[PATCH] drm/bridge: anx7625: Fix edid_read break case in sp_tx_edid_read()

From: Hsin-Yi Wang
Date: Fri Nov 12 2021 - 06:24:41 EST


edid_read() was assumed to return 0 on success. After
7f16d0f3b8e2("drm/bridge: anx7625: Propagate errors from sp_tx_rst_aux()"),
the function can return >= 0 for successful case. Fix the g_edid_break
condition in sp_tx_edid_read().

Fixes: 7f16d0f3b8e2("drm/bridge: anx7625: Propagate errors from sp_tx_rst_aux()")
Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
---
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 1a871f6b6822ee..392203b576042b 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -826,7 +826,7 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
g_edid_break = edid_read(ctx, offset,
pblock_buf);

- if (g_edid_break)
+ if (g_edid_break < 0)
break;

memcpy(&pedid_blocks_buf[offset],
--
2.34.0.rc1.387.gb447b232ab-goog