[PATCH 09/10] drm/exynos: add G2D driver

[Rob Clark]

On Mon, Jan 21, 2013 at 7:33 PM, Inki Dae <inki.dae at samsung.com> wrote:
> 2013/1/21 Rob Clark <robdclark at gmail.com>:
>> I don't suppose you could send a libdrm patch to the list with an up
>> to date version of the g2dtest code so we can get it in libdrm tree?
>>
>
> We are planning on updating exynos drm for libdrm. At that time, the
> up to date version of the g2dtest will be posted.
> Joonyoung, let it post. And I will post other things except g2dtest.

thanks, I just want to make sure this doesn't get lost

BR,
-R

> Thanks,
> Inki Dae
>
>> BR,
>> -R
>>
>> On Fri, Mar 16, 2012 at 1:28 AM, Joonyoung Shim <jy0922.shim at samsung.com> wrote:
>>> On 03/15/2012 07:50 PM, Dave Airlie wrote:
>>>>>
>>>>> G2D is a 2D graphic accelerator that supports Bit Block Transfer. This
>>>>> G2D driver is exynos drm specific and supports only exynos4x12 series.
>>>>> user application fills command set in cmdlist and once dma start request
>>>>> these cmdlists are parsed and performed by dma.
>>>>
>>>> Where is this block documented or a pointer to the corresponding open
>>>> userspace user code?
>>>
>>>
>>> I attach simple g2dtest program patch. The base of this patch is master
>>> branch of lastest libdrm git.
>>>
>>> This user progrem can test just solid color fill example.
>>> I will cleanup and update it for more operations later.
>>>
>>> Thanks.
>>>
>>>
>>>> Again the ioctls look like they need to be depointered and use __u64.
>>>>
>>>> It would be nice if you could document how the command stream and engine
>>>> work.
>>>>
>>>> How does userspace pass addresses to it? straight or via gem objects?
>>>> how does it
>>>> stop userspace blt to places it shouldn't etc.
>>>>
>>>> I'm getting the feeling this accel enabled driver needs a lot more of
>>>> a commit message
>>>> and lot more documentation on what it can be used for.
>>>>
>>>> Dave.
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>>>>
>>>
>>>
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