diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2816-drm-amd-display-fix-split-viewport-rounding-error.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2816-drm-amd-display-fix-split-viewport-rounding-error.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2816-drm-amd-display-fix-split-viewport-rounding-error.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2816-drm-amd-display-fix-split-viewport-rounding-error.patch new file mode 100644 index 00000000..c4928595 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2816-drm-amd-display-fix-split-viewport-rounding-error.patch @@ -0,0 +1,54 @@ +From fbb1816d670780d4b43b32a1383a9c4e8a4d06ef Mon Sep 17 00:00:00 2001 +From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +Date: Fri, 10 Nov 2017 13:53:53 -0500 +Subject: [PATCH 2816/4131] drm/amd/display: fix split viewport rounding error + +Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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/calcs/dcn_calcs.c | 4 ++++ + drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 10 ++++------ + 2 files changed, 8 insertions(+), 6 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +index a4fbca3..d14fefa 100644 +--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c ++++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +@@ -878,6 +878,10 @@ bool dcn_validate_bandwidth( + + pipe->bottom_pipe->plane_res.scl_data.recout.width; + } + ++ ASSERT(pipe->plane_res.scl_data.ratios.horz.value != dal_fixed31_32_one.value ++ || v->scaler_rec_out_width[input_idx] == v->viewport_width[input_idx]); ++ ASSERT(pipe->plane_res.scl_data.ratios.vert.value != dal_fixed31_32_one.value ++ || v->scaler_recout_height[input_idx] == v->viewport_height[input_idx]); + v->dcc_enable[input_idx] = pipe->plane_state->dcc.enable ? dcn_bw_yes : dcn_bw_no; + v->source_pixel_format[input_idx] = tl_pixel_format_to_bw_defs( + pipe->plane_state->format); +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 56c259d..80b131b 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +@@ -509,13 +509,11 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx) + right_view = (plane_state->rotation == ROTATION_ANGLE_270) != sec_split; + + if (right_view) { +- data->viewport.width /= 2; +- data->viewport_c.width /= 2; +- data->viewport.x += data->viewport.width; +- data->viewport_c.x += data->viewport_c.width; ++ data->viewport.x += data->viewport.width / 2; ++ data->viewport_c.x += data->viewport_c.width / 2; + /* Ceil offset pipe */ +- data->viewport.width += data->viewport.width % 2; +- data->viewport_c.width += data->viewport_c.width % 2; ++ data->viewport.width = (data->viewport.width + 1) / 2; ++ data->viewport_c.width = (data->viewport_c.width + 1) / 2; + } else { + data->viewport.width /= 2; + data->viewport_c.width /= 2; +-- +2.7.4 + |