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Subject[PATCH AUTOSEL 5.2 17/76] drm/amd/display: Clock does not lower in Updateplanes
Date
From: Murton Liu <murton.liu@amd.com>

[ Upstream commit 492d9ec244923420af96db6b69ad7d575859aa92 ]

[why]
We reset the optimized_required in atomic_plane_disable
flag immediately after it is set in atomic_plane_disconnect, causing us to
never have flag set during next flip in UpdatePlanes.

[how]
Optimize directly after each time plane is removed.

Signed-off-by: Murton Liu <murton.liu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@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/dcn10/dcn10_hw_sequencer.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 9e4d70a0055e1..c7b4c3048b71d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2416,6 +2416,12 @@ static void dcn10_apply_ctx_for_surface(
if (removed_pipe[i])
dcn10_disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);

+ for (i = 0; i < dc->res_pool->pipe_count; i++)
+ if (removed_pipe[i]) {
+ dc->hwss.optimize_bandwidth(dc, context);
+ break;
+ }
+
if (dc->hwseq->wa.DEGVIDCN10_254)
hubbub1_wm_change_req_wa(dc->res_pool->hubbub);
}
--
2.20.1
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