diff options
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index c29f31dcc818..4b3ad42a8f95 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4230,11 +4230,21 @@ static bool drm_edid_has_cta_extension(const struct drm_edid *drm_edid) { const struct displayid_block *block; struct displayid_iter iter; - int ext_index = 0; + struct drm_edid_iter edid_iter; + const u8 *ext; bool found = false; /* Look for a top level CEA extension block */ - if (drm_edid_find_extension(drm_edid, CEA_EXT, &ext_index)) + drm_edid_iter_begin(drm_edid, &edid_iter); + drm_edid_iter_for_each(ext, &edid_iter) { + if (ext[0] == CEA_EXT) { + found = true; + break; + } + } + drm_edid_iter_end(&edid_iter); + + if (found) return true; /* CEA blocks can also be found embedded in a DisplayID block */ |