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From: Gerd Hoffmann <kraxel@redhat.com>
To: Xiaoguang Chen <xiaoguang.chen@intel.com>
Cc: alex.williamson@redhat.com, intel-gfx@lists.freedesktop.org,
	linux-kernel@vger.kernel.org, zhenyuw@linux.intel.com,
	zhiyuan.lv@intel.com, intel-gvt-dev@lists.freedesktop.org,
	zhi.a.wang@intel.com, kevin.tian@intel.com
Subject: Re: [PATCH v2 4/5] drm/i915/gvt: Dmabuf support for GVT-g
Date: Fri, 19 May 2017 13:28:55 +0200	[thread overview]
Message-ID: <1495193335.627.66.camel@redhat.com> (raw)
In-Reply-To: <1495101005-16045-5-git-send-email-xiaoguang.chen@intel.com>

> +/**
> + * Ioctl to query plane info or create dma-buf
> + */
> +#define INTEL_VGPU_QUERY_DMABUF		0
> +#define INTEL_VGPU_GENERATE_DMABUF	1

This should use _IO* #defines.

> +struct intel_vgpu_dmabuf {
> +	__u32 plane_id;
> +	/* out */
> +	__u32 fd;
> +	__u32 drm_format;
> +	__u32 width;
> +	__u32 height;
> +	__u32 stride;
> +	__u32 start;
> +	__u32 x_pos;
> +	__u32 y_pos;
> +	__u32 size;
> +	__u32 tiled;

I'd suggest to drop tiled, and add drm_format_mod (for
fourcc_mod_code()) instead.

You can also move intel_vgpu_plane_info to this place and just use it as
sub-struct for intel_vgpu_dmabuf.

cheers,
  Gerd

  parent reply	other threads:[~2017-05-19 11:29 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-18  9:50 [PATCH v2 0/5] drm/i915/gvt: Dma-buf support for GVT-g Xiaoguang Chen
2017-05-18  9:50 ` [PATCH v2 1/5] drm/i915/gvt: Extend the GVT-g architecture to support vfio device region Xiaoguang Chen
2017-05-18  9:50 ` [PATCH v2 2/5] drm/i915/gvt: OpRegion support for GVT-g Xiaoguang Chen
2017-05-18 15:43   ` He, Min
2017-05-19  2:20     ` Chen, Xiaoguang
2017-05-22  2:28       ` He, Min
2017-05-18  9:50 ` [PATCH v2 3/5] drm/i915/gvt: Frame buffer decoder " Xiaoguang Chen
2017-05-18  9:50 ` [PATCH v2 4/5] drm/i915/gvt: Dmabuf " Xiaoguang Chen
2017-05-18 10:27   ` Chris Wilson
2017-05-19 11:28   ` Gerd Hoffmann [this message]
2017-05-18  9:50 ` [PATCH v2 5/5] drm/i915/gvt: Adding interface so user space can get the dma-buf Xiaoguang Chen
2017-05-19 16:33   ` Alex Williamson
2017-05-22  2:00     ` Chen, Xiaoguang

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