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 | 62 |
1 files changed, 61 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 7c21e21bcc51..13a177d34376 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 @@ -37,6 +37,7 @@ #include "link_hwss.h" #include "dc/dc_dmub_srv.h" #include "link/protocols/link_dp_capability.h" +#include "inc/hw/dchubbub.h" #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY #include "amdgpu_dm_psr.h" @@ -1201,6 +1202,35 @@ 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 = -EOPNOTSUPP; + + 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 +2743,7 @@ 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 +3022,8 @@ 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} }; /* @@ -3606,6 +3638,32 @@ DEFINE_DEBUGFS_ATTRIBUTE(disable_hpd_ops, disable_hpd_get, disable_hpd_set, "%llu\n"); /* + * Prints hardware capabilities. These are used for IGT testing. + */ +static int capabilities_show(struct seq_file *m, void *unused) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)m->private; + struct dc *dc = adev->dm.dc; + bool mall_supported = dc->caps.mall_size_total; + bool subvp_supported = dc->caps.subvp_fw_processing_delay_us; + unsigned int mall_in_use = false; + unsigned int subvp_in_use = dc->cap_funcs.get_subvp_en(dc, dc->current_state); + struct hubbub *hubbub = dc->res_pool->hubbub; + + if (hubbub->funcs->get_mall_en) + hubbub->funcs->get_mall_en(hubbub, &mall_in_use); + + seq_printf(m, "mall supported: %s, enabled: %s\n", + mall_supported ? "yes" : "no", mall_in_use ? "yes" : "no"); + seq_printf(m, "sub-viewport supported: %s, enabled: %s\n", + subvp_supported ? "yes" : "no", subvp_in_use ? "yes" : "no"); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(capabilities); + +/* * Temporary w/a to force sst sequence in M42D DP2 mst receiver * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_dp_set_mst_en_for_sst */ @@ -3798,6 +3856,8 @@ void dtn_debugfs_init(struct amdgpu_device *adev) debugfs_create_file("amdgpu_mst_topology", 0444, root, adev, &mst_topo_fops); + debugfs_create_file("amdgpu_dm_capabilities", 0444, root, + adev, &capabilities_fops); debugfs_create_file("amdgpu_dm_dtn_log", 0644, root, adev, &dtn_log_fops); debugfs_create_file("amdgpu_dm_dp_set_mst_en_for_sst", 0644, root, adev, |