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authorDillon Varone <Dillon.Varone@amd.com>2022-09-23 20:00:09 +0200
committerAlex Deucher <alexander.deucher@amd.com>2022-10-06 18:02:17 +0200
commit3f4dee59253a6882acde98a2a027e55f1330ae86 (patch)
tree6f8527819f2775cacda2ee12b180cb69c238def0
parentdrm/amd/display: Adding missing HDMI ACP SEND register (diff)
downloadlinux-3f4dee59253a6882acde98a2a027e55f1330ae86.tar.xz
linux-3f4dee59253a6882acde98a2a027e55f1330ae86.zip
drm/amd/display: Fix merging dynamic ODM+MPO configs on DCN32
[WHY&HOW?] When merging ODM pipes that are using MPO, we must copy the stream_res from the new top pipe to the bottom pipe so that the overlayed plane is not pointing to the wrong stream assets. Reviewed-by: Martin Leung <Martin.Leung@amd.com> Reviewed-by: Jun Lei <Jun.Lei@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Dillon Varone <Dillon.Varone@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index a56ee04f7df9..f3f98e9a0ce6 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -1598,6 +1598,9 @@ bool dcn32_internal_validate_bw(struct dc *dc,
/*MPC split rules will handle this case*/
pipe->bottom_pipe->top_pipe = NULL;
} else {
+ /* when merging an ODM pipes, the bottom MPC pipe must now point to
+ * the previous ODM pipe and its associated stream assets
+ */
if (pipe->prev_odm_pipe->bottom_pipe) {
/* 3 plane MPO*/
pipe->bottom_pipe->top_pipe = pipe->prev_odm_pipe->bottom_pipe;
@@ -1607,6 +1610,8 @@ bool dcn32_internal_validate_bw(struct dc *dc,
pipe->bottom_pipe->top_pipe = pipe->prev_odm_pipe;
pipe->prev_odm_pipe->bottom_pipe = pipe->bottom_pipe;
}
+
+ memcpy(&pipe->bottom_pipe->stream_res, &pipe->bottom_pipe->top_pipe->stream_res, sizeof(struct stream_resource));
}
}