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-rw-r--r--drivers/gpu/drm/radeon/r100.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 7675827c3a8d..87c4ffaf545e 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -188,9 +188,13 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
#endif
radeon_pm_finish(rdev);
} else {
+ radeon_sync_with_vblank(rdev);
+
+ if (!radeon_pm_in_vbl(rdev))
+ return;
+
/* set engine clock */
if (sclk != rdev->pm.current_sclk) {
- radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_set_engine_clock(rdev, sclk);
radeon_pm_debug_check_in_vbl(rdev, true);
@@ -198,10 +202,8 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
DRM_INFO("Setting: e: %d\n", sclk);
}
-#if 0
/* set memory clock */
if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
- radeon_sync_with_vblank(rdev);
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_pm_prepare(rdev);
radeon_set_memory_clock(rdev, mclk);
@@ -210,7 +212,6 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
rdev->pm.current_mclk = mclk;
DRM_INFO("Setting: m: %d\n", mclk);
}
-#endif
}
rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;