Merge 3.9-rc7 into driver-core-next

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

5 files changed, 49 insertions, 22 deletions

diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
index e816f06637a7..0e2c1a4f1659 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
@@ -248,6 +248,22 @@ nouveau_bios_shadow_pci(struct nouveau_bios *bios)
         }
 }
 
+static void
+nouveau_bios_shadow_platform(struct nouveau_bios *bios)
+{
+        struct pci_dev *pdev = nv_device(bios)->pdev;
+        size_t size;
+
+        void __iomem *rom = pci_platform_rom(pdev, &size);
+        if (rom && size) {
+                bios->data = kmalloc(size, GFP_KERNEL);
+                if (bios->data) {
+                        memcpy_fromio(bios->data, rom, size);
+                        bios->size = size;
+                }
+        }
+}
+
 static int
 nouveau_bios_score(struct nouveau_bios *bios, const bool writeable)
 {
@@ -288,6 +304,7 @@ nouveau_bios_shadow(struct nouveau_bios *bios)
                 { "PROM", nouveau_bios_shadow_prom, false, 0, 0, NULL },
                 { "ACPI", nouveau_bios_shadow_acpi, true, 0, 0, NULL },
                 { "PCIROM", nouveau_bios_shadow_pci, true, 0, 0, NULL },
+                { "PLATFORM", nouveau_bios_shadow_platform, true, 0, 0, NULL },
                 {}
         };
         struct methods *mthd, *best;
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 3b6dc883e150..5eb3e0da7c6e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -391,7 +391,7 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
         struct nouveau_drm *drm = nouveau_drm(dev);
         struct nouveau_device *device = nv_device(drm->device);
         struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
-        struct nouveau_abi16_chan *chan, *temp;
+        struct nouveau_abi16_chan *chan = NULL, *temp;
         struct nouveau_abi16_ntfy *ntfy;
         struct nouveau_object *object;
         struct nv_dma_class args = {};
@@ -404,10 +404,11 @@ nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
         if (unlikely(nv_device(abi16->device)->card_type >= NV_C0))
                 return nouveau_abi16_put(abi16, -EINVAL);
 
-        list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
-                if (chan->chan->handle == (NVDRM_CHAN | info->channel))
+        list_for_each_entry(temp, &abi16->channels, head) {
+                if (temp->chan->handle == (NVDRM_CHAN | info->channel)) {
+                        chan = temp;
                         break;
-                chan = NULL;
+                }
         }
 
         if (!chan)
@@ -459,17 +460,18 @@ nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
 {
         struct drm_nouveau_gpuobj_free *fini = data;
         struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
-        struct nouveau_abi16_chan *chan, *temp;
+        struct nouveau_abi16_chan *chan = NULL, *temp;
         struct nouveau_abi16_ntfy *ntfy;
         int ret;
 
         if (unlikely(!abi16))
                 return -ENOMEM;
 
-        list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
-                if (chan->chan->handle == (NVDRM_CHAN | fini->channel))
+        list_for_each_entry(temp, &abi16->channels, head) {
+                if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) {
+                        chan = temp;
                         break;
-                chan = NULL;
+                }
         }
 
         if (!chan)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index d1099365bfc1..c95decf543e9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -72,11 +72,25 @@ module_param_named(modeset, nouveau_modeset, int, 0400);
 static struct drm_driver driver;
 
 static int
+nouveau_drm_vblank_handler(struct nouveau_eventh *event, int head)
+{
+        struct nouveau_drm *drm =
+                container_of(event, struct nouveau_drm, vblank[head]);
+        drm_handle_vblank(drm->dev, head);
+        return NVKM_EVENT_KEEP;
+}
+
+static int
 nouveau_drm_vblank_enable(struct drm_device *dev, int head)
 {
         struct nouveau_drm *drm = nouveau_drm(dev);
         struct nouveau_disp *pdisp = nouveau_disp(drm->device);
-        nouveau_event_get(pdisp->vblank, head, &drm->vblank);
+
+        if (WARN_ON_ONCE(head > ARRAY_SIZE(drm->vblank)))
+                return -EIO;
+        WARN_ON_ONCE(drm->vblank[head].func);
+        drm->vblank[head].func = nouveau_drm_vblank_handler;
+        nouveau_event_get(pdisp->vblank, head, &drm->vblank[head]);
         return 0;
 }
 
@@ -85,16 +99,11 @@ nouveau_drm_vblank_disable(struct drm_device *dev, int head)
 {
         struct nouveau_drm *drm = nouveau_drm(dev);
         struct nouveau_disp *pdisp = nouveau_disp(drm->device);
-        nouveau_event_put(pdisp->vblank, head, &drm->vblank);
-}
-
-static int
-nouveau_drm_vblank_handler(struct nouveau_eventh *event, int head)
-{
-        struct nouveau_drm *drm =
-                container_of(event, struct nouveau_drm, vblank);
-        drm_handle_vblank(drm->dev, head);
-        return NVKM_EVENT_KEEP;
+        if (drm->vblank[head].func)
+                nouveau_event_put(pdisp->vblank, head, &drm->vblank[head]);
+        else
+                WARN_ON_ONCE(1);
+        drm->vblank[head].func = NULL;
 }
 
 static u64
@@ -292,7 +301,6 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
 
         dev->dev_private = drm;
         drm->dev = dev;
-        drm->vblank.func = nouveau_drm_vblank_handler;
 
         INIT_LIST_HEAD(&drm->clients);
         spin_lock_init(&drm->tile.lock);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h
index b25df374c901..9c39bafbef2c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h
@@ -113,7 +113,7 @@ struct nouveau_drm {
         struct nvbios vbios;
         struct nouveau_display *display;
         struct backlight_device *backlight;
-        struct nouveau_eventh vblank;
+        struct nouveau_eventh vblank[4];
 
         /* power management */
         struct nouveau_pm *pm;
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 7f0e6c3f37d1..1ddc03e51bf4 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -479,7 +479,7 @@ nv50_display_flip_wait(void *data)
 {
         struct nv50_display_flip *flip = data;
         if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) ==
-                                              flip->chan->data);
+                                              flip->chan->data)
                 return true;
         usleep_range(1, 2);
         return false;