diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_context.h')
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_context.h | 61 |
1 files changed, 51 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h index 176978608b6f..18e50a769a6e 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h @@ -11,7 +11,9 @@ #include "gt/intel_context.h" +#include "i915_drv.h" #include "i915_gem.h" +#include "i915_gem_gtt.h" #include "i915_scheduler.h" #include "intel_device_info.h" @@ -74,6 +76,21 @@ static inline void i915_gem_context_clear_recoverable(struct i915_gem_context *c clear_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags); } +static inline bool i915_gem_context_is_persistent(const struct i915_gem_context *ctx) +{ + return test_bit(UCONTEXT_PERSISTENCE, &ctx->user_flags); +} + +static inline void i915_gem_context_set_persistence(struct i915_gem_context *ctx) +{ + set_bit(UCONTEXT_PERSISTENCE, &ctx->user_flags); +} + +static inline void i915_gem_context_clear_persistence(struct i915_gem_context *ctx) +{ + clear_bit(UCONTEXT_PERSISTENCE, &ctx->user_flags); +} + static inline bool i915_gem_context_is_banned(const struct i915_gem_context *ctx) { return test_bit(CONTEXT_BANNED, &ctx->flags); @@ -112,19 +129,22 @@ i915_gem_context_clear_user_engines(struct i915_gem_context *ctx) clear_bit(CONTEXT_USER_ENGINES, &ctx->flags); } -int __i915_gem_context_pin_hw_id(struct i915_gem_context *ctx); -static inline int i915_gem_context_pin_hw_id(struct i915_gem_context *ctx) +static inline bool +i915_gem_context_nopreempt(const struct i915_gem_context *ctx) { - if (atomic_inc_not_zero(&ctx->hw_id_pin_count)) - return 0; + return test_bit(CONTEXT_NOPREEMPT, &ctx->flags); +} - return __i915_gem_context_pin_hw_id(ctx); +static inline void +i915_gem_context_set_nopreempt(struct i915_gem_context *ctx) +{ + set_bit(CONTEXT_NOPREEMPT, &ctx->flags); } -static inline void i915_gem_context_unpin_hw_id(struct i915_gem_context *ctx) +static inline void +i915_gem_context_clear_nopreempt(struct i915_gem_context *ctx) { - GEM_BUG_ON(atomic_read(&ctx->hw_id_pin_count) == 0u); - atomic_dec(&ctx->hw_id_pin_count); + clear_bit(CONTEXT_NOPREEMPT, &ctx->flags); } static inline bool i915_gem_context_is_kernel(struct i915_gem_context *ctx) @@ -133,8 +153,8 @@ static inline bool i915_gem_context_is_kernel(struct i915_gem_context *ctx) } /* i915_gem_context.c */ -int __must_check i915_gem_contexts_init(struct drm_i915_private *dev_priv); -void i915_gem_contexts_fini(struct drm_i915_private *dev_priv); +int __must_check i915_gem_init_contexts(struct drm_i915_private *i915); +void i915_gem_driver_release__contexts(struct drm_i915_private *i915); int i915_gem_context_open(struct drm_i915_private *i915, struct drm_file *file); @@ -173,6 +193,27 @@ static inline void i915_gem_context_put(struct i915_gem_context *ctx) kref_put(&ctx->ref, i915_gem_context_release); } +static inline struct i915_address_space * +i915_gem_context_vm(struct i915_gem_context *ctx) +{ + return rcu_dereference_protected(ctx->vm, lockdep_is_held(&ctx->mutex)); +} + +static inline struct i915_address_space * +i915_gem_context_get_vm_rcu(struct i915_gem_context *ctx) +{ + struct i915_address_space *vm; + + rcu_read_lock(); + vm = rcu_dereference(ctx->vm); + if (!vm) + vm = &ctx->i915->ggtt.vm; + vm = i915_vm_get(vm); + rcu_read_unlock(); + + return vm; +} + static inline struct i915_gem_engines * i915_gem_context_engines(struct i915_gem_context *ctx) { |