[PATCH 4/8] drm/vmwgfx: use GEM references instead of TTMs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Instead of a TTM reference grab a GEM reference whenever necessary.

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Cc: Zack Rusin <zack.rusin@xxxxxxxxxxxx>
Cc: Broadcom internal kernel review list <bcm-kernel-feedback-list@xxxxxxxxxxxx>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_bo.c       |  4 ++--
 drivers/gpu/drm/vmwgfx/vmwgfx_bo.h       | 19 ++-----------------
 drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c  |  4 ++--
 drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c  |  4 ++--
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c      |  6 +++---
 drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c  |  2 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 16 ++++++++--------
 drivers/gpu/drm/vmwgfx/vmwgfx_shader.c   |  4 ++--
 drivers/gpu/drm/vmwgfx/vmwgfx_surface.c  |  2 +-
 9 files changed, 23 insertions(+), 38 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 00144632c600..3caaacb124ec 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -501,7 +501,7 @@ static int vmw_user_bo_synccpu_release(struct drm_file *filp,
 		if (!(flags & drm_vmw_synccpu_allow_cs)) {
 			atomic_dec(&vmw_bo->cpu_writers);
 		}
-		vmw_user_bo_unref(&vmw_bo);
+		vmw_bo_unreference(&vmw_bo);
 	}
 
 	return ret;
@@ -543,7 +543,7 @@ int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data,
 			return ret;
 
 		ret = vmw_user_bo_synccpu_grab(vbo, arg->flags);
-		vmw_user_bo_unref(&vbo);
+		vmw_bo_unreference(&vbo);
 		if (unlikely(ret != 0)) {
 			if (ret == -ERESTARTSYS || ret == -EBUSY)
 				return -EBUSY;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
index f349642e6190..42a58d57409d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
@@ -188,30 +188,15 @@ static inline void vmw_bo_unreference(struct vmw_bo **buf)
 
 	*buf = NULL;
 	if (tmp_buf)
-		ttm_bo_put(&tmp_buf->tbo);
+		drm_gem_object_put(&tmp_buf->tbo.base);
 }
 
 static inline struct vmw_bo *vmw_bo_reference(struct vmw_bo *buf)
 {
-	ttm_bo_get(&buf->tbo);
+	drm_gem_object_get(&buf->tbo.base);
 	return buf;
 }
 
-static inline struct vmw_bo *vmw_user_bo_ref(struct vmw_bo *vbo)
-{
-	drm_gem_object_get(&vbo->tbo.base);
-	return vbo;
-}
-
-static inline void vmw_user_bo_unref(struct vmw_bo **buf)
-{
-	struct vmw_bo *tmp_buf = *buf;
-
-	*buf = NULL;
-	if (tmp_buf)
-		drm_gem_object_put(&tmp_buf->tbo.base);
-}
-
 static inline struct vmw_bo *to_vmw_bo(struct drm_gem_object *gobj)
 {
 	return container_of((gobj), struct vmw_bo, tbo.base);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index a7c07692262b..6b700ebd71b1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -502,7 +502,7 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
 
 	vmw_resource_mob_attach(res);
 	/* Let go of the old mob. */
-	vmw_user_bo_unref(&old_buf);
+	vmw_bo_unreference(&old_buf);
 	res->id = vcotbl->type;
 
 	ret = dma_resv_reserve_fences(bo->base.resv, 1);
@@ -521,7 +521,7 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
 out_wait:
 	ttm_bo_unpin(bo);
 	ttm_bo_unreserve(bo);
-	vmw_user_bo_unref(&buf);
+	vmw_bo_unreference(&buf);
 
 out_done:
 	MKS_STAT_TIME_POP(MKSSTAT_KERN_COTABLE_RESIZE);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 2e52d73eba48..be29b9ff8901 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -1166,7 +1166,7 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
 	vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_MOB, VMW_BO_DOMAIN_MOB);
 	ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo);
 	tmp_bo = vmw_bo;
-	vmw_user_bo_unref(&tmp_bo);
+	vmw_bo_unreference(&tmp_bo);
 	if (unlikely(ret != 0))
 		return ret;
 
@@ -1223,7 +1223,7 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
 			     VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM);
 	ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo);
 	tmp_bo = vmw_bo;
-	vmw_user_bo_unref(&tmp_bo);
+	vmw_bo_unreference(&tmp_bo);
 	if (unlikely(ret != 0))
 		return ret;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 13b2820cae51..f8158b8d2843 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1476,8 +1476,8 @@ static int vmw_create_bo_proxy(struct drm_device *dev,
 	/* Reserve and switch the backing mob. */
 	mutex_lock(&res->dev_priv->cmdbuf_mutex);
 	(void) vmw_resource_reserve(res, false, true);
-	vmw_user_bo_unref(&res->guest_memory_bo);
-	res->guest_memory_bo = vmw_user_bo_ref(bo_mob);
+	vmw_bo_unreference(&res->guest_memory_bo);
+	res->guest_memory_bo = vmw_bo_reference(bo_mob);
 	res->guest_memory_offset = 0;
 	vmw_resource_unreserve(res, false, false, false, NULL, 0);
 	mutex_unlock(&res->dev_priv->cmdbuf_mutex);
@@ -1670,7 +1670,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
 err_out:
 	/* vmw_user_lookup_handle takes one ref so does new_fb */
 	if (bo)
-		vmw_user_bo_unref(&bo);
+		vmw_bo_unreference(&bo);
 	if (surface)
 		vmw_surface_unreference(&surface);
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
index c45b4724e414..c5860f62ec53 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
@@ -451,7 +451,7 @@ int vmw_overlay_ioctl(struct drm_device *dev, void *data,
 
 	ret = vmw_overlay_update_stream(dev_priv, buf, arg, true);
 
