diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2021-01-22 02:33:02 +0300 |
|---|---|---|
| committer | Andrzej Hajda <a.hajda@samsung.com> | 2021-01-28 11:54:49 +0100 |
| commit | 1bb7ab402da44e09b4bb3f31cfe24695cdb1b7df (patch) | |
| tree | 21220c8fb51f0d9033acb2a706fd1df9431c9a2f /drivers/gpu/drm/bridge/lontium-lt9611uxc.c | |
| parent | 053b1b287ccf734cc3b5a40b3b17a63185758c61 (diff) | |
drm/bridge/lontium-lt9611uxc: fix get_edid return code
Return NULL pointer from get_edid() callback rather than ERR_PTR()
pointer, as DRM code does NULL checks rather than IS_ERR(). Also while
we are at it, return NULL if getting EDID timed out.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 0cbbd5b1a012 ("drm: bridge: add support for lontium LT9611UXC bridge")
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210121233303.1221784-3-dmitry.baryshkov@linaro.org
Diffstat (limited to 'drivers/gpu/drm/bridge/lontium-lt9611uxc.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index a59e811f1705..b708700e182d 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -505,7 +505,10 @@ static struct edid *lt9611uxc_bridge_get_edid(struct drm_bridge *bridge, ret = lt9611uxc_wait_for_edid(lt9611uxc); if (ret < 0) { dev_err(lt9611uxc->dev, "wait for EDID failed: %d\n", ret); - return ERR_PTR(ret); + return NULL; + } else if (ret == 0) { + dev_err(lt9611uxc->dev, "wait for EDID timeout\n"); + return NULL; } return drm_do_get_edid(connector, lt9611uxc_get_edid_block, lt9611uxc); |