drm/i915/tgl: add GEN12_MAX_CONTEXT_HW_ID

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Like Gen11, Gen12 has 11 available bits for the ctx id field. However,
the last value (0x7FF) is reserved to indicate engine idle, so we
need to reduce the maximum number of contexts by 1 compared to Gen11.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190817093902.2171-29-lucas.demarchi@intel.com

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Daniele Ceraolo Spurio 2019-08-17 02:38:50 -07:00 • committed by Chris Wilson

parent 487f471da3

commit 6d26d9bbf5

2 changed files with 5 additions and 1 deletions

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4

drivers/gpu/drm/i915/gem/i915_gem_context.c

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2

drivers/gpu/drm/i915/i915_drv.h

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