diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_context_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_context_types.h | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h index 94c03a97cb77..282cdb8a5c5a 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -78,13 +78,16 @@ enum i915_gem_engine_type { /** @I915_GEM_ENGINE_TYPE_BALANCED: A load-balanced engine set */ I915_GEM_ENGINE_TYPE_BALANCED, + + /** @I915_GEM_ENGINE_TYPE_PARALLEL: A parallel engine set */ + I915_GEM_ENGINE_TYPE_PARALLEL, }; /** * struct i915_gem_proto_engine - prototype engine * * This struct describes an engine that a context may contain. Engines - * have three types: + * have four types: * * - I915_GEM_ENGINE_TYPE_INVALID: Invalid engines can be created but they * show up as a NULL in i915_gem_engines::engines[i] and any attempt to @@ -97,6 +100,10 @@ enum i915_gem_engine_type { * * - I915_GEM_ENGINE_TYPE_BALANCED: A load-balanced engine set, described * i915_gem_proto_engine::num_siblings and i915_gem_proto_engine::siblings. + * + * - I915_GEM_ENGINE_TYPE_PARALLEL: A parallel submission engine set, described + * i915_gem_proto_engine::width, i915_gem_proto_engine::num_siblings, and + * i915_gem_proto_engine::siblings. */ struct i915_gem_proto_engine { /** @type: Type of this engine */ @@ -105,10 +112,13 @@ struct i915_gem_proto_engine { /** @engine: Engine, for physical */ struct intel_engine_cs *engine; - /** @num_siblings: Number of balanced siblings */ + /** @num_siblings: Number of balanced or parallel siblings */ unsigned int num_siblings; - /** @siblings: Balanced siblings */ + /** @width: Width of each sibling */ + unsigned int width; + + /** @siblings: Balanced siblings or num_siblings * width for parallel */ struct intel_engine_cs **siblings; /** @sseu: Client-set SSEU parameters */ @@ -198,6 +208,12 @@ struct i915_gem_proto_context { /** @single_timeline: See See &i915_gem_context.syncobj */ bool single_timeline; + + /** @uses_protected_content: See &i915_gem_context.uses_protected_content */ + bool uses_protected_content; + + /** @pxp_wakeref: See &i915_gem_context.pxp_wakeref */ + intel_wakeref_t pxp_wakeref; }; /** @@ -262,7 +278,7 @@ struct i915_gem_context { * In other modes, this is a NULL pointer with the expectation that * the caller uses the shared global GTT. */ - struct i915_address_space __rcu *vm; + struct i915_address_space *vm; /** * @pid: process id of creator @@ -289,6 +305,18 @@ struct i915_gem_context { struct kref ref; /** + * @release_work: + * + * Work item for deferred cleanup, since i915_gem_context_put() tends to + * be called from hardirq context. + * + * FIXME: The only real reason for this is &i915_gem_engines.fence, all + * other callers are from process context and need at most some mild + * shuffling to pull the i915_gem_context_put() call out of a spinlock. + */ + struct work_struct release_work; + + /** * @rcu: rcu_head for deferred freeing. */ struct rcu_head rcu; @@ -309,6 +337,28 @@ struct i915_gem_context { #define CONTEXT_CLOSED 0 #define CONTEXT_USER_ENGINES 1 + /** + * @uses_protected_content: context uses PXP-encrypted objects. + * + * This flag can only be set at ctx creation time and it's immutable for + * the lifetime of the context. See I915_CONTEXT_PARAM_PROTECTED_CONTENT + * in uapi/drm/i915_drm.h for more info on setting restrictions and + * expected behaviour of marked contexts. + */ + bool uses_protected_content; + + /** + * @pxp_wakeref: wakeref to keep the device awake when PXP is in use + * + * PXP sessions are invalidated when the device is suspended, which in + * turns invalidates all contexts and objects using it. To keep the + * flow simple, we keep the device awake when contexts using PXP objects + * are in use. It is expected that the userspace application only uses + * PXP when the display is on, so taking a wakeref here shouldn't worsen + * our power metrics. + */ + intel_wakeref_t pxp_wakeref; + /** @mutex: guards everything that isn't engines or handles_vma */ struct mutex mutex; |