[Bug 73642] New: [nv Regression]Many pm_pc8 subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73642

          Priority: high
            Bug ID: 73642
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [nv Regression]Many pm_pc8 subcases fail
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 92108
  --> https://bugs.freedesktop.org/attachment.cgi?id=92108&action=edit
dmesg

System Environment:
--------------------------
Platform: Haswell(nv)
Kernel: (drm-intel-nightly)07db3e0b8568d81226e2e17dbb1b340668cb2287

Bug detailed description:
-------------------------
Many pm_pc8 subcases fail on haswell with NVIDIA card GT440.
They fail on -nightly and -queued kernel, work well on -fixes kernel. 

The latest known good commit:d299cce76e001406df40c4ff712b33fccbce1222
The latest known bad commit: 534e3730732ee01e43cefa02240b0552a62781e4

run subcase i2c
output:
Runtime PM support: 1
PC8 residency support: 0
Test assertion failure function enable_one_screen, file pm_pc8.c:354:
Last errno: 5, Input/output error
Failed assertion: enable_one_screen_with_type(data, SCREEN_TYPE_ANY)
Subtest i2c: FAIL

Reproduce steps:
----------------
1. ./pm_pc8 --run-subtest i2c

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