[PATCH v2 08/23] drm/hisilicon/kirin: Use GEM CMA object functions

John Stultz john.stultz at linaro.org
Thu Jun 4 15:49:31 AEST 2020

On Wed, Jun 3, 2020 at 1:31 AM Thomas Zimmermann <tzimmermann at suse.de> wrote:
> The kirin driver uses the default implementation for CMA functions. The
> DRM_GEM_CMA_DRIVER_OPS macro now sets these defaults in struct drm_driver.
> Using DRM_GEM_CMA_DRIVER_OPS introduces several changes: the driver now
> sets .gem_create_object to drm_cma_gem_create_object_default_funcs(),
> which sets CMA GEM object functions. GEM object functions implement the
> rsp operations where possible. Corresponding interfaces in struct drm_driver
> are cleared. Prime import now uses drm_gem_cma_prime_import_sg_table_vmap(),
> which maps the imported buffer upon import. Mmap operations are performed
> by drm_gem_prime_mmap(), which goes through GEM file operations. These
> changes have been part of the aspeed driver for some time.
> v2:
>         * use DRM_GEM_CMA_DRIVER_OPS
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> Acked-by: Emil Velikov <emil.velikov at collabora.com>
> Cc: Xu YiPing <xuyiping at hisilicon.com>
> Cc: Rongrong Zou <zourongrong at gmail.com>
> Cc: Xinliang Liu <z.liuxinliang at hisilicon.com>

Thanks for sending this out! Works fine on my HiKey board.

Tested-by: John Stultz <john.stultz at linaro.org>


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