drm/radeon/kms/pm: add support for no display power states

The lowest power states often cause display problems, so only enable
them when all displays are off.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

8 files changed, 94 insertions, 40 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 4151ad8affe..03dd6c41dc1 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -245,13 +245,15 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 
         switch (mode) {
         case DRM_MODE_DPMS_ON:
+                radeon_crtc->enabled = true;
+                /* adjust pm to dpms changes BEFORE enabling crtcs */
+                radeon_pm_compute_clocks(rdev);
                 atombios_enable_crtc(crtc, ATOM_ENABLE);
                 if (ASIC_IS_DCE3(rdev))
                         atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
                 atombios_blank_crtc(crtc, ATOM_DISABLE);
                 drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
                 radeon_crtc_load_lut(crtc);
-                radeon_crtc->enabled = true;
                 break;
         case DRM_MODE_DPMS_STANDBY:
         case DRM_MODE_DPMS_SUSPEND:
@@ -262,11 +264,10 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
                         atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
                 atombios_enable_crtc(crtc, ATOM_DISABLE);
                 radeon_crtc->enabled = false;
+                /* adjust pm to dpms changes AFTER disabling crtcs */
+                radeon_pm_compute_clocks(rdev);
                 break;
         }
-
-        /* adjust pm to dpms change */
-        radeon_pm_compute_clocks(rdev);
 }
 
 static void
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 14b7541df38..4161a35dd3d 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -87,7 +87,7 @@ void r100_get_power_state(struct radeon_device *rdev,
                 } else {
                         if (rdev->pm.active_crtc_count > 1) {
                                 for (i = 0; i < rdev->pm.num_power_states; i++) {
-                                        if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+                                        if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
                                                 continue;
                                         else if (i >= rdev->pm.current_power_state_index) {
                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
@@ -101,6 +101,12 @@ void r100_get_power_state(struct radeon_device *rdev,
                                 rdev->pm.requested_power_state_index =
                                         rdev->pm.current_power_state_index - 1;
                 }
+                /* don't use the power state if crtcs are active and no display flag is set */
+                if ((rdev->pm.active_crtc_count > 0) &&
+                    (rdev->pm.power_state[rdev->pm.requested_power_state_index].clock_info[0].flags &
+                     RADEON_PM_MODE_NO_DISPLAY)) {
+                        rdev->pm.requested_power_state_index++;
+                }
                 break;
         case PM_ACTION_UPCLOCK:
                 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
@@ -109,7 +115,7 @@ void r100_get_power_state(struct radeon_device *rdev,
                 } else {
                         if (rdev->pm.active_crtc_count > 1) {
                                 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
-                                        if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+                                        if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
                                                 continue;
                                         else if (i <= rdev->pm.current_power_state_index) {
                                                 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
@@ -215,7 +221,7 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
                 rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
                 rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
         } else
-                DRM_INFO("GUI not idle!!!\n");
+                DRM_INFO("pm: GUI not idle!!!\n");
 }
 
 void r100_pm_misc(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 75c825cb879..08a328c4165 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -120,7 +120,7 @@ void r600_get_power_state(struct radeon_device *rdev,
                         } else {
                                 if (rdev->pm.active_crtc_count > 1) {
                                         for (i = 0; i < rdev->pm.num_power_states; i++) {
-                                                if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+                                                if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
                                                         continue;
                                                 else if (i >= rdev->pm.current_power_state_index) {
                                                         rdev->pm.requested_power_state_index =
@@ -136,6 +136,13 @@ void r600_get_power_state(struct radeon_device *rdev,
                                                 rdev->pm.current_power_state_index - 1;
                         }
                         rdev->pm.requested_clock_mode_index = 0;
+                        /* don't use the power state if crtcs are active and no display flag is set */
+                        if ((rdev->pm.active_crtc_count > 0) &&
+                            (rdev->pm.power_state[rdev->pm.requested_power_state_index].
+                             clock_info[rdev->pm.requested_clock_mode_index].flags &
+                             RADEON_PM_MODE_NO_DISPLAY)) {
+                                rdev->pm.requested_power_state_index++;
+                        }
                         break;
                 case PM_ACTION_UPCLOCK:
                         if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
@@ -144,7 +151,7 @@ void r600_get_power_state(struct radeon_device *rdev,
                         } else {
                                 if (rdev->pm.active_crtc_count > 1) {
                                         for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
-                                                if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+                                                if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
                                                         continue;
                                                 else if (i <= rdev->pm.current_power_state_index) {
                                                         rdev->pm.requested_power_state_index =
@@ -179,7 +186,7 @@ void r600_get_power_state(struct radeon_device *rdev,
                         rdev->pm.requested_power_state_index = -1;
                         /* start at 1 as we don't want the default mode */
                         for (i = 1; i < rdev->pm.num_power_states; i++) {
-                                if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+                                if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
                                         continue;
                                 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
                                          (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
@@ -210,6 +217,13 @@ void r600_get_power_state(struct radeon_device *rdev,
                                 rdev->pm.requested_clock_mode_index = 0;
                                 rdev->pm.can_downclock = false;
                         }
+                        /* don't use the power state if crtcs are active and no display flag is set */
+                        if ((rdev->pm.active_crtc_count > 0) &&
+                            (rdev->pm.power_state[rdev->pm.requested_power_state_index].
+                             clock_info[rdev->pm.requested_clock_mode_index].flags &
+                             RADEON_PM_MODE_NO_DISPLAY)) {
+                                rdev->pm.requested_clock_mode_index++;
+                        }
                         break;
                 case PM_ACTION_UPCLOCK:
                         if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index e39e2b4ec97..480a83ff54d 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -658,6 +658,9 @@ struct radeon_voltage {
         u32 voltage;
 };
 
