diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.h | 3 |
2 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 3dae75b5b574..34c401fb37d1 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -348,6 +348,9 @@ static inline int gtt_set_entry64(void *pt, #define ADDR_64K_MASK GENMASK_ULL(GTT_HAW - 1, 16) #define ADDR_4K_MASK GENMASK_ULL(GTT_HAW - 1, 12) +#define GTT_SPTE_FLAG_MASK GENMASK_ULL(62, 52) +#define GTT_SPTE_FLAG_64K_SPLITED BIT(52) /* splited 64K gtt entry */ + static unsigned long gen8_gtt_get_pfn(struct intel_gvt_gtt_entry *e) { unsigned long pfn; @@ -427,6 +430,21 @@ static void gtt_entry_set_present(struct intel_gvt_gtt_entry *e) e->val64 |= _PAGE_PRESENT; } +static bool gen8_gtt_test_64k_splited(struct intel_gvt_gtt_entry *e) +{ + return !!(e->val64 & GTT_SPTE_FLAG_64K_SPLITED); +} + +static void gen8_gtt_set_64k_splited(struct intel_gvt_gtt_entry *e) +{ + e->val64 |= GTT_SPTE_FLAG_64K_SPLITED; +} + +static void gen8_gtt_clear_64k_splited(struct intel_gvt_gtt_entry *e) +{ + e->val64 &= ~GTT_SPTE_FLAG_64K_SPLITED; +} + /* * Per-platform GMA routines. */ @@ -461,6 +479,9 @@ static struct intel_gvt_gtt_pte_ops gen8_gtt_pte_ops = { .test_pse = gen8_gtt_test_pse, .clear_ips = gen8_gtt_clear_ips, .test_ips = gen8_gtt_test_ips, + .clear_64k_splited = gen8_gtt_clear_64k_splited, + .set_64k_splited = gen8_gtt_set_64k_splited, + .test_64k_splited = gen8_gtt_test_64k_splited, .get_pfn = gen8_gtt_get_pfn, .set_pfn = gen8_gtt_set_pfn, }; diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index c11284bb291b..162ef19f4117 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -65,6 +65,9 @@ struct intel_gvt_gtt_pte_ops { bool (*test_pse)(struct intel_gvt_gtt_entry *e); bool (*test_ips)(struct intel_gvt_gtt_entry *e); void (*clear_ips)(struct intel_gvt_gtt_entry *e); + bool (*test_64k_splited)(struct intel_gvt_gtt_entry *e); + void (*clear_64k_splited)(struct intel_gvt_gtt_entry *e); + void (*set_64k_splited)(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); }; |