diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-04 14:40:09 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-04 15:39:34 +0100 |
| commit | a4e7ccdac38ec8335d9e4e2656c1a041c77feae1 (patch) | |
| tree | 1193136bd117e31907d0375b84c6e7a1f8356704 /drivers/gpu/drm/i915/gem/i915_gem_context.h | |
| parent | 2935ed5339c495066d901b97de384d86c55a3f6d (diff) | |
drm/i915: Move context management under GEM
Keep track of the GEM contexts underneath i915->gem.contexts and assign
them their own lock for the purposes of list management.
v2: Focus on lock tracking; ctx->vm is protected by ctx->mutex
v3: Correct split with removal of logical HW ID
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191004134015.13204-15-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_context.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_context.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h index 50bc27d30c03..9234586830d1 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" @@ -118,8 +120,8 @@ 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); @@ -158,6 +160,27 @@ 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) { |