diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2023-02-16 21:45:01 +0100 |
|---|---|---|
| committer | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2023-02-27 00:58:38 +0100 |
| commit | 217a8c63df30246f180760b1e1f3e57267efbb6a (patch) | |
| tree | d3c873ae8730d883562c118b99ee4de5f7dcbdd9 /drivers/gpu/drm/drm_edid.c | |
| parent | drm/displayid: provide access to DisplayID version and primary use case (diff) | |
| download | linux-217a8c63df30246f180760b1e1f3e57267efbb6a.tar.xz linux-217a8c63df30246f180760b1e1f3e57267efbb6a.zip | |
drm/edid: update non-desktop use also from DisplayID
Use the DisplayID 2.0 primary use case information to deduce whether
this is a head-mounted display, and should not be used for desktop.
Cc: Iaroslav Boliukin <iam@lach.pw>
Cc: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # HTC VIVE Pro 2
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/de75b2edddd7d30216e4dd5699a064dc737688f5.1676580180.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 3d0a4da661bc..03ad53a1ba82 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -6433,6 +6433,29 @@ static void drm_reset_display_info(struct drm_connector *connector) info->quirks = 0; } +static void update_displayid_info(struct drm_connector *connector, + const struct drm_edid *drm_edid) +{ + struct drm_display_info *info = &connector->display_info; + const struct displayid_block *block; + struct displayid_iter iter; + + displayid_iter_edid_begin(drm_edid, &iter); + displayid_iter_for_each(block, &iter) { + if (displayid_version(&iter) == DISPLAY_ID_STRUCTURE_VER_20 && + (displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_VR || + displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_AR)) + info->non_desktop = true; + + /* + * We're only interested in the base section here, no need to + * iterate further. + */ + break; + } + displayid_iter_end(&iter); +} + static void update_display_info(struct drm_connector *connector, const struct drm_edid *drm_edid) { @@ -6463,6 +6486,8 @@ static void update_display_info(struct drm_connector *connector, info->color_formats |= DRM_COLOR_FORMAT_RGB444; drm_parse_cea_ext(connector, drm_edid); + update_displayid_info(connector, drm_edid); + /* * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3? * |