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(parent: 2ae5f6c) | patch
drm/radeon: work around a hw bug in MGCG on CIK
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 17 Nov 2014 20:08:17 +0000 (15:08 -0500)
committerJiri Slaby <jslaby@suse.cz>
Mon, 26 Jan 2015 13:39:24 +0000 (14:39 +0100)
commit5d531ee5e76b84da1c114dddd9077d1e3a2d1ff7
tree181ad8839879092d724dae1fdef0cf37ef5f56f9tree | snapshot
parent2ae5f6c0b469c5eb92716f583b8d10f76f68a0b8commit | diff
drm/radeon: work around a hw bug in MGCG on CIK

commit 4bb62c95a7e781a238b2ab374f34b1bf91e01ddc upstream.

Always need to set bit 0 of RLC_CGTT_MGCG_OVERRIDE
to avoid unreliable doorbell updates in some cases.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
drivers/gpu/drm/radeon/cik.c diff | blob | blame | history
Michael's Linux tree.