+/* clock mode flags */
+#define RADEON_PM_MODE_NO_DISPLAY          (1 << 0)
+
 struct radeon_pm_clock_info {
         /* memory clock */
         u32 mclk;
@@ -665,12 +668,12 @@ struct radeon_pm_clock_info {
         u32 sclk;
         /* voltage info */
         struct radeon_voltage voltage;
-        /* standardized clock flags - not sure we'll need these */
+        /* standardized clock flags */
         u32 flags;
 };
 
 /* state flags */
-#define RADEON_PM_SINGLE_DISPLAY_ONLY (1 << 0)
+#define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
 
 struct radeon_power_state {
         enum radeon_pm_state_type type;
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index c29ac74a1d2..9149e4a3af0 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1549,7 +1549,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
                                                         power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
                                         }
-                                        rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                        rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                         rdev->pm.power_state[state_index].misc = misc;
                                         /* order matters! */
                                         if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
@@ -1568,7 +1568,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.power_state[state_index].type =
                                                         POWER_STATE_TYPE_PERFORMANCE;
                                                 rdev->pm.power_state[state_index].flags &=
-                                                        ~RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                                        ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                         }
                                         if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
                                                 rdev->pm.power_state[state_index].type =
@@ -1577,7 +1577,10 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.power_state[state_index].default_clock_mode =
                                                         &rdev->pm.power_state[state_index].clock_info[0];
                                                 rdev->pm.power_state[state_index].flags &=
-                                                        ~RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                                        ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+                                        } else if (state_index == 0) {
+                                                rdev->pm.power_state[state_index].clock_info[0].flags |=
+                                                        RADEON_PM_MODE_NO_DISPLAY;
                                         }
                                         state_index++;
                                         break;
@@ -1613,7 +1616,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
                                                         power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
                                         }
-                                        rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                        rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                         rdev->pm.power_state[state_index].misc = misc;
                                         rdev->pm.power_state[state_index].misc2 = misc2;
                                         /* order matters! */
@@ -1633,14 +1636,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.power_state[state_index].type =
                                                         POWER_STATE_TYPE_PERFORMANCE;
                                                 rdev->pm.power_state[state_index].flags &=
-                                                        ~RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                                        ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                         }
                                         if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
                                                 rdev->pm.power_state[state_index].type =
                                                         POWER_STATE_TYPE_BALANCED;
                                         if (misc2 & ATOM_PM_MISCINFO2_MULTI_DISPLAY_SUPPORT)
                                                 rdev->pm.power_state[state_index].flags &=
-                                                        ~RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                                        ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                         if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
                                                 rdev->pm.power_state[state_index].type =
                                                         POWER_STATE_TYPE_DEFAULT;
@@ -1648,7 +1651,10 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.power_state[state_index].default_clock_mode =
                                                         &rdev->pm.power_state[state_index].clock_info[0];
                                                 rdev->pm.power_state[state_index].flags &=
-                                                        ~RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                                        ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+                                        } else if (state_index == 0) {
+                                                rdev->pm.power_state[state_index].clock_info[0].flags |=
+                                                        RADEON_PM_MODE_NO_DISPLAY;
                                         }
                                         state_index++;
                                         break;
@@ -1690,7 +1696,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                         power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
                                                 }
                                         }
