Re: [PATCH] vmwgfx: add dumb ioctl support

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Thanks for doing this.

With an exception of a comment below all 3 patches are
Reviewed-by: Jakob Bornecrantz <jakob@xxxxxxxxxx>


----- Original Message -----
> From: Dave Airlie <airlied@xxxxxxxxxx>
> 
> Testing and works with the -modesetting driver at least so far.
> 
> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/vmwgfx/vmwgfx_drv.c      |  5 +++
>  drivers/gpu/drm/vmwgfx/vmwgfx_drv.h      | 10 +++++
>  drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 73
>  ++++++++++++++++++++++++++++++++
>  3 files changed, 88 insertions(+)
> 
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> index 4d9edea..4d13bf7 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> @@ -1154,6 +1154,11 @@ static struct drm_driver driver = {
>  	.open = vmw_driver_open,
>  	.preclose = vmw_preclose,
>  	.postclose = vmw_postclose,
> +
> +	.dumb_create = vmw_dumb_create,
> +	.dumb_map_offset = vmw_dumb_map_offset,
> +	.dumb_destroy = vmw_dumb_destroy,
> +
>  	.fops = &vmwgfx_driver_fops,
>  	.name = VMWGFX_DRIVER_NAME,
>  	.desc = VMWGFX_DRIVER_DESC,
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> index d0f2c07..29c984f 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
> @@ -645,6 +645,16 @@ int vmw_kms_readback(struct vmw_private
> *dev_priv,
>  int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
>  				struct drm_file *file_priv);
>  
> +int vmw_dumb_create(struct drm_file *file_priv,
> +		    struct drm_device *dev,
> +		    struct drm_mode_create_dumb *args);
> +
> +int vmw_dumb_map_offset(struct drm_file *file_priv,
> +			struct drm_device *dev, uint32_t handle,
> +			uint64_t *offset);
> +int vmw_dumb_destroy(struct drm_file *file_priv,
> +		     struct drm_device *dev,
> +		     uint32_t handle);
>  /**
>   * Overlay control - vmwgfx_overlay.c
>   */
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
> b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
> index 22bf9a2..5761775 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
> @@ -1917,3 +1917,76 @@ err_ref:
>  	vmw_resource_unreference(&res);
>  	return ret;
>  }
> +
> +
> +int vmw_dumb_create(struct drm_file *file_priv,
> +		    struct drm_device *dev,
> +		    struct drm_mode_create_dumb *args)
> +{
> +	struct vmw_private *dev_priv = vmw_priv(dev);
> +	struct vmw_master *vmaster = vmw_master(file_priv->master);
> +	struct vmw_user_dma_buffer *vmw_user_bo;
> +	struct ttm_buffer_object *tmp;
> +	int ret;
> +
> +	args->pitch = args->width * args->bpp / 8;
> +	args->size = args->pitch * args->height;

We talked about this on IRC, it should probably be
(args->bpp + 7) / 8


Cheers, Jakob.
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