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drm/i915: Remove lrc default desc from GEM context

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We only compute the lrc_descriptor() on pinning the context, i.e.
infrequently, so we do not benefit from storing the template as the
addressing mode is also fixed for the lifetime of the intel_context.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190730133035.1977-9-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2019-07-30 14:30:26 +01:00
parent 8ef7e3409c
commit a1c9ca223c
4 changed files with 10 additions and 35 deletions
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3
drivers/gpu/drm/i915/gvt/scheduler.c
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@@ -291,9 +291,6 @@ shadow_context_descriptor_update(struct intel_context *ce,
* Update bits 0-11 of the context descriptor which includes flags
* like GEN8_CTX_* cached in desc_template
*/
desc &= U64_MAX << 12;
desc |= ce->gem_context->desc_template & ((1ULL << 12) - 1);
desc &= ~(0x3 << GEN8_CTX_ADDRESSING_MODE_SHIFT);
desc |= workload->ctx_desc.addressing_mode <<
GEN8_CTX_ADDRESSING_MODE_SHIFT;