From: Gabe Teeger <[email protected]> [Why] Failing mode validation during dc_commit, leading to blackscreen with an 8k DP2 display during mode change.
[What] Fix mixmatch between pipe and stream, which prevented us from recognizing the link as DP2. Reviewed-by: Dmytro Laktyushkin <[email protected]> Acked-by: Rodrigo Siqueira <[email protected]> Signed-off-by: Gabe Teeger <[email protected]> --- .../display/dc/dml2/dml2_translation_helper.c | 16 +++++++++++++--- drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c | 6 +++--- 2 files changed, 16 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c index bc2959fda5be..fa6a93dd9629 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c @@ -1049,9 +1049,10 @@ static void dml2_populate_pipe_to_plane_index_mapping(struct dml2_context *dml2, void map_dc_state_into_dml_display_cfg(struct dml2_context *dml2, struct dc_state *context, struct dml_display_cfg_st *dml_dispcfg) { - int i = 0, j = 0; + int i = 0, j = 0, k = 0; int disp_cfg_stream_location, disp_cfg_plane_location; enum mall_stream_type stream_mall_type; + struct pipe_ctx *current_pipe_context; for (i = 0; i < __DML2_WRAPPER_MAX_STREAMS_PLANES__; i++) { dml2->v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_stream_id_valid[i] = false; @@ -1071,6 +1072,15 @@ void map_dc_state_into_dml_display_cfg(struct dml2_context *dml2, struct dc_stat dml2_populate_pipe_to_plane_index_mapping(dml2, context); for (i = 0; i < context->stream_count; i++) { + current_pipe_context = NULL; + for (k = 0; k < MAX_PIPES; k++) { + /* find one pipe allocated to this stream for the purpose of getting + info about the link later */ + if (context->streams[i] == context->res_ctx.pipe_ctx[k].stream) { + current_pipe_context = &context->res_ctx.pipe_ctx[k]; + break; + } + } disp_cfg_stream_location = map_stream_to_dml_display_cfg(dml2, context->streams[i], dml_dispcfg); stream_mall_type = dc_state_get_stream_subvp_type(context, context->streams[i]); @@ -1080,7 +1090,7 @@ void map_dc_state_into_dml_display_cfg(struct dml2_context *dml2, struct dc_stat ASSERT(disp_cfg_stream_location >= 0 && disp_cfg_stream_location <= __DML2_WRAPPER_MAX_STREAMS_PLANES__); populate_dml_timing_cfg_from_stream_state(&dml_dispcfg->timing, disp_cfg_stream_location, context->streams[i]); - populate_dml_output_cfg_from_stream_state(&dml_dispcfg->output, disp_cfg_stream_location, context->streams[i], &context->res_ctx.pipe_ctx[i]); + populate_dml_output_cfg_from_stream_state(&dml_dispcfg->output, disp_cfg_stream_location, context->streams[i], current_pipe_context); switch (context->streams[i]->debug.force_odm_combine_segments) { case 2: dml2->v20.dml_core_ctx.policy.ODMUse[disp_cfg_stream_location] = dml_odm_use_policy_combine_2to1; @@ -1137,7 +1147,7 @@ void map_dc_state_into_dml_display_cfg(struct dml2_context *dml2, struct dc_stat if (j >= 1) { populate_dml_timing_cfg_from_stream_state(&dml_dispcfg->timing, disp_cfg_plane_location, context->streams[i]); - populate_dml_output_cfg_from_stream_state(&dml_dispcfg->output, disp_cfg_plane_location, context->streams[i], &context->res_ctx.pipe_ctx[i]); + populate_dml_output_cfg_from_stream_state(&dml_dispcfg->output, disp_cfg_plane_location, context->streams[i], current_pipe_context); switch (context->streams[i]->debug.force_odm_combine_segments) { case 2: dml2->v20.dml_core_ctx.policy.ODMUse[disp_cfg_plane_location] = dml_odm_use_policy_combine_2to1; diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c index 8c0794af5ade..1068b962d1c1 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c @@ -155,12 +155,12 @@ unsigned int dml2_util_get_maximum_odm_combine_for_output(bool force_odm_4to1, e bool is_dp2p0_output_encoder(const struct pipe_ctx *pipe_ctx) { + if (pipe_ctx == NULL || pipe_ctx->stream == NULL) + return false; + /* If this assert is hit then we have a link encoder dynamic management issue */ ASSERT(pipe_ctx->stream_res.hpo_dp_stream_enc ? pipe_ctx->link_res.hpo_dp_link_enc != NULL : true); - if (pipe_ctx->stream == NULL) - return false; - /* Count MST hubs once by treating only 1st remote sink in topology as an encoder */ if (pipe_ctx->stream->link && pipe_ctx->stream->link->remote_sinks[0]) { return (pipe_ctx->stream_res.hpo_dp_stream_enc && -- 2.42.0
