[PATCH 7/9] drm/radeon/kms/pm: add support for no display power states
Alex Deucher
alexdeucher at gmail.com
Fri May 7 14:16:18 PDT 2010
The lowest power states often cause display problems, so only enable
them when all displays are off.
Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 9 +++---
drivers/gpu/drm/radeon/r100.c | 12 ++++++--
drivers/gpu/drm/radeon/r600.c | 20 ++++++++++++--
drivers/gpu/drm/radeon/radeon.h | 7 +++-
drivers/gpu/drm/radeon/radeon_atombios.c | 37 ++++++++++++++++++--------
drivers/gpu/drm/radeon/radeon_combios.c | 2 +-
drivers/gpu/drm/radeon/radeon_legacy_crtc.c | 9 +++---
drivers/gpu/drm/radeon/radeon_pm.c | 38 ++++++++++++++++++--------
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 4151ad8..03dd6c4 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 14b7541..4161a35 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 75c825c..08a328c 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 e39e2b4..480a83f 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 7968d61..78e53d1 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 b0d58a7..ea34ec5 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2435,7 +2435,7 @@ 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 7701d42..e1e5255 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 1ee7fc9..0dfa508 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);
--
1.5.6.3
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