diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-06-18 13:58:58 +0100 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-06-18 15:30:32 +0100 |
commit | ef78f7b18726578fbabdeb8719f161f48a34d85d (patch) | |
tree | d7d9221619d18e2cc41ee9f015ead126683ce6f8 /drivers/gpu/drm/i915 | |
parent | 7009db1475e9e92c823b60c2a9c1e5a3222699f0 (diff) | |
download | linux-ef78f7b18726578fbabdeb8719f161f48a34d85d.tar.bz2 |
drm/i915: Use drm_gem_object.resv
Since commit 1ba627148ef5 ("drm: Add reservation_object to
drm_gem_object"), struct drm_gem_object grew its own builtin
reservation_object rendering our own private one bloat. Remove our
redundant reservation_object and point into obj->base.resv instead.
References: 1ba627148ef5 ("drm: Add reservation_object to drm_gem_object")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190618125858.7295-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_busy.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_clflush.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_client_blt.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_fence.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object.h | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 16 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_wait.c | 7 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_batch_pool.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_request.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/i915_vma.c | 10 |
13 files changed, 35 insertions, 52 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 8d7e4c8b60bc..ad5cccf4413d 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -14256,7 +14256,7 @@ intel_prepare_plane_fb(struct drm_plane *plane, */ if (needs_modeset(crtc_state)) { ret = i915_sw_fence_await_reservation(&intel_state->commit_ready, - old_obj->resv, NULL, + old_obj->base.resv, NULL, false, 0, GFP_KERNEL); if (ret < 0) @@ -14300,13 +14300,13 @@ intel_prepare_plane_fb(struct drm_plane *plane, struct dma_fence *fence; ret = i915_sw_fence_await_reservation(&intel_state->commit_ready, - obj->resv, NULL, + obj->base.resv, NULL, false, I915_FENCE_TIMEOUT, GFP_KERNEL); if (ret < 0) return ret; - fence = reservation_object_get_excl_rcu(obj->resv); + fence = reservation_object_get_excl_rcu(obj->base.resv); if (fence) { add_rps_boost_after_vblank(new_state->crtc, fence); dma_fence_put(fence); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_busy.c b/drivers/gpu/drm/i915/gem/i915_gem_busy.c index 5a5eda3003e9..6ad93a09968c 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_busy.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_busy.c @@ -110,13 +110,14 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data, * */ retry: - seq = raw_read_seqcount(&obj->resv->seq); + seq = raw_read_seqcount(&obj->base.resv->seq); /* Translate the exclusive fence to the READ *and* WRITE engine */ - args->busy = busy_check_writer(rcu_dereference(obj->resv->fence_excl)); + args->busy = + busy_check_writer(rcu_dereference(obj->base.resv->fence_excl)); /* Translate shared fences to READ set of engines */ - list = rcu_dereference(obj->resv->fence); + list = rcu_dereference(obj->base.resv->fence); if (list) { unsigned int shared_count = list->shared_count, i; @@ -128,7 +129,7 @@ retry: } } - if (args->busy && read_seqcount_retry(&obj->resv->seq, seq)) + if (args->busy && read_seqcount_retry(&obj->base.resv->seq, seq)) goto retry; err = 0; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_clflush.c b/drivers/gpu/drm/i915/gem/i915_gem_clflush.c index 9018e12b536b..5295285d5843 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_clflush.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_clflush.c @@ -143,11 +143,12 @@ bool i915_gem_clflush_object(struct drm_i915_gem_object *obj, dma_fence_get(&clflush->dma); i915_sw_fence_await_reservation(&clflush->wait, - obj->resv, NULL, + obj->base.resv, NULL, true, I915_FENCE_TIMEOUT, I915_FENCE_GFP); - reservation_object_add_excl_fence(obj->resv, &clflush->dma); + reservation_object_add_excl_fence(obj->base.resv, + &clflush->dma); i915_sw_fence_commit(&clflush->wait); } else if (obj->mm.pages) { diff --git a/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c index f253ec5765ad..1fdab0767a47 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c @@ -282,13 +282,13 @@ int i915_gem_schedule_fill_pages_blt(struct