drm/i915: Report steering details in debugfs

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Add a new 'steering' node in each gt's debugfs directory that tells
whether we're using explicit steering for various types of MCR ranges
and, if so, what MMIO ranges it applies to.

We're going to be transitioning away from implicit steering, even for
slice/dss steering soon, so the information reported here will become
increasingly valuable once that happens.

v2:
 - Adding missing 'static' on intel_steering_types[]  (Jose, sparse)
v3:
 - "static const char *" -> "static const char * const" (sparse)

Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315170250.954380-1-matthew.d.roper@intel.com

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This commit is contained in:

Matt Roper 2022-03-15 10:02:50 -07:00

parent 4dc3a1e52f

commit b7563ec7d9

5 changed files with 73 additions and 1 deletions

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46

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

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2

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

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13

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

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5

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

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8

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

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