Re: [PATCH v9 00/23] drm/rockchip: RK356x VOP2 support

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> Wiadomość napisana przez Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> w dniu 07.04.2022, o godz. 12:16:
> 
> 
> Yes, and it raises a few more ;)

pls see at end of email: DRI state with playback

> 
>> 
>> player:
>> 
>> 2022-04-06 17:52:26.424487 I Display: Geometry: 1920x1080+0+0 Size(Qt): 930mmx530mm
>> 2022-04-06 17:52:26.424922 I /dev/dri/card0 Qt EGLFS/KMS Fd:5 Crtc id:49 Connector id:51 Atomic: 1
>> 2022-04-06 17:52:26.425061 I /dev/dri/card0: Authenticated
>> 2022-04-06 17:52:26.534362 I /dev/dri/card0: Found 3 planes; 3 for this CRTC
>> 2022-04-06 17:52:26.534384 I /dev/dri/card0: Selected Plane #37 Overlay for video
>> 2022-04-06 17:52:26.534430 I /dev/dri/card0: Supported DRM video formats: NV12,NV16,NV24,YVYU,VYUY
>> 2022-04-06 17:52:26.534437 I /dev/dri/card0: Selected Plane #43 Overlay for GUI
>> 2022-04-06 17:52:26.534480 I /dev/dri/card0: DRM device retrieved from Qt
>> 2022-04-06 17:52:26.534489 I /dev/dri/card0: Multi-plane setup: Requested: 1 Setup: 1
>> 
>> so:
>> plane #37 is where video is drawing
>> plane #43 is GUI/OSD
>> 
>> 
>> dri state:
>> 
>> root@Myth-Frontend-06c7e973c2f1:~ # cat /sys/kernel/debug/dri/0/state
>> plane[31]: Smart0-win0
>>        crtc=video_port0
>>        fb=58
>>                allocated by = mythfrontend
>>                refcount=2
>>                format=XR24 little-endian (0x34325258)
>>                modifier=0x0
>>                size=1920x1080
>>                layers:
>>                        size[0]=1920x1080
>>                        pitch[0]=7680
>>                        offset[0]=0
>>                        obj[0]:
>>                                name=0
>>                                refcount=4
>>                                start=00000000
>>                                size=8294400
>>                                imported=no
>>        crtc-pos=1920x1080+0+0
>>        src-pos=1920.000000x1080.000000+0.000000+0.000000
>>        rotation=1
>>        normalized-zpos=0
>>        color-encoding=ITU-R BT.601 YCbCr
>>        color-range=YCbCr limited range
> 
> Ok, this seems to be the base plane.
> 
>> plane[37]: Esmart0-win0
>>        crtc=(null)
> 
> crtc=null? Did you capture the state without a video playing? Otherwise
> I would expect a crtc associated here.

Indeed. This was from player sitting in UI (no playback).
Pls see at bottom of email state with video playback
(it has crtc=video_port0)  

> 
>>        fb=0
>>        crtc-pos=1920x1080+0+0
>>        src-pos=1920.000000x1080.000000+0.000000+0.000000
>>        rotation=1
>>        normalized-zpos=0
>>        color-encoding=ITU-R BT.601 YCbCr
>>        color-range=YCbCr limited range
>> plane[43]: Cluster0-win0
>>        crtc=(null)
> 
> This plane is selected for OSD by your application. The cluster windows
> can't show a regular linear framebuffer, they can only do AFBC. You'll
> see that in modetest:
> 
> 	in_formats blob decoded:
>                 XR24:  ARM_BLOCK_SIZE=16x16,
> 			 ARM_BLOCK_SIZE=16x16,MODE=SPARSE
> 			 ARM_BLOCK_SIZE=16x16,MODE=YTR
> 			 ARM_BLOCK_SIZE=16x16,MODE=CBR
> 			 ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE
> 			 ARM_BLOCK_SIZE=16x16,MODE=SPARSE|CBR
> 			 ARM_BLOCK_SIZE=16x16,MODE=YTR|CBR
> 			 ARM_BLOCK_SIZE=16x16,MODE=YTR|SPARSE|CBR
> 			 ARM_BLOCK_SIZE=16x16,MODE=YTR|SPLIT|SPARSE
> 		...
> 
> The other windows show "XR24: LINEAR" here. Does your application use
> the GPU to render the OSD?

