Re: [PATCH v6 6/6] drm/i915: Add NV12 as supported format for sprite plane

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Op 07-05-18 om 10:34 schreef Srinivas, Vidya:
>
>> -----Original Message-----
>> From: Maarten Lankhorst [mailto:maarten.lankhorst@xxxxxxxxxxxxxxx]
>> Sent: Monday, May 7, 2018 1:59 PM
>> To: Srinivas, Vidya <vidya.srinivas@xxxxxxxxx>; intel-
>> gfx@xxxxxxxxxxxxxxxxxxxxx
>> Subject: Re:  [PATCH v6 6/6] drm/i915: Add NV12 as supported
>> format for sprite plane
>>
>> Op 07-05-18 om 10:29 schreef Srinivas, Vidya:
>>>> -----Original Message-----
>>>> From: Maarten Lankhorst [mailto:maarten.lankhorst@xxxxxxxxxxxxxxx]
>>>> Sent: Monday, May 7, 2018 1:55 PM
>>>> To: Srinivas, Vidya <vidya.srinivas@xxxxxxxxx>; intel-
>>>> gfx@xxxxxxxxxxxxxxxxxxxxx
>>>> Subject: Re:  [PATCH v6 6/6] drm/i915: Add NV12 as
>>>> supported format for sprite plane
>>>>
>>>> Op 07-05-18 om 10:20 schreef Srinivas, Vidya:
>>>>>> -----Original Message-----
>>>>>> From: Srinivas, Vidya
>>>>>> Sent: Monday, May 7, 2018 1:46 PM
>>>>>> To: 'Maarten Lankhorst' <maarten.lankhorst@xxxxxxxxxxxxxxx>; intel-
>>>>>> gfx@xxxxxxxxxxxxxxxxxxxxx
>>>>>> Subject: RE:  [PATCH v6 6/6] drm/i915: Add NV12 as
>>>>>> supported format for sprite plane
>>>>>>
>>>>>>
>>>>>>
>>>>>>> -----Original Message-----
>>>>>>> From: Maarten Lankhorst [mailto:maarten.lankhorst@xxxxxxxxxxxxxxx]
>>>>>>> Sent: Monday, May 7, 2018 1:44 PM
>>>>>>> To: Srinivas, Vidya <vidya.srinivas@xxxxxxxxx>; intel-
>>>>>>> gfx@xxxxxxxxxxxxxxxxxxxxx
>>>>>>> Subject: Re:  [PATCH v6 6/6] drm/i915: Add NV12 as
>>>>>>> supported format for sprite plane
>>>>>>>
>>>>>>> Op 07-05-18 om 10:11 schreef Srinivas, Vidya:
>>>>>>>>> -----Original Message-----
>>>>>>>>> From: Maarten Lankhorst
>>>>>>>>> [mailto:maarten.lankhorst@xxxxxxxxxxxxxxx]
>>>>>>>>> Sent: Monday, May 7, 2018 1:38 PM
>>>>>>>>> To: Srinivas, Vidya <vidya.srinivas@xxxxxxxxx>; intel-
>>>>>>>>> gfx@xxxxxxxxxxxxxxxxxxxxx
>>>>>>>>> Subject: Re:  [PATCH v6 6/6] drm/i915: Add NV12 as
>>>>>>>>> supported format for sprite plane
>>>>>>>>>
>>>>>>>>> Op 06-05-18 om 19:44 schreef Vidya Srinivas:
>>>>>>>>>> From: Chandra Konduru <chandra.konduru@xxxxxxxxx>
>>>>>>>>>>
>>>>>>>>>> This patch adds NV12 to list of supported formats for sprite plane.
>>>>>>>>>>
>>>>>>>>>> v2: Rebased (me)
>>>>>>>>>>
>>>>>>>>>> v3: Review comments by Ville addressed
>>>>>>>>>> - Removed skl_plane_formats_with_nv12 and added
>>>>>>>>>> NV12 case in existing skl_plane_formats
>>>>>>>>>> - Added the 10bpc RGB formats
>>>>>>>>>>
>>>>>>>>>> v4: Addressed review comments from Clinton A Taylor "Why are
>> we
>>>>>>>>> adding
>>>>>>>>>> 10 bit RGB formats with the NV12 series patches?
>>>>>>>>>> Trying to set XR30 or AB30 results in error returned even
>>>>>>>>>> though the modes are advertised for the planes"
>>>>>>>>>> - Removed 10bit RGB formats added previously with NV12 series
>>>>>>>>>>
>>>>>>>>>> v5: Missed the Tested-by/Reviewed-by in the previous series
>>>>>>>>>> Adding the same to commit message in this version.
>>>>>>>>>> Addressed review comments from Clinton A Taylor "Why are we
