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. Cc: [email protected] Fixes: 7c585f9a71aa ("drm/bridge: anx7625: use struct drm_edid more") Reviewed-by: Dmitry Baryshkov <[email protected]> Signed-off-by: Loic Poulain <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Dmitry Baryshkov <[email protected]> --- 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 6f3fdcb6afdb9..4e49e4f28d552 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 * ONE_BLOCK_SIZE); kfree(edid_buf); out: -- 2.51.0
