59 files changed, 487 insertions, 273 deletions

diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h
index 4c761dcea972..05c01ea85294 100644
--- a/drivers/gpu/drm/ast/ast_tables.h
+++ b/drivers/gpu/drm/ast/ast_tables.h
@@ -99,6 +99,7 @@ static struct ast_vbios_dclk_info dclk_table[] = {
         {0x25, 0x65, 0x80},                                     /* 16: VCLK88.75    */
         {0x77, 0x58, 0x80},                                     /* 17: VCLK119      */
         {0x32, 0x67, 0x80},                                 /* 18: VCLK85_5     */
+        {0x6a, 0x6d, 0x80},                                     /* 19: VCLK97_75        */
 };
 
 static struct ast_vbios_stdtable vbios_stdtable[] = {
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index fa2be249999c..90e773019eac 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -4696,8 +4696,9 @@ int drm_mode_create_dumb_ioctl(struct drm_device *dev,
                 return -EINVAL;
 
         /* overflow checks for 32bit size calculations */
+        /* NOTE: DIV_ROUND_UP() can overflow */
         cpp = DIV_ROUND_UP(args->bpp, 8);
-        if (cpp > 0xffffffffU / args->width)
+        if (!cpp || cpp > 0xffffffffU / args->width)
                 return -EINVAL;
         stride = cpp * args->width;
         if (args->height > 0xffffffffU / stride)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ec96f9a9724c..e27cdbe9d524 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -494,6 +494,36 @@ bool i915_semaphore_is_enabled(struct drm_device *dev)
         return true;
 }
 
+void intel_hpd_cancel_work(struct drm_i915_private *dev_priv)
+{
+        spin_lock_irq(&dev_priv->irq_lock);
+
+        dev_priv->long_hpd_port_mask = 0;
+        dev_priv->short_hpd_port_mask = 0;
+        dev_priv->hpd_event_bits = 0;
+
+        spin_unlock_irq(&dev_priv->irq_lock);
+
+        cancel_work_sync(&dev_priv->dig_port_work);
+        cancel_work_sync(&dev_priv->hotplug_work);
+        cancel_delayed_work_sync(&dev_priv->hotplug_reenable_work);
+}
+
+static void intel_suspend_encoders(struct drm_i915_private *dev_priv)
+{
+        struct drm_device *dev = dev_priv->dev;
+        struct drm_encoder *encoder;
+
+        drm_modeset_lock_all(dev);
+        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+                struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
+
+                if (intel_encoder->suspend)
+                        intel_encoder->suspend(intel_encoder);
+        }
+        drm_modeset_unlock_all(dev);
+}
+
 static int i915_drm_freeze(struct drm_device *dev)
 {
         struct drm_i915_private *dev_priv = dev->dev_private;
@@ -538,6 +568,9 @@ static int i915_drm_freeze(struct drm_device *dev)
                 flush_delayed_work(&dev_priv->rps.delayed_resume_work);
 
                 intel_runtime_pm_disable_interrupts(dev);
+                intel_hpd_cancel_work(dev_priv);
+
+                intel_suspend_encoders(dev_priv);
 
                 intel_suspend_gt_powersave(dev);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4412f6a4383b..7a830eac5ba3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1458,7 +1458,7 @@ struct drm_i915_private {
                 } hpd_mark;
         } hpd_stats[HPD_NUM_PINS];
         u32 hpd_event_bits;
-        struct timer_list hotplug_reenable_timer;
+        struct delayed_work hotplug_reenable_work;
 
         struct i915_fbc fbc;
         struct i915_drrs drrs;
@@ -2178,6 +2178,7 @@ extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv);
 extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);
 extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
 int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on);
+void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
 
 extern void intel_console_resume(struct work_struct *work);
 
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 390ccc2a3096..0050ee9470f1 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1189,8 +1189,8 @@ static void i915_hotplug_work_func(struct work_struct *work)
           * some connectors */
         if (hpd_disabled) {
                 drm_kms_helper_poll_enable(dev);
-                mod_timer(&dev_priv->hotplug_reenable_timer,
-                          jiffies + msecs_to_jiffies(I915_REENABLE_HOTPLUG_DELAY));
+                mod_delayed_work(system_wq, &dev_priv->hotplug_reenable_work,
+                                 msecs_to_jiffies(I915_REENABLE_HOTPLUG_DELAY));
         }
 
         spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
@@ -1213,11 +1213,6 @@ static void i915_hotplug_work_func(struct work_struct *work)
                 drm_kms_helper_hotplug_event(dev);
 }
 
-static void intel_hpd_irq_uninstall(struct drm_i915_private *dev_priv)
-{
-        del_timer_sync(&dev_priv->hotplug_reenable_timer);
-}
-
 static void ironlake_rps_change_irq_handler(struct drm_device *dev)
 {
         struct drm_i915_private *dev_priv = dev->dev_private;
@@ -3892,8 +3887,6 @@ static void gen8_irq_uninstall(struct drm_device *dev)
         if (!dev_priv)
                 return;
 
-        intel_hpd_irq_uninstall(dev_priv);
-
         gen8_irq_reset(dev);
 }
 
@@ -3908,8 +3901,6 @@ static void valleyview_irq_uninstall(struct drm_device *dev)
 
         I915_WRITE(VLV_MASTER_IER, 0);
 
-        intel_hpd_irq_uninstall(dev_priv);
-
         for_each_pipe(pipe)
                 I915_WRITE(PIPESTAT(pipe), 0xffff);
 
@@ -3988,8 +3979,6 @@ static void ironlake_irq_uninstall(struct drm_device *dev)
         if (!dev_priv)
                 return;
 
-        intel_hpd_irq_uninstall(dev_priv);
-
         ironlake_irq_reset(dev);
 }
 
@@ -4360,8 +4349,6 @@ static void i915_irq_uninstall(struct drm_device * dev)
         struct drm_i915_private *dev_priv = dev->dev_private;
         int pipe;
 
-        intel_hpd_irq_uninstall(dev_priv);
-
         if (I915_HAS_HOTPLUG(dev)) {
                 I915_WRITE(PORT_HOTPLUG_EN, 0);
                 I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
@@ -4598,8 +4585,6 @@ static void i965_irq_uninstall(struct drm_device * dev)
         if (!dev_priv)
                 return;
 
-        intel_hpd_irq_uninstall(dev_priv);
-
         I915_WRITE(PORT_HOTPLUG_EN, 0);
         I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
 
@@ -4615,14 +4600,18 @@ static void i965_irq_uninstall(struct drm_device * dev)
         I915_WRITE(IIR, I915_READ(IIR));
 }
 
-static void intel_hpd_irq_reenable(unsigned long data)
+static void intel_hpd_irq_reenable(struct work_struct *work)
 {
-        struct drm_i915_private *dev_priv = (struct drm_i915_private *)data;
+        struct drm_i915_private *dev_priv =
+                container_of(work, typeof(*dev_priv),
+                             hotplug_reenable_work.work);
         struct drm_device *dev = dev_priv->dev;
         struct drm_mode_config *mode_config = &dev->mode_config;
         unsigned long irqflags;
         int i;
 
+        intel_runtime_pm_get(dev_priv);
+
         spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
         for (i = (HPD_NONE + 1); i < HPD_NUM_PINS; i++) {
                 struct drm_connector *connector;
@@ -4648,6 +4637,8 @@ static void intel_hpd_irq_reenable(unsigned long data)
         if (dev_priv->display.hpd_irq_setup)
                 dev_priv->display.hpd_irq_setup(dev);
         spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+
+        intel_runtime_pm_put(dev_priv);
 }
 
 void intel_irq_init(struct drm_device *dev)
@@ -4670,8 +4661,8 @@ void intel_irq_init(struct drm_device *dev)
         setup_timer(&dev_priv->gpu_error.hangcheck_timer,
                     i915_hangcheck_elapsed,
                     (unsigned long) dev);
-        setup_timer(&dev_priv->hotplug_reenable_timer, intel_hpd_irq_reenable,
-                    (unsigned long) dev_priv);
+        INIT_DELAYED_WORK(&dev_priv->hotplug_reenable_work,
+                          intel_hpd_irq_reenable);
 
         pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE);
 
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index a66955037e4e..eee79e1c3222 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1123,7 +1123,7 @@ init_vbt_defaults(struct drm_i915_private *dev_priv)
         }
 }
 
-static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
+static int intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
 {
         DRM_DEBUG_KMS("Falling back to manually reading VBT from "
                       "VBIOS ROM for %s\n",
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 2efaf8e8d9c4..9212e6504e0f 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -699,16 +699,21 @@ intel_crt_detect(struct drm_connector *connector, bool force)
                 goto out;
         }
 
+        drm_modeset_acquire_init(&ctx, 0);
+
         /* for pre-945g platforms use load detect */
         if (intel_get_load_detect_pipe(connector, NULL, &tmp, &ctx)) {
                 if (intel_crt_detect_ddc(connector))
                         status = connector_status_connected;
                 else
                         status = intel_crt_load_detect(crt);
-                intel_release_load_detect_pipe(connector, &tmp, &ctx);
+                intel_release_load_detect_pipe(connector, &tmp);
         } else
                 status = connector_status_unknown;
 
+        drm_modeset_drop_locks(&ctx);
+        drm_modeset_acquire_fini(&ctx);
+
 out:
         intel_display_power_put(dev_priv, power_domain);
         return status;
@@ -799,7 +804,7 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = {
         .destroy = intel_encoder_destroy,
 };
 
-static int __init intel_no_crt_dmi_callback(const struct dmi_system_id *id)
+static int intel_no_crt_dmi_callback(const struct dmi_system_id *id)
 {
         DRM_INFO("Skipping CRT initialization for %s\n", id->ident);
         return 1;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 018fb7222f60..d8324c69fa86 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2233,6 +2233,15 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev,
         if (need_vtd_wa(dev) && alignment < 256 * 1024)
                 alignment = 256 * 1024;
 
+        /*
+         * Global gtt pte registers are special registers which actually forward
+         * writes to a chunk of system memory. Which means that there is no risk
+         * that the register values disappear as soon as we call
+         * intel_runtime_pm_put(), so it is correct to wrap only the
+         * pin/unpin/fence and not more.
+         */
+        intel_runtime_pm_get(dev_priv);
+
         dev_priv->mm.interruptible = false;
         ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined);
         if (ret)
@@ -2250,12 +2259,14 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev,
         i915_gem_object_pin_fence(obj);
 
         dev_priv->mm.interruptible = true;
+        intel_runtime_pm_put(dev_priv);
         return 0;
 
 err_unpin:
         i915_gem_object_unpin_from_display_plane(obj);
 err_interruptible:
         dev_priv->mm.interruptible = true;
+        intel_runtime_pm_put(dev_priv);
         return ret;
 }
 