-                                        rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                        rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                         rdev->pm.power_state[state_index].misc = misc;
                                         rdev->pm.power_state[state_index].misc2 = misc2;
                                         /* order matters! */
@@ -1710,7 +1716,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.power_state[state_index].type =
                                                         POWER_STATE_TYPE_PERFORMANCE;
                                                 rdev->pm.power_state[state_index].flags &=
-                                                        ~RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                                        ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                         }
                                         if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
                                                 rdev->pm.power_state[state_index].type =
@@ -1721,6 +1727,9 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.default_power_state_index = state_index;
                                                 rdev->pm.power_state[state_index].default_clock_mode =
                                                         &rdev->pm.power_state[state_index].clock_info[0];
+                                        } else if (state_index == 0) {
+                                                rdev->pm.power_state[state_index].clock_info[0].flags |=
+                                                        RADEON_PM_MODE_NO_DISPLAY;
                                         }
                                         state_index++;
                                         break;
@@ -1734,7 +1743,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                 rdev->pm.power_state[state_index - 1].default_clock_mode =
                                         &rdev->pm.power_state[state_index - 1].clock_info[0];
                                 rdev->pm.power_state[state_index].flags &=
-                                        ~RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                        ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                 rdev->pm.power_state[state_index].misc = 0;
                                 rdev->pm.power_state[state_index].misc2 = 0;
                         }
@@ -1881,7 +1890,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                         rdev->pm.power_state[state_index].flags = 0;
                                         if (misc & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
                                                 rdev->pm.power_state[state_index].flags |=
-                                                        RADEON_PM_SINGLE_DISPLAY_ONLY;
+                                                        RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                                         if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
                                                 rdev->pm.power_state[state_index].type =
                                                         POWER_STATE_TYPE_DEFAULT;
@@ -1892,6 +1901,12 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                         state_index++;
                                 }
                         }
+                        /* if multiple clock modes, mark the lowest as no display */
+                        for (i = 0; i < state_index; i++) {
+                                if (rdev->pm.power_state[i].num_clock_modes > 1)
+                                        rdev->pm.power_state[i].clock_info[0].flags |=
+                                                RADEON_PM_MODE_NO_DISPLAY;
+                        }
                         /* first mode is usually default */
                         if (rdev->pm.default_power_state_index == -1) {
                                 rdev->pm.power_state[0].type =
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index c22344b7fc5..93f18bbf744 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2437,7 +2437,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
                         if (rev > 6)
                                 rdev->pm.power_state[state_index].pcie_lanes =
                                         RBIOS8(offset + 0x5 + 0x10);
-                        rdev->pm.power_state[state_index].flags = RADEON_PM_SINGLE_DISPLAY_ONLY;
+                        rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
                         state_index++;
                 } else {
                         /* XXX figure out some good default low power mode for mobility cards w/out power tables */
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 7701d42c480..e1e5255396a 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -314,6 +314,9 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
 
         switch (mode) {
         case DRM_MODE_DPMS_ON:
+                radeon_crtc->enabled = true;
+                /* adjust pm to dpms changes BEFORE enabling crtcs */
+                radeon_pm_compute_clocks(rdev);
                 if (radeon_crtc->crtc_id)
                         WREG32_P(RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_EN, ~(RADEON_CRTC2_EN | mask));
                 else {
@@ -323,7 +326,6 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
                 }
                 drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
                 radeon_crtc_load_lut(crtc);
-                radeon_crtc->enabled = true;
                 break;
         case DRM_MODE_DPMS_STANDBY:
         case DRM_MODE_DPMS_SUSPEND:
@@ -337,11 +339,10 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
                         WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask);
                 }
                 radeon_crtc->enabled = false;
+                /* adjust pm to dpms changes AFTER disabling crtcs */
+                radeon_pm_compute_clocks(rdev);
                 break;
         }
-
-        /* adjust pm to dpms change */
-        radeon_pm_compute_clocks(rdev);
 }
 
 int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 1ee7fc9918a..0dfa508fe5f 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -58,7 +58,7 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch)
 {
         int i;
 
