drm/amd/display: reprogram VM config when system resume
authorLewis Huang <Lewis.Huang@amd.com>
Mon, 22 Jul 2019 19:23:32 +0000 (15:23 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 7 Oct 2019 16:58:56 +0000 (18:58 +0200)
commit97641efe039e316fd33da888d2da31fe7165b063
treedb8028d602bf2c2ca351fecd871469393e2c9ff3
parent075ad48409c18bb88058a24f94b48f508cd8b578
drm/amd/display: reprogram VM config when system resume

[ Upstream commit e5382701c3520b3ed66169a6e4aa6ce5df8c56e0 ]

[Why]
The vm config will be clear to 0 when system enter S4. It will
cause hubbub didn't know how to fetch data when system resume.
The flip always pending because earliest_inuse_address and
request_address are different.

[How]
Reprogram VM config when system resume

Signed-off-by: Lewis Huang <Lewis.Huang@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/amd/display/dc/core/dc.c