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-rw-r--r--drivers/gpu/drm/radeon/radeon.h3
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c12
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 572476b61d89..869465aafbc5 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -252,6 +252,7 @@ struct radeon_clock {
* Power management
*/
int radeon_pm_init(struct radeon_device *rdev);
+int radeon_pm_late_init(struct radeon_device *rdev);
void radeon_pm_fini(struct radeon_device *rdev);
void radeon_pm_compute_clocks(struct radeon_device *rdev);
void radeon_pm_suspend(struct radeon_device *rdev);
@@ -1780,6 +1781,7 @@ struct radeon_asic {
int (*init)(struct radeon_device *rdev);
void (*setup_asic)(struct radeon_device *rdev);
int (*enable)(struct radeon_device *rdev);
+ int (*late_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);
@@ -2655,6 +2657,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v);
#define radeon_dpm_init(rdev) rdev->asic->dpm.init((rdev))
#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_late_enable(rdev) rdev->asic->dpm.late_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))
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 384758d011e4..d4e5bcfeb77d 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1288,6 +1288,18 @@ int radeon_pm_init(struct radeon_device *rdev)
return radeon_pm_init_old(rdev);
}
+int radeon_pm_late_init(struct radeon_device *rdev)
+{
+ int ret = 0;
+
+ if (rdev->pm.pm_method == PM_METHOD_DPM) {
+ mutex_lock(&rdev->pm.mutex);
+ ret = radeon_dpm_late_enable(rdev);
+ mutex_unlock(&rdev->pm.mutex);
+ }
+ return ret;
+}
+
static void radeon_pm_fini_old(struct radeon_device *rdev)
{
if (rdev->pm.num_power_states > 1) {