From: Alvin Lee <alvin.l...@amd.com>

[ Upstream commit 84ef99c728079dfd21d6bc70b4c3e4af20602b3c ]

[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: Martin Leung <martin.le...@amd.com>
Acked-by: Tom Chung <chiahsuan.ch...@amd.com>
Signed-off-by: Alvin Lee <alvin.l...@amd.com>
Tested-by: Daniel Wheeler <daniel.whee...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c 
b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
index 6a4dcafb9bba..dc3e8df706b3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c
@@ -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 {
-- 
2.35.1

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