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drm/edid: update non-desktop use also from DisplayID

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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
This commit is contained in:
Jani Nikula 2023-02-16 22:45:01 +02:00 committed by Dmitry Osipenko
parent b568e6bb49
commit 217a8c63df
1 changed files with 25 additions and 0 deletions
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25
drivers/gpu/drm/drm_edid.c
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@ -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?
*