diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 11 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index a0ab625553ea..c5d83c145cc7 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1615,7 +1615,9 @@ struct radeon_asic { void (*setup_asic)(struct radeon_device *rdev); int (*enable)(struct radeon_device *rdev); void (*disable)(struct radeon_device *rdev); + int (*pre_set_power_state)(struct radeon_device *rdev); int (*set_power_state)(struct radeon_device *rdev); + void (*post_set_power_state)(struct radeon_device *rdev); void (*display_configuration_changed)(struct radeon_device *rdev); void (*fini)(struct radeon_device *rdev); u32 (*get_sclk)(struct radeon_device *rdev, bool low); @@ -2328,7 +2330,9 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v); #define radeon_dpm_setup_asic(rdev) rdev->asic->dpm.setup_asic((rdev)) #define radeon_dpm_enable(rdev) rdev->asic->dpm.enable((rdev)) #define radeon_dpm_disable(rdev) rdev->asic->dpm.disable((rdev)) +#define radeon_dpm_pre_set_power_state(rdev) rdev->asic->dpm.pre_set_power_state((rdev)) #define radeon_dpm_set_power_state(rdev) rdev->asic->dpm.set_power_state((rdev)) +#define radeon_dpm_post_set_power_state(rdev) rdev->asic->dpm.post_set_power_state((rdev)) #define radeon_dpm_display_configuration_changed(rdev) rdev->asic->dpm.display_configuration_changed((rdev)) #define radeon_dpm_fini(rdev) rdev->asic->dpm.fini((rdev)) #define radeon_dpm_get_sclk(rdev, l) rdev->asic->dpm.get_sclk((rdev), (l)) diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 7143c914fc84..4e2ccc6b75fb 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -700,6 +700,7 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) int i; struct radeon_ps *ps; enum radeon_pm_state_type dpm_state; + int ret; /* if dpm init failed */ if (!rdev->pm.dpm_enabled) @@ -766,6 +767,12 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) down_write(&rdev->pm.mclk_lock); mutex_lock(&rdev->ring_lock); + if (rdev->asic->dpm.pre_set_power_state) { + ret = radeon_dpm_pre_set_power_state(rdev); + if (ret) + goto done; + } + /* update display watermarks based on new power state */ radeon_bandwidth_update(rdev); /* update displays */ @@ -787,6 +794,10 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev) /* update current power state */ rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps; + if (rdev->asic->dpm.post_set_power_state) + radeon_dpm_post_set_power_state(rdev); + +done: mutex_unlock(&rdev->ring_lock); up_write(&rdev->pm.mclk_lock); mutex_unlock(&rdev->ddev->struct_mutex); |