[PATCH v3 50/81] drm/fbdev-shmem: Support struct drm_driver.fbdev_probe

Javier Martinez Canillas javierm at redhat.com
Tue Sep 3 11:39:27 UTC 2024


Thomas Zimmermann <tzimmermann at suse.de> writes:

> Rework fbdev probing to support fbdev_probe in struct drm_driver
> and reimplement the old fb_probe callback on top of it. Provide an
> initializer macro for struct drm_driver that sets the callback
> according to the kernel configuration.
>
> This change allows the common fbdev client to run on top of SHMEM-
> based DRM drivers.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/drm_fbdev_shmem.c | 60 ++++++++++++++++++-------------
>  include/drm/drm_fbdev_shmem.h     | 11 ++++++
>  2 files changed, 47 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_fbdev_shmem.c b/drivers/gpu/drm/drm_fbdev_shmem.c
> index 0c785007f11b..3bca333917d1 100644
> --- a/drivers/gpu/drm/drm_fbdev_shmem.c
> +++ b/drivers/gpu/drm/drm_fbdev_shmem.c
> @@ -107,6 +107,40 @@ static struct page *drm_fbdev_shmem_get_page(struct fb_info *info, unsigned long
>  
>  static int drm_fbdev_shmem_helper_fb_probe(struct drm_fb_helper *fb_helper,
>  					   struct drm_fb_helper_surface_size *sizes)
> +{

I was going to ask if this whould be static inline too but I guess is just
a transition change and will be removed by a later patch, as was the case
for the fbdev-dma setup function. So it doesn't really matter that much...

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

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat



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