drm/i915: Store backpointer to GT in uncore

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We now support a per-gt uncore, yet we're not able to infer which GT
we're operating upon.  Let's store a backpointer for now.

At this point the early initialization of the gt needs to be
broken in two parts where the first is needed to assign to the gt
the i915 private data pointer and the uncore. A temporary
function has been made and the two parts are
__intel_gt_init_early() and intel_gt_init_early(). This split
will be fixed in the future with the multitile patch.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211214193346.21231-2-andi.shyti@linux.intel.com

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This commit is contained in:

Michał Winiarski 2021-12-14 21:33:31 +02:00 • committed by Matt Roper

parent 0013f5f5c0

commit 030def2cc9

7 changed files with 21 additions and 14 deletions

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11

drivers/gpu/drm/i915/gt/intel_gt.c

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1

drivers/gpu/drm/i915/gt/intel_gt.h

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5

drivers/gpu/drm/i915/i915_drv.c

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9

drivers/gpu/drm/i915/intel_uncore.c

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3

drivers/gpu/drm/i915/intel_uncore.h

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4

drivers/gpu/drm/i915/selftests/mock_gem_device.c

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2

drivers/gpu/drm/i915/selftests/mock_uncore.c

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