diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4259-drm-amd-display-Add-center-mode-for-integer-scaling-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4259-drm-amd-display-Add-center-mode-for-integer-scaling-.patch | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4259-drm-amd-display-Add-center-mode-for-integer-scaling-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4259-drm-amd-display-Add-center-mode-for-integer-scaling-.patch new file mode 100644 index 00000000..18d2ca37 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4259-drm-amd-display-Add-center-mode-for-integer-scaling-.patch @@ -0,0 +1,98 @@ +From 9512f38631a80c41fad301c2a9bd58fe45b35798 Mon Sep 17 00:00:00 2001 +From: Reza Amini <Reza.Amini@amd.com> +Date: Mon, 30 Sep 2019 10:11:24 -0400 +Subject: [PATCH 4259/4736] drm/amd/display: Add center mode for integer + scaling in DC + +[why] +We want to use maximum space on display to show source + +[how] +For Centered Mode: Replicate source as many times as possible to use +maximum of display active space add borders. + +Signed-off-by: Reza Amini <Reza.Amini@amd.com> +Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + .../gpu/drm/amd/display/dc/core/dc_resource.c | 43 +++++++++++++++---- + 1 file changed, 35 insertions(+), 8 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +index 4154f1eedece..e8b16b4acacc 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +@@ -948,7 +948,7 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx) + data->inits.v_c_bot = dc_fixpt_add(data->inits.v_c, data->ratios.vert_c); + + } +-static bool are_rect_integer_multiples(struct rect src, struct rect dest) ++static bool are_rects_integer_multiples(struct rect src, struct rect dest) + { + if (dest.width >= src.width && dest.width % src.width == 0 && + dest.height >= src.height && dest.height % src.height == 0) +@@ -956,6 +956,38 @@ static bool are_rect_integer_multiples(struct rect src, struct rect dest) + + return false; + } ++ ++void calculate_integer_scaling(struct pipe_ctx *pipe_ctx) ++{ ++ if (!pipe_ctx->plane_state->scaling_quality.integer_scaling) ++ return; ++ ++ //for Centered Mode ++ if (pipe_ctx->stream->dst.width == pipe_ctx->stream->src.width && ++ pipe_ctx->stream->dst.height == pipe_ctx->stream->src.height) { ++ // calculate maximum # of replication of src onto addressable ++ unsigned int integer_multiple = min( ++ pipe_ctx->stream->timing.h_addressable / pipe_ctx->stream->src.width, ++ pipe_ctx->stream->timing.v_addressable / pipe_ctx->stream->src.height); ++ ++ //scale dst ++ pipe_ctx->stream->dst.width = integer_multiple * pipe_ctx->stream->src.width; ++ pipe_ctx->stream->dst.height = integer_multiple * pipe_ctx->stream->src.height; ++ ++ //center dst onto addressable ++ pipe_ctx->stream->dst.x = (pipe_ctx->stream->timing.h_addressable - pipe_ctx->stream->dst.width)/2; ++ pipe_ctx->stream->dst.y = (pipe_ctx->stream->timing.v_addressable - pipe_ctx->stream->dst.height)/2; ++ } ++ ++ //disable taps if src & dst are integer ratio ++ if (are_rects_integer_multiples(pipe_ctx->stream->src, pipe_ctx->stream->dst)) { ++ pipe_ctx->plane_state->scaling_quality.v_taps = 1; ++ pipe_ctx->plane_state->scaling_quality.h_taps = 1; ++ pipe_ctx->plane_state->scaling_quality.v_taps_c = 1; ++ pipe_ctx->plane_state->scaling_quality.h_taps_c = 1; ++ } ++} ++ + bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx) + { + const struct dc_plane_state *plane_state = pipe_ctx->plane_state; +@@ -969,6 +1001,8 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx) + pipe_ctx->plane_res.scl_data.format = convert_pixel_format_to_dalsurface( + pipe_ctx->plane_state->format); + ++ calculate_integer_scaling(pipe_ctx); ++ + calculate_scaling_ratios(pipe_ctx); + + calculate_viewport(pipe_ctx); +@@ -999,13 +1033,6 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx) + res = pipe_ctx->plane_res.dpp->funcs->dpp_get_optimal_number_of_taps( + pipe_ctx->plane_res.dpp, &pipe_ctx->plane_res.scl_data, &plane_state->scaling_quality); + +- if (res && +- plane_state->scaling_quality.integer_scaling && +- are_rect_integer_multiples(pipe_ctx->plane_res.scl_data.viewport, +- pipe_ctx->plane_res.scl_data.recout)) { +- pipe_ctx->plane_res.scl_data.taps.v_taps = 1; +- pipe_ctx->plane_res.scl_data.taps.h_taps = 1; +- } + + if (!res) { + /* Try 24 bpp linebuffer */ +-- +2.17.1 + |