Messages in this thread Patch in this message | | | From | Ben Hutchings <> | Date | Mon, 14 Nov 2016 00:14:20 +0000 | Subject | [PATCH 3.16 323/346] drm/radeon/si/dpm: add workaround for for Jet parts |
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3.16.39-rc1 review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexander.deucher@amd.com>
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> --- drivers/gpu/drm/radeon/si_dpm.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- 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( 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 */
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