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Subject[PATCH 4.19 244/276] drm/amd/display: fix releasing planes when exiting odm
Date
[ Upstream commit bc2193992b00488f5734613ac95b78ef2d2803ab ]

Releasing planes should not release the 2nd odm pipe right away,
this change leaves us with 2 pipes with null planes and same stream
when planes are released during odm.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@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_resource.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 87bf422f16be7..e0a96abb3c46c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1401,10 +1401,12 @@ bool dc_remove_plane_from_context(
* For head pipe detach surfaces from pipe for tail
* pipe just zero it out
*/
- if (!pipe_ctx->top_pipe) {
+ if (!pipe_ctx->top_pipe ||
+ (!pipe_ctx->top_pipe->top_pipe &&
+ pipe_ctx->top_pipe->stream_res.opp != pipe_ctx->stream_res.opp)) {
pipe_ctx->plane_state = NULL;
pipe_ctx->bottom_pipe = NULL;
- } else {
+ } else {
memset(pipe_ctx, 0, sizeof(*pipe_ctx));
}
}
--
2.20.1


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