From 469bc68e081c25d65f0ce39ecb00ab8cca03a56b Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 26 Sep 2016 15:32:50 -0400 Subject: [PATCH] drm/radeon/si/dpm: add workaround for for Jet parts [ Upstream commit 670bb4fd21c966d0d2a59ad4a99bb4889f9a2987 ] Add clock quirks for Jet parts. Reviewed-by: Sonny Jiang Tested-by: Sonny Jiang Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/radeon/si_dpm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index f666277a8993..ea6da831c1f1 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2964,6 +2964,12 @@ 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 ((rdev->pm.dpm.new_active_crtc_count > 1) || ni_dpm_vblank_too_short(rdev)) -- 2.34.1