From: Pin-Yen Lin treapking@chromium.org
[ Upstream commit d5c6f647aec9ed524aedd04a3aec5ebc21d39007 ]
The length of EDID block can be longer than 256 bytes, so we should use `int` instead of `u8` for the `edid_pos` variable.
Fixes: 8bdfc5dae4e3 ("drm/bridge: anx7625: Add anx7625 MIPI DSI/DPI to DP") Signed-off-by: Pin-Yen Lin treapking@chromium.org Reviewed-by: Jernej Skrabec jernej.skrabec@gmail.com Signed-off-by: Robert Foss robert.foss@linaro.org Link: https://patchwork.freedesktop.org/patch/msgid/20220210103827.402436-1-treapk... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/bridge/analogix/anx7625.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 1a871f6b6822..9b2421040926 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -791,7 +791,8 @@ static int segments_edid_read(struct anx7625_data *ctx, static int sp_tx_edid_read(struct anx7625_data *ctx, u8 *pedid_blocks_buf) { - u8 offset, edid_pos; + u8 offset; + int edid_pos; int count, blocks_num; u8 pblock_buf[MAX_DPCD_BUFFER_SIZE]; u8 i, j;