diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 0c4dd922cfaf..17d1990ea832 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -1201,6 +1201,35 @@ static int internal_display_show(struct seq_file *m, void *data) return 0; } +/* + * Returns the number of segments used if ODM Combine mode is enabled. + * Example usage: cat /sys/kernel/debug/dri/0/DP-1/odm_combine_segments + */ +static int odm_combine_segments_show(struct seq_file *m, void *unused) +{ + struct drm_connector *connector = m->private; + struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); + struct dc_link *link = aconnector->dc_link; + struct pipe_ctx *pipe_ctx = NULL; + int i, segments = 0; + + for (i = 0; i < MAX_PIPES; i++) { + pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i]; + if (pipe_ctx->stream && + pipe_ctx->stream->link == link) + break; + } + + if (connector->status != connector_status_connected) + return -ENODEV; + + if (pipe_ctx != NULL && pipe_ctx->stream_res.tg->funcs->get_odm_combine_segments) + pipe_ctx->stream_res.tg->funcs->get_odm_combine_segments(pipe_ctx->stream_res.tg, &segments); + + seq_printf(m, "%d\n", segments); + return 0; +} + /* function description * * generic SDP message access for testing @@ -2713,6 +2742,7 @@ DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer); DEFINE_SHOW_ATTRIBUTE(dp_lttpr_status); DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability); DEFINE_SHOW_ATTRIBUTE(internal_display); +DEFINE_SHOW_ATTRIBUTE(odm_combine_segments); DEFINE_SHOW_ATTRIBUTE(psr_capability); DEFINE_SHOW_ATTRIBUTE(dp_is_mst_connector); DEFINE_SHOW_ATTRIBUTE(dp_mst_progress_status); @@ -2991,7 +3021,8 @@ static const struct { } connector_debugfs_entries[] = { {"force_yuv420_output", &force_yuv420_output_fops}, {"trigger_hotplug", &trigger_hotplug_debugfs_fops}, - {"internal_display", &internal_display_fops} + {"internal_display", &internal_display_fops}, + {"odm_combine_segments", &odm_combine_segments_fops} }; /* |