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This reverts commit 25fbae15262cf570e207e62f50e7c5233e06bc67, restoring
commit 301ad44cdf1b868b1ab89096721da91fa8541fdc
Author: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Date: Thu Mar 2 10:37:11 2017 +0100
lib: Open debugfs files for the given DRM device
with fixes.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This reverts commit 301ad44cdf1b868b1ab89096721da91fa8541fdc.
When a render-only device is opened and gem_quiescent_gpu is called, we
need to use the debugfs dir for the master device instead.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
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When opening a DRM debugfs file, locate the right path based on the
given DRM device FD.
This is needed so, in setups with more than one DRM device, any
operations on debugfs files affect the expected DRM device.
v2: - rebased and fixed new API additions
v3: - updated chamelium test, which was missed previously
- use the minor of the device for the debugfs path, not the major
- have a proper exit handler for calling igt_hpd_storm_reset with the
right device fd.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Robert Foss <robert.foss@collabora.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
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The Atoms do not have the PCH split, exclude them from HAS_PCH_SPLIT().
At the time, I was planning to add the feature flag and make
intel_pch_type() useful, but for now take the simple option of expanding
th predicate.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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Use INREG instead of using mmio directly.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The watermark registers on the gmch platform are a bit of a mess. Add
a tool to make some sense of them. While at it decode the ilk-bdw wm
registers as well. SKL+ is left out for now since it's a very different
beast.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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