@@ -4188,10 +4199,6 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
                 intel_set_pch_fifo_underrun_reporting(dev, pipe, false);
 
         intel_disable_pipe(dev_priv, pipe);
-
-        if (intel_crtc->config.dp_encoder_is_mst)
-                intel_ddi_set_vc_payload_alloc(crtc, false);
-
         ironlake_pfit_disable(intel_crtc);
 
         for_each_encoder_on_crtc(dev, crtc, encoder)
@@ -4256,6 +4263,9 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
                 intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, false);
         intel_disable_pipe(dev_priv, pipe);
 
+        if (intel_crtc->config.dp_encoder_is_mst)
+                intel_ddi_set_vc_payload_alloc(crtc, false);
+
         intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
 
         ironlake_pfit_disable(intel_crtc);
@@ -8240,6 +8250,15 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc,
                         goto fail_locked;
                 }
 
+                /*
+                 * Global gtt pte registers are special registers which actually
+                 * forward writes to a chunk of system memory. Which means that
+                 * there is no risk that the register values disappear as soon
+                 * as we call intel_runtime_pm_put(), so it is correct to wrap
+                 * only the pin/unpin/fence and not more.
+                 */
+                intel_runtime_pm_get(dev_priv);
+
                 /* Note that the w/a also requires 2 PTE of padding following
                  * the bo. We currently fill all unused PTE with the shadow
                  * page and so we should always have valid PTE following the
@@ -8252,16 +8271,20 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc,
                 ret = i915_gem_object_pin_to_display_plane(obj, alignment, NULL);
                 if (ret) {
                         DRM_DEBUG_KMS("failed to move cursor bo into the GTT\n");
+                        intel_runtime_pm_put(dev_priv);
                         goto fail_locked;
                 }
 
                 ret = i915_gem_object_put_fence(obj);
                 if (ret) {
                         DRM_DEBUG_KMS("failed to release fence for cursor");
+                        intel_runtime_pm_put(dev_priv);
                         goto fail_unpin;
                 }
 
                 addr = i915_gem_obj_ggtt_offset(obj);
+
+                intel_runtime_pm_put(dev_priv);
         } else {
                 int align = IS_I830(dev) ? 16 * 1024 : 256;
                 ret = i915_gem_object_attach_phys(obj, align);
@@ -8462,8 +8485,6 @@ bool intel_get_load_detect_pipe(struct drm_connector *connector,
                       connector->base.id, connector->name,
                       encoder->base.id, encoder->name);
 
-        drm_modeset_acquire_init(ctx, 0);
-
 retry:
         ret = drm_modeset_lock(&config->connection_mutex, ctx);
         if (ret)
@@ -8502,10 +8523,14 @@ retry:
                 i++;
                 if (!(encoder->possible_crtcs & (1 << i)))
                         continue;
-                if (!possible_crtc->enabled) {
-                        crtc = possible_crtc;
-                        break;
-                }
+                if (possible_crtc->enabled)
+                        continue;
+                /* This can occur when applying the pipe A quirk on resume. */
+                if (to_intel_crtc(possible_crtc)->new_enabled)
+                        continue;
+
+                crtc = possible_crtc;
+                break;
         }
 
         /*
@@ -8574,15 +8599,11 @@ fail_unlock:
                 goto retry;
         }
 
-        drm_modeset_drop_locks(ctx);
-        drm_modeset_acquire_fini(ctx);
-
         return false;
 }
 
 void intel_release_load_detect_pipe(struct drm_connector *connector,
-                                    struct intel_load_detect_pipe *old,
-                                    struct drm_modeset_acquire_ctx *ctx)
+                                    struct intel_load_detect_pipe *old)
 {
         struct intel_encoder *intel_encoder =
                 intel_attached_encoder(connector);
@@ -8606,17 +8627,12 @@ void intel_release_load_detect_pipe(struct drm_connector *connector,
                         drm_framebuffer_unreference(old->release_fb);
                 }
 
-                goto unlock;
                 return;
         }
 
         /* Switch crtc and encoder back off if necessary */
         if (old->dpms_mode != DRM_MODE_DPMS_ON)
                 connector->funcs->dpms(connector, old->dpms_mode);
-
-unlock:
-        drm_modeset_drop_locks(ctx);
-        drm_modeset_acquire_fini(ctx);
 }
 
 static int i9xx_pll_refclk(struct drm_device *dev,
@@ -11700,8 +11716,8 @@ intel_cursor_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
         };
         const struct drm_rect clip = {
                 /* integer pixels */
-                .x2 = intel_crtc->config.pipe_src_w,
-                .y2 = intel_crtc->config.pipe_src_h,
+                .x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0,
+                .y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0,
         };
         bool visible;
         int ret;
@@ -12488,6 +12504,9 @@ static struct intel_quirk intel_quirks[] = {
         /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */
         { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present },
 
+        /* Acer C720 Chromebook (Core i3 4005U) */
+        { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
+
         /* Toshiba CB35 Chromebook (Celeron 2955U) */
         { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
 
@@ -12659,7 +12678,7 @@ static void intel_enable_pipe_a(struct drm_device *dev)
         struct intel_connector *connector;
         struct drm_connector *crt = NULL;
         struct intel_load_detect_pipe load_detect_temp;
-        struct drm_modeset_acquire_ctx ctx;
+        struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx;
 
         /* We can't just switch on the pipe A, we need to set things up with a
          * proper mode and output configuration. As a gross hack, enable pipe A
@@ -12676,10 +12695,8 @@ static void intel_enable_pipe_a(struct drm_device *dev)
         if (!crt)
                 return;
 
-        if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, &ctx))
-                intel_release_load_detect_pipe(crt, &load_detect_temp, &ctx);
-
-
+        if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx))
+                intel_release_load_detect_pipe(crt, &load_detect_temp);
 }
 
 static bool
@@ -13112,7 +13129,7 @@ void intel_modeset_cleanup(struct drm_device *dev)
          * experience fancy races otherwise.
          */
         drm_irq_uninstall(dev);
-        cancel_work_sync(&dev_priv->hotplug_work);
+        intel_hpd_cancel_work(dev_priv);
         dev_priv->pm._irqs_disabled = true;
 
         /*
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index ee3942f0b068..81d7681faa63 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -3553,6 +3553,9 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
         if (WARN_ON(!intel_encoder->base.crtc))
                 return;
 
+        if (!to_intel_crtc(intel_encoder->base.crtc)->active)
+                return;
+
         /* Try to read receiver status if the link appears to be up */
         if (!intel_dp_get_link_status(intel_dp, link_status)) {
                 return;
@@ -3658,24 +3661,12 @@ ironlake_dp_detect(struct intel_dp *intel_dp)
         return intel_dp_detect_dpcd(intel_dp);
 }
 
-static enum drm_connector_status
-g4x_dp_detect(struct intel_dp *intel_dp)
+static int g4x_digital_port_connected(struct drm_device *dev,
+                                       struct intel_digital_port *intel_dig_port)
 {
-        struct drm_device *dev = intel_dp_to_dev(intel_dp);
         struct drm_i915_private *dev_priv = dev->dev_private;
-        struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
         uint32_t bit;
 
-        /* Can't disconnect eDP, but you can close the lid... */
-        if (is_edp(intel_dp)) {
-                enum drm_connector_status status;
-
-                status = intel_panel_detect(dev);
-                if (status == connector_status_unknown)
-                        status = connector_status_connected;
-                return status;
-        }
-
         if (IS_VALLEYVIEW(dev)) {
                 switch (intel_dig_port->port) {
                 case PORT_B:
@@ -3688,7 +3679,7 @@ g4x_dp_detect(struct intel_dp *intel_dp)
                         bit = PORTD_HOTPLUG_LIVE_STATUS_VLV;
                         break;
                 default:
-                        return connector_status_unknown;
+                        return -EINVAL;
                 }
         } else {
                 switch (intel_dig_port->port) {
@@ -3702,11 +3693,36 @@ g4x_dp_detect(struct intel_dp *intel_dp)
                         bit = PORTD_HOTPLUG_LIVE_STATUS_G4X;
                         break;
                 default:
-                        return connector_status_unknown;
+                        return -EINVAL;
                 }
         }
 
         if ((I915_READ(PORT_HOTPLUG_STAT) & bit) == 0)
+                return 0;
+        return 1;
+}
+
+static enum drm_connector_status
+g4x_dp_detect(struct intel_dp *intel_dp)
+{
+        struct drm_device *dev = intel_dp_to_dev(intel_dp);
+        struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
+        int ret;
+
+        /* Can't disconnect eDP, but you can close the lid... */
+        if (is_edp(intel_dp)) {
+                enum drm_connector_status status;
+
+                status = intel_panel_detect(dev);
+                if (status == connector_status_unknown)
+                        status = connector_status_connected;
+                return status;
+        }
+
+        ret = g4x_digital_port_connected(dev, intel_dig_port);
+        if (ret == -EINVAL)
+                return connector_status_unknown;
+        else if (ret == 0)
                 return connector_status_disconnected;
 
         return intel_dp_detect_dpcd(intel_dp);
@@ -4003,6 +4019,16 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder)
         kfree(intel_dig_port);
 }
 
+static void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder)
+{
+        struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
+
+        if (!is_edp(intel_dp))
+                return;
+
+        edp_panel_vdd_off_sync(intel_dp);
+}
+
 static void intel_dp_encoder_reset(struct drm_encoder *encoder)
 {
         intel_edp_panel_vdd_sanitize(to_intel_encoder(encoder));
@@ -4037,18 +4063,30 @@ bool
 intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
 {
         struct intel_dp *intel_dp = &intel_dig_port->dp;
+        struct intel_encoder *intel_encoder = &intel_dig_port->base;
         struct drm_device *dev = intel_dig_port->base.base.dev;
         struct drm_i915_private *dev_priv = dev->dev_private;
-        int ret;
+        enum intel_display_power_domain power_domain;
+        bool ret = true;
+
         if (intel_dig_port->base.type != INTEL_OUTPUT_EDP)
                 intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT;
 
         DRM_DEBUG_KMS("got hpd irq on port %d - %s\n", intel_dig_port->port,
                       long_hpd ? "long" : "short");
 
+        power_domain = intel_display_port_power_domain(intel_encoder);
+        intel_display_power_get(dev_priv, power_domain);
+
         if (long_hpd) {
-                if (!ibx_digital_port_connected(dev_priv, intel_dig_port))
-                        goto mst_fail;
+
+                if (HAS_PCH_SPLIT(dev)) {
+                        if (!ibx_digital_port_connected(dev_priv, intel_dig_port))
+                                goto mst_fail;
+                } else {
+                        if (g4x_digital_port_connected(dev, intel_dig_port) != 1)
+                                goto mst_fail;
+                }
 
                 if (!intel_dp_get_dpcd(intel_dp)) {
                         goto mst_fail;
@@ -4061,8 +4099,7 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
 
         } else {
                 if (intel_dp->is_mst) {
-                        ret = intel_dp_check_mst_status(intel_dp);
-                        if (ret == -EINVAL)
+                        if (intel_dp_check_mst_status(intel_dp) == -EINVAL)
                                 goto mst_fail;
                 }
 
