diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0643-drm-amd-display-fix-locking-in-apply_ctx_for_surface.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0643-drm-amd-display-fix-locking-in-apply_ctx_for_surface.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0643-drm-amd-display-fix-locking-in-apply_ctx_for_surface.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0643-drm-amd-display-fix-locking-in-apply_ctx_for_surface.patch new file mode 100644 index 00000000..ef323bb8 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0643-drm-amd-display-fix-locking-in-apply_ctx_for_surface.patch @@ -0,0 +1,37 @@ +From 8a6f316e0bacf8651999db510590e16a87c0e040 Mon Sep 17 00:00:00 2001 +From: Eric Yang <Eric.Yang2@amd.com> +Date: Thu, 20 Jul 2017 16:17:17 -0400 +Subject: [PATCH 0643/4131] drm/amd/display: fix locking in + apply_ctx_for_surface + +Signed-off-by: Eric Yang <Eric.Yang2@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +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 d607ca9..6db78d9 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 +@@ -1696,8 +1696,14 @@ static void dcn10_apply_ctx_for_surface( + */ + + if (pipe_ctx->surface && !old_pipe_ctx->surface) { +- if (pipe_ctx->mpcc->opp_id != 0xf && pipe_ctx->tg->inst == be_idx) ++ if (pipe_ctx->mpcc->opp_id != 0xf && pipe_ctx->tg->inst == be_idx) { + dcn10_power_down_fe(dc, pipe_ctx->pipe_idx); ++ /* ++ * power down fe will unlock when calling reset, need ++ * to lock it back here. Messy, need rework. ++ */ ++ pipe_ctx->tg->funcs->lock(pipe_ctx->tg); ++ } + } + + +-- +2.7.4 + |