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drm/i915/gvt: Introduce ops->set_present()

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We need ops->set_present() during generating a new scratch page table
entry.

Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
This commit is contained in:
Zhi Wang 2017-10-10 17:24:26 +08:00 committed by Zhenyu Wang
parent 054f4eba2a
commit 655c64efe3
2 changed files with 7 additions and 0 deletions
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6
drivers/gpu/drm/i915/gvt/gtt.c
View File

@ -397,6 +397,11 @@ static void gtt_entry_clear_present(struct intel_gvt_gtt_entry *e)
e->val64 &= ~BIT(0);
}
static void gtt_entry_set_present(struct intel_gvt_gtt_entry *e)
{
e->val64 |= BIT(0);
}
/*
* Per-platform GMA routines.
*/
@ -426,6 +431,7 @@ static struct intel_gvt_gtt_pte_ops gen8_gtt_pte_ops = {
.get_entry = gtt_get_entry64,
.set_entry = gtt_set_entry64,
.clear_present = gtt_entry_clear_present,
.set_present = gtt_entry_set_present,
.test_present = gen8_gtt_test_present,
.test_pse = gen8_gtt_test_pse,
.get_pfn = gen8_gtt_get_pfn,

1
drivers/gpu/drm/i915/gvt/gtt.h
View File

@ -62,6 +62,7 @@ struct intel_gvt_gtt_pte_ops {
struct intel_vgpu *vgpu);
bool (*test_present)(struct intel_gvt_gtt_entry *e);
void (*clear_present)(struct intel_gvt_gtt_entry *e);
void (*set_present)(struct intel_gvt_gtt_entry *e);
bool (*test_pse)(struct intel_gvt_gtt_entry *e);
void (*set_pfn)(struct intel_gvt_gtt_entry *e, unsigned long pfn);
unsigned long (*get_pfn)(struct intel_gvt_gtt_entry *e);