diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4049-drm-amd-display-Reprogram-FMT-on-pipe-change.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4049-drm-amd-display-Reprogram-FMT-on-pipe-change.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4049-drm-amd-display-Reprogram-FMT-on-pipe-change.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4049-drm-amd-display-Reprogram-FMT-on-pipe-change.patch new file mode 100644 index 00000000..4229fa99 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4049-drm-amd-display-Reprogram-FMT-on-pipe-change.patch @@ -0,0 +1,58 @@ +From 71aae1ea6a0d0a6edb244e045d1fa012f96a1c29 Mon Sep 17 00:00:00 2001 +From: Julian Parkin <julian.parkin@amd.com> +Date: Thu, 22 Aug 2019 16:32:05 -0400 +Subject: [PATCH 4049/4256] drm/amd/display: Reprogram FMT on pipe change + +[Why] +When planes are added or removed from a stream, the change +in pipe usage from dynamic MPC combine can cause a second +stream using ODM combine to pick a different pipe to combine with. + +In this scenario, a different OPP is connected to the ODM without +programming its FMT. + +[How] +Reprogram the FMT in dcn20_program_pipe whenever a pipe is +newly enabled, or when its opp changes. + +Signed-off-by: Julian Parkin <julian.parkin@amd.com> +Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + .../drm/amd/display/dc/dcn20/dcn20_hwseq.c | 20 +++++++++++++++++++ + 1 file changed, 20 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +index 1b4aac185f3f..4a0038293569 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +@@ -1399,6 +1399,26 @@ static void dcn20_program_pipe( + */ + if (pipe_ctx->update_flags.bits.enable || pipe_ctx->stream->update_flags.bits.out_tf) + dc->hwss.set_output_transfer_func(pipe_ctx, pipe_ctx->stream); ++ ++ /* If the pipe has been enabled or has a different opp, we ++ * should reprogram the fmt. This deals with cases where ++ * interation between mpc and odm combine on different streams ++ * causes a different pipe to be chosen to odm combine with. ++ */ ++ if (pipe_ctx->update_flags.bits.enable ++ || pipe_ctx->update_flags.bits.opp_changed) { ++ ++ pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion( ++ pipe_ctx->stream_res.opp, ++ COLOR_SPACE_YCBCR601, ++ pipe_ctx->stream->timing.display_color_depth, ++ pipe_ctx->stream->signal); ++ ++ pipe_ctx->stream_res.opp->funcs->opp_program_fmt( ++ pipe_ctx->stream_res.opp, ++ &pipe_ctx->stream->bit_depth_params, ++ &pipe_ctx->stream->clamping); ++ } + } + + static bool does_pipe_need_lock(struct pipe_ctx *pipe) +-- +2.17.1 + |