diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0887-drm-amd-display-Program-dithering-if-requested.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0887-drm-amd-display-Program-dithering-if-requested.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0887-drm-amd-display-Program-dithering-if-requested.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0887-drm-amd-display-Program-dithering-if-requested.patch new file mode 100644 index 00000000..baa8311d --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0887-drm-amd-display-Program-dithering-if-requested.patch @@ -0,0 +1,52 @@ +From ad20e00200d50bdfe6bd47e77e88e6304614e429 Mon Sep 17 00:00:00 2001 +From: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com> +Date: Wed, 7 Nov 2018 14:59:41 -0500 +Subject: [PATCH 0887/2940] drm/amd/display: Program dithering if requested + +Dithering needs to be enabled or disabled as requested. If +dc_stream_update->dither_option is non-null, program the FMT blocks. + +Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com> +Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> +Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 8 ++++++++ + drivers/gpu/drm/amd/display/dc/dc_stream.h | 1 + + 2 files changed, 9 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index 2d3fa8e792d8..30fd7b792ef9 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -1463,6 +1463,14 @@ static void commit_planes_do_stream_update(struct dc *dc, + if (stream_update->output_csc_transform) + dc_stream_program_csc_matrix(dc, stream); + ++ if (stream_update->dither_option) { ++ resource_build_bit_depth_reduction_params(pipe_ctx->stream, ++ &pipe_ctx->stream->bit_depth_params); ++ pipe_ctx->stream_res.opp->funcs->opp_program_fmt(pipe_ctx->stream_res.opp, ++ &stream->bit_depth_params, ++ &stream->clamping); ++ } ++ + /* Full fe update*/ + if (update_type == UPDATE_TYPE_FAST) + continue; +diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h +index 0c42418b0b3d..be34d638e15d 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h ++++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h +@@ -136,6 +136,7 @@ struct dc_stream_update { + + struct colorspace_transform *gamut_remap; + enum dc_color_space *output_color_space; ++ enum dc_dither_option *dither_option; + + struct dc_csc_transform *output_csc_transform; + +-- +2.17.1 + |