Don't set struct drm_driver.output_poll_changed. It's used to restore
the fbdev console. But as DCSS uses generic fbdev emulation, the
console is being restored by the DRM client helpers already. See the
functions drm_kms_helper_hotplug_event() and
drm_kms_helper_connector_hotplug_event() in drm_probe_helper.c.

v2:
	* fix commit description (Christian)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/imx/dcss/dcss-kms.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/imx/dcss/dcss-kms.c b/drivers/gpu/drm/imx/dcss/dcss-kms.c
index b4f82ebca5325..1defd6a40f11d 100644
--- a/drivers/gpu/drm/imx/dcss/dcss-kms.c
+++ b/drivers/gpu/drm/imx/dcss/dcss-kms.c
@@ -21,7 +21,6 @@ DEFINE_DRM_GEM_DMA_FOPS(dcss_cma_fops);
 
 static const struct drm_mode_config_funcs dcss_drm_mode_config_funcs = {
 	.fb_create = drm_gem_fb_create,
-	.output_poll_changed = drm_fb_helper_output_poll_changed,
 	.atomic_check = drm_atomic_helper_check,
 	.atomic_commit = drm_atomic_helper_commit,
 };
-- 
2.38.0

On 10/24/22 13:19, Thomas Zimmermann wrote:
> Don't set struct drm_driver.output_poll_changed. It's used to restore
> the fbdev console. But as DCSS uses generic fbdev emulation, the
> console is being restored by the DRM client helpers already. See the
> functions drm_kms_helper_hotplug_event() and
> drm_kms_helper_connector_hotplug_event() in drm_probe_helper.c.
> 
> v2:
> 	* fix commit description (Christian)
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat