Commit 1d536214 authored by Loic Poulain's avatar Loic Poulain Committed by Dmitry Baryshkov
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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: stable@kernel.org
Fixes: 7c585f9a ("drm/bridge: anx7625: use struct drm_edid more")
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: default avatarLoic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20251218151307.95491-1-loic.poulain@oss.qualcomm.com


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
parent dc0e3aa5

drivers/gpu/drm/bridge/analogix/anx7625.c

+1 −1
Original line number Diff line number Diff line
@@ -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: