diff options
| author | Timur Kristóf <timur.kristof@gmail.com> | 2025-09-26 21:01:42 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-10-28 17:07:15 +0300 |
| commit | d64fd9da7ee95a344dc7e076e11e3e4def715510 (patch) | |
| tree | d6d67dad687ab791e1db191f0f065a21ca29992a | |
| parent | dfc74e37bdb487eed5ad90d0eac4055f60217fb0 (diff) | |
| download | linux-d64fd9da7ee95a344dc7e076e11e3e4def715510.tar.xz | |
drm/amd/display: Add analog bit to edid_caps (v2)
The new analog bit will be used with DVI-I connectors.
DVI-I connectors can connect to both digital and analog monitors
and this bit will help distinguish between those.
v2:
Sanitize analog bit based on connector type.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
4 files changed, 15 insertions, 0 deletions
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 cc21337a182f..eb2c587b0b9b 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 @@ -131,6 +131,7 @@ enum dc_edid_status dm_helpers_parse_edid_caps( edid_caps->serial_number = edid_buf->serial; edid_caps->manufacture_week = edid_buf->mfg_week; edid_caps->manufacture_year = edid_buf->mfg_year; + edid_caps->analog = !(edid_buf->input & DRM_EDID_INPUT_DIGITAL); drm_edid_get_monitor_name(edid_buf, edid_caps->display_name, diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index 8f8ccde7ad94..9989c8af5174 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -185,6 +185,10 @@ struct dc_panel_patch { unsigned int wait_after_dpcd_poweroff_ms; }; +/** + * struct dc_edid_caps - Capabilities read from EDID. + * @analog: Whether the monitor is analog. Used by DVI-I handling. + */ struct dc_edid_caps { /* sink identification */ uint16_t manufacturer_id; @@ -213,6 +217,7 @@ struct dc_edid_caps { bool hdr_supported; bool rr_capable; bool scdc_present; + bool analog; struct dc_panel_patch panel_patch; }; diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c index 82a9e52d5ae5..801c94efa7fc 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -1107,6 +1107,8 @@ static bool detect_link_and_local_sink(struct dc_link *link, break; } + sink->edid_caps.analog &= dc_connector_supports_analog(link->link_id.id); + // Check if edid is the same if ((prev_sink) && (edid_status == EDID_THE_SAME || edid_status == EDID_OK)) diff --git a/drivers/gpu/drm/amd/display/include/grph_object_id.h b/drivers/gpu/drm/amd/display/include/grph_object_id.h index 54e33062b3c0..1386fa124e85 100644 --- a/drivers/gpu/drm/amd/display/include/grph_object_id.h +++ b/drivers/gpu/drm/amd/display/include/grph_object_id.h @@ -310,4 +310,11 @@ static inline bool dal_graphics_object_id_equal( } return false; } + +static inline bool dc_connector_supports_analog(const enum connector_id conn) +{ + return conn == CONNECTOR_ID_VGA || + conn == CONNECTOR_ID_SINGLE_LINK_DVII || + conn == CONNECTOR_ID_DUAL_LINK_DVII; +} #endif |