drm_i915_gem_object *obj, i915_gem_object_lock(obj); err = i915_sw_fence_await_reservation(&work->wait, - obj->resv, NULL, + obj->base.resv, NULL, true, I915_FENCE_TIMEOUT, I915_FENCE_GFP); if (err < 0) { dma_fence_set_error(&work->dma, err); } else { - reservation_object_add_excl_fence(obj->resv, &work->dma); + reservation_object_add_excl_fence(obj->base.resv, &work->dma); err = 0; } i915_gem_object_unlock(obj); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c index a93e233cfaa9..cbf1701d3acc 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c @@ -214,7 +214,7 @@ struct dma_buf *i915_gem_prime_export(struct drm_device *dev, exp_info.size = gem_obj->size; exp_info.flags = flags; exp_info.priv = gem_obj; - exp_info.resv = obj->resv; + exp_info.resv = obj->base.resv; if (obj->ops->dmabuf_export) { int ret = obj->ops->dmabuf_export(obj); @@ -290,7 +290,7 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, drm_gem_private_object_init(dev, &obj->base, dma_buf->size); i915_gem_object_init(obj, &i915_gem_object_dmabuf_ops); obj->base.import_attach = attach; - obj->resv = dma_buf->resv; + obj->base.resv = dma_buf->resv; /* We use GTT as shorthand for a coherent domain, one that is * neither in the GPU cache nor in the CPU cache, where all diff --git a/drivers/gpu/drm/i915/gem/i915_gem_fence.c b/drivers/gpu/drm/i915/gem/i915_gem_fence.c index 57dbc0862713..cf0439e6be83 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_fence.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_fence.c @@ -73,12 +73,12 @@ i915_gem_object_lock_fence(struct drm_i915_gem_object *obj) 0); if (i915_sw_fence_await_reservation(&stub->chain, - obj->resv, NULL, + obj->base.resv, NULL, true, I915_FENCE_TIMEOUT, I915_FENCE_GFP) < 0) goto err; - reservation_object_add_excl_fence(obj->resv, &stub->dma); + reservation_object_add_excl_fence(obj->base.resv, &stub->dma); return &stub->dma; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 272ce30ce1d3..a8c77f5713c6 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -70,9 +70,6 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, obj->ops = ops; - reservation_object_init(&obj->__builtin_resv); - obj->resv = &obj->__builtin_resv; - obj->frontbuffer_ggtt_origin = ORIGIN_GTT; i915_active_request_init(&obj->frontbuffer_write, NULL, frontbuffer_retire); @@ -233,7 +230,6 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, if (obj->base.import_attach) drm_prime_gem_destroy(&obj->base, NULL); - reservation_object_fini(&obj->__builtin_resv); drm_gem_object_release(&obj->base); bitmap_free(obj->bit_17); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index 7cb1871d7128..dfebd5706f16 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -99,22 +99,22 @@ i915_gem_object_put(struct drm_i915_gem_object *obj) __drm_gem_object_put(&obj->base); } -#define assert_object_held(obj) reservation_object_assert_held((obj)->resv) +#define assert_object_held(obj) reservation_object_assert_held((obj)->base.resv) static inline void i915_gem_object_lock(struct drm_i915_gem_object *obj) { - reservation_object_lock(obj->resv, NULL); + reservation_object_lock(obj->base.resv, NULL); } static inline int i915_gem_object_lock_interruptible(struct drm_i915_gem_object *obj) { - return reservation_object_lock_interruptible(obj->resv, NULL); + return reservation_object_lock_interruptible(obj->base.resv, NULL); } static inline void i915_gem_object_unlock(struct drm_i915_gem_object *obj) { - reservation_object_unlock(obj->resv); + reservation_object_unlock(obj->base.resv); } struct dma_fence * @@ -373,7 +373,7 @@ i915_gem_object_last_write_engine(struct drm_i915_gem_object *obj) struct dma_fence *fence; rcu_read_lock(); - fence = reservation_object_get_excl_rcu(obj->resv); + fence = reservation_object_get_excl_rcu(obj->base.resv); rcu_read_unlock(); if (fence && dma_fence_is_i915(fence) && !dma_fence_is_signaled(fence)) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 5b05698619ce..18bf4f8d6d80 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -7,8 +7,6 @@ #ifndef __I915_GEM_OBJECT_TYPES_H__ #define __I915_GEM_OBJECT_TYPES_H__ -#include <linux/reservation.h> - #include <drm/drm_gem.h> #include "i915_active.h" @@ -228,18 +226,6 @@ struct drm_i915_gem_object { bool quirked:1; } mm; - /** Breadcrumb of last rendering to the buffer. - * There can only be one writer, but we allow for