>>>>>> adding
>>>>>>>>>> 10 bit RGB formats with the NV12 series patches?
>>>>>>>>>> Trying to set XR30 or AB30 results in error returned even
>>>>>>>>>> though the modes are advertised for the planes"
>>>>>>>>>> - Previous version has 10bit RGB format removed from VLV
>>>>>>>>>> formats by mistake. Fixing that in this version.
>>>>>>>>>> Removed 10bit RGB formats added previously with NV12 series
>> for
>>>>>> SKL.
>>>>>>>>>> v6: Addressed review comments by Ville Restricting the NV12 to
>>>>>>>>>> BXT and PIPE A and B
>>>>>>>>>>
>>>>>>>>>> v7: Rebased (me)
>>>>>>>>>>
>>>>>>>>>> v8: Rebased (me)
>>>>>>>>>> Restricting NV12 changes to BXT and KBL Restricting NV12
>>>>>>>>>> changes for plane 0 (overlay)
>>>>>>>>>>
>>>>>>>>>> v9: Rebased (me)
>>>>>>>>>>
>>>>>>>>>> v10: Addressed review comments from Maarten.
>>>>>>>>>> Adding NV12 to skl_plane_formats itself.
>>>>>>>>>>
>>>>>>>>>> v11: Addressed review comments from Shashank Sharma
>>>>>>>>>>
>>>>>>>>>> v12: Addressed review comments from Shashank Sharma Made
>> the
>>>>>>>>> condition
>>>>>>>>>> in intel_sprite_plane_create simple and easy to read as
>> suggested.
>>>>>>>>>> v13: Adding reviewed by tag from Shashank Sharma Addressed
>>>> review
>>>>>>>>>> comments from Juha-Pekka Heikkila
>>>>>>>>>> "NV12 not to be supported by SKL"
>>>>>>>>>>
>>>>>>>>>> v14: Addressed review comments from Ville Added
>>>>>> skl_planar_formats
>>>>>>>>>> to include NV12 and a check skl_plane_has_planar in sprite
>>>>>>>>>> create Added
>>>>>>>>>> NV12 format to skl_mod_supported. These were review
>> comments
>>>>>>> from
>>>>>>>>>> Kristian Høgsberg <hoegsberg@xxxxxxxxx>
>>>>>>>>>>
>>>>>>>>>> v15: Added reviewed by from Juha-Pekka Heikkila
>>>>>>>>>>
>>>>>>>>>> v16: Rebased the series
>>>>>>>>>>
>>>>>>>>>> v17: Added all tiling under mod supported for NV12 Credits to
>>>>>>>>>> Megha Aggarwal
>>>>>>>>>>
>>>>>>>>>> v18: Added RB by Maarten and Kristian
>>>>>>>>>>
>>>>>>>>>> Credits-to: Megha Aggarwal <megha.aggarwal@xxxxxxxxx>
>>>>>>>>>> Credits-to: Kristian Høgsberg <hoegsberg@xxxxxxxxx>
>>>>>>>>>> Reviewed-by: Kristian Høgsberg <hoegsberg@xxxxxxxxx>
>>>>>>>>>> Reviewed-by: Maarten Lankhorst
>>>>>> <maarten.lankhorst@xxxxxxxxxxxxxxx>
>>>>>>>>>> Tested-by: Clinton Taylor <clinton.a.taylor@xxxxxxxxx>
>>>>>>>>>> Reviewed-by: Juha-Pekka Heikkila
>> <juhapekka.heikkila@xxxxxxxxx>
>>>>>>>>>> Reviewed-by: Shashank Sharma <shashank.sharma@xxxxxxxxx>
>>>>>>>>>> Reviewed-by: Clinton Taylor <clinton.a.taylor@xxxxxxxxx>
>>>>>>>>>> Signed-off-by: Chandra Konduru <chandra.konduru@xxxxxxxxx>
>>>>>>>>>> Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@xxxxxxxxx>
>>>>>>>>>> Signed-off-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
>>>>>>>>>> ---
>>>>>>>>>>  drivers/gpu/drm/i915/intel_sprite.c | 29
>>>>>>>>>> +++++++++++++++++++++++++++--
>>>>>>>>>>  1 file changed, 27 insertions(+), 2 deletions(-)
>>>>>>>>>>
>>>>>>>>>> diff --git a/drivers/gpu/drm/i915/intel_sprite.c
>>>>>>>>>> b/drivers/gpu/drm/i915/intel_sprite.c
>>>>>>>>>> index c73553a..cdcae9e 100644
>>>>>>>>>> --- a/drivers/gpu/drm/i915/intel_sprite.c
