drm/i915/tgl: add GEN12_MAX_CONTEXT_HW_ID
authorDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Sat, 17 Aug 2019 09:38:50 +0000 (02:38 -0700)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 20 Aug 2019 13:23:45 +0000 (14:23 +0100)
commit6d26d9bbf59a01ac99488252356348ae066a2c38
tree862851e6b4bbd517026c04f32e17f7c8262171a0
parent487f471da34d2a29383e792ec512d0c4ab10da12
drm/i915/tgl: add GEN12_MAX_CONTEXT_HW_ID

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
drivers/gpu/drm/i915/gem/i915_gem_context.c
drivers/gpu/drm/i915/i915_drv.h