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intel_reg_dumper: use intel_register_access_init/fini

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We need to hold forcewake lock in order to be able to read GT registers.
Otherwise, when the GPU is in RC6 mode, we'll read all zeros.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
This commit is contained in:
Eugeni Dodonov 2012-06-21 14:31:34 -03:00
parent f7e356d9cd
commit c6fe31bc47
1 changed files with 3 additions and 1 deletions
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4
tools/intel_reg_dumper.c
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@ -2177,7 +2177,7 @@ int main(int argc, char** argv)
pci_dev = intel_get_pci_device();
devid = pci_dev->device_id;
intel_get_mmio(pci_dev);
intel_register_access_init(pci_dev, 1);
if (HAS_PCH_SPLIT(devid))
intel_check_pch();
@ -2201,5 +2201,7 @@ int main(int argc, char** argv)
if (IS_HASWELL(devid))
intel_dump_regs(haswell_debug_regs);
intel_register_access_fini();
return 0;
}