[Bug 109545] intel_gt(dev_id) function returns wrong gt size on some device IDs

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Bug ID 109545
Summary intel_gt(dev_id) function returns wrong gt size on some device IDs
Product DRI
Version XOrg git
Hardware x86-64 (AMD64)
OS All
Status NEW
Severity critical
Priority medium
Component IGT
Assignee dri-devel@lists.freedesktop.org
Reporter andrey.orlov@intel.com

I've built "perf" test tool from the intel_gpu_tools and started it on two
systems:

SKL-GT4(0x193B):

root@nnt-sklnuc-andreyor:/msdk/intel-gpu-tools/installed_build/libexec/igt-gpu-tools#
./perf
IGT-Version: 1.23-gcb6610f5 (x86_64) (Linux: 4.19.5 x86_64)
Starting subtest: i915-ref-count
init_sys_info function
SKYLAKE intel_gt(devid) = 3
Subtest i915-ref-count: SUCCESS (0,083s)

CFL-GT2(0x3E91):

root@nnt-cfl03:/msdk/WORKER/exec_dir# ./perf
IGT-Version: 1.23-gcb6610f5 (x86_64) (Linux: 4.19.5 x86_64)
Starting subtest: i915-ref-count
init_sys_info function
COFFEELAKE intel_gt(devid) = 9
Test requirement not met in function test_i915_ref_count, file perf.c:4053:
Test requirement: init_sys_info()
Subtest i915-ref-count: SKIP (0.000s)

So, on CFL-GT2(device_id = 0x3E91): intel_gt(devid) = 9.


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