[PATCH] drm/bridge: anx7625: Fix EDID block size at drm_edid_alloc() calling

Xin Ji xji at analogixsemi.com
Fri Aug 8 06:46:13 UTC 2025


Since DRM validates the all of EDID blocks, allocates drm_edid data
structure based on the actually block count returned by the sink
monitor at drm_edid_alloc() calling.

Fixes: 7c585f9a71aa ("drm/bridge: anx7625: use struct drm_edid more")

Signed-off-by: Xin Ji <xji at analogixsemi.com>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index c0ad8f59e483..4b5a74e9785e 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1801,7 +1801,7 @@ static const struct drm_edid *anx7625_edid_read(struct anx7625_data *ctx)
 		return NULL;
 	}
 
-	ctx->cached_drm_edid = drm_edid_alloc(edid_buf, FOUR_BLOCK_SIZE);
+	ctx->cached_drm_edid = drm_edid_alloc(edid_buf, edid_num * EDID_LENGTH);
 	kfree(edid_buf);
 
 out:
-- 
2.25.1



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