We have an iterator for this, use it. It does include the base block,
but its tag is 0 and will be skipped.

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/drm_edid.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index efc1999b9573..dcef92c8887a 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2574,6 +2574,8 @@ vtb_for_each_detailed_block(const u8 *ext, detailed_cb 
*cb, void *closure)
 static void
 drm_for_each_detailed_block(const struct edid *edid, detailed_cb *cb, void 
*closure)
 {
+       struct drm_edid_iter edid_iter;
+       const u8 *ext;
        int i;
 
        if (edid == NULL)
@@ -2582,9 +2584,8 @@ drm_for_each_detailed_block(const struct edid *edid, 
detailed_cb *cb, void *clos
        for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
                cb(&(edid->detailed_timings[i]), closure);
 
-       for (i = 0; i < edid_extension_block_count(edid); i++) {
-               const u8 *ext = edid_extension_block_data(edid, i);
-
+       drm_edid_iter_begin(edid, &edid_iter);
+       drm_edid_iter_for_each(ext, &edid_iter) {
                switch (*ext) {
                case CEA_EXT:
                        cea_for_each_detailed_block(ext, cb, closure);
@@ -2596,6 +2597,7 @@ drm_for_each_detailed_block(const struct edid *edid, 
detailed_cb *cb, void *clos
                        break;
                }
        }
+       drm_edid_iter_end(&edid_iter);
 }
 
 static void
-- 
2.30.2

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