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| author | Alex Deucher <alexander.deucher@amd.com> | 2016-09-26 15:32:50 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-07 15:23:40 +0200 |
| commit | 75e5de50532f91b166d9340a128ffc4752da657f (patch) | |
| tree | 15063d9bb3e421f6ef41564a0e8491972b843f61 /drivers/gpu | |
| parent | a2898f8526d17f9ead10544d6654f906a315ad6a (diff) | |
| download | lwn-75e5de50532f91b166d9340a128ffc4752da657f.tar.gz lwn-75e5de50532f91b166d9340a128ffc4752da657f.zip | |
drm/radeon/si/dpm: add workaround for for Jet parts
commit 670bb4fd21c966d0d2a59ad4a99bb4889f9a2987 upstream.
Add clock quirks for Jet parts.
Reviewed-by: Sonny Jiang <sonny.jiang@amd.com>
Tested-by: Sonny Jiang <sonny.jiang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/si_dpm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index caa73de584a5..3aaa07dafc00 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -3015,6 +3015,12 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, if (rdev->pdev->device == 0x6811 && rdev->pdev->revision == 0x81) max_mclk = 120000; + /* limit sclk/mclk on Jet parts for stability */ + if (rdev->pdev->device == 0x6665 && + rdev->pdev->revision == 0xc3) { + max_sclk = 75000; + max_mclk = 80000; + } if (rps->vce_active) { rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk; |