aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3028-drm-amd-display-Clock-does-not-lower-in-Updateplanes.patch
blob: 109102f6e6561ab919ab376ec207c2b12a94a7f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
From 287ff50c3bd0ff28fb7d305e294f3077bd35e653 Mon Sep 17 00:00:00 2001
From: Murton Liu <murton.liu@amd.com>
Date: Mon, 10 Jun 2019 17:55:28 -0400
Subject: [PATCH 3028/4256] drm/amd/display: Clock does not lower in
 Updateplanes

[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>
---
 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 af5f6a3dd61f..15ac6de3fd30 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
@@ -2514,6 +2514,12 @@ 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);
 }
-- 
2.17.1