>>>>>>>>>> +++ b/drivers/gpu/drm/i915/intel_sprite.c
>>>>>>>>>> @@ -1180,6 +1180,19 @@ static uint32_t skl_plane_formats[] =
>> {
>>>>>>>>>>  	DRM_FORMAT_VYUY,
>>>>>>>>>>  };
>>>>>>>>>>
>>>>>>>>>> +static uint32_t skl_planar_formats[] = {
>>>>>>>>>> +	DRM_FORMAT_RGB565,
>>>>>>>>>> +	DRM_FORMAT_ABGR8888,
>>>>>>>>>> +	DRM_FORMAT_ARGB8888,
>>>>>>>>>> +	DRM_FORMAT_XBGR8888,
>>>>>>>>>> +	DRM_FORMAT_XRGB8888,
>>>>>>>>>> +	DRM_FORMAT_YUYV,
>>>>>>>>>> +	DRM_FORMAT_YVYU,
>>>>>>>>>> +	DRM_FORMAT_UYVY,
>>>>>>>>>> +	DRM_FORMAT_VYUY,
>>>>>>>>>> +	DRM_FORMAT_NV12,
>>>>>>>>>> +};
>>>>>>>>>> +
>>>>>>>>>>  static const uint64_t skl_plane_format_modifiers_noccs[] = {
>>>>>>>>>>  	I915_FORMAT_MOD_Yf_TILED,
>>>>>>>>>>  	I915_FORMAT_MOD_Y_TILED,
>>>>>>>>>> @@ -1277,6 +1290,12 @@ static bool
>> skl_mod_supported(uint32_t
>>>>>>>>> format, uint64_t modifier)
>>>>>>>>>>  		if (modifier == I915_FORMAT_MOD_Yf_TILED)
>>>>>>>>>>  			return true;
>>>>>>>>>>  		/* fall through */
>>>>>>>>>> +	case DRM_FORMAT_NV12:
>>>>>>>>>> +		if (modifier == DRM_FORMAT_MOD_LINEAR ||
>>>>>>>>>> +		    modifier == I915_FORMAT_MOD_X_TILED ||
>>>>>>>>>> +		    modifier == I915_FORMAT_MOD_Y_TILED ||
>>>>>>>>>> +		    modifier == I915_FORMAT_MOD_Yf_TILED)
>>>>>>>>>> +			return true;
>>>>>>>>> On patch 5 and 6: this is a tad overkill, just put it below
>>>>>>>>> DRM_FORMAT_VYUY and let it fall through. It's not different from
>>>>>>>>> the other formats. :) Otherwise looks good, I'll wait until the
>>>>>>>>> changes from drm-misc- next are merged into
>>>>>>>>> drm-intel-next-queued then this series can be applied with the
>> minor fixup.
>>>>>>>> Sure, thank you. I'll make the change. I did this to fix a review
>>>>>>>> comment - which said all modifiers aren’t Covered for NV12 - when
>>>>>>>> we
>>>>>>> earlier had it under VYUV. Would that be still okay?
>>>>>>> Seems only CCS isn't covered, so putting it there should be fine.
>>>>>>> :)
>>>>>> Oh okay - sure thank you. Will make the change and float the series.
>>>>> Sorry to ask - under VYUV only Yf_TILED returns true. Don’t we need
>>>>> to add the other modifiers like MOD_LINEAR, MOD_X_TILED and
>>>> MOD_Y_TILED?
>>>>>> Regards
>>>>>> Vidya
>>>> This is a C switch, unless there is a break it will continue, so it
>>>> works as intended. :)
>>>>
>>>> For example format UYVY if modifier == Yf_TILED_CCS, it will ignore
>>>> all the lines with case and default, and continue to the end of the
>>>> switch statement, or until it hits a 'break' so the below:
>>> I am so sorry, I did not notice there was no break :( Got confused. Thank
>> you.
>> Yeah, in general that's what the 'fall through' comment is for, to make it
>> clear that the lack of break is intentional and not a bug. :)
> Oh okay, thank you so much. I did not know about that. I have made the change
> and refloated the series. Kindly have a check. https://patchwork.freedesktop.org/series/41674/
> Rev 5.
>
> Regards
> Vidya

Ack, looking good.

Now we only have to wait for the drm-misc-next backmerge, then I will commit this.

~Maarten

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