From 1290183db494641772c18d063c34e9c8f720c61c Mon Sep 17 00:00:00 2001 From: Wenjing Liu Date: Thu, 2 Nov 2023 15:02:42 -0400 Subject: [PATCH] drm/amd/display: always use mpc factor of 2 for stereo timings [why] In the new pipe resource management logic, the special handling for stereo timings is missing. This commit implements the same stereo timings handling as old pipe resource management code. Reviewed-by: Chaitanya Dhere Acked-by: Hamza Mahfooz Signed-off-by: Wenjing Liu Signed-off-by: Alex Deucher --- .../display/dc/dml2/dml2_dc_resource_mgmt.c | 26 +++++++++++++------ .../gpu/drm/amd/display/dc/dml2/dml2_utils.c | 2 +- .../gpu/drm/amd/display/dc/dml2/dml2_utils.h | 2 +- 3 files changed, 20 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c index 1a2b24cc6b61d..0baf39d64a2d4 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c @@ -772,18 +772,29 @@ static unsigned int get_mpc_factor(struct dml2_context *ctx, const struct dc_state *state, const struct dml_display_cfg_st *disp_cfg, struct dml2_dml_to_dc_pipe_mapping *mapping, - const struct dc_stream_status *status, unsigned int stream_id, + const struct dc_stream_status *status, + const struct dc_stream_state *stream, int plane_idx) { unsigned int plane_id; unsigned int cfg_idx; + unsigned int mpc_factor; - get_plane_id(ctx, state, status->plane_states[plane_idx], stream_id, plane_idx, &plane_id); + get_plane_id(ctx, state, status->plane_states[plane_idx], + stream->stream_id, plane_idx, &plane_id); cfg_idx = find_disp_cfg_idx_by_plane_id(mapping, plane_id); - if (ctx->architecture == dml2_architecture_20) - return (unsigned int)disp_cfg->hw.DPPPerSurface[cfg_idx]; - ASSERT(false); - return 1; + if (ctx->architecture == dml2_architecture_20) { + mpc_factor = (unsigned int)disp_cfg->hw.DPPPerSurface[cfg_idx]; + } else { + mpc_factor = 1; + ASSERT(false); + } + + /* For stereo timings, we need to pipe split */ + if (dml2_is_stereo_timing(stream)) + mpc_factor = 2; + + return mpc_factor; } static unsigned int get_odm_factor( @@ -820,14 +831,13 @@ static void populate_mpc_factors_for_stream( unsigned int mpc_factors[MAX_PIPES]) { const struct dc_stream_status *status = &state->stream_status[stream_idx]; - unsigned int stream_id = state->streams[stream_idx]->stream_id; int i; for (i = 0; i < status->plane_count; i++) if (odm_factor == 1) mpc_factors[i] = get_mpc_factor( ctx, state, disp_cfg, mapping, status, - stream_id, i); + state->streams[stream_idx], i); else mpc_factors[i] = 1; } 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 2498b8341199b..33eab80e89a84 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c @@ -468,7 +468,7 @@ bool dml2_verify_det_buffer_configuration(struct dml2_context *in_ctx, struct dc return need_recalculation; } -bool dml2_is_stereo_timing(struct dc_stream_state *stream) +bool dml2_is_stereo_timing(const struct dc_stream_state *stream) { bool is_stereo = false; diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h index 23b9028337d43..5842d6d3c4b60 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.h @@ -42,7 +42,7 @@ void dml2_copy_clocks_to_dc_state(struct dml2_dcn_clocks *out_clks, struct dc_st void dml2_extract_watermark_set(struct dcn_watermarks *watermark, struct display_mode_lib_st *dml_core_ctx); int dml2_helper_find_dml_pipe_idx_by_stream_id(struct dml2_context *ctx, unsigned int stream_id); bool is_dtbclk_required(const struct dc *dc, struct dc_state *context); -bool dml2_is_stereo_timing(struct dc_stream_state *stream); +bool dml2_is_stereo_timing(const struct dc_stream_state *stream); /* * dml2_dc_construct_pipes - This function will determine if we need additional pipes based -- 2.30.2