multiple readers. - * If there is a writer that necessarily implies that all other - * read requests are complete - but we may only be lazily clearing - * the read requests. A read request is naturally the most recent - * request on a ring, so we may have two different write and read - * requests on one ring where the write request is older than the - * read request. This allows for the CPU to read from an active - * buffer by only waiting for the write to complete. - */ - struct reservation_object *resv; - /** References from framebuffers, locks out tiling changes. */ unsigned int framebuffer_references; @@ -262,8 +248,6 @@ struct drm_i915_gem_object { /** for phys allocated objects */ struct drm_dma_handle *phys_handle; - - struct reservation_object __builtin_resv; }; static inline struct drm_i915_gem_object * diff --git a/drivers/gpu/drm/i915/gem/i915_gem_wait.c b/drivers/gpu/drm/i915/gem/i915_gem_wait.c index fed5c751ef37..26ec6579b7cd 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_wait.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_wait.c @@ -144,7 +144,7 @@ i915_gem_object_wait_priority(struct drm_i915_gem_object *obj, unsigned int count, i; int ret; - ret = reservation_object_get_fences_rcu(obj->resv, + ret = reservation_object_get_fences_rcu(obj->base.resv, &excl, &count, &shared); if (ret) return ret; @@ -156,7 +156,7 @@ i915_gem_object_wait_priority(struct drm_i915_gem_object *obj, kfree(shared); } else { - excl = reservation_object_get_excl_rcu(obj->resv); + excl = reservation_object_get_excl_rcu(obj->base.resv); } if (excl) { @@ -180,7 +180,8 @@ i915_gem_object_wait(struct drm_i915_gem_object *obj, might_sleep(); GEM_BUG_ON(timeout < 0); - timeout = i915_gem_object_wait_reservation(obj->resv, flags, timeout); + timeout = i915_gem_object_wait_reservation(obj->base.resv, + flags, timeout); return timeout < 0 ? timeout : 0; } diff --git a/drivers/gpu/drm/i915/i915_gem_batch_pool.c b/drivers/gpu/drm/i915/i915_gem_batch_pool.c index 56adfdcaed3e..25a3e4d09a2f 100644 --- a/drivers/gpu/drm/i915/i915_gem_batch_pool.c +++ b/drivers/gpu/drm/i915/i915_gem_batch_pool.c @@ -96,7 +96,7 @@ i915_gem_batch_pool_get(struct i915_gem_batch_pool *pool, list_for_each_entry(obj, list, batch_pool_link) { /* The batches are strictly LRU ordered */ if (i915_gem_object_is_active(obj)) { - struct reservation_object *resv = obj->resv; + struct reservation_object *resv = obj->base.resv; if (!reservation_object_test_signaled_rcu(resv, true)) break; @@ -119,7 +119,7 @@ i915_gem_batch_pool_get(struct i915_gem_batch_pool *pool, } } - GEM_BUG_ON(!reservation_object_test_signaled_rcu(obj->resv, + GEM_BUG_ON(!reservation_object_test_signaled_rcu(obj->base.resv, true)); if (obj->base.size >= size) diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index 9819483d1b5d..7418e8f1ed6a 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -1027,7 +1027,7 @@ i915_request_await_object(struct i915_request *to, struct dma_fence **shared; unsigned int count, i; - ret = reservation_object_get_fences_rcu(obj->resv, + ret = reservation_object_get_fences_rcu(obj->base.resv, &excl, &count, &shared); if (ret) return ret; @@ -1044,7 +1044,7 @@ i915_request_await_object(struct i915_request *to, dma_fence_put(shared[i]); kfree(shared); } else { - excl = reservation_object_get_excl_rcu(obj->resv); + excl = reservation_object_get_excl_rcu(obj->base.resv); } if (excl) { diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 5fc0fda32e2a..a57729be8312 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -99,10 +99,10 @@ static void __i915_vma_retire(struct i915_active *ref) return; /* Prune the shared fence arrays iff completely idle (inc. external) */ - if (reservation_object_trylock(obj->resv)) { - if (reservation_object_test_signaled_rcu(obj->resv, true)) - reservation_object_add_excl_fence(obj->resv, NULL); - reservation_object_unlock(obj->resv); + if (reservation_object_trylock(obj->base.resv)) { + if (reservation_object_test_signaled_rcu(obj->base.resv, true)) + reservation_object_add_excl_fence(obj->base.resv, NULL); + reservation_object_unlock(obj->base.resv); } /* @@ -134,7 +134,7 @@ vma_create(struct drm_i915_gem_object *obj, vma->vm = vm; vma->ops = &vm->vma_ops; vma->obj = obj; - vma->resv = obj->resv; + vma->resv = obj->base.resv; vma->size = obj->base.size; vma->display_alignment = I915_GTT_MIN_ALIGNMENT; |