blob: 401d6f0f4bff59b285a144be2fc000c85c5a51c8 [file] [log] [blame]
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 26 Sep 2016 15:32:50 -0400
Subject: 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>
---
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 */