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| author |   Alex Deucher <alexdeucher@gmail.com> | 2014-04-10 22:29:03 -0400 |
|---|---|---|
| committer |   Christian König <christian.koenig@amd.com> | 2014-04-17 13:59:36 +0200 |
| commit | 57700ad1f2f21d5d7ab7ee0e58d11b5954852434 (patch) | |
| tree | aa4e4efdf34cffd4378ce57c558ce02aebcfda98 /drivers/gpu/drm/radeon/ci_dpm.c | |
| parent | Merge tag 'drm-intel-fixes-2014-04-11' of git://anongit.freedesktop.org/drm-intel into drm-next (diff) | |
| download | linux-dev-57700ad1f2f21d5d7ab7ee0e58d11b5954852434.tar.xz linux-dev-57700ad1f2f21d5d7ab7ee0e58d11b5954852434.zip | |
drm/radeon: disable mclk dpm on R7 260X
Setting higher mclks seems to cause stability issues
on some R7 260X boards. Disable it for now for stability
until we find a proper fix.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=75992
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/ci_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ci_dpm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index cad89a977527..6d395ec25c13 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -5146,6 +5146,10 @@ int ci_dpm_init(struct radeon_device *rdev) pi->mclk_dpm_key_disabled = 0; pi->pcie_dpm_key_disabled = 0; + /* mclk dpm is unstable on some R7 260X cards */ + if (rdev->pdev->device == 0x6658) + pi->mclk_dpm_key_disabled = 1; + pi->caps_sclk_ds = true; pi->mclk_strobe_mode_threshold = 40000; |