Re: [BUG REPORT] media: coda: mpeg4 decode corruption on i.MX6qp only

From: Sven Van Asbroeck
Date: Thu Feb 11 2021 - 11:32:05 EST

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In reply to: Philipp Zabel: "Re: [BUG REPORT] media: coda: mpeg4 decode corruption on i.MX6qp only"
Next in thread: Sven Van Asbroeck: "Re: [BUG REPORT] media: coda: mpeg4 decode corruption on i.MX6qp only"
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Hi Philipp, thank you so much for looking into this, I really appreciate it !

On Thu, Feb 11, 2021 at 9:32 AM Philipp Zabel <pza@xxxxxxxxxxxxxx> wrote:
>
> Another thing that might help to identify who is writing where might be to
> clear the whole OCRAM region and dump it after running only decode or only
> PRE/PRG scanout, for example:

Great idea, I will try that out. This might take a few days. I am also
dealing with higher priority issues,

>
> Could you check /sys/kernel/debug/dri/?/state while running the error case?

dri state in non-error case:
============================

# cat state
plane[31]: plane-0
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
plane[35]: plane-1
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=1
color-encoding=ITU-R BT.601 YCbCr
color-range=YCbCr limited range
plane[38]: plane-2
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
plane[42]: plane-3
crtc=crtc-2
fb=59
allocated by = X
refcount=2
format=XR24 little-endian (0x34325258)
modifier=0x0
size=1280x1088
layers:
size[0]=1280x1088
pitch[0]=5120
offset[0]=0
obj[0]:
name=2
refcount=4
start=000105e4
size=5570560
imported=no
paddr=0xee800000
vaddr=78a02004
crtc-pos=1280x800+0+0
src-pos=1280.000000x800.000000+0.000000+0.000000
rotation=1
normalized-zpos=0
color-encoding=ITU-R BT.601 YCbCr
color-range=YCbCr limited range
plane[46]: plane-4
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=1
color-encoding=ITU-R BT.601 YCbCr
color-range=YCbCr limited range
plane[49]: plane-5
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[34]: crtc-0
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
crtc[41]: crtc-1
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
crtc[45]: crtc-2
enable=1
active=1
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=8
connector_mask=2
encoder_mask=2
mode: "": 60 67880 1280 1344 1345 1350 800 838 839 841 0x0 0x0
crtc[52]: crtc-3
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
connector[54]: HDMI-A-1
crtc=(null)
self_refresh_aware=0
connector[57]: LVDS-1
crtc=crtc-2
self_refresh_aware=0

dri state in error case:
========================
# cat state
plane[31]: plane-0
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
plane[35]: plane-1
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=1
color-encoding=ITU-R BT.601 YCbCr
color-range=YCbCr limited range
plane[38]: plane-2
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
plane[42]: plane-3
crtc=crtc-2
fb=60
allocated by = X
refcount=2
format=XR24 little-endian (0x34325258)
modifier=0x0
size=3000x1088
layers:
size[0]=3000x1088
pitch[0]=12000
offset[0]=0
obj[0]:
name=1
refcount=4
start=00010b34
size=13058048
imported=no
paddr=0xeee00000
vaddr=37dd5aa6
crtc-pos=1280x800+0+0
src-pos=1280.000000x800.000000+0.000000+0.000000
rotation=1
normalized-zpos=0
color-encoding=ITU-R BT.601 YCbCr
color-range=YCbCr limited range
plane[46]: plane-4
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=1
color-encoding=ITU-R BT.601 YCbCr
color-range=YCbCr limited range
plane[49]: plane-5
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[34]: crtc-0
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
crtc[41]: crtc-1
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
crtc[45]: crtc-2
enable=1
active=1
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=8
connector_mask=2
encoder_mask=2
mode: "": 60 67880 1280 1344 1345 1350 800 838 839 841 0x0 0x0
crtc[52]: crtc-3
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
connector[54]: HDMI-A-1
crtc=(null)
self_refresh_aware=0
connector[57]: LVDS-1
crtc=crtc-2
self_refresh_aware=0

Next message: Alexander Lobakin: "Re: [PATCH v4 net-next 09/11] skbuff: allow to optionally use NAPI cache from __alloc_skb()"
Previous message: kernel test robot: "include/linux/compiler_types.h:319:38: error: call to '__compiletime_assert_234' declared with attribute error: BUILD_BUG_ON failed: FIX_KMAP_SLOTS > PTRS_PER_PTE"
In reply to: Philipp Zabel: "Re: [BUG REPORT] media: coda: mpeg4 decode corruption on i.MX6qp only"
Next in thread: Sven Van Asbroeck: "Re: [BUG REPORT] media: coda: mpeg4 decode corruption on i.MX6qp only"
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