[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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