diff options
| author | Ivan Lipski <ivan.lipski@amd.com> | 2025-11-07 16:50:37 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-12-08 17:58:49 -0500 |
| commit | 2e1da460916626fedbbc8518b9c4e1b064f201ed (patch) | |
| tree | 13fc9d073aeb779131fe8e29e2fe5c9123f5dca0 | |
| parent | cf326449637a566ba98fb82c47d46cd479608c88 (diff) | |
drm/amd/display: Improve HDMI info retrieval
[WHY & HOW]
Make a dedicated function to read HDMI-related monitor info, including
monitor's SCDC support.
Fixes: 3471b9a31ce3 ("drm/amd/display: Rework HDMI data channel reads")
Suggested-by: Fangzhi Zuo <jerry.zuo@amd.com>
Reviewed-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit c78e31bcf586f1c910a2636650840f5ce1cb1c63)
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index ef97cede9926..bd0403005f37 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -1063,6 +1063,9 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, void amdgpu_dm_update_connector_after_detect( struct amdgpu_dm_connector *aconnector); +void populate_hdmi_info_from_connector(struct drm_hdmi_info *info, + struct dc_edid_caps *edid_caps); + extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int link_index, diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index ac98c746c3de..e5e993d3ef74 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -139,6 +139,9 @@ enum dc_edid_status dm_helpers_parse_edid_caps( edid_caps->edid_hdmi = connector->display_info.is_hdmi; + if (edid_caps->edid_hdmi) + populate_hdmi_info_from_connector(&connector->display_info.hdmi, edid_caps); + apply_edid_quirks(dev, edid_buf, edid_caps); sad_count = drm_edid_to_sad((struct edid *) edid->raw_edid, &sads); @@ -990,6 +993,11 @@ dm_helpers_read_acpi_edid(struct amdgpu_dm_connector *aconnector) return drm_edid_read_custom(connector, dm_helpers_probe_acpi_edid, connector); } +void populate_hdmi_info_from_connector(struct drm_hdmi_info *hdmi, struct dc_edid_caps *edid_caps) +{ + edid_caps->scdc_present = hdmi->scdc.supported; +} + enum dc_edid_status dm_helpers_read_local_edid( struct dc_context *ctx, struct dc_link *link, |