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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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drm/amd/display: Fix incorrect DML output_bpp value
[Why] The output_bpp pipe parameter was assigned an incorrect value (color depth enum), and subsequently used to overwrite the OutputBpp parameter calculated by DML. Seems like this had no effect except with DSC enabled, which would make DML produce bad outputs. [How] Removed assignment to OutputBpp, fixed output_bpp assignment, and properly set ForcedOutputLinkBPP instead of OutputBpp. Also removed condition in DML that prevented forcing of Output BPP with DSC enabled. Signed-off-by: Ilya Bakoulin <Ilya.Bakoulin@amd.com> Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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parent
3979efcec6
commit
03fd87db6d
drivers/gpu/drm/amd/display/dc
@ -1616,6 +1616,7 @@ int dcn20_populate_dml_pipes_from_context(
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for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
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struct dc_crtc_timing *timing = &res_ctx->pipe_ctx[i].stream->timing;
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int output_bpc;
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if (!res_ctx->pipe_ctx[i].stream)
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continue;
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@ -1665,7 +1666,6 @@ int dcn20_populate_dml_pipes_from_context(
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pipes[pipe_cnt].pipe.dest.vtotal_min = res_ctx->pipe_ctx[i].stream->adjust.v_total_min;
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pipes[pipe_cnt].pipe.dest.vtotal_max = res_ctx->pipe_ctx[i].stream->adjust.v_total_max;
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pipes[pipe_cnt].dout.output_bpp = res_ctx->pipe_ctx[i].stream->timing.display_color_depth;
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switch (res_ctx->pipe_ctx[i].stream->signal) {
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case SIGNAL_TYPE_DISPLAY_PORT_MST:
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case SIGNAL_TYPE_DISPLAY_PORT:
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@ -1684,22 +1684,60 @@ int dcn20_populate_dml_pipes_from_context(
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pipes[pipe_cnt].dout.output_type = dm_dp;
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pipes[pipe_cnt].dout.dp_lanes = 4;
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}
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switch (res_ctx->pipe_ctx[i].stream->timing.display_color_depth) {
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case COLOR_DEPTH_666:
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output_bpc = 6;
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break;
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case COLOR_DEPTH_888:
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output_bpc = 8;
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break;
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case COLOR_DEPTH_101010:
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output_bpc = 10;
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break;
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case COLOR_DEPTH_121212:
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output_bpc = 12;
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break;
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case COLOR_DEPTH_141414:
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output_bpc = 14;
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break;
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case COLOR_DEPTH_161616:
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output_bpc = 16;
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break;
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#ifdef CONFIG_DRM_AMD_DC_DCN2_0
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case COLOR_DEPTH_999:
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output_bpc = 9;
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break;
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case COLOR_DEPTH_111111:
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output_bpc = 11;
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break;
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#endif
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default:
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output_bpc = 8;
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break;
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}
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switch (res_ctx->pipe_ctx[i].stream->timing.pixel_encoding) {
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case PIXEL_ENCODING_RGB:
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case PIXEL_ENCODING_YCBCR444:
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pipes[pipe_cnt].dout.output_format = dm_444;
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pipes[pipe_cnt].dout.output_bpp = output_bpc * 3;
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break;
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case PIXEL_ENCODING_YCBCR420:
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pipes[pipe_cnt].dout.output_format = dm_420;
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pipes[pipe_cnt].dout.output_bpp = (output_bpc * 3) / 2;
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break;
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case PIXEL_ENCODING_YCBCR422:
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if (true) /* todo */
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pipes[pipe_cnt].dout.output_format = dm_s422;
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else
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pipes[pipe_cnt].dout.output_format = dm_n422;
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pipes[pipe_cnt].dout.output_bpp = output_bpc * 2;
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break;
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default:
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pipes[pipe_cnt].dout.output_format = dm_444;
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pipes[pipe_cnt].dout.output_bpp = output_bpc * 3;
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}
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pipes[pipe_cnt].pipe.src.hsplit_grp = res_ctx->pipe_ctx[i].pipe_idx;
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if (res_ctx->pipe_ctx[i].top_pipe && res_ctx->pipe_ctx[i].top_pipe->plane_state
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@ -427,7 +427,12 @@ static void fetch_pipe_params(struct display_mode_lib *mode_lib)
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(enum output_format_class) (dout->output_format);
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mode_lib->vba.Output[mode_lib->vba.NumberOfActivePlanes] =
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(enum output_encoder_class) (dout->output_type);
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mode_lib->vba.OutputBpp[mode_lib->vba.NumberOfActivePlanes] = dout->output_bpp;
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if (!dout->dsc_enable)
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mode_lib->vba.ForcedOutputLinkBPP[mode_lib->vba.NumberOfActivePlanes] = dout->output_bpp;
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else
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mode_lib->vba.ForcedOutputLinkBPP[mode_lib->vba.NumberOfActivePlanes] = 0.0;
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mode_lib->vba.OutputLinkDPLanes[mode_lib->vba.NumberOfActivePlanes] =
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dout->dp_lanes;
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/* TODO: Needs to be set based on dout->audio.audio_sample_rate_khz/sample_layout */
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@ -436,7 +441,6 @@ static void fetch_pipe_params(struct display_mode_lib *mode_lib)
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mode_lib->vba.AudioSampleLayout[mode_lib->vba.NumberOfActivePlanes] =
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1;
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mode_lib->vba.DRAMClockChangeLatencyOverride = 0.0;
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mode_lib->vba.DSCEnabled[mode_lib->vba.NumberOfActivePlanes] = dout->dsc_enable;
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mode_lib->vba.NumberOfDSCSlices[mode_lib->vba.NumberOfActivePlanes] =
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dout->dsc_slices;
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