@@ -4076,7 +4113,8 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
                         drm_modeset_unlock(&dev->mode_config.connection_mutex);
                 }
         }
-        return false;
+        ret = false;
+        goto put_power;
 mst_fail:
         /* if we were in MST mode, and device is not there get out of MST mode */
         if (intel_dp->is_mst) {
@@ -4084,7 +4122,10 @@ mst_fail:
                 intel_dp->is_mst = false;
                 drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst);
         }
-        return true;
+put_power:
+        intel_display_power_put(dev_priv, power_domain);
+
+        return ret;
 }
 
 /* Return which DP Port should be selected for Transcoder DP control */
@@ -4722,6 +4763,7 @@ intel_dp_init(struct drm_device *dev, int output_reg, enum port port)
         intel_encoder->disable = intel_disable_dp;
         intel_encoder->get_hw_state = intel_dp_get_hw_state;
         intel_encoder->get_config = intel_dp_get_config;
+        intel_encoder->suspend = intel_dp_encoder_suspend;
         if (IS_CHERRYVIEW(dev)) {
                 intel_encoder->pre_pll_enable = chv_dp_pre_pll_enable;
                 intel_encoder->pre_enable = chv_pre_enable_dp;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 4b2664bd5b81..b8c8bbd8e5f9 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -153,6 +153,12 @@ struct intel_encoder {
          * be set correctly before calling this function. */
         void (*get_config)(struct intel_encoder *,
                            struct intel_crtc_config *pipe_config);
+        /*
+         * Called during system suspend after all pending requests for the
+         * encoder are flushed (for example for DP AUX transactions) and
+         * device interrupts are disabled.
+         */
+        void (*suspend)(struct intel_encoder *);
         int crtc_mask;
         enum hpd_pin hpd_pin;
 };
@@ -830,8 +836,7 @@ bool intel_get_load_detect_pipe(struct drm_connector *connector,
                                 struct intel_load_detect_pipe *old,
                                 struct drm_modeset_acquire_ctx *ctx);
 void intel_release_load_detect_pipe(struct drm_connector *connector,
-                                    struct intel_load_detect_pipe *old,
-                                    struct drm_modeset_acquire_ctx *ctx);
+                                    struct intel_load_detect_pipe *old);
 int intel_pin_and_fence_fb_obj(struct drm_device *dev,
                                struct drm_i915_gem_object *obj,
                                struct intel_engine_cs *pipelined);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 881361c0f27e..fdf40267249c 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -538,7 +538,7 @@ static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
         .destroy = intel_encoder_destroy,
 };
 
-static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
+static int intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
 {
         DRM_INFO("Skipping LVDS initialization for %s\n", id->ident);
         return 1;
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 59b028f0b1e8..8e374449c6b5 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -801,7 +801,7 @@ static void pch_enable_backlight(struct intel_connector *connector)
 
         cpu_ctl2 = I915_READ(BLC_PWM_CPU_CTL2);
         if (cpu_ctl2 & BLM_PWM_ENABLE) {
-                WARN(1, "cpu backlight already enabled\n");
+                DRM_DEBUG_KMS("cpu backlight already enabled\n");
                 cpu_ctl2 &= ~BLM_PWM_ENABLE;
                 I915_WRITE(BLC_PWM_CPU_CTL2, cpu_ctl2);
         }
@@ -845,7 +845,7 @@ static void i9xx_enable_backlight(struct intel_connector *connector)
 
         ctl = I915_READ(BLC_PWM_CTL);
         if (ctl & BACKLIGHT_DUTY_CYCLE_MASK_PNV) {
-                WARN(1, "backlight already enabled\n");
+                DRM_DEBUG_KMS("backlight already enabled\n");
                 I915_WRITE(BLC_PWM_CTL, 0);
         }
 
@@ -876,7 +876,7 @@ static void i965_enable_backlight(struct intel_connector *connector)
 
         ctl2 = I915_READ(BLC_PWM_CTL2);
         if (ctl2 & BLM_PWM_ENABLE) {
-                WARN(1, "backlight already enabled\n");
+                DRM_DEBUG_KMS("backlight already enabled\n");
                 ctl2 &= ~BLM_PWM_ENABLE;
                 I915_WRITE(BLC_PWM_CTL2, ctl2);
         }
@@ -910,7 +910,7 @@ static void vlv_enable_backlight(struct intel_connector *connector)
 
         ctl2 = I915_READ(VLV_BLC_PWM_CTL2(pipe));
         if (ctl2 & BLM_PWM_ENABLE) {
-                WARN(1, "backlight already enabled\n");
+                DRM_DEBUG_KMS("backlight already enabled\n");
                 ctl2 &= ~BLM_PWM_ENABLE;
                 I915_WRITE(VLV_BLC_PWM_CTL2(pipe), ctl2);
         }
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index e211eef4b7e4..c69d3ce1b3d6 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1311,6 +1311,7 @@ intel_tv_detect(struct drm_connector *connector, bool force)
 {
         struct drm_display_mode mode;
         struct intel_tv *intel_tv = intel_attached_tv(connector);
+        enum drm_connector_status status;
         int type;
 
         DRM_DEBUG_KMS("[CONNECTOR:%d:%s] force=%d\n",
@@ -1323,16 +1324,24 @@ intel_tv_detect(struct drm_connector *connector, bool force)
                 struct intel_load_detect_pipe tmp;
                 struct drm_modeset_acquire_ctx ctx;
 
+                drm_modeset_acquire_init(&ctx, 0);
+
                 if (intel_get_load_detect_pipe(connector, &mode, &tmp, &ctx)) {
                         type = intel_tv_detect_type(intel_tv, connector);
-                        intel_release_load_detect_pipe(connector, &tmp, &ctx);
+                        intel_release_load_detect_pipe(connector, &tmp);
+                        status = type < 0 ?
+                                connector_status_disconnected :
+                                connector_status_connected;
                 } else
-                        return connector_status_unknown;
+                        status = connector_status_unknown;
+
+                drm_modeset_drop_locks(&ctx);
+                drm_modeset_acquire_fini(&ctx);
         } else
                 return connector->status;
 
-        if (type < 0)
-                return connector_status_disconnected;
+        if (status != connector_status_connected)
+                return status;
 
         intel_tv->type = type;
         intel_tv_find_better_format(connector);
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c
index 74cebb51e8c2..c6c80ea28c35 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c
@@ -397,6 +397,7 @@ static void mdp4_crtc_prepare(struct drm_crtc *crtc)
         struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
         DBG("%s", mdp4_crtc->name);
         /* make sure we hold a ref to mdp clks while setting up mode: */
+        drm_crtc_vblank_get(crtc);
         mdp4_enable(get_kms(crtc));
         mdp4_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 }
@@ -407,6 +408,7 @@ static void mdp4_crtc_commit(struct drm_crtc *crtc)
         crtc_flush(crtc);
         /* drop the ref to mdp clk's that we got in prepare: */
         mdp4_disable(get_kms(crtc));
+        drm_crtc_vblank_put(crtc);
 }
 
 static int mdp4_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index b447c01ad89c..26ee80db17af 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -974,12 +974,11 @@ static int msm_pdev_probe(struct platform_device *pdev)
 
         for (i = 0; i < ARRAY_SIZE(devnames); i++) {
                 struct device *dev;
-                int ret;
 
                 dev = bus_find_device_by_name(&platform_bus_type,
                                 NULL, devnames[i]);
                 if (!dev) {
-                        dev_info(master, "still waiting for %s\n", devnames[i]);
+                        dev_info(&pdev->dev, "still waiting for %s\n", devnames[i]);
                         return -EPROBE_DEFER;
                 }
 
diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c
index 9c5221ce391a..ab5bfd2d0ebf 100644
--- a/drivers/gpu/drm/msm/msm_fbdev.c
+++ b/drivers/gpu/drm/msm/msm_fbdev.c
@@ -143,7 +143,7 @@ static int msm_fbdev_create(struct drm_fb_helper *helper,
         ret = msm_gem_get_iova_locked(fbdev->bo, 0, &paddr);
         if (ret) {
                 dev_err(dev->dev, "failed to get buffer obj iova: %d\n", ret);
-                goto fail;
+                goto fail_unlock;
         }
 
         fbi = framebuffer_alloc(0, dev->dev);
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 099af483fdf0..7acdaa5688b7 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -27,8 +27,8 @@ struct msm_iommu {
 static int msm_fault_handler(struct iommu_domain *iommu, struct device *dev,
                 unsigned long iova, int flags, void *arg)
 {
-        DBG("*** fault: iova=%08lx, flags=%d", iova, flags);
-        return -ENOSYS;
+        pr_warn_ratelimited("*** fault: iova=%08lx, flags=%d\n", iova, flags);
+        return 0;
 }
 
 static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
diff --git a/drivers/gpu/drm/nouveau/core/core/parent.c b/drivers/gpu/drm/nouveau/core/core/parent.c
index 8701968a9743..30a2911878f8 100644
--- a/drivers/gpu/drm/nouveau/core/core/parent.c
+++ b/drivers/gpu/drm/nouveau/core/core/parent.c
@@ -86,7 +86,7 @@ nouveau_parent_lclass(struct nouveau_object *parent, u32 *lclass, int size)
         sclass = nv_parent(parent)->sclass;
         while (sclass) {
                 if (++nr < size)
-                        lclass[nr] = sclass->oclass->handle;
+                        lclass[nr] = sclass->oclass->handle & 0xffff;
                 sclass = sclass->sclass;
         }
 
@@ -96,7 +96,7 @@ nouveau_parent_lclass(struct nouveau_object *parent, u32 *lclass, int size)
                 if (engine && (oclass = engine->sclass)) {
                         while (oclass->ofuncs) {
                                 if (++nr < size)
-                                        lclass[nr] = oclass->handle;
+                                        lclass[nr] = oclass->handle & 0xffff;
                                 oclass++;
                         }
                 }
diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
index 0013ad0db9ef..f77b7135ee4c 100644
--- a/drivers/gpu/drm/radeon/Makefile
+++ b/drivers/gpu/drm/radeon/Makefile
@@ -76,7 +76,7 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \
         evergreen.o evergreen_cs.o evergreen_blit_shaders.o \
         evergreen_hdmi.o radeon_trace_points.o ni.o cayman_blit_shaders.o \
         atombios_encoders.o radeon_semaphore.o radeon_sa.o atombios_i2c.o si.o \
-        si_blit_shaders.o radeon_prime.o radeon_uvd.o cik.o cik_blit_shaders.o \
+        si_blit_shaders.o radeon_prime.o cik.o cik_blit_shaders.o \
         r600_dpm.o rs780_dpm.o rv6xx_dpm.o rv770_dpm.o rv730_dpm.o rv740_dpm.o \
         rv770_smc.o cypress_dpm.o btc_dpm.o sumo_dpm.o sumo_smc.o trinity_dpm.o \
         trinity_smc.o ni_dpm.o si_smc.o si_dpm.o kv_smc.o kv_dpm.o ci_smc.o \
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 022561e28707..d416bb2ff48d 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -869,6 +869,9 @@ static int ci_set_thermal_temperature_range(struct radeon_device *rdev,
         WREG32_SMC(CG_THERMAL_CTRL, tmp);
 #endif
 
