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253acc34af
This is something I sometimes want to do in testing, to see if a mystery bug (say, 29172) is due to broken clock gating. Sadly, in this case it isn't. Note that it isn't supported on non-ILK chipsets yet.
73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Zhenyu Wang <zhenyuw@linux.intel.com>
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*
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <err.h>
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#include <string.h>
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#include "intel_gpu_tools.h"
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int main(int argc, char** argv)
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{
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struct pci_device *pci_dev;
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uint32_t temp;
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pci_dev = intel_get_pci_device();
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intel_get_mmio(pci_dev);
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if (IS_IRONLAKE(pci_dev->device_id)) {
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printf("Restore method:\n");
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printf("intel_reg_write 0x%x 0x%08x\n",
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PCH_3DCGDIS0, INREG(PCH_3DCGDIS0));
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OUTREG(PCH_3DCGDIS0, 0xffffffff);
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printf("intel_reg_write 0x%x 0x%08x\n",
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PCH_3DCGDIS1, INREG(PCH_3DCGDIS1));
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OUTREG(PCH_3DCGDIS1, 0xffffffff);
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printf("intel_reg_write 0x%x 0x%08x\n",
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PCH_3DRAMCGDIS0, INREG(PCH_3DRAMCGDIS0));
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OUTREG(PCH_3DRAMCGDIS0, 0xffffffff);
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printf("intel_reg_write 0x%x 0x%08x\n",
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PCH_DSPCLK_GATE_D, INREG(PCH_DSPCLK_GATE_D));
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OUTREG(PCH_DSPCLK_GATE_D, 0xffffffff);
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printf("intel_reg_write 0x%x 0x%08x\n",
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PCH_DSPRAMCLK_GATE_D, INREG(PCH_DSPRAMCLK_GATE_D));
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OUTREG(PCH_DSPRAMCLK_GATE_D, 0xffffffff);
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} else {
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fprintf(stderr, "unsupported chipset\n");
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}
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return 0;
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}
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