From 655c64efe36f199bea16f9ba7388c479d5feed5f Mon Sep 17 00:00:00 2001 From: Zhi Wang Date: Tue, 10 Oct 2017 17:24:26 +0800 Subject: [PATCH] drm/i915/gvt: Introduce ops->set_present() We need ops->set_present() during generating a new scratch page table entry. Signed-off-by: Zhi Wang --- drivers/gpu/drm/i915/gvt/gtt.c | 6 ++++++ drivers/gpu/drm/i915/gvt/gtt.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 74be5e6..3d6008b 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -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, diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index ab59027..f98c1c1 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -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); -- 2.7.4