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backend/drm: pass through mode picture aspect ratio

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This commit is contained in:
Simon Ser 2022-09-05 16:56:47 +02:00
parent 2178573b0a
commit 0cabc83046
3 changed files with 21 additions and 0 deletions
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19
backend/drm/util.c
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@ -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];