-        if (!static_switch)
+        if (rdev->pm.state != PM_STATE_DISABLED)
                 radeon_get_power_state(rdev, rdev->pm.planned_action);
 
         mutex_lock(&rdev->ddev->struct_mutex);
@@ -147,8 +147,11 @@ static ssize_t radeon_set_power_state_static(struct device *dev,
         mutex_lock(&rdev->pm.mutex);
         if ((ps >= 0) && (ps < rdev->pm.num_power_states) &&
             (cm >= 0) && (cm < rdev->pm.power_state[ps].num_clock_modes)) {
-                if ((rdev->pm.active_crtc_count > 1) &&
-                    (rdev->pm.power_state[ps].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)) {
+                if ((rdev->pm.active_crtc_count > 0) &&
+                    (rdev->pm.power_state[ps].clock_info[cm].flags & RADEON_PM_MODE_NO_DISPLAY)) {
+                        DRM_ERROR("Invalid power state for display: %d.%d\n", ps, cm);
+                } else if ((rdev->pm.active_crtc_count > 1) &&
+                           (rdev->pm.power_state[ps].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)) {
                         DRM_ERROR("Invalid power state for multi-head: %d.%d\n", ps, cm);
                 } else {
                         /* disable dynpm */
@@ -248,7 +251,7 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
                          is_default ? "(default)" : "");
                 if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
                         DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].pcie_lanes);
-                if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+                if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
                         DRM_INFO("\tSingle display only\n");
                 DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);
                 for (j = 0; j < rdev->pm.power_state[i].num_clock_modes; j++) {
@@ -261,6 +264,8 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
                                          j,
                                          rdev->pm.power_state[i].clock_info[j].sclk * 10,
                                          rdev->pm.power_state[i].clock_info[j].mclk * 10);
+                        if (rdev->pm.power_state[i].clock_info[j].flags & RADEON_PM_MODE_NO_DISPLAY)
+                                DRM_INFO("\t\tNo display only\n");
                 }
         }
 }
@@ -318,7 +323,7 @@ void radeon_pm_fini(struct radeon_device *rdev)
                 /* reset default clocks */
                 rdev->pm.state = PM_STATE_DISABLED;
                 rdev->pm.planned_action = PM_ACTION_DEFAULT;
-                radeon_pm_set_clocks(rdev, false);
+                radeon_pm_set_clocks(rdev, true);
         } else if ((rdev->pm.current_power_state_index !=
                     rdev->pm.default_power_state_index) ||
                    (rdev->pm.current_clock_mode_index != 0)) {
@@ -342,9 +347,6 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
         struct drm_crtc *crtc;
         struct radeon_crtc *radeon_crtc;
 
-        if (rdev->pm.state == PM_STATE_DISABLED)
-                return;
-
         mutex_lock(&rdev->pm.mutex);
 
         rdev->pm.active_crtcs = 0;
@@ -358,13 +360,22 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
                 }
         }
 
+        if (rdev->pm.state == PM_STATE_DISABLED) {
+                mutex_unlock(&rdev->pm.mutex);
+                return;
+        }
+
+        /* Note, radeon_pm_set_clocks is called with static_switch set
+         * to true since we always want to statically set the clocks,
+         * not wait for vbl.
+         */
         if (rdev->pm.active_crtc_count > 1) {
                 if (rdev->pm.state == PM_STATE_ACTIVE) {
                         cancel_delayed_work(&rdev->pm.idle_work);
 
                         rdev->pm.state = PM_STATE_PAUSED;
-                        rdev->pm.planned_action = PM_ACTION_UPCLOCK;
-                        radeon_pm_set_clocks(rdev, false);
+                        rdev->pm.planned_action = PM_ACTION_DEFAULT;
+                        radeon_pm_set_clocks(rdev, true);
 
                         DRM_DEBUG("radeon: dynamic power management deactivated\n");
                 }
@@ -374,7 +385,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
                 if (rdev->pm.state == PM_STATE_MINIMUM) {
                         rdev->pm.state = PM_STATE_ACTIVE;
                         rdev->pm.planned_action = PM_ACTION_UPCLOCK;
-                        radeon_pm_set_clocks(rdev, false);
+                        radeon_pm_set_clocks(rdev, true);
 
                         queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
                                 msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
@@ -390,7 +401,7 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
 
                         rdev->pm.state = PM_STATE_MINIMUM;
                         rdev->pm.planned_action = PM_ACTION_MINIMUM;
-                        radeon_pm_set_clocks(rdev, false);
+                        radeon_pm_set_clocks(rdev, true);
                 }
         }
 
@@ -526,6 +537,9 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
                         }
                 }
 
+                /* Note, radeon_pm_set_clocks is called with static_switch set
+                 * to false since we want to wait for vbl to avoid flicker.
+                 */
                 if (rdev->pm.planned_action != PM_ACTION_NONE &&
                     jiffies > rdev->pm.action_timeout) {
                         radeon_pm_set_clocks(rdev, false);