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Commit 57700ad1 authored by Alex Deucher's avatar Alex Deucher Committed by Christian König
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drm/radeon: disable mclk dpm on R7 260X 

Setting higher mclks seems to cause stability issues
on some R7 260X boards.  Disable it for now for stability
until we find a proper fix.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=75992



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 5df5242d

drivers/gpu/drm/radeon/ci_dpm.c

+4 −0
Original line number Diff line number Diff line
@@ -5146,6 +5146,10 @@ int ci_dpm_init(struct radeon_device *rdev) 
	pi->mclk_dpm_key_disabled = 0;

	pi->pcie_dpm_key_disabled = 0;



	/* mclk dpm is unstable on some R7 260X cards */

	if (rdev->pdev->device == 0x6658)

		pi->mclk_dpm_key_disabled = 1;



	pi->caps_sclk_ds = true;



	pi->mclk_strobe_mode_threshold = 40000;