Yes.

> Otherwise I doubt your application can
> handle this format, so it should not use this layer.
> 
>>        fb=0
>>        crtc-pos=0x0+0+0
>>        src-pos=0.000000x0.000000+0.000000+0.000000
>>        rotation=1
>>        normalized-zpos=0
> 
> I would be interested in this output when the player is actually playing
> something.

Pls see at bottom.

> This normalized-zpos puzzles me a bit.

I'm not surprised :-).
You are puzzled probably because rk35xx current VOP2 code requires - from me - to force Z-position = 0 in Qt if I want to have GUI visible on screen.
Without this screen is black. 
This seems to be i think - another issue to resolve (no any other SoC requires this....).
I'm not sure where issue is - but as i need to do this only on VOP2 - i think there is somewhere something not right in VOP2 code.        

> Normally it should be
> unique over all enabled planes for a CRTC. Maybe 0 is ok here because
> it's currently not associated to any CRTC.

It is because of me setting it to 0 (see explanations above)  

> 
> 

DRI state with video playback:

root@Myth-Frontend-06c7e973c2f1:~ # cat /sys/kernel/debug/dri/0/state
plane[31]: Smart0-win0
        crtc=video_port0
        fb=55
                allocated by = mythfrontend
                refcount=2
                format=XR24 little-endian (0x34325258)
                modifier=0x0
                size=1920x1080
                layers:
                        size[0]=1920x1080
                        pitch[0]=7680
                        offset[0]=0
                        obj[0]:
                                name=0
                                refcount=4
                                start=00000000
                                size=8294400
                                imported=no
        crtc-pos=1920x1080+0+0
        src-pos=1920.000000x1080.000000+0.000000+0.000000
        rotation=1
        normalized-zpos=1
        color-encoding=ITU-R BT.601 YCbCr
        color-range=YCbCr limited range
plane[37]: Esmart0-win0
        crtc=video_port0
        fb=65
                allocated by = mythfrontend
                refcount=2
                format=NV12 little-endian (0x3231564e)
                modifier=0x0
                size=1920x1080
                layers:
                        size[0]=1920x1080
                        pitch[0]=1920
                        offset[0]=0
                        obj[0]:
                                name=0
                                refcount=3
                                start=00000000
                                size=3657728
                                imported=yes
                        size[1]=960x540
                        pitch[1]=1920
                        offset[1]=2088960
                        obj[1]:
                                name=0
                                refcount=3
                                start=00000000
                                size=3657728
                                imported=yes
        crtc-pos=1920x1080+0+0
        src-pos=1920.000000x1080.000000+0.000000+0.000000
        rotation=1
        normalized-zpos=0
        color-encoding=ITU-R BT.601 YCbCr
        color-range=YCbCr limited range
plane[43]: Cluster0-win0
        crtc=(null)
        fb=0
        crtc-pos=0x0+0+0
        src-pos=0.000000x0.000000+0.000000+0.000000
        rotation=1
        normalized-zpos=0
        color-encoding=ITU-R BT.601 YCbCr
        color-range=YCbCr limited range
crtc[49]: video_port0
        enable=1
        active=1
        self_refresh_active=0
        planes_changed=1
        mode_changed=0
        active_changed=0
        connectors_changed=0
        color_mgmt_changed=0
        plane_mask=3
        connector_mask=1
        encoder_mask=1
        mode: "1920x1080": 50 148500 1920 2448 2492 2640 1080 1084 1089 1125 0x40 0x5
connector[51]: HDMI-A-1
        crtc=video_port0
        self_refresh_aware=0



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