diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2016-03-28 10:21:20 -0400 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-07-10 23:06:58 -0400 |
| commit | d393b6c7cba4d7e9fd07e0d774e875e6ff0d1dd2 (patch) | |
| tree | cc76047e65ed8d6ff07452c7db67b50e6e8ea56b /drivers | |
| parent | cd18a79a6445fecf42114a9124c5ff23d72201cd (diff) | |
drm/radeon: add a dpm quirk for all R7 370 parts
[ Upstream commit 0e5585dc870af947fab2af96a88c2d8b4270247c ]
Higher mclk values are not stable due to a bug somewhere.
Limit them for now.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/si_dpm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 27e8baed4cc3..f666277a8993 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2960,6 +2960,10 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, } ++p; } + /* limit mclk on all R7 370 parts for stability */ + if (rdev->pdev->device == 0x6811 && + rdev->pdev->revision == 0x81) + max_mclk = 120000; if ((rdev->pm.dpm.new_active_crtc_count > 1) || ni_dpm_vblank_too_short(rdev)) |