[PATCH 1/4] drm/client: Add client free callback to unprepare fb_helper

[Dmitry Baryshkov]

On Thu, Oct 09, 2025 at 03:16:28PM +0200, Thomas Zimmermann wrote:
> Add free callback to struct drm_client_funcs. Invoke function to
> free the client memory as part of the release process. Implement
> free for fbdev emulation.
> 
> Fbdev emulation allocates and prepares client memory in
> drm_fbdev_client_setup(). The release happens in fb_destroy from
> struct fb_ops. Multiple implementations of this callback exist in
> the various drivers that provide fbdev implementation. Each of them
> needs to follow the implementation details of the fbdev setup code.
> 
> Adding a free callback for the client puts the unprepare and release
> of the fbdev client in a single place.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>  drivers/gpu/drm/armada/armada_fbdev.c      |  2 --
>  drivers/gpu/drm/clients/drm_fbdev_client.c | 17 +++++++++++++++--
>  drivers/gpu/drm/drm_client.c               |  4 ++++
>  drivers/gpu/drm/drm_fbdev_dma.c            |  4 ----
>  drivers/gpu/drm/drm_fbdev_shmem.c          |  2 --
>  drivers/gpu/drm/drm_fbdev_ttm.c            |  2 --
>  drivers/gpu/drm/exynos/exynos_drm_fbdev.c  |  2 --
>  drivers/gpu/drm/gma500/fbdev.c             |  3 ---
>  drivers/gpu/drm/i915/display/intel_fbdev.c |  2 --
>  drivers/gpu/drm/msm/msm_fbdev.c            |  2 --

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com> # core, msm

>  drivers/gpu/drm/omapdrm/omap_fbdev.c       |  2 --
>  drivers/gpu/drm/radeon/radeon_fbdev.c      |  2 --
>  drivers/gpu/drm/tegra/fbdev.c              |  2 --
>  include/drm/drm_client.h                   | 10 ++++++++++
>  14 files changed, 29 insertions(+), 27 deletions(-)
> 

-- 
With best wishes
Dmitry