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author | Alex Deucher <alexander.deucher@amd.com> | 2013-07-08 18:15:11 +0200 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2013-07-08 23:41:11 +0200 |
commit | f4dec31861e938267d41a962f145edc7d81c8e92 (patch) | |
tree | 897575f0e233182232512d0eecf9d7d36d88b55a /drivers/gpu/drm/radeon/si_dpm.c | |
parent | drm/radeon/dpm: implement vblank_too_short callback for cayman (diff) | |
download | linux-f4dec31861e938267d41a962f145edc7d81c8e92.tar.xz linux-f4dec31861e938267d41a962f145edc7d81c8e92.zip |
drm/radeon/dpm: implement vblank_too_short callback for si
Check if we can switch the mclk during the vblank time otherwise
we may get artifacts on the screen when the mclk changes.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/si_dpm.c')
-rw-r--r-- | drivers/gpu/drm/radeon/si_dpm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 700a167be369..73aaa2e4c312 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2906,7 +2906,8 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, u16 vddc, vddci; int i; - if (rdev->pm.dpm.new_active_crtc_count > 1) + if ((rdev->pm.dpm.new_active_crtc_count > 1) || + ni_dpm_vblank_too_short(rdev)) disable_mclk_switching = true; else disable_mclk_switching = false; |