diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2750-drm-amd-display-fix-plane-update-prior-to-stream-ena.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2750-drm-amd-display-fix-plane-update-prior-to-stream-ena.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2750-drm-amd-display-fix-plane-update-prior-to-stream-ena.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2750-drm-amd-display-fix-plane-update-prior-to-stream-ena.patch new file mode 100644 index 00000000..faf617a4 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2750-drm-amd-display-fix-plane-update-prior-to-stream-ena.patch @@ -0,0 +1,42 @@ +From 03b8f30e58e5509c70f9f8853fd72f3dab5bea71 Mon Sep 17 00:00:00 2001 +From: Tony Cheng <tony.cheng@amd.com> +Date: Tue, 7 Nov 2017 23:37:49 -0500 +Subject: [PATCH 2750/4131] drm/amd/display: fix plane update prior to stream + enablement + +plane update prior to stream enablement is there to recombine pipe +in case we need free pipe for new display. need to pass in new state +or we will just re-applyingwhat we already have + +Signed-off-by: Tony Cheng <tony.cheng@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/core/dc.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index b0d4927..5ea0bab 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -846,12 +846,14 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c + if (!dcb->funcs->is_accelerated_mode(dcb)) + dc->hwss.enable_accelerated_mode(dc); + +- /* Combine planes if required, in case of pipe split disable */ ++ /* re-program planes for existing stream, in case we need to ++ * free up plane resource for later use ++ */ + for (i = 0; i < dc->current_state->stream_count; i++) { + dc->hwss.apply_ctx_for_surface( + dc, dc->current_state->streams[i], + dc->current_state->stream_status[i].plane_count, +- dc->current_state); ++ context); /* use new pipe config in new context */ + } + + /* Program hardware */ +-- +2.7.4 + |