-	vmw_user_bo_unref(&buf);
+	vmw_bo_unreference(&buf);
 
 out_unlock:
 	mutex_unlock(&overlay->mutex);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 848dba09981b..cb786da99fd3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -141,7 +141,7 @@ static void vmw_resource_release(struct kref *kref)
 		if (res->coherent)
 			vmw_bo_dirty_release(res->guest_memory_bo);
 		ttm_bo_unreserve(bo);
-		vmw_user_bo_unref(&res->guest_memory_bo);
+		vmw_bo_unreference(&res->guest_memory_bo);
 	}
 
 	if (likely(res->hw_destroy != NULL)) {
@@ -457,11 +457,11 @@ void vmw_resource_unreserve(struct vmw_resource *res,
 			vmw_resource_mob_detach(res);
 			if (res->coherent)
 				vmw_bo_dirty_release(res->guest_memory_bo);
-			vmw_user_bo_unref(&res->guest_memory_bo);
+			vmw_bo_unreference(&res->guest_memory_bo);
 		}
 
 		if (new_guest_memory_bo) {
-			res->guest_memory_bo = vmw_user_bo_ref(new_guest_memory_bo);
+			res->guest_memory_bo = vmw_bo_reference(new_guest_memory_bo);
 
 			/*
 			 * The validation code should already have added a
@@ -522,7 +522,7 @@ vmw_resource_check_buffer(struct ww_acquire_ctx *ticket,
 	}
 
 	INIT_LIST_HEAD(&val_list);
-	ttm_bo_get(&res->guest_memory_bo->tbo);
+	drm_gem_object_get(&res->guest_memory_bo->tbo.base);
 	val_buf->bo = &res->guest_memory_bo->tbo;
 	val_buf->num_shared = 0;
 	list_add_tail(&val_buf->head, &val_list);
@@ -548,10 +548,10 @@ vmw_resource_check_buffer(struct ww_acquire_ctx *ticket,
 out_no_validate:
 	ttm_eu_backoff_reservation(ticket, &val_list);
 out_no_reserve:
-	ttm_bo_put(val_buf->bo);
+	drm_gem_object_put(&val_buf->bo->base);
 	val_buf->bo = NULL;
 	if (guest_memory_dirty)
-		vmw_user_bo_unref(&res->guest_memory_bo);
+		vmw_bo_unreference(&res->guest_memory_bo);
 
 	return ret;
 }
@@ -610,7 +610,7 @@ vmw_resource_backoff_reservation(struct ww_acquire_ctx *ticket,
 	INIT_LIST_HEAD(&val_list);
 	list_add_tail(&val_buf->head, &val_list);
 	ttm_eu_backoff_reservation(ticket, &val_list);
-	ttm_bo_put(val_buf->bo);
+	drm_gem_object_put(&val_buf->bo->base);
 	val_buf->bo = NULL;
 }
 
@@ -727,7 +727,7 @@ int vmw_resource_validate(struct vmw_resource *res, bool intr,
 		goto out_no_validate;
 	else if (!res->func->needs_guest_memory && res->guest_memory_bo) {
 		WARN_ON_ONCE(vmw_resource_mob_attached(res));
-		vmw_user_bo_unref(&res->guest_memory_bo);
+		vmw_bo_unreference(&res->guest_memory_bo);
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index a01ca3226d0a..6b8e984695ed 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -180,7 +180,7 @@ static int vmw_gb_shader_init(struct vmw_private *dev_priv,
 
 	res->guest_memory_size = size;
 	if (byte_code) {
-		res->guest_memory_bo = vmw_user_bo_ref(byte_code);
+		res->guest_memory_bo = vmw_bo_reference(byte_code);
 		res->guest_memory_offset = offset;
 	}
 	shader->size = size;
@@ -809,7 +809,7 @@ static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv,
 				    shader_type, num_input_sig,
 				    num_output_sig, tfile, shader_handle);
 out_bad_arg:
-	vmw_user_bo_unref(&buffer);
+	vmw_bo_unreference(&buffer);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index e7a744dfcecf..c275bb074a60 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -1505,7 +1505,7 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
 		if (ret == 0) {
 			if (res->guest_memory_bo->tbo.base.size < res->guest_memory_size) {
 				VMW_DEBUG_USER("Surface backup buffer too small.\n");
-				vmw_user_bo_unref(&res->guest_memory_bo);
+				vmw_bo_unreference(&res->guest_memory_bo);
 				ret = -EINVAL;
 				goto out_unlock;
 			} else {
-- 
2.34.1




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux