]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit9696517130e2c867cd6a11ec84f7c94368d58fa8
tree862851e6b4bbd517026c04f32e17f7c8262171a0
parent5f722bfb93ef810170c4391fcc2771d7da25d84e
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