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-rw-r--r--include/drm/drm_edid.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 799050198323..53c53c459b15 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -348,6 +348,25 @@ static inline int drm_eld_mnl(const uint8_t *eld)
348} 348}
349 349
350/** 350/**
351 * drm_eld_sad - Get ELD SAD structures.
352 * @eld: pointer to an eld memory structure with sad_count set
353 */
354static inline const uint8_t *drm_eld_sad(const uint8_t *eld)
355{
356 unsigned int ver, mnl;
357
358 ver = (eld[DRM_ELD_VER] & DRM_ELD_VER_MASK) >> DRM_ELD_VER_SHIFT;
359 if (ver != 2 && ver != 31)
360 return NULL;
361
362 mnl = drm_eld_mnl(eld);
363 if (mnl > 16)
364 return NULL;
365
366 return eld + DRM_ELD_CEA_SAD(mnl, 0);
367}
368
369/**
351 * drm_eld_sad_count - Get ELD SAD count. 370 * drm_eld_sad_count - Get ELD SAD count.
352 * @eld: pointer to an eld memory structure with sad_count set 371 * @eld: pointer to an eld memory structure with sad_count set
353 */ 372 */