+        rdev->pm.dpm.thermal.min_temp = low_temp;
+        rdev->pm.dpm.thermal.max_temp = high_temp;
+
         return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index b625646bf3e2..fa9565957f9d 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3483,7 +3483,7 @@ static void cik_gpu_init(struct radeon_device *rdev)
         u32 mc_shared_chmap, mc_arb_ramcfg;
         u32 hdp_host_path_cntl;
         u32 tmp;
-        int i, j, k;
+        int i, j;
 
         switch (rdev->family) {
         case CHIP_BONAIRE:
@@ -3544,6 +3544,7 @@ static void cik_gpu_init(struct radeon_device *rdev)
                            (rdev->pdev->device == 0x130B) ||
                            (rdev->pdev->device == 0x130E) ||
                            (rdev->pdev->device == 0x1315) ||
+                           (rdev->pdev->device == 0x1318) ||
                            (rdev->pdev->device == 0x131B)) {
                         rdev->config.cik.max_cu_per_sh = 4;
                         rdev->config.cik.max_backends_per_se = 1;
@@ -3672,12 +3673,11 @@ static void cik_gpu_init(struct radeon_device *rdev)
                      rdev->config.cik.max_sh_per_se,
                      rdev->config.cik.max_backends_per_se);
 
+        rdev->config.cik.active_cus = 0;
         for (i = 0; i < rdev->config.cik.max_shader_engines; i++) {
                 for (j = 0; j < rdev->config.cik.max_sh_per_se; j++) {
-                        for (k = 0; k < rdev->config.cik.max_cu_per_sh; k++) {
-                                rdev->config.cik.active_cus +=
-                                        hweight32(cik_get_cu_active_bitmap(rdev, i, j));
-                        }
+                        rdev->config.cik.active_cus +=
+                                hweight32(cik_get_cu_active_bitmap(rdev, i, j));
                 }
         }
 
@@ -3801,7 +3801,7 @@ int cik_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
         radeon_ring_write(ring, PACKET3(PACKET3_SET_UCONFIG_REG, 1));
         radeon_ring_write(ring, ((scratch - PACKET3_SET_UCONFIG_REG_START) >> 2));
         radeon_ring_write(ring, 0xDEADBEEF);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         for (i = 0; i < rdev->usec_timeout; i++) {
                 tmp = RREG32(scratch);
@@ -3920,6 +3920,17 @@ void cik_fence_compute_ring_emit(struct radeon_device *rdev,
         radeon_ring_write(ring, 0);
 }
 
+/**
+ * cik_semaphore_ring_emit - emit a semaphore on the CP ring
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon ring buffer object
+ * @semaphore: radeon semaphore object
+ * @emit_wait: Is this a sempahore wait?
+ *
+ * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP
+ * from running ahead of semaphore waits.
+ */
 bool cik_semaphore_ring_emit(struct radeon_device *rdev,
                              struct radeon_ring *ring,
                              struct radeon_semaphore *semaphore,
@@ -3932,6 +3943,12 @@ bool cik_semaphore_ring_emit(struct radeon_device *rdev,
         radeon_ring_write(ring, lower_32_bits(addr));
         radeon_ring_write(ring, (upper_32_bits(addr) & 0xffff) | sel);
 
+        if (emit_wait && ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
+                /* Prevent the PFP from running ahead of the semaphore wait */
+                radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
+                radeon_ring_write(ring, 0x0);
+        }
+
         return true;
 }
 
@@ -4004,7 +4021,7 @@ int cik_copy_cpdma(struct radeon_device *rdev,
                 return r;
         }
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         radeon_semaphore_free(rdev, &sem, *fence);
 
         return r;
@@ -4103,7 +4120,7 @@ int cik_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
         ib.ptr[1] = ((scratch - PACKET3_SET_UCONFIG_REG_START) >> 2);
         ib.ptr[2] = 0xDEADBEEF;
         ib.length_dw = 3;
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r) {
                 radeon_scratch_free(rdev, scratch);
                 radeon_ib_free(rdev, &ib);
@@ -4324,7 +4341,7 @@ static int cik_cp_gfx_start(struct radeon_device *rdev)
         radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
         radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         return 0;
 }
@@ -5732,20 +5749,17 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
         WREG32(0x15D8, 0);
         WREG32(0x15DC, 0);
 
-        /* empty context1-15 */
-        /* FIXME start with 4G, once using 2 level pt switch to full
-         * vm size space
-         */
+        /* restore context1-15 */
         /* set vm size, must be a multiple of 4 */
         WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
         WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
         for (i = 1; i < 16; i++) {
                 if (i < 8)
                         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
-                               rdev->gart.table_addr >> 12);
+                               rdev->vm_manager.saved_table_addr[i]);
                 else
                         WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
-                               rdev->gart.table_addr >> 12);
+                               rdev->vm_manager.saved_table_addr[i]);
         }
 
         /* enable context1-15 */
@@ -5810,6 +5824,17 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
  */
 static void cik_pcie_gart_disable(struct radeon_device *rdev)
 {
+        unsigned i;
+
+        for (i = 1; i < 16; ++i) {
+                uint32_t reg;
+                if (i < 8)
+                        reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2);
+                else
+                        reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2);
+                rdev->vm_manager.saved_table_addr[i] = RREG32(reg);
+        }
+
         /* Disable all tables */
         WREG32(VM_CONTEXT0_CNTL, 0);
         WREG32(VM_CONTEXT1_CNTL, 0);
@@ -5958,14 +5983,14 @@ void cik_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
 
         /* update SH_MEM_* regs */
         radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
+        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
                                  WRITE_DATA_DST_SEL(0)));
         radeon_ring_write(ring, SRBM_GFX_CNTL >> 2);
         radeon_ring_write(ring, 0);
         radeon_ring_write(ring, VMID(vm->id));
 
         radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 6));
-        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
+        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
                                  WRITE_DATA_DST_SEL(0)));
         radeon_ring_write(ring, SH_MEM_BASES >> 2);
         radeon_ring_write(ring, 0);
@@ -5976,7 +6001,7 @@ void cik_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
         radeon_ring_write(ring, 0); /* SH_MEM_APE1_LIMIT */
 
         radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
+        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
                                  WRITE_DATA_DST_SEL(0)));
         radeon_ring_write(ring, SRBM_GFX_CNTL >> 2);
         radeon_ring_write(ring, 0);
@@ -5987,7 +6012,7 @@ void cik_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
 
         /* bits 0-15 are the VM contexts0-15 */
         radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
+        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
                                  WRITE_DATA_DST_SEL(0)));
         radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
         radeon_ring_write(ring, 0);
@@ -9538,6 +9563,9 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev)
         int ret, i;
         u16 tmp16;
 
+        if (pci_is_root_bus(rdev->pdev->bus))
+                return;
+
         if (radeon_pcie_gen2 == 0)
                 return;
 
@@ -9764,7 +9792,8 @@ static void cik_program_aspm(struct radeon_device *rdev)
                         if (orig != data)
                                 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
 
-                        if (!disable_clkreq) {
+                        if (!disable_clkreq &&
+                            !pci_is_root_bus(rdev->pdev->bus)) {
                                 struct pci_dev *root = rdev->pdev->bus->self;
                                 u32 lnkcap;
 
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index bcf480510ac2..192278bc993c 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -596,7 +596,7 @@ int cik_copy_dma(struct radeon_device *rdev,
                 return r;
         }
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         radeon_semaphore_free(rdev, &sem, *fence);
 
         return r;
@@ -638,7 +638,7 @@ int cik_sdma_ring_test(struct radeon_device *rdev,
         radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr));
         radeon_ring_write(ring, 1); /* number of DWs to follow */
         radeon_ring_write(ring, 0xDEADBEEF);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         for (i = 0; i < rdev->usec_timeout; i++) {
                 tmp = readl(ptr);
@@ -695,7 +695,7 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
         ib.ptr[4] = 0xDEADBEEF;
         ib.length_dw = 5;
 
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r) {
                 radeon_ib_free(rdev, &ib);
                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 4fedd14e670a..dbca60c7d097 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2869,7 +2869,7 @@ static int evergreen_cp_start(struct radeon_device *rdev)
         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
         radeon_ring_write(ring, 0);
         radeon_ring_write(ring, 0);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         cp_me = 0xff;
         WREG32(CP_ME_CNTL, cp_me);
@@ -2912,7 +2912,7 @@ static int evergreen_cp_start(struct radeon_device *rdev)
         radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
         radeon_ring_write(ring, 0x00000010); /*  */
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         return 0;
 }
diff --git a/drivers/gpu/drm/radeon/evergreen_dma.c b/drivers/gpu/drm/radeon/evergreen_dma.c
index 478caefe0fef..afaba388c36d 100644
--- a/drivers/gpu/drm/radeon/evergreen_dma.c
+++ b/drivers/gpu/drm/radeon/evergreen_dma.c
@@ -155,7 +155,7 @@ int evergreen_copy_dma(struct radeon_device *rdev,
                 return r;
         }
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         radeon_semaphore_free(rdev, &sem, *fence);
 
         return r;
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index 9ef8c38f2d66..8b58e11b64fa 100644
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -1438,14 +1438,14 @@ static int kv_update_uvd_dpm(struct radeon_device *rdev, bool gate)
         return kv_enable_uvd_dpm(rdev, !gate);
 }
 
-static u8 kv_get_vce_boot_level(struct radeon_device *rdev)
+static u8 kv_get_vce_boot_level(struct radeon_device *rdev, u32 evclk)
 {
         u8 i;
         struct radeon_vce_clock_voltage_dependency_table *table =
                 &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
 
         for (i = 0; i < table->count; i++) {
-                if (table->entries[i].evclk >= 0) /* XXX */
+                if (table->entries[i].evclk >= evclk)
                         break;
         }
 
@@ -1468,7 +1468,7 @@ static int kv_update_vce_dpm(struct radeon_device *rdev,
                 if (pi->caps_stable_p_state)
                         pi->vce_boot_level = table->count - 1;
                 else
-                        pi->vce_boot_level = kv_get_vce_boot_level(rdev);
+                        pi->vce_boot_level = kv_get_vce_boot_level(rdev, radeon_new_state->evclk);
 
                 ret = kv_copy_bytes_to_smc(rdev,
                                            pi->dpm_table_start +
@@ -2726,7 +2726,10 @@ int kv_dpm_init(struct radeon_device *rdev)
         pi->caps_sclk_ds = true;
         pi->enable_auto_thermal_throttling = true;
         pi->disable_nb_ps3_in_battery = false;
-        pi->bapm_enable = true;
+        if (radeon_bapm == 0)
+                pi->bapm_enable = false;
+        else
+                pi->bapm_enable = true;
         pi->voltage_drop_t = 0;
         pi->caps_sclk_throttle_low_notification = false;
         pi->caps_fps = false; /* true? */
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 327b85f7fd0d..3faee58946dd 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1271,7 +1271,7 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev)
                 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
                 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
                 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
-                        rdev->gart.table_addr >> 12);
+                       rdev->vm_manager.saved_table_addr[i]);
         }
 
