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

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> Wiadomość napisana przez Piotr Oniszczuk <piotr.oniszczuk@xxxxxxxxx> w dniu 01.04.2022, o godz. 15:05:
> 
> 
> 
>> Wiadomość napisana przez Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> w dniu 01.04.2022, o godz. 14:52:
>> 
>> Based on the discussion with Andy please try the following patch, it
>> should fix your green screen issue. Note that with this patch the
>> CRTC and plane ids will change, so the modetest commands need to be
>> adjusted accordingly.
>> 
>> Sascha
>> 
>> -------------------------8<---------------------------
>> 
>> -- 
>> From cbc03073623a7180243331ac24c3afaf9dec7522 Mon Sep 17 00:00:00 2001
>> From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
>> Date: Fri, 1 Apr 2022 14:48:49 +0200
>> Subject: [PATCH] fixup! drm: rockchip: Add VOP2 driver
>> 
>> ---
>> drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 14 ++++++++++++++
>> 1 file changed, 14 insertions(+)
>> 
>> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
>> index 7dba7b9b63dc6..1421bf2f133f1 100644
>> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
>> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
>> @@ -2287,6 +2287,20 @@ static int vop2_create_crtc(struct vop2 *vop2)
>> 			}
>> 		}
>> 
>> +		if (vop2->data->soc_id == 3566) {
>> +			/*
>> +			 * On RK3566 these windows don't have an independent
>> +			 * framebuffer. They share the framebuffer with smart0,
>> +			 * esmart0 and cluster0 respectively.
>> +			 */
>> +			switch (win->data->phys_id) {
>> +			case ROCKCHIP_VOP2_SMART1:
>> +			case ROCKCHIP_VOP2_ESMART1:
>> +			case ROCKCHIP_VOP2_CLUSTER1:
>> +				continue;
>> +			}
>> +		}
>> +
>> 		if (win->type == DRM_PLANE_TYPE_OVERLAY)
>> 			possible_crtcs = (1 << nvps) - 1;
>> 
>> -- 
>> 2.30.2
>> 
>> Pengutronix e.K.                           |                             |
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>> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |
> 
> Sascha
> 
> Now works perfectly!
> (hd playback with 3.5...5.5% cpu while rendering to drm plane)
> 
> Fantastic work of You!

Sascha,

Having vop2 finally working with drm planes rendering i discovered another issue: overlay osd is invisible at playback. 

context: player draws video on plane #X and osd on overlay plane #Y
When user do i.e. seek at playback - app uses overlay OSD plane to display OSD to user. This approach is used by majority of players (KODI, etc.)

This works well on all platforms i have  - except rk3566 

For me it looks like z-order vop2 issue or alpha blending issue.
As this is only on rk3566 and only on drm-planes mode - issue is vop2 related imho.

what you think?






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