Commit 0ab44b5d authored by Alvin Lee's avatar Alvin Lee Committed by Jialin Zhang
Browse files

drm/amd/display: For stereo keep "FLIP_ANY_FRAME"

stable inclusion
from stable-v5.10.141
commit 4e5e67b13a040baff5ec265ae32b754e4776d723
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I685FC

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=4e5e67b13a040baff5ec265ae32b754e4776d723



--------------------------------

[ Upstream commit 84ef99c7 ]

[Description]
Observed in stereomode that programming FLIP_LEFT_EYE
can cause hangs. Keep FLIP_ANY_FRAME in stereo mode so
the surface flip can take place before left or right eye

Reviewed-by: default avatarMartin Leung <Martin.Leung@amd.com>
Acked-by: default avatarTom Chung <chiahsuan.chung@amd.com>
Signed-off-by: default avatarAlvin Lee <alvin.lee2@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent aefb6ed3
Loading
Loading
Loading
Loading
+1 −1
Original line number Diff line number Diff line
@@ -86,7 +86,7 @@ bool hubp3_program_surface_flip_and_addr(
			VMID, address->vmid);

	if (address->type == PLN_ADDR_TYPE_GRPH_STEREO) {
		REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0x1);
		REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0);
		REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 0x1);

	} else {