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authorDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>2020-05-22 11:36:27 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-07-01 01:59:20 -0400
commited8ec123a12fb804d3e2aa854434076bea22724c (patch)
treea16e3e8f577f7646cccddb045756b0b259f123df /drivers/gpu/drm/amd/display/dc/dcn20
parentdrm/amd/display: runtime select dmub emulatior. (diff)
downloadlinux-dev-ed8ec123a12fb804d3e2aa854434076bea22724c.tar.xz
linux-dev-ed8ec123a12fb804d3e2aa854434076bea22724c.zip
drm/amd/display: remove unnecessary mpcc updates
We were updating mpcc if there were tree changes which is unnecessary since any mpcc being added or removed will automatically update the tree. Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 65e83fdd7b44..db57cb619a0c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1265,14 +1265,13 @@ static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx
if (old_pipe->stream_res.tg != new_pipe->stream_res.tg)
new_pipe->update_flags.bits.tg_changed = 1;
- /* Detect mpcc blending changes, only dpp inst and bot matter here */
+ /*
+ * Detect mpcc blending changes, only dpp inst and opp matter here,
+ * mpccs getting removed/inserted update connected ones during their own
+ * programming
+ */
if (old_pipe->plane_res.dpp != new_pipe->plane_res.dpp
- || old_pipe->stream_res.opp != new_pipe->stream_res.opp
- || (!old_pipe->bottom_pipe && new_pipe->bottom_pipe)
- || (old_pipe->bottom_pipe && !new_pipe->bottom_pipe)
- || (old_pipe->bottom_pipe && new_pipe->bottom_pipe
- && old_pipe->bottom_pipe->plane_res.mpcc_inst
- != new_pipe->bottom_pipe->plane_res.mpcc_inst))
+ || old_pipe->stream_res.opp != new_pipe->stream_res.opp)
new_pipe->update_flags.bits.mpcc = 1;
/* Detect dppclk change */