         /* enable context1-7 */
@@ -1303,6 +1303,13 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev)
 
 static void cayman_pcie_gart_disable(struct radeon_device *rdev)
 {
+        unsigned i;
+
+        for (i = 1; i < 8; ++i) {
+                rdev->vm_manager.saved_table_addr[i] = RREG32(
+                        VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
+        }
+
         /* Disable all tables */
         WREG32(VM_CONTEXT0_CNTL, 0);
         WREG32(VM_CONTEXT1_CNTL, 0);
@@ -1505,7 +1512,7 @@ static int cayman_cp_start(struct radeon_device *rdev)
         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
         radeon_ring_write(ring, 0);
         radeon_ring_write(ring, 0);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         cayman_cp_enable(rdev, true);
 
@@ -1547,7 +1554,7 @@ static int cayman_cp_start(struct radeon_device *rdev)
         radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
         radeon_ring_write(ring, 0x00000010); /*  */
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         /* XXX init other rings */
 
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 04b5940b8923..4c5ec44ff328 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -925,7 +925,7 @@ int r100_copy_blit(struct radeon_device *rdev,
         if (fence) {
                 r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX);
         }
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         return r;
 }
 
@@ -958,7 +958,7 @@ void r100_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
                           RADEON_ISYNC_ANY3D_IDLE2D |
                           RADEON_ISYNC_WAIT_IDLEGUI |
                           RADEON_ISYNC_CPSCRATCH_IDLEGUI);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 }
 
 
@@ -3638,7 +3638,7 @@ int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
         }
         radeon_ring_write(ring, PACKET0(scratch, 0));
         radeon_ring_write(ring, 0xDEADBEEF);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         for (i = 0; i < rdev->usec_timeout; i++) {
                 tmp = RREG32(scratch);
                 if (tmp == 0xDEADBEEF) {
@@ -3700,7 +3700,7 @@ int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
         ib.ptr[6] = PACKET2(0);
         ib.ptr[7] = PACKET2(0);
         ib.length_dw = 8;
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r) {
                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
                 goto free_ib;
diff --git a/drivers/gpu/drm/radeon/r200.c b/drivers/gpu/drm/radeon/r200.c
index 58f0473aa73f..67780374a652 100644
--- a/drivers/gpu/drm/radeon/r200.c
+++ b/drivers/gpu/drm/radeon/r200.c
@@ -121,7 +121,7 @@ int r200_copy_dma(struct radeon_device *rdev,
         if (fence) {
                 r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX);
         }
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         return r;
 }
 
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 75b30338c226..1bc4704034ce 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -295,7 +295,7 @@ void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
         radeon_ring_write(ring,
                           R300_GEOMETRY_ROUND_NEAREST |
                           R300_COLOR_ROUND_NEAREST);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 }
 
 static void r300_errata(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 802b19220a21..2828605aef3f 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -219,7 +219,7 @@ static void r420_cp_errata_init(struct radeon_device *rdev)
         radeon_ring_write(ring, PACKET0(R300_CP_RESYNC_ADDR, 1));
         radeon_ring_write(ring, rdev->config.r300.resync_scratch);
         radeon_ring_write(ring, 0xDEADBEEF);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 }
 
 static void r420_cp_errata_fini(struct radeon_device *rdev)
@@ -232,7 +232,7 @@ static void r420_cp_errata_fini(struct radeon_device *rdev)
         radeon_ring_lock(rdev, ring, 8);
         radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
         radeon_ring_write(ring, R300_RB3D_DC_FINISH);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         radeon_scratch_free(rdev, rdev->config.r300.resync_scratch);
 }
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index c70a504d96af..e616eb5f6e7a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1812,7 +1812,6 @@ static void r600_gpu_init(struct radeon_device *rdev)
 {
         u32 tiling_config;
         u32 ramcfg;
-        u32 cc_rb_backend_disable;
         u32 cc_gc_shader_pipe_config;
         u32 tmp;
         int i, j;
@@ -1939,29 +1938,20 @@ static void r600_gpu_init(struct radeon_device *rdev)
         }
         tiling_config |= BANK_SWAPS(1);
 
-        cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
-        tmp = R6XX_MAX_BACKENDS -
-                r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK);
-        if (tmp < rdev->config.r600.max_backends) {
-                rdev->config.r600.max_backends = tmp;
-        }
-
         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
-        tmp = R6XX_MAX_PIPES -
-                r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK);
-        if (tmp < rdev->config.r600.max_pipes) {
-                rdev->config.r600.max_pipes = tmp;
-        }
-        tmp = R6XX_MAX_SIMDS -
-                r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
-        if (tmp < rdev->config.r600.max_simds) {
-                rdev->config.r600.max_simds = tmp;
-        }
         tmp = rdev->config.r600.max_simds -
                 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
         rdev->config.r600.active_simds = tmp;
 
         disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
+        tmp = 0;
+        for (i = 0; i < rdev->config.r600.max_backends; i++)
+                tmp |= (1 << i);
+        /* if all the backends are disabled, fix it up here */
+        if ((disabled_rb_mask & tmp) == tmp) {
+                for (i = 0; i < rdev->config.r600.max_backends; i++)
+                        disabled_rb_mask &= ~(1 << i);
+        }
         tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
         tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
                                         R6XX_MAX_BACKENDS, disabled_rb_mask);
@@ -2547,7 +2537,7 @@ int r600_cp_start(struct radeon_device *rdev)
         radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
         radeon_ring_write(ring, 0);
         radeon_ring_write(ring, 0);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         cp_me = 0xff;
         WREG32(R_0086D8_CP_ME_CNTL, cp_me);
@@ -2683,7 +2673,7 @@ int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
         radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
         radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
         radeon_ring_write(ring, 0xDEADBEEF);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         for (i = 0; i < rdev->usec_timeout; i++) {
                 tmp = RREG32(scratch);
                 if (tmp == 0xDEADBEEF)
@@ -2753,6 +2743,17 @@ void r600_fence_ring_emit(struct radeon_device *rdev,
         }
 }
 
+/**
+ * r600_semaphore_ring_emit - emit a semaphore on the CP ring
+ *
+ * @rdev: radeon_device pointer
+ * @ring: radeon ring buffer object
+ * @semaphore: radeon semaphore object
+ * @emit_wait: Is this a sempahore wait?
+ *
+ * Emits a semaphore signal/wait packet to the CP ring and prevents the PFP
+ * from running ahead of semaphore waits.
+ */
 bool r600_semaphore_ring_emit(struct radeon_device *rdev,
                               struct radeon_ring *ring,
                               struct radeon_semaphore *semaphore,
@@ -2768,6 +2769,13 @@ bool r600_semaphore_ring_emit(struct radeon_device *rdev,
         radeon_ring_write(ring, lower_32_bits(addr));
         radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
 
+        /* PFP_SYNC_ME packet only exists on 7xx+ */
+        if (emit_wait && (rdev->family >= CHIP_RV770)) {
+                /* Prevent the PFP from running ahead of the semaphore wait */
+                radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
+                radeon_ring_write(ring, 0x0);
+        }
+
         return true;
 }
 
@@ -2845,7 +2853,7 @@ int r600_copy_cpdma(struct radeon_device *rdev,
                 return r;
         }
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         radeon_semaphore_free(rdev, &sem, *fence);
 
         return r;
@@ -3165,7 +3173,7 @@ int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
         ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
         ib.ptr[2] = 0xDEADBEEF;
         ib.length_dw = 3;
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r) {
                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
                 goto free_ib;
diff --git a/drivers/gpu/drm/radeon/r600_dma.c b/drivers/gpu/drm/radeon/r600_dma.c
index 4969cef44a19..51fd98553eaf 100644
--- a/drivers/gpu/drm/radeon/r600_dma.c
+++ b/drivers/gpu/drm/radeon/r600_dma.c
@@ -261,7 +261,7 @@ int r600_dma_ring_test(struct radeon_device *rdev,
         radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc);
         radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff);
         radeon_ring_write(ring, 0xDEADBEEF);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         for (i = 0; i < rdev->usec_timeout; i++) {
                 tmp = readl(ptr);
@@ -368,7 +368,7 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
         ib.ptr[3] = 0xDEADBEEF;
         ib.length_dw = 4;
 
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r) {
                 radeon_ib_free(rdev, &ib);
                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
@@ -493,7 +493,7 @@ int r600_copy_dma(struct radeon_device *rdev,
                 return r;
         }
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         radeon_semaphore_free(rdev, &sem, *fence);
 
         return r;
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index f94e7a9afe75..0c4a7d8d93e0 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -1597,6 +1597,7 @@
                  */
 #              define PACKET3_CP_DMA_CMD_SAIC      (1 << 28)
 #              define PACKET3_CP_DMA_CMD_DAIC      (1 << 29)
+#define PACKET3_PFP_SYNC_ME                             0x42 /* r7xx+ only */
 #define PACKET3_SURFACE_SYNC                            0x43
 #              define PACKET3_CB0_DEST_BASE_ENA    (1 << 6)
 #              define PACKET3_FULL_CACHE_ENA       (1 << 20) /* r7xx+ only */
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 9e1732eb402c..5f05b4c84338 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -105,6 +105,7 @@ extern int radeon_vm_size;
 extern int radeon_vm_block_size;
 extern int radeon_deep_color;
 extern int radeon_use_pflipirq;
+extern int radeon_bapm;
 
 /*
  * Copy from radeon_drv.h so we don't have to include both and have conflicting
@@ -914,6 +915,8 @@ struct radeon_vm_manager {
         u64                             vram_base_offset;
         /* is vm enabled? */
         bool                            enabled;
+        /* for hw to save the PD addr on suspend/resume */
+        uint32_t                        saved_table_addr[RADEON_NUM_VM];
 };
 
 /*
@@ -967,7 +970,7 @@ int radeon_ib_get(struct radeon_device *rdev, int ring,
                   unsigned size);
 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
-                       struct radeon_ib *const_ib);
+                       struct radeon_ib *const_ib, bool hdp_flush);
 int radeon_ib_pool_init(struct radeon_device *rdev);
 void radeon_ib_pool_fini(struct radeon_device *rdev);
 int radeon_ib_ring_tests(struct radeon_device *rdev);
@@ -977,8 +980,10 @@ bool radeon_ring_supports_scratch_reg(struct radeon_device *rdev,
 void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *cp);
 int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
 int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
-void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp);
-void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp);
+void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp,
+                        bool hdp_flush);
+void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp,
+                               bool hdp_flush);
 void radeon_ring_undo(struct radeon_ring *ring);
 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index ee712c199b25..83f382e8e40e 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -132,7 +132,8 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
                  * the buffers used for read only, which doubles the range
                  * to 0 to 31. 32 is reserved for the kernel driver.
                  */
-                priority = (r->flags & 0xf) * 2 + !!r->write_domain;
+                priority = (r->flags & RADEON_RELOC_PRIO_MASK) * 2
+                           + !!r->write_domain;
 
