[Bug 93921] New: [APL] pm_lpsp skip

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93921

            Bug ID: 93921
           Summary: [APL] pm_lpsp skip
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: christophe.prigent at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 121382
  --> https://bugs.freedesktop.org/attachment.cgi?id=121382&action=edit
kern.log

Setup:
======
Platform: Broxton P A0 Platform
CPU Name : Intel(R) @ 1.2 GHz (family: 6, model: 92, stepping: 8) – 4 cores
SoC : BROXTON-P A0
CRB :  Apollo Lake RVPC1 Fab1 
Reworks : R14, R06C and R16

Software:
=========
BIOS (IFWI Version): APLK_IFWI_X64_R_2015_41_5_02 
KSC : 1.02
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.4.0 8114b00 from
http://cgit.freedesktop.org/drm-intel/
drm: tag libdrm-2.4.66 e342c0f from http://cgit.freedesktop.org/mesa/drm/
mesa: tag mesa-11.0.8 261daab from http://cgit.freedesktop.org/mesa/mesa/
cairo: tag 1.15.2 db8a7f1 from http://cgit.freedesktop.org/cairo
waffle: master bb29b2a from https://github.com/waffle-gl/waffle
xorg-server-macros: master d7acec2 from
git://git.freedesktop.org/git/xorg/util/macros
libva: tag libva-1.6.1 cb418f6 from http://cgit.freedesktop.org/libva/
vaapi-intel-driver: tag 1.6.1 2110b3a from
http://cgit.freedesktop.org/vaapi/intel-driver

Tool:
======
intel-gpu-tool: tag intel-gpu-tools-1.13 51e965f from
http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/
Monitors: Asus PB287Q (4K)

Steps:
------
Boot with kernel boot command line i915.disable_power_well=0
1. Execute command: fbset -xres 1800 -yres 1024 
2. Connect any external screen
3. Execute command:
dmesg |grep power_well
4. Execute command:
sudo -s
cd <…>/intel-gpu-tools/tests
./pm_lpsp

Actual results:
---------------
3. Command returns:
[    0.785680] [drm:intel_power_well_enable] enabling always-on
[    0.785680] [drm:intel_power_well_enable] enabling power well 1
[    0.785682] [drm:intel_power_well_enable] enabling DC off
[    0.785684] [drm:intel_power_well_enable] enabling power well 2
4. Tests are skip:
IGT-Version: 1.13-NOT-GIT (x86_64) (Linux: 4.4.0-nightly+ x86_64)
Test requirement not met in function __real_main213, file pm_lpsp.c:232:
Test requirement: supports_lpsp(devid)
Subtest screens-disabled: SKIP
Subtest edp-native: SKIP
Subtest edp-panel-fitter: SKIP
Subtest non-edp: SKIP

Expected result:
-----------------
3. Log shows disabling power well
4. Tests are Pass

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