diff options
| author | Timur Kristóf <timur.kristof@gmail.com> | 2025-07-31 11:43:48 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-08-18 17:59:34 -0400 |
| commit | 669f73a26f6112eedbadac53a2f2707ac6d0b9c8 (patch) | |
| tree | 507195559827089be8163d3089d5a058fe6581aa | |
| parent | 1fc931be2f47fde23ca5aff6f19421375c312fb2 (diff) | |
drm/amd/display: Find first CRTC and its line time in dce110_fill_display_configs
dce110_fill_display_configs is shared between DCE 6-11, and
finding the first CRTC and its line time is relevant to DCE 6 too.
Move the code to find it from DCE 11 specific code.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Rodrigo Siqueira <siqueira@igalia.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4ab09785f8d5d03df052827af073d5c508ff5f63)
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c index f8409453434c..baeac8f1c04f 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c @@ -120,9 +120,12 @@ void dce110_fill_display_configs( const struct dc_state *context, struct dm_pp_display_configuration *pp_display_cfg) { + struct dc *dc = context->clk_mgr->ctx->dc; int j; int num_cfgs = 0; + pp_display_cfg->crtc_index = dc->res_pool->res_cap->num_timing_generator; + for (j = 0; j < context->stream_count; j++) { int k; @@ -164,6 +167,23 @@ void dce110_fill_display_configs( cfg->v_refresh /= stream->timing.h_total; cfg->v_refresh = (cfg->v_refresh + stream->timing.v_total / 2) / stream->timing.v_total; + + /* Find first CRTC index and calculate its line time. + * This is necessary for DPM on SI GPUs. + */ + if (cfg->pipe_idx < pp_display_cfg->crtc_index) { + const struct dc_crtc_timing *timing = + &context->streams[0]->timing; + + pp_display_cfg->crtc_index = cfg->pipe_idx; + pp_display_cfg->line_time_in_us = + timing->h_total * 10000 / timing->pix_clk_100hz; + } + } + + if (!num_cfgs) { + pp_display_cfg->crtc_index = 0; + pp_display_cfg->line_time_in_us = 0; } pp_display_cfg->display_count = num_cfgs; @@ -232,16 +252,6 @@ void dce11_pplib_apply_display_requirements( dce110_fill_display_configs(context, pp_display_cfg); - /* TODO: is this still applicable?*/ - if (pp_display_cfg->display_count == 1) { - const struct dc_crtc_timing *timing = - &context->streams[0]->timing; - - pp_display_cfg->crtc_index = - pp_display_cfg->disp_configs[0].pipe_idx; - pp_display_cfg->line_time_in_us = timing->h_total * 10000 / timing->pix_clk_100hz; - } - if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0) dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); } |