                 /* the first reloc of an UVD job is the msg and that must be in
                    VRAM, also but everything into VRAM on AGP cards to avoid
@@ -450,7 +451,7 @@ static int radeon_cs_ib_chunk(struct radeon_device *rdev,
                 radeon_vce_note_usage(rdev);
 
         radeon_cs_sync_rings(parser);
-        r = radeon_ib_schedule(rdev, &parser->ib, NULL);
+        r = radeon_ib_schedule(rdev, &parser->ib, NULL, true);
         if (r) {
                 DRM_ERROR("Failed to schedule IB !\n");
         }
@@ -541,9 +542,9 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
 
         if ((rdev->family >= CHIP_TAHITI) &&
             (parser->chunk_const_ib_idx != -1)) {
-                r = radeon_ib_schedule(rdev, &parser->ib, &parser->const_ib);
+                r = radeon_ib_schedule(rdev, &parser->ib, &parser->const_ib, true);
         } else {
-                r = radeon_ib_schedule(rdev, &parser->ib, NULL);
+                r = radeon_ib_schedule(rdev, &parser->ib, NULL, true);
         }
 
 out:
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c8ea050c8fa4..6a219bcee66d 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1680,8 +1680,8 @@ int radeon_gpu_reset(struct radeon_device *rdev)
         radeon_save_bios_scratch_regs(rdev);
         /* block TTM */
         resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
-        radeon_pm_suspend(rdev);
         radeon_suspend(rdev);
+        radeon_hpd_fini(rdev);
 
         for (i = 0; i < RADEON_NUM_RINGS; ++i) {
                 ring_sizes[i] = radeon_ring_backup(rdev, &rdev->ring[i],
@@ -1726,9 +1726,39 @@ retry:
                 }
         }
 
-        radeon_pm_resume(rdev);
+        if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
+                /* do dpm late init */
+                r = radeon_pm_late_init(rdev);
+                if (r) {
+                        rdev->pm.dpm_enabled = false;
+                        DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n");
+                }
+        } else {
+                /* resume old pm late */
+                radeon_pm_resume(rdev);
+        }
+
+        /* init dig PHYs, disp eng pll */
+        if (rdev->is_atom_bios) {
+                radeon_atom_encoder_init(rdev);
+                radeon_atom_disp_eng_pll_init(rdev);
+                /* turn on the BL */
+                if (rdev->mode_info.bl_encoder) {
+                        u8 bl_level = radeon_get_backlight_level(rdev,
+                                                                 rdev->mode_info.bl_encoder);
+                        radeon_set_backlight_level(rdev, rdev->mode_info.bl_encoder,
+                                                   bl_level);
+                }
+        }
+        /* reset hpd state */
+        radeon_hpd_init(rdev);
+
         drm_helper_resume_force_mode(rdev->ddev);
 
+        /* set the power state here in case we are a PX system or headless */
+        if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
+                radeon_pm_compute_clocks(rdev);
+
         ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
         if (r) {
                 /* bad news, how to tell it to userspace ? */
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 092d067f93e1..8df888908833 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -180,6 +180,7 @@ int radeon_vm_size = 8;
 int radeon_vm_block_size = -1;
 int radeon_deep_color = 0;
 int radeon_use_pflipirq = 2;
+int radeon_bapm = -1;
 
 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 module_param_named(no_wb, radeon_no_wb, int, 0444);
@@ -259,6 +260,9 @@ module_param_named(deep_color, radeon_deep_color, int, 0444);
 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
 
+MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
+module_param_named(bapm, radeon_bapm, int, 0444);
+
 static struct pci_device_id pciidlist[] = {
         radeon_PCI_IDS
 };
diff --git a/drivers/gpu/drm/radeon/radeon_ib.c b/drivers/gpu/drm/radeon/radeon_ib.c
index 65b0c213488d..5bf2c0a05827 100644
--- a/drivers/gpu/drm/radeon/radeon_ib.c
+++ b/drivers/gpu/drm/radeon/radeon_ib.c
@@ -107,6 +107,7 @@ void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib)
  * @rdev: radeon_device pointer
  * @ib: IB object to schedule
  * @const_ib: Const IB to schedule (SI only)
+ * @hdp_flush: Whether or not to perform an HDP cache flush
  *
  * Schedule an IB on the associated ring (all asics).
  * Returns 0 on success, error on failure.
@@ -122,7 +123,7 @@ void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib)
  * to SI there was just a DE IB.
  */
 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
-                       struct radeon_ib *const_ib)
+                       struct radeon_ib *const_ib, bool hdp_flush)
 {
         struct radeon_ring *ring = &rdev->ring[ib->ring];
         int r = 0;
@@ -176,7 +177,7 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
         if (ib->vm)
                 radeon_vm_fence(rdev, ib->vm, ib->fence);
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, hdp_flush);
         return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 23314be49480..164898b0010c 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -460,10 +460,6 @@ static ssize_t radeon_get_dpm_state(struct device *dev,
         struct radeon_device *rdev = ddev->dev_private;
         enum radeon_pm_state_type pm = rdev->pm.dpm.user_state;
 
-        if  ((rdev->flags & RADEON_IS_PX) &&
-             (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-                return snprintf(buf, PAGE_SIZE, "off\n");
-
         return snprintf(buf, PAGE_SIZE, "%s\n",
                         (pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
                         (pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
@@ -477,11 +473,6 @@ static ssize_t radeon_set_dpm_state(struct device *dev,
         struct drm_device *ddev = dev_get_drvdata(dev);
         struct radeon_device *rdev = ddev->dev_private;
 
-        /* Can't set dpm state when the card is off */
-        if  ((rdev->flags & RADEON_IS_PX) &&
-             (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-                return -EINVAL;
-
         mutex_lock(&rdev->pm.mutex);
         if (strncmp("battery", buf, strlen("battery")) == 0)
                 rdev->pm.dpm.user_state = POWER_STATE_TYPE_BATTERY;
@@ -495,7 +486,12 @@ static ssize_t radeon_set_dpm_state(struct device *dev,
                 goto fail;
         }
         mutex_unlock(&rdev->pm.mutex);
-        radeon_pm_compute_clocks(rdev);
+
+        /* Can't set dpm state when the card is off */
+        if (!(rdev->flags & RADEON_IS_PX) ||
+            (ddev->switch_power_state == DRM_SWITCH_POWER_ON))
+                radeon_pm_compute_clocks(rdev);
+
 fail:
         return count;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 5b4e0cf231a0..d65607902537 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -177,16 +177,18 @@ int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *ring, unsig
  *
  * @rdev: radeon_device pointer
  * @ring: radeon_ring structure holding ring information
+ * @hdp_flush: Whether or not to perform an HDP cache flush
  *
  * Update the wptr (write pointer) to tell the GPU to
  * execute new commands on the ring buffer (all asics).
  */
-void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *ring)
+void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *ring,
+                        bool hdp_flush)
 {
         /* If we are emitting the HDP flush via the ring buffer, we need to
          * do it before padding.
          */
-        if (rdev->asic->ring[ring->idx]->hdp_flush)
+        if (hdp_flush && rdev->asic->ring[ring->idx]->hdp_flush)
                 rdev->asic->ring[ring->idx]->hdp_flush(rdev, ring);
         /* We pad to match fetch size */
         while (ring->wptr & ring->align_mask) {
@@ -196,7 +198,7 @@ void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *ring)
         /* If we are emitting the HDP flush via MMIO, we need to do it after
          * all CPU writes to VRAM finished.
          */
-        if (rdev->asic->mmio_hdp_flush)
+        if (hdp_flush && rdev->asic->mmio_hdp_flush)
                 rdev->asic->mmio_hdp_flush(rdev);
         radeon_ring_set_wptr(rdev, ring);
 }
@@ -207,12 +209,14 @@ void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *ring)
  *
  * @rdev: radeon_device pointer
  * @ring: radeon_ring structure holding ring information
+ * @hdp_flush: Whether or not to perform an HDP cache flush
  *
  * Call radeon_ring_commit() then unlock the ring (all asics).
  */
-void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *ring)
+void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *ring,
+                               bool hdp_flush)
 {
-        radeon_ring_commit(rdev, ring);
+        radeon_ring_commit(rdev, ring, hdp_flush);
         mutex_unlock(&rdev->ring_lock);
 }
 
@@ -372,7 +376,7 @@ int radeon_ring_restore(struct radeon_device *rdev, struct radeon_ring *ring,
                 radeon_ring_write(ring, data[i]);
         }
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         kfree(data);
         return 0;
 }
@@ -400,9 +404,7 @@ int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsig
         /* Allocate ring buffer */
         if (ring->ring_obj == NULL) {
                 r = radeon_bo_create(rdev, ring->ring_size, PAGE_SIZE, true,
-                                     RADEON_GEM_DOMAIN_GTT,
-                                     (rdev->flags & RADEON_IS_PCIE) ?
-                                     RADEON_GEM_GTT_WC : 0,
+                                     RADEON_GEM_DOMAIN_GTT, 0,
                                      NULL, &ring->ring_obj);
                 if (r) {
                         dev_err(rdev->dev, "(%d) ring create failed\n", r);
diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c
index dbd6bcde92de..56d9fd66d8ae 100644
--- a/drivers/gpu/drm/radeon/radeon_semaphore.c
+++ b/drivers/gpu/drm/radeon/radeon_semaphore.c
@@ -179,7 +179,7 @@ int radeon_semaphore_sync_rings(struct radeon_device *rdev,
                         continue;
                 }
 
