diff mbox series

[5/8] drm/imx/ipuv3: do not return negative values from .get_modes()

Message ID 311f6eec96d47949b16a670529f4d89fcd97aefa.1709913674.git.jani.nikula@intel.com (mailing list archive)
State New, archived
Headers show
Series drm: fix .get_modes() return values | expand

Commit Message

Jani Nikula March 8, 2024, 4:03 p.m. UTC
The .get_modes() hooks aren't supposed to return negative error
codes. Return 0 for no modes, whatever the reason.

Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/imx/ipuv3/parallel-display.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Philipp Zabel March 8, 2024, 4:41 p.m. UTC | #1
On Fr, 2024-03-08 at 18:03 +0200, Jani Nikula wrote:
> The .get_modes() hooks aren't supposed to return negative error
> codes. Return 0 for no modes, whatever the reason.
> 
> Cc: Philipp Zabel <p.zabel@pengutronix.de>
> Cc: stable@vger.kernel.org
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Acked-by: Philipp Zabel <p.zabel@pengutronix.de>

regards
Philipp
diff mbox series

Patch

diff --git a/drivers/gpu/drm/imx/ipuv3/parallel-display.c b/drivers/gpu/drm/imx/ipuv3/parallel-display.c
index 70349739dd89..55dedd73f528 100644
--- a/drivers/gpu/drm/imx/ipuv3/parallel-display.c
+++ b/drivers/gpu/drm/imx/ipuv3/parallel-display.c
@@ -72,14 +72,14 @@  static int imx_pd_connector_get_modes(struct drm_connector *connector)
 		int ret;
 
 		if (!mode)
-			return -EINVAL;
+			return 0;
 
 		ret = of_get_drm_display_mode(np, &imxpd->mode,
 					      &imxpd->bus_flags,
 					      OF_USE_NATIVE_MODE);
 		if (ret) {
 			drm_mode_destroy(connector->dev, mode);
-			return ret;
+			return 0;
 		}
 
 		drm_mode_copy(mode, &imxpd->mode);