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| author | Alex Deucher <alexander.deucher@amd.com> | 2016-09-26 15:32:50 -0400 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2016-11-20 01:17:35 +0000 |
| commit | 4a160ae9afaa1946269bb062e209f81137f8f082 (patch) | |
| tree | b1b2d878c4afde957d656cca5797ad4b30a89b2f | |
| parent | 0406c74e0c9edfb41c4efc021734820290aaa45a (diff) | |
| download | lwn-4a160ae9afaa1946269bb062e209f81137f8f082.tar.gz lwn-4a160ae9afaa1946269bb062e209f81137f8f082.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: Ben Hutchings <ben@decadent.org.uk>
| -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 92d849e68f14..12527d69877c 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -3022,6 +3022,12 @@ 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; + } /* XXX validate the min clocks required for display */ |