-                radeon_ring_commit(rdev, &rdev->ring[i]);
+                radeon_ring_commit(rdev, &rdev->ring[i], false);
                 radeon_fence_note_sync(fence, ring);
 
                 semaphore->gpu_addr += 8;
diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c
index 5adf4207453d..17bc3dced9f1 100644
--- a/drivers/gpu/drm/radeon/radeon_test.c
+++ b/drivers/gpu/drm/radeon/radeon_test.c
@@ -288,7 +288,7 @@ static int radeon_test_create_and_emit_fence(struct radeon_device *rdev,
                         return r;
                 }
                 radeon_fence_emit(rdev, fence, ring->idx);
-                radeon_ring_unlock_commit(rdev, ring);
+                radeon_ring_unlock_commit(rdev, ring, false);
         }
         return 0;
 }
@@ -313,7 +313,7 @@ void radeon_test_ring_sync(struct radeon_device *rdev,
                 goto out_cleanup;
         }
         radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
-        radeon_ring_unlock_commit(rdev, ringA);
+        radeon_ring_unlock_commit(rdev, ringA, false);
 
         r = radeon_test_create_and_emit_fence(rdev, ringA, &fence1);
         if (r)
@@ -325,7 +325,7 @@ void radeon_test_ring_sync(struct radeon_device *rdev,
                 goto out_cleanup;
         }
         radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
-        radeon_ring_unlock_commit(rdev, ringA);
+        radeon_ring_unlock_commit(rdev, ringA, false);
 
         r = radeon_test_create_and_emit_fence(rdev, ringA, &fence2);
         if (r)
@@ -344,7 +344,7 @@ void radeon_test_ring_sync(struct radeon_device *rdev,
                 goto out_cleanup;
         }
         radeon_semaphore_emit_signal(rdev, ringB->idx, semaphore);
-        radeon_ring_unlock_commit(rdev, ringB);
+        radeon_ring_unlock_commit(rdev, ringB, false);
 
         r = radeon_fence_wait(fence1, false);
         if (r) {
@@ -365,7 +365,7 @@ void radeon_test_ring_sync(struct radeon_device *rdev,
                 goto out_cleanup;
         }
         radeon_semaphore_emit_signal(rdev, ringB->idx, semaphore);
-        radeon_ring_unlock_commit(rdev, ringB);
+        radeon_ring_unlock_commit(rdev, ringB, false);
 
         r = radeon_fence_wait(fence2, false);
         if (r) {
@@ -408,7 +408,7 @@ static void radeon_test_ring_sync2(struct radeon_device *rdev,
                 goto out_cleanup;
         }
         radeon_semaphore_emit_wait(rdev, ringA->idx, semaphore);
-        radeon_ring_unlock_commit(rdev, ringA);
+        radeon_ring_unlock_commit(rdev, ringA, false);
 
         r = radeon_test_create_and_emit_fence(rdev, ringA, &fenceA);
         if (r)
@@ -420,7 +420,7 @@ static void radeon_test_ring_sync2(struct radeon_device *rdev,
                 goto out_cleanup;
         }
         radeon_semaphore_emit_wait(rdev, ringB->idx, semaphore);
-        radeon_ring_unlock_commit(rdev, ringB);
+        radeon_ring_unlock_commit(rdev, ringB, false);
         r = radeon_test_create_and_emit_fence(rdev, ringB, &fenceB);
         if (r)
                 goto out_cleanup;
@@ -442,7 +442,7 @@ static void radeon_test_ring_sync2(struct radeon_device *rdev,
                 goto out_cleanup;
         }
         radeon_semaphore_emit_signal(rdev, ringC->idx, semaphore);
-        radeon_ring_unlock_commit(rdev, ringC);
+        radeon_ring_unlock_commit(rdev, ringC, false);
 
         for (i = 0; i < 30; ++i) {
                 mdelay(100);
@@ -468,7 +468,7 @@ static void radeon_test_ring_sync2(struct radeon_device *rdev,
                 goto out_cleanup;
         }
         radeon_semaphore_emit_signal(rdev, ringC->idx, semaphore);
-        radeon_ring_unlock_commit(rdev, ringC);
+        radeon_ring_unlock_commit(rdev, ringC, false);
 
         mdelay(1000);
 
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 6bf55ec85b62..341848a14376 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -646,7 +646,7 @@ static int radeon_uvd_send_msg(struct radeon_device *rdev,
                 ib.ptr[i] = PACKET2(0);
         ib.length_dw = 16;
 
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r)
                 goto err;
         ttm_eu_fence_buffer_objects(&ticket, &head, ib.fence);
diff --git a/drivers/gpu/drm/radeon/radeon_vce.c b/drivers/gpu/drm/radeon/radeon_vce.c
index f9b70a43aa52..c7190aadbd89 100644
--- a/drivers/gpu/drm/radeon/radeon_vce.c
+++ b/drivers/gpu/drm/radeon/radeon_vce.c
@@ -368,7 +368,7 @@ int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
         for (i = ib.length_dw; i < ib_size_dw; ++i)
                 ib.ptr[i] = 0x0;
 
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r) {
                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
         }
@@ -425,7 +425,7 @@ int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
         for (i = ib.length_dw; i < ib_size_dw; ++i)
                 ib.ptr[i] = 0x0;
 
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r) {
                 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
         }
@@ -715,7 +715,7 @@ int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
                 return r;
         }
         radeon_ring_write(ring, VCE_CMD_END);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         for (i = 0; i < rdev->usec_timeout; i++) {
                 if (vce_v1_0_get_rptr(rdev, ring) != rptr)
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index ccae4d9dc3de..088ffdc2f577 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -420,7 +420,7 @@ static int radeon_vm_clear_bo(struct radeon_device *rdev,
         radeon_asic_vm_pad_ib(rdev, &ib);
         WARN_ON(ib.length_dw > 64);
 
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r)
                 goto error;
 
@@ -483,6 +483,10 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
                         /* add a clone of the bo_va to clear the old address */
                         struct radeon_bo_va *tmp;
                         tmp = kzalloc(sizeof(struct radeon_bo_va), GFP_KERNEL);
+                        if (!tmp) {
+                                mutex_unlock(&vm->mutex);
+                                return -ENOMEM;
+                        }
                         tmp->it.start = bo_va->it.start;
                         tmp->it.last = bo_va->it.last;
                         tmp->vm = vm;
@@ -693,7 +697,7 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev,
                 radeon_semaphore_sync_to(ib.semaphore, pd->tbo.sync_obj);
                 radeon_semaphore_sync_to(ib.semaphore, vm->last_id_use);
                 WARN_ON(ib.length_dw > ndw);
-                r = radeon_ib_schedule(rdev, &ib, NULL);
+                r = radeon_ib_schedule(rdev, &ib, NULL, false);
                 if (r) {
                         radeon_ib_free(rdev, &ib);
                         return r;
@@ -957,7 +961,7 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
         WARN_ON(ib.length_dw > ndw);
 
         radeon_semaphore_sync_to(ib.semaphore, vm->fence);
-        r = radeon_ib_schedule(rdev, &ib, NULL);
+        r = radeon_ib_schedule(rdev, &ib, NULL, false);
         if (r) {
                 radeon_ib_free(rdev, &ib);
                 return r;
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 3e21e869015f..8a477bf1fdb3 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -124,7 +124,7 @@ void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
         radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
         radeon_ring_write(ring, PACKET0(0x20C8, 0));
         radeon_ring_write(ring, 0);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 }
 
 int rv515_mc_wait_for_idle(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 2983f17ea1b3..d9f5ce715c9b 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1177,7 +1177,6 @@ static void rv770_gpu_init(struct radeon_device *rdev)
         u32 hdp_host_path_cntl;
         u32 sq_dyn_gpr_size_simd_ab_0;
         u32 gb_tiling_config = 0;
-        u32 cc_rb_backend_disable = 0;
         u32 cc_gc_shader_pipe_config = 0;
         u32 mc_arb_ramcfg;
         u32 db_debug4, tmp;
@@ -1311,21 +1310,7 @@ static void rv770_gpu_init(struct radeon_device *rdev)
                 WREG32(SPI_CONFIG_CNTL, 0);
         }
 
-        cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
-        tmp = R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_rb_backend_disable >> 16);
-        if (tmp < rdev->config.rv770.max_backends) {
-                rdev->config.rv770.max_backends = tmp;
-        }
-
         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
-        tmp = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R7XX_MAX_PIPES_MASK);
-        if (tmp < rdev->config.rv770.max_pipes) {
-                rdev->config.rv770.max_pipes = tmp;
-        }
-        tmp = R7XX_MAX_SIMDS - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
-        if (tmp < rdev->config.rv770.max_simds) {
-                rdev->config.rv770.max_simds = tmp;
-        }
         tmp = rdev->config.rv770.max_simds -
                 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
         rdev->config.rv770.active_simds = tmp;
@@ -1348,6 +1333,14 @@ static void rv770_gpu_init(struct radeon_device *rdev)
         rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
 
         disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
+        tmp = 0;
+        for (i = 0; i < rdev->config.rv770.max_backends; i++)
+                tmp |= (1 << i);
+        /* if all the backends are disabled, fix it up here */
+        if ((disabled_rb_mask & tmp) == tmp) {
+                for (i = 0; i < rdev->config.rv770.max_backends; i++)
+                        disabled_rb_mask &= ~(1 << i);
+        }
         tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
         tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
                                         R7XX_MAX_BACKENDS, disabled_rb_mask);
diff --git a/drivers/gpu/drm/radeon/rv770_dma.c b/drivers/gpu/drm/radeon/rv770_dma.c
index bbf2e076ee45..74426ac2bb5c 100644
--- a/drivers/gpu/drm/radeon/rv770_dma.c
+++ b/drivers/gpu/drm/radeon/rv770_dma.c
@@ -90,7 +90,7 @@ int rv770_copy_dma(struct radeon_device *rdev,
                 return r;
         }
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         radeon_semaphore_free(rdev, &sem, *fence);
 
         return r;
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 011779bd2b3d..6bce40847753 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -3057,7 +3057,7 @@ static void si_gpu_init(struct radeon_device *rdev)
         u32 sx_debug_1;
         u32 hdp_host_path_cntl;
         u32 tmp;
-        int i, j, k;
+        int i, j;
 
         switch (rdev->family) {
         case CHIP_TAHITI:
@@ -3255,12 +3255,11 @@ static void si_gpu_init(struct radeon_device *rdev)
                      rdev->config.si.max_sh_per_se,
                      rdev->config.si.max_cu_per_sh);
 
+        rdev->config.si.active_cus = 0;
         for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
                 for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
-                        for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
-                                rdev->config.si.active_cus +=
-                                        hweight32(si_get_cu_active_bitmap(rdev, i, j));
-                        }
+                        rdev->config.si.active_cus +=
+                                hweight32(si_get_cu_active_bitmap(rdev, i, j));
                 }
         }
 
@@ -3541,7 +3540,7 @@ static int si_cp_start(struct radeon_device *rdev)
         radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE));
         radeon_ring_write(ring, 0xc000);
         radeon_ring_write(ring, 0xe000);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         si_cp_enable(rdev, true);
 
@@ -3570,7 +3569,7 @@ static int si_cp_start(struct radeon_device *rdev)
         radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
         radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
         for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) {
                 ring = &rdev->ring[i];
@@ -3580,7 +3579,7 @@ static int si_cp_start(struct radeon_device *rdev)
                 radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0));
                 radeon_ring_write(ring, 0);
 
-                radeon_ring_unlock_commit(rdev, ring);
+                radeon_ring_unlock_commit(rdev, ring, false);
         }
 
         return 0;
@@ -4291,10 +4290,10 @@ static int si_pcie_gart_enable(struct radeon_device *rdev)
         for (i = 1; i < 16; i++) {
                 if (i < 8)
                         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
-                               rdev->gart.table_addr >> 12);
+                               rdev->vm_manager.saved_table_addr[i]);
                 else
                         WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
-                               rdev->gart.table_addr >> 12);
+                               rdev->vm_manager.saved_table_addr[i]);
         }
 
         /* enable context1-15 */
@@ -4326,6 +4325,17 @@ static int si_pcie_gart_enable(struct radeon_device *rdev)
 
 static void si_pcie_gart_disable(struct radeon_device *rdev)
 {
+        unsigned i;
+
+        for (i = 1; i < 16; ++i) {
+                uint32_t reg;
+                if (i < 8)
+                        reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2);
+                else
+                        reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2);
+                rdev->vm_manager.saved_table_addr[i] = RREG32(reg);
+        }
+
         /* Disable all tables */
         WREG32(VM_CONTEXT0_CNTL, 0);
         WREG32(VM_CONTEXT1_CNTL, 0);
@@ -5028,7 +5038,7 @@ void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
 
