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drm/imx/ipuv3: do not return negative values from .get_modes()

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[ 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@pengutronix.de>
Cc: stable@vger.kernel.org
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/311f6eec96d47949b16a670529f4d89fcd97aefa.1709913674.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jani Nikula 2024-03-08 18:03:43 +02:00 committed by Greg Kroah-Hartman
parent b71ae5fb2d
commit fd79a093bb
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/imx/ipuv3/parallel-display.c
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@ -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);