This is a note to let you know that I've just added the patch titled
drm/imx/ipuv3: do not return negative values from .get_modes()
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-imx-ipuv3-do-not-return-negative-values-from-.ge.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a75274a4104014cccb27d98fbc0d99770ed5b5aa
Author: Jani Nikula <jani.nikula@xxxxxxxxx>
Date: Fri Mar 8 18:03:43 2024 +0200
drm/imx/ipuv3: do not return negative values from .get_modes()
[ Upstream commit c2da9ada64962fcd2e6395ed9987b9874ea032d3 ]
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@xxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Acked-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/311f6eec96d47949b16a670529f4d89fcd97aefa.1709913674.git.jani.nikula@xxxxxxxxx
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index e24272428744c..2165ad545a382 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -63,14 +63,14 @@ 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);
