diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1207-drm-amd-display-determine-if-a-pipe-is-synced-by-pla.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1207-drm-amd-display-determine-if-a-pipe-is-synced-by-pla.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1207-drm-amd-display-determine-if-a-pipe-is-synced-by-pla.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1207-drm-amd-display-determine-if-a-pipe-is-synced-by-pla.patch new file mode 100644 index 00000000..52e1ae06 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1207-drm-amd-display-determine-if-a-pipe-is-synced-by-pla.patch @@ -0,0 +1,56 @@ +From a4761e37aceaf31f4f6f065e114b397a23923f4f Mon Sep 17 00:00:00 2001 +From: Wenjing Liu <Wenjing.Liu@amd.com> +Date: Fri, 18 Jan 2019 18:19:51 -0500 +Subject: [PATCH 1207/2940] drm/amd/display: determine if a pipe is synced by + plane state + +[why] +is_blanked is not a general indicator of if a pipe is synced +for all asics. +plane state is more accurate and applicable for all asics. + +[how] +Remove is_blanked call and +add checking plane_state against NULL instead. + +Change-Id: Ieaef81b60a5fa6ad694f45ff44f9cadc7057f259 +Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index 7ba22006da91..475e270895d7 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -907,11 +907,11 @@ static void program_timing_sync( + } + } + +- /* set first unblanked pipe as master */ ++ /* set first pipe with plane as master */ + for (j = 0; j < group_size; j++) { + struct pipe_ctx *temp; + +- if (pipe_set[j]->stream_res.tg->funcs->is_blanked && !pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg)) { ++ if (pipe_set[j]->plane_state) { + if (j == 0) + break; + +@@ -922,9 +922,9 @@ static void program_timing_sync( + } + } + +- /* remove any other unblanked pipes as they have already been synced */ ++ /* remove any other pipes with plane as they have already been synced */ + for (j = j + 1; j < group_size; j++) { +- if (pipe_set[j]->stream_res.tg->funcs->is_blanked && !pipe_set[j]->stream_res.tg->funcs->is_blanked(pipe_set[j]->stream_res.tg)) { ++ if (pipe_set[j]->plane_state) { + group_size--; + pipe_set[j] = pipe_set[group_size]; + j--; +-- +2.17.1 + |