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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Display corruption(Sometimes) + multiple traces of mouse + system slow (slow refresh) + display does not show input characters immediately on PSR2 Panel"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111749#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Display corruption(Sometimes) + multiple traces of mouse + system slow (slow refresh) + display does not show input characters immediately on PSR2 Panel"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111749">bug 111749</a>
from <span class="vcard"><a class="email" href="mailto:gaurav.k.singh@intel.com" title="gaurav.k.singh@intel.com">gaurav.k.singh@intel.com</a>
</span></b>
<pre>These issues happen only with AUO PSR2 panel, not with Innolux PSR2 panel on
Gen9 chromebooks.
Collected the below data to start with:
localhost ~ # cat /sys/kernel/debug/dri/0/i915_display_info
CRTC info
---------
CRTC 51: pipe: A, active=yes, (size=1920x1080), dither=no, bpp=24
fb: 133, pos: 0x0, size: 1920x1080
encoder 94: type: DDI A, connectors:
connector 95: type: eDP-1, status: connected, mode:
"1920x1080": 60 141000 1920 1936 1952 2104 1080 1083 1097 1116
0x48 0xa
cursor visible? no, position (0, 0), size 0x0, addr 0x00000000
num_scalers=2, scaler_users=0 scaler_id=-1, scalers[0]: use=no,
mode=10000000, scalers[1]: use=no, mode=0
--Plane id 31: type=PRI, crtc_pos= 0x 0, crtc_size=1920x1080,
src_pos=0.0000x0.0000, src_size=1920.0000x1080.0000, format=XR24 little-endian
(0x34325258), rotation=0 (0x00000001)
--Plane id 39: type=OVL, crtc_pos= 0x 0, crtc_size= 0x 0,
src_pos=0.0000x0.0000, src_size=0.0000x0.0000, format=N/A, rotation=0
(0x00000001)
--Plane id 47: type=CUR, crtc_pos= 0x 0, crtc_size= 0x 0,
src_pos=0.0000x0.0000, src_size=0.0000x0.0000, format=N/A, rotation=0
(0x00000001)
underrun reporting: cpu=yes pch=yes
CRTC 72: pipe: B, active=no, (size=0x0), dither=no, bpp=0
underrun reporting: cpu=yes pch=yes
CRTC 93: pipe: C, active=no, (size=0x0), dither=no, bpp=0
underrun reporting: cpu=yes pch=yes
Connector info
--------------
connector 95: type eDP-1, status: connected
physical dimensions: 310x170mm
subpixel order: Unknown
CEA rev: 0
DPCD rev: 14
audio support: no
fixed mode:
"1920x1080": 60 141000 1920 1936 1952 2104 1080 1083 1097 1116
0x48 0xa
DP branch device present: no
modes:
"1920x1080": 60 141000 1920 1936 1952 2104 1080 1083 1097 1116
0x48 0xa
"1920x1080": 48 112800 1920 1936 1952 2104 1080 1083 1097 1116
0x40 0xa
connector 101: type DP-1, status: disconnected
connector 109: type DP-2, status: disconnected
localhost ~ # cat /sys/kernel/debug/dri/0/i915_edp_psr_status
Sink support: yes [0x03]
PSR mode: PSR2 enabled
Source PSR ctl: enabled [0xc0000016]
Source PSR status: SLEEP [0x300b0130]
Busy frontbuffer bits: 0x00000000
Frame: PSR2 SU blocks:
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
localhost ~ # cat /sys/kernel/debug/dri/0/eDP-1/i915_psr_sink_status
Sink PSR status: 0x2 [active, display from RFB]
localhost ~ # cat /sys/kernel/debug/dri/0/eDP-1/i915_dpcd
0000: 14 0a 82 41 00 00 01 c0 02 00 00 00 0f 09 80
0070: 03 1b
0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0100: 00 82 00 00 00 00 00 00 01 08 00
0200: 01 00 00 00 80 01 00 00
0600: 01
0700: 04
0701: fb ff 00 00
0720: 01 03 ff ff 10 0a 10 00 01 00 01 00 00 c0 00 00
0732: 00 14
localhost ~ # cat /sys/kernel/debug/dri/0/eDP-1/i915_panel_timings
Panel power up delay: 200
Panel power down delay: 50
Backlight on delay: 1
Backlight off delay: 200</pre>
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