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Date:   Tue, 9 Apr 2019 13:27:10 +0100
From:   Eric Engestrom <eric.engestrom@intel.com>
To:     Ayan Halder <Ayan.Halder@arm.com>
Cc:     Liviu Dudau <Liviu.Dudau@arm.com>,
        Brian Starkey <Brian.Starkey@arm.com>,
        "malidp@foss.arm.com" <malidp@foss.arm.com>,
        "maarten.lankhorst@linux.intel.com" 
        <maarten.lankhorst@linux.intel.com>,
        "maxime.ripard@bootlin.com" <maxime.ripard@bootlin.com>,
        "sean@poorly.run" <sean@poorly.run>,
        "airlied@linux.ie" <airlied@linux.ie>,
        "daniel@ffwll.ch" <daniel@ffwll.ch>,
        "robdclark@gmail.com" <robdclark@gmail.com>,
        "jani.nikula@linux.intel.com" <jani.nikula@linux.intel.com>,
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        "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>,
        "linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
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        "freedreno@lists.freedesktop.org" <freedreno@lists.freedesktop.org>,
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        nd <nd@arm.com>
Subject: Re: [PATCH libdrm] headers: Sync with drm-next
Message-ID: <20190409122710.k2bh25xg43lrqzvq@intel.com>
References: <20190408205422.dj7z4dl36nauwlk7@intel.com>
 <1554809706-15389-1-git-send-email-ayan.halder@arm.com>
 <20190409115913.hvyjxlda4wtzm75t@intel.com>
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In-Reply-To: <20190409115913.hvyjxlda4wtzm75t@intel.com>
Organization: Intel Corporation (UK) Ltd. - Co. Reg. 1134945 - Pipers Way,
 Swindon SN3 1RJ
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On Tuesday, 2019-04-09 12:59:13 +0100, Eric Engestrom wrote:
> On Tuesday, 2019-04-09 11:35:14 +0000, Ayan Halder wrote:
> > Generated using make headers_install from the drm-next
> > tree - git://anongit.freedesktop.org/drm/drm
> > branch - drm-next
> > commit - 14d2bd53a47a7e1cb3e03d00a6b952734cf90f3f
> > 
> > The changes were as follows :-
> > 
> > core: (drm.h, drm_fourcc.h, drm_mode.h)
> > - Added 'struct drm_syncobj_transfer', 'struct drm_syncobj_timeline_wait' and 'struct drm_syncobj_timeline_array'
> > - Added various DRM_IOCTL_SYNCOBJ_ ioctls
> > - Added some new RGB and YUV formats
> > - Added 'DRM_FORMAT_MOD_VENDOR_ALLWINNER'
> > - Added 'SAMSUNG' and Arm's 'AFBC' and 'ALLWINNER' format modifiers
> > - Added 'struct drm_mode_rect'
> > 
> > i915:
> > - Added struct 'struct i915_user_extension' and various 'struct drm_i915_gem_context_'
> > - Added different modes of per-process Graphics Translation Table
> > 
> > msm:
> > - Added various get or set GEM buffer info flags
> > - Added some MSM_SUBMIT_BO_ macros
> > - Modified 'struct drm_msm_gem_info'
> > 
> > Signed-off-by: Ayan Kumar halder <ayan.halder@arm.com>
> 
> This looks sane, and applies cleanly :)
> Acked-by: Eric Engestrom <eric.engestrom@intel.com>

Actually, revoking that, as this patch breaks the build; see below.

> 
> > ---
> >  include/drm/drm.h        |  36 +++++++
> >  include/drm/drm_fourcc.h | 136 +++++++++++++++++++++++++++
> >  include/drm/drm_mode.h   |  23 ++++-
> >  include/drm/i915_drm.h   | 237 ++++++++++++++++++++++++++++++++++++++++-------
> >  include/drm/msm_drm.h    |  25 +++--
> >  5 files changed, 415 insertions(+), 42 deletions(-)
> > 
[snip]
> > diff --git a/include/drm/msm_drm.h b/include/drm/msm_drm.h
> > index c06d0a5..91a16b3 100644
> > --- a/include/drm/msm_drm.h
> > +++ b/include/drm/msm_drm.h
> > @@ -105,14 +105,24 @@ struct drm_msm_gem_new {
> >  	__u32 handle;         /* out */
> >  };
> >  
> > -#define MSM_INFO_IOVA	0x01
> > -
> > -#define MSM_INFO_FLAGS (MSM_INFO_IOVA)
> > +/* Get or set GEM buffer info.  The requested value can be passed
> > + * directly in 'value', or for data larger than 64b 'value' is a
> > + * pointer to userspace buffer, with 'len' specifying the number of
> > + * bytes copied into that buffer.  For info returned by pointer,
> > + * calling the GEM_INFO ioctl with null 'value' will return the
> > + * required buffer size in 'len'
> > + */
> > +#define MSM_INFO_GET_OFFSET	0x00   /* get mmap() offset, returned by value */
> > +#define MSM_INFO_GET_IOVA	0x01   /* get iova, returned by value */
> > +#define MSM_INFO_SET_NAME	0x02   /* set the debug name (by pointer) */
> > +#define MSM_INFO_GET_NAME	0x03   /* get debug name, returned by pointer */
> >  
> >  struct drm_msm_gem_info {
> >  	__u32 handle;         /* in */
> > -	__u32 flags;	      /* in - combination of MSM_INFO_* flags */
> > -	__u64 offset;         /* out, mmap() offset or iova */
> > +	__u32 info;           /* in - one of MSM_INFO_* */
> > +	__u64 value;          /* in or out */
> > +	__u32 len;            /* in or out */
> > +	__u32 pad;

freedreno/msm/msm_bo.c needs to be updated to reflect those changes.

> >  };
> >  
> >  #define MSM_PREP_READ        0x01
> > @@ -188,8 +198,11 @@ struct drm_msm_gem_submit_cmd {
> >   */
> >  #define MSM_SUBMIT_BO_READ             0x0001
> >  #define MSM_SUBMIT_BO_WRITE            0x0002
> > +#define MSM_SUBMIT_BO_DUMP             0x0004
> >  
> > -#define MSM_SUBMIT_BO_FLAGS            (MSM_SUBMIT_BO_READ | MSM_SUBMIT_BO_WRITE)
> > +#define MSM_SUBMIT_BO_FLAGS            (MSM_SUBMIT_BO_READ | \
> > +					MSM_SUBMIT_BO_WRITE | \
> > +					MSM_SUBMIT_BO_DUMP)
> >  
> >  struct drm_msm_gem_submit_bo {
> >  	__u32 flags;          /* in, mask of MSM_SUBMIT_BO_x */
> > -- 
> > 2.7.4
> >