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drm/i915/gvt: use context lrc_reg_state for shadow ppgtt override

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We can replace kmap by using context's lrc_reg_state directly
for shadow ppgtt table override.

Reviewed-by: Yan Zhao <yan.y.zhao@intel.com>
Cc: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200506095948.124979-1-zhenyuw@linux.intel.com
This commit is contained in:
Zhenyu Wang 2020-05-06 17:59:48 +08:00
parent bec3df930f
commit 47e51832ae
1 changed files with 2 additions and 6 deletions
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8
drivers/gpu/drm/i915/gvt/scheduler.c
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@ -58,10 +58,8 @@ static void set_context_pdp_root_pointer(
static void update_shadow_pdps(struct intel_vgpu_workload *workload)
{
struct drm_i915_gem_object *ctx_obj =
workload->req->context->state->obj;
struct execlist_ring_context *shadow_ring_context;
struct page *page;
struct intel_context *ctx = workload->req->context;
if (WARN_ON(!workload->shadow_mm))
return;
@ -69,11 +67,9 @@ static void update_shadow_pdps(struct intel_vgpu_workload *workload)
if (WARN_ON(!atomic_read(&workload->shadow_mm->pincount)))
return;
page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN);
shadow_ring_context = kmap(page);
shadow_ring_context = (struct execlist_ring_context *)ctx->lrc_reg_state;
set_context_pdp_root_pointer(shadow_ring_context,
(void *)workload->shadow_mm->ppgtt_mm.shadow_pdps);
kunmap(page);
}
/*