aboutsummaryrefslogtreecommitdiff
path: root/backend/drm
diff options
context:
space:
mode:
authorSimon Ser <contact@emersion.fr>2022-09-05 16:56:47 +0200
committerSimon Ser <contact@emersion.fr>2022-09-22 09:38:27 +0200
commit0cabc83046474618b9ed619649b819dc7ef23d28 (patch)
treefb6126e68ea7b75b2cc96e0015caffb38e96f15e /backend/drm
parent2178573b0a5a8160564da1fd85c1f16f7d4d7bdd (diff)
backend/drm: pass through mode picture aspect ratio
Diffstat (limited to 'backend/drm')
-rw-r--r--backend/drm/drm.c1
-rw-r--r--backend/drm/util.c19
2 files changed, 20 insertions, 0 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index d113aa12..3b14c63e 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -760,6 +760,7 @@ static struct wlr_drm_mode *drm_mode_create(const drmModeModeInfo *modeinfo) {
mode->wlr_mode.width = mode->drm_mode.hdisplay;
mode->wlr_mode.height = mode->drm_mode.vdisplay;
mode->wlr_mode.refresh = calculate_refresh_rate(modeinfo);
+ mode->wlr_mode.picture_aspect_ratio = get_picture_aspect_ratio(modeinfo);
if (modeinfo->type & DRM_MODE_TYPE_PREFERRED) {
mode->wlr_mode.preferred = true;
}
diff --git a/backend/drm/util.c b/backend/drm/util.c
index 2083e617..3f460317 100644
--- a/backend/drm/util.c
+++ b/backend/drm/util.c
@@ -30,6 +30,25 @@ int32_t calculate_refresh_rate(const drmModeModeInfo *mode) {
return refresh;
}
+enum wlr_output_mode_aspect_ratio get_picture_aspect_ratio(const drmModeModeInfo *mode) {
+ switch (mode->flags & DRM_MODE_FLAG_PIC_AR_MASK) {
+ case DRM_MODE_FLAG_PIC_AR_NONE:
+ return WLR_OUTPUT_MODE_ASPECT_RATIO_NONE;
+ case DRM_MODE_FLAG_PIC_AR_4_3:
+ return WLR_OUTPUT_MODE_ASPECT_RATIO_4_3;
+ case DRM_MODE_FLAG_PIC_AR_16_9:
+ return WLR_OUTPUT_MODE_ASPECT_RATIO_16_9;
+ case DRM_MODE_FLAG_PIC_AR_64_27:
+ return WLR_OUTPUT_MODE_ASPECT_RATIO_64_27;
+ case DRM_MODE_FLAG_PIC_AR_256_135:
+ return WLR_OUTPUT_MODE_ASPECT_RATIO_256_135;
+ default:
+ wlr_log(WLR_ERROR, "Unknown mode picture aspect ratio: %u",
+ mode->flags & DRM_MODE_FLAG_PIC_AR_MASK);
+ return WLR_OUTPUT_MODE_ASPECT_RATIO_NONE;
+ }
+}
+
static const char *get_manufacturer(struct udev_hwdb *hwdb, uint16_t code) {
static char pnp_id[4];