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From abfb30be0bebf7a56e38fabe6ed8affcb2cbabf4 Mon Sep 17 00:00:00 2001
From: Matthew Schwartz <mattschwartz@gwu.edu>
Date: Thu, 1 Aug 2024 19:05:58 -0700
Subject: [PATCH 0/2] drm/amd/display: Collection of DCN reverts for Vangogh/7900XTX
Seems like the entire MPO/MPC pipeline is borked in gamescope-session,
causing artifacts when the pipeline splits for overlay planes
For now, let's just revert these ourselves while AMD investigates.
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠔⢠⣄⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡠⠄⠂⠉⢀⣀⠀⠀⠉⡀
⠀⠀⠀⠀⠀⠀⢀⠀⠤⠀⠒⠀⠉⠀⠀⠀⠀⠀⡻⠋⢱⠀⠀⠇
⠀⠀⡀⢀⠔⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⠒⠁⢀⠞⠀
⢸⠁⠀⡎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠄⠀⠀⢀⠴⠃⠀⠀
⠈⠑⠦⠀⠀⠀⠀⠀⠤⢀⠀⠀⠀⠀⡠⠂⠀⢀⠖⠁⠀⠀⠀⠀
⢀⠤⠒⠈⠉⠉⠀⠒⠂⠠⠌⠢⣀⣰⠀⠀⠀⡊⠀⢀⣀⡀⠀⠀
⠣⡀⠀⢀⡀⠀⠀⠀⠀⠀⠀⢀⣸⠝⣤⡀⠀⠀⠉⠀⠈⣧⠒⣢
⠀⠈⠒⠤⠬⣉⣀⠀⠀⠀⠉⢀⣙⠛⠾⡀⠉⠐⠒⠀⠐⠛⠂⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠉⠑⠢⢌⣀⠉⠐⠚⠀⠀⠀⠀⠀⠀⠀⠀
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3441
Signed-off-by: Matthew Schwartz <mattschwartz@gwu.edu>
Matthew Schwartz (2):
Revert "drm/amd/display: Set MPC_SPLIT_DYNAMIC for DCN301"
Revert "drm/amd/display: reenable windowed mpo odm support on dcn32
and dcn321"
.../gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c | 2 +-
drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c | 1 -
.../gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c | 2 +-
3 files changed, 2 insertions(+), 3 deletions(-)
--
2.45.2
From 113462faa9fb383df2c11638f1c90656a054b2c8 Mon Sep 17 00:00:00 2001
From: Matthew Schwartz <mattschwartz@gwu.edu>
Date: Thu, 1 Aug 2024 19:03:53 -0700
Subject: [PATCH 1/2] Revert "drm/amd/display: Set MPC_SPLIT_DYNAMIC for
DCN301"
This reverts commit 75b204ee6cac4595cc663daf59b40162bbf411fb.
---
.../gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c
index 7d04739c3ba1..a6193d4d00fa 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn301/dcn301_resource.c
@@ -689,7 +689,7 @@ static const struct dc_debug_options debug_defaults_drv = {
.disable_clock_gate = true,
.disable_pplib_clock_request = true,
.disable_pplib_wm_range = true,
- .pipe_split_policy = MPC_SPLIT_DYNAMIC,
+ .pipe_split_policy = MPC_SPLIT_AVOID,
.force_single_disp_pipe_split = false,
.disable_dcc = DCC_ENABLE,
.vsr_support = true,
--
2.45.2
From abfb30be0bebf7a56e38fabe6ed8affcb2cbabf4 Mon Sep 17 00:00:00 2001
From: Matthew Schwartz <mattschwartz@gwu.edu>
Date: Thu, 1 Aug 2024 19:04:26 -0700
Subject: [PATCH 2/2] Revert "drm/amd/display: reenable windowed mpo odm
support on dcn32 and dcn321"
This reverts commit 34241dc665cf21bc628f1fea2249adb10010dfc0.
---
drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c | 1 -
.../gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c | 2 +-
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
index 969658313fd6..934e5a3ac6bc 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
@@ -2219,7 +2219,6 @@ static bool dcn32_resource_construct(
dc->config.use_pipe_ctx_sync_logic = true;
dc->config.dc_mode_clk_limit_support = true;
- dc->config.enable_windowed_mpo_odm = true;
/* read VBIOS LTTPR caps */
{
if (ctx->dc_bios->funcs->get_lttpr_caps) {
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
index 9a3cc0514a36..adde6c7b09f6 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c
@@ -1779,7 +1779,7 @@ static bool dcn321_resource_construct(
dc->caps.color.mpc.ocsc = 1;
dc->config.dc_mode_clk_limit_support = true;
- dc->config.enable_windowed_mpo_odm = true;
+ dc->config.enable_windowed_mpo_odm = false;
/* read VBIOS LTTPR caps */
{
if (ctx->dc_bios->funcs->get_lttpr_caps) {
--
2.45.2
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