Re: [PATCH 11/11] tests/kms_rotation_crc: IGT for 180 degree HW rotation

["Jindal, Sonika" <sonika.jindal@intel.com>]

On 6/25/2014 11:27 AM, Chris Wilson wrote:
> On Wed, Jun 25, 2014 at 11:24:27AM +0530, Jindal, Sonika wrote:
>>
>>
>> On 6/18/2014 5:09 PM, Chris Wilson wrote:
>>> On Wed, Jun 18, 2014 at 12:32:00PM +0100, Damien Lespiau wrote:
>>>> On Wed, Jun 18, 2014 at 02:27:27PM +0530, sonika.jindal@intel.com wrote:
>>>>> From: Sonika Jindal <sonika.jindal@intel.com>
>>>>>
>>>>> Testcase for 180 degree HW rotation
>>>>>
>>>>> Cc: sagar.a.kamble@intel.com
>>>>>
>>>>> Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
>>>>
>>>> The test looks good to me (I haven't checked in details, the bar for igt
>>>> is quite a bit lower). It shows two gaps in the igt kms API:
>>>>
>>>>    - Retrieving the primary plane (there's a series from Matt fixing this
>>>>      and exposing the primary plane through igt_output_get_plane())
>>>>    - Adding a set_property() convenience function
>>>>      (ala igt_plane_set_property("rotation", BIT(DRM_ROTATE_180)))
>>>>      (no-one is working on that just yet, can de done later)
>>>>
>>>> A small question before pushing this, have you checked that the test
>>>> correctly skips when running with a kernel without rotation support?
>>>
>>> Note: don't push userspace using new ABI until that ABI has been
>>> agreed upon and committed to the kernel.
>>> -Chris
>>>
>> Hi Chris,
>> Are you referring to igt kms APIs? In this igt we are not using any
>> API which is not merged.
>
> API also includes property names. If you are happy that everything is
> upstream, then it cannot change and is ready to be used. Otherwise we
> just end up with broken tests.
> -Chris
>
Ok, got it. This test will not be merged unless the rotation patches and 
the documentation is merged.
-Sonika