Re: [PATCH] drm/mediatek: Remove dependency on GEM DMA helper

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Hi, Rob:

Rob Clark <robdclark@xxxxxxxxx> 於 2023年1月20日 週五 上午6:40寫道:
>
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
>
> It appears that the dependency on the DMA helpers was only for
> drm_gem_dma_vm_ops.

Applied to mediatek-drm-next [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.

>
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/mediatek/Kconfig       | 1 -
>  drivers/gpu/drm/mediatek/mtk_drm_gem.c | 7 ++++++-
>  2 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig
> index 369e495d0c3e..b451dee64d34 100644
> --- a/drivers/gpu/drm/mediatek/Kconfig
> +++ b/drivers/gpu/drm/mediatek/Kconfig
> @@ -7,7 +7,6 @@ config DRM_MEDIATEK
>         depends on HAVE_ARM_SMCCC
>         depends on OF
>         depends on MTK_MMSYS
> -       select DRM_GEM_DMA_HELPER
>         select DRM_KMS_HELPER
>         select DRM_MIPI_DSI
>         select DRM_PANEL
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> index 47e96b0289f9..9b3d15d3a983 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> @@ -16,13 +16,18 @@
>
>  static int mtk_drm_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
>
> +static const struct vm_operations_struct vm_ops = {
> +       .open = drm_gem_vm_open,
> +       .close = drm_gem_vm_close,
> +};
> +
>  static const struct drm_gem_object_funcs mtk_drm_gem_object_funcs = {
>         .free = mtk_drm_gem_free_object,
>         .get_sg_table = mtk_gem_prime_get_sg_table,
>         .vmap = mtk_drm_gem_prime_vmap,
>         .vunmap = mtk_drm_gem_prime_vunmap,
>         .mmap = mtk_drm_gem_object_mmap,
> -       .vm_ops = &drm_gem_dma_vm_ops,
> +       .vm_ops = &vm_ops,
>  };
>
>  static struct mtk_drm_gem_obj *mtk_drm_gem_init(struct drm_device *dev,
> --
> 2.38.1
>




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