[Intel-gfx] [PATCH] Documentation/drm: Update rotation property with 90/270 and description

Jindal, Sonika sonika.jindal at intel.com
Tue May 19 23:39:04 PDT 2015



On 5/13/2015 9:57 AM, Jindal, Sonika wrote:
>
>
> On 5/12/2015 6:20 PM, Ville Syrjälä wrote:
>> On Wed, Apr 15, 2015 at 04:05:19PM +0530, Sonika Jindal wrote:
>>> Cc: dri-devel at lists.freedesktop.org
>>> Signed-off-by: Sonika Jindal <sonika.jindal at intel.com>
>>> ---
>>>   Documentation/DocBook/drm.tmpl |    7 +++++--
>>>   1 file changed, 5 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/Documentation/DocBook/drm.tmpl
>>> b/Documentation/DocBook/drm.tmpl
>>> index f4976cd..266d50a 100644
>>> --- a/Documentation/DocBook/drm.tmpl
>>> +++ b/Documentation/DocBook/drm.tmpl
>>> @@ -2853,9 +2853,12 @@ void intel_crt_init(struct drm_device *dev)
>>>       <td rowspan="1" valign="top" >Plane</td>
>>>       <td valign="top" >“rotation”</td>
>>>       <td valign="top" >BITMASK</td>
>>> -    <td valign="top" >{ 0, "rotate-0" }, { 2, "rotate-180" }</td>
>>> +    <td valign="top" >{ 0, "rotate-0" }, { 1, "rotate-90" },
>>> +                { 2, "rotate-180" }, { 3, "rotate-270" }</td>
>>>       <td valign="top" >Plane</td>
>>> -    <td valign="top" >TBD</td>
>>> +    <td valign="top" >To set plane HW rotation. This rotation
>>> property does
>>> +        the plane rotation in counter clockwise direction which is
>>> +        inline with the way XRandr works.</td>
>>
>> I would suggest moving the thing to the generci props section since we
>> have omap and i915 both supporting it.
> You mean in DRM properties section?
> Right now, OMAP section also has rotation property. I will remove it
> from OMAP section as well if you think drm is the better place.
>
>>
>> As for the description, we should also document the reflect flags.
>>
Also, i915 doesn't support reflect flags. Only rotation is supported there.
For the "generic" part, you meant just moving to the generic group in 
i915 property section?
>> I might write it as something like this:
>> "rotate-0,rotate-90,rotate-180,rotate-270 rotate the image by the
>> specified amount in degrees in a counter clockwise direction.
>> reflect-x,reflect-y reflect the image along the specified axis,
>> prior to rotation."
>>
>>>       </tr>
>>>       <tr>
>>>       <td rowspan="17" valign="top" >SDVO-TV</td>
>>> --
>>> 1.7.10.4
>>>
>>> _______________________________________________
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>>> Intel-gfx at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>>


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