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FAILED: Patch "drm/bridge: anx7625: Fix invalid EDID size" failed to apply to 6.12-stable tree

PATCH Sasha Levin 1 participant 1 message Mar 1

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Sasha Levin

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The patch below does not apply to the 6.12-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

Thanks,
Sasha

------------------ original commit in Linus's tree ------------------

From 1d5362145de96b5d00d590605cc94cdfa572b405 Mon Sep 17 00:00:00 2001
From: Loic Poulain <[email protected]>
Date: Thu, 18 Dec 2025 16:13:07 +0100
Subject: [PATCH] drm/bridge: anx7625: Fix invalid EDID size

DRM checks EDID block count against allocated size in drm_edid_valid function. We have to allocate the right EDID size instead of the max size to prevent the EDID to be reported as invalid.

---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/gpu/drm/bridge/analogix/anx7625.c +1 -1
index 6f3fdcb6afdb9..4e49e4f28d552 100644
@@ -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 * ONE_BLOCK_SIZE);
 	kfree(edid_buf);
 
 out:
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2.51.0