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| author | Loic Poulain <loic.poulain@oss.qualcomm.com> | 2025-12-18 16:13:07 +0100 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2026-03-04 07:21:47 -0500 |
| commit | 96775be9f12f6a97d1ac16979439dc35b7555b67 (patch) | |
| tree | 8a4a013e717453bc4cf87f502dcacf099120b371 /drivers/gpu/drm/bridge | |
| parent | d764b8dd420098a4d253b8a5b27568c897edb2cf (diff) | |
| download | linux-96775be9f12f6a97d1ac16979439dc35b7555b67.tar.gz linux-96775be9f12f6a97d1ac16979439dc35b7555b67.tar.bz2 linux-96775be9f12f6a97d1ac16979439dc35b7555b67.zip | |
drm/bridge: anx7625: Fix invalid EDID size
[ Upstream commit 1d5362145de96b5d00d590605cc94cdfa572b405 ]
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: 7c585f9a71aa ("drm/bridge: anx7625: use struct drm_edid more")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20251218151307.95491-1-loic.poulain@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/bridge')
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/anx7625.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 7244c3abb7f9..3273c368b835 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: |