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One significant usecase for intel_reg/etc. is to be able to examine
the hardware state *before* loading the driver. If the tool forces
the driver to load we've totally lost that capability.
This reverts commit 8ae86621d6fff60b6e20c6b0f9b336785c935b0f.
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Michał Winiarski <michal.winiarski@intel.com>
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It allows us to make things a little bit more generic. Also, we now
require fd rather than doing guesswork when it comes to pci address.
v2: Use readlinkat rather than string concat, move stuff around, provide
a version that does not assert. (Chris)
v3: Print addr on failure, avoid assignment in conditionals. (Chris)
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Since the tools want to work without the module loaded, remove the
assumption that we want to load the driver to find debugfs.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjala <ville.syrjala@linux.intel.com>
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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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With the header cleanup we can now give this header a suitable name,
since it now really only contains register access and other I/O
functions and assorted definitions.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Only include what the header itself needs. The big fish here is
intel-gpu-tools.h. More will follow.
One ugly thing removed here is the duplicated GEN6_TD_CTL #define, one
of which was broken.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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