         /* flush hdp cache */
         radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
+        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
                                  WRITE_DATA_DST_SEL(0)));
         radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2);
         radeon_ring_write(ring, 0);
@@ -5036,7 +5046,7 @@ void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
 
         /* bits 0-15 are the VM contexts0-15 */
         radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
+        radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
                                  WRITE_DATA_DST_SEL(0)));
         radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
         radeon_ring_write(ring, 0);
@@ -7178,6 +7188,9 @@ static void si_pcie_gen3_enable(struct radeon_device *rdev)
         int ret, i;
         u16 tmp16;
 
+        if (pci_is_root_bus(rdev->pdev->bus))
+                return;
+
         if (radeon_pcie_gen2 == 0)
                 return;
 
@@ -7455,7 +7468,8 @@ static void si_program_aspm(struct radeon_device *rdev)
                         if (orig != data)
                                 WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
 
-                        if (!disable_clkreq) {
+                        if (!disable_clkreq &&
+                            !pci_is_root_bus(rdev->pdev->bus)) {
                                 struct pci_dev *root = rdev->pdev->bus->self;
                                 u32 lnkcap;
 
diff --git a/drivers/gpu/drm/radeon/si_dma.c b/drivers/gpu/drm/radeon/si_dma.c
index 716505129450..7c22baaf94db 100644
--- a/drivers/gpu/drm/radeon/si_dma.c
+++ b/drivers/gpu/drm/radeon/si_dma.c
@@ -275,7 +275,7 @@ int si_copy_dma(struct radeon_device *rdev,
                 return r;
         }
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         radeon_semaphore_free(rdev, &sem, *fence);
 
         return r;
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 32e50be9c4ac..57f780053b3e 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1874,16 +1874,22 @@ int trinity_dpm_init(struct radeon_device *rdev)
         for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
                 pi->at[i] = TRINITY_AT_DFLT;
 
-        /* There are stability issues reported on with
-         * bapm enabled when switching between AC and battery
-         * power.  At the same time, some MSI boards hang
-         * if it's not enabled and dpm is enabled.  Just enable
-         * it for MSI boards right now.
-         */
-        if (rdev->pdev->subsystem_vendor == 0x1462)
-                pi->enable_bapm = true;
-        else
+        if (radeon_bapm == -1) {
+                /* There are stability issues reported on with
+                 * bapm enabled when switching between AC and battery
+                 * power.  At the same time, some MSI boards hang
+                 * if it's not enabled and dpm is enabled.  Just enable
+                 * it for MSI boards right now.
+                 */
+                if (rdev->pdev->subsystem_vendor == 0x1462)
+                        pi->enable_bapm = true;
+                else
+                        pi->enable_bapm = false;
+        } else if (radeon_bapm == 0) {
                 pi->enable_bapm = false;
+        } else {
+                pi->enable_bapm = true;
+        }
         pi->enable_nbps_policy = true;
         pi->enable_sclk_ds = true;
         pi->enable_gfx_power_gating = true;
diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
index be42c8125203..cda391347286 100644
--- a/drivers/gpu/drm/radeon/uvd_v1_0.c
+++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
@@ -124,7 +124,7 @@ int uvd_v1_0_init(struct radeon_device *rdev)
         radeon_ring_write(ring, PACKET0(UVD_SEMA_CNTL, 0));
         radeon_ring_write(ring, 3);
 
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
 
 done:
         /* lower clocks again */
@@ -331,7 +331,7 @@ int uvd_v1_0_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
         }
         radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
         radeon_ring_write(ring, 0xDEADBEEF);
-        radeon_ring_unlock_commit(rdev, ring);
+        radeon_ring_unlock_commit(rdev, ring, false);
         for (i = 0; i < rdev->usec_timeout; i++) {
                 tmp = RREG32(UVD_CONTEXT_ID);
                 if (tmp == 0xDEADBEEF)
diff --git a/drivers/gpu/drm/sti/Kconfig b/drivers/gpu/drm/sti/Kconfig
index 2d9d4252d598..ae8850f3e63b 100644
--- a/drivers/gpu/drm/sti/Kconfig
+++ b/drivers/gpu/drm/sti/Kconfig
@@ -1,6 +1,7 @@
 config DRM_STI
         tristate "DRM Support for STMicroelectronics SoC stiH41x Series"
         depends on DRM && (SOC_STIH415 || SOC_STIH416 || ARCH_MULTIPLATFORM)
+        select RESET_CONTROLLER
         select DRM_KMS_HELPER
         select DRM_GEM_CMA_HELPER
         select DRM_KMS_CMA_HELPER
diff --git a/drivers/gpu/drm/sti/sti_drm_drv.c b/drivers/gpu/drm/sti/sti_drm_drv.c
index a7cc24917a96..223d93c3a05d 100644
--- a/drivers/gpu/drm/sti/sti_drm_drv.c
+++ b/drivers/gpu/drm/sti/sti_drm_drv.c
@@ -201,8 +201,8 @@ static int sti_drm_platform_probe(struct platform_device *pdev)
         master = platform_device_register_resndata(dev,
                         DRIVER_NAME "__master", -1,
                         NULL, 0, NULL, 0);
-        if (!master)
-                return -EINVAL;
+        if (IS_ERR(master))
+               return PTR_ERR(master);
 
         platform_set_drvdata(pdev, master);
         return 0;
diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
index 72d957f81c05..2ae9a9b73666 100644
--- a/drivers/gpu/drm/sti/sti_hda.c
+++ b/drivers/gpu/drm/sti/sti_hda.c
@@ -730,16 +730,16 @@ static int sti_hda_probe(struct platform_device *pdev)
                 return -ENOMEM;
         }
         hda->regs = devm_ioremap_nocache(dev, res->start, resource_size(res));
-        if (IS_ERR(hda->regs))
-                return PTR_ERR(hda->regs);
+        if (!hda->regs)
+                return -ENOMEM;
 
         res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
                         "video-dacs-ctrl");
         if (res) {
                 hda->video_dacs_ctrl = devm_ioremap_nocache(dev, res->start,
                                 resource_size(res));
-                if (IS_ERR(hda->video_dacs_ctrl))
-                        return PTR_ERR(hda->video_dacs_ctrl);
+                if (!hda->video_dacs_ctrl)
+                        return -ENOMEM;
         } else {
                 /* If no existing video-dacs-ctrl resource continue the probe */
                 DRM_DEBUG_DRIVER("No video-dacs-ctrl resource\n");
@@ -770,7 +770,7 @@ static int sti_hda_remove(struct platform_device *pdev)
         return 0;
 }
 
-static struct of_device_id hda_of_match[] = {
+static const struct of_device_id hda_of_match[] = {
         { .compatible = "st,stih416-hda", },
         { .compatible = "st,stih407-hda", },
         { /* end node */ }
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
index 284e541d970d..ef93156a69c6 100644
--- a/drivers/gpu/drm/sti/sti_hdmi.c
+++ b/drivers/gpu/drm/sti/sti_hdmi.c
@@ -677,7 +677,7 @@ static const struct component_ops sti_hdmi_ops = {
         .unbind = sti_hdmi_unbind,
 };
 
-static struct of_device_id hdmi_of_match[] = {
+static const struct of_device_id hdmi_of_match[] = {
         {
                 .compatible = "st,stih416-hdmi",
                 .data = &tx3g0c55phy_ops,
@@ -713,8 +713,8 @@ static int sti_hdmi_probe(struct platform_device *pdev)
                 return -ENOMEM;
         }
         hdmi->regs = devm_ioremap_nocache(dev, res->start, resource_size(res));
-        if (IS_ERR(hdmi->regs))
-                return PTR_ERR(hdmi->regs);
+        if (!hdmi->regs)
+                return -ENOMEM;
 
         if (of_device_is_compatible(np, "st,stih416-hdmi")) {
                 res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
@@ -725,8 +725,8 @@ static int sti_hdmi_probe(struct platform_device *pdev)
                 }
                 hdmi->syscfg = devm_ioremap_nocache(dev, res->start,
                                                     resource_size(res));
-                if (IS_ERR(hdmi->syscfg))
-                        return PTR_ERR(hdmi->syscfg);
+                if (!hdmi->syscfg)
+                        return -ENOMEM;
 
         }
 
diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c
index b69e26fee76e..b8afe490356a 100644
--- a/drivers/gpu/drm/sti/sti_tvout.c
+++ b/drivers/gpu/drm/sti/sti_tvout.c
@@ -591,8 +591,8 @@ static int sti_tvout_probe(struct platform_device *pdev)
                 return -ENOMEM;
         }
         tvout->regs = devm_ioremap_nocache(dev, res->start, resource_size(res));
-        if (IS_ERR(tvout->regs))
-                return PTR_ERR(tvout->regs);
+        if (!tvout->regs)
+                return -ENOMEM;
 
         /* get reset resources */
         tvout->reset = devm_reset_control_get(dev, "tvout");
@@ -624,7 +624,7 @@ static int sti_tvout_remove(struct platform_device *pdev)
         return 0;
 }
 
-static struct of_device_id tvout_of_match[] = {
+static const struct of_device_id tvout_of_match[] = {
         { .compatible = "st,stih416-tvout", },
         { .compatible = "st,stih407-tvout", },
         { /* end node */ }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 7bfdaa163a33..36b871686d3c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -450,11 +450,11 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
                                           res,
                                           id_loc - sw_context->buf_start);
         if (unlikely(ret != 0))
-                goto out_err;
+                return ret;
 
         ret = vmw_resource_val_add(sw_context, res, &node);
         if (unlikely(ret != 0))
-                goto out_err;
+                return ret;
 
         if (res_type == vmw_res_context && dev_priv->has_mob &&
             node->first_usage) {
@@ -468,13 +468,13 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
 
                 ret = vmw_resource_context_res_add(dev_priv, sw_context, res);
                 if (unlikely(ret != 0))
-                        goto out_err;
+                        return ret;
                 node->staged_bindings =
                         kzalloc(sizeof(*node->staged_bindings), GFP_KERNEL);
                 if (node->staged_bindings == NULL) {
                         DRM_ERROR("Failed to allocate context binding "
                                   "information.\n");
-                        goto out_err;
+                        return -ENOMEM;
                 }
                 INIT_LIST_HEAD(&node->staged_bindings->list);
         }
@@ -482,8 +482,7 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
         if (p_val)
                 *p_val = node;
 
-out_err:
-        return ret;
+        return 0;
 }
 
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index 6ccd993e26bf..6eae14d2a3f7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -180,8 +180,9 @@ void vmw_fifo_release(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
 
         mutex_lock(&dev_priv->hw_mutex);
 
+        vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC);
         while (vmw_read(dev_priv, SVGA_REG_BUSY) != 0)
-                vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC);
+                ;
 
         dev_priv->last_read_seqno = ioread32(fifo_mem + SVGA_FIFO_FENCE);