drm/vmwgfx: switch over to the new pin interface v2

Stop using TTM_PL_FLAG_NO_EVICT.

v2: fix unconditional pinning
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.freedesktop.org/patch/391601/?series=81973&rev=1

drivers/gpu/drm/vmwgfx/vmwgfx_blit.c

@@ -459,9 +459,9 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
 	int ret = 0;
 
 	/* Buffer objects need to be either pinned or reserved: */
-	if (!(dst->mem.placement & TTM_PL_FLAG_NO_EVICT))
+	if (!(dst->pin_count))
 		dma_resv_assert_held(dst->base.resv);
-	if (!(src->mem.placement & TTM_PL_FLAG_NO_EVICT))
+	if (!(src->pin_count))
 		dma_resv_assert_held(src->base.resv);
 
 	if (!ttm_tt_is_populated(dst->ttm)) {

drivers/gpu/drm/vmwgfx/vmwgfx_bo.c

@@ -106,7 +106,7 @@ int vmw_bo_pin_in_placement(struct vmw_private *dev_priv,
 	if (unlikely(ret != 0))
 		goto err;
 
-	if (buf->pin_count > 0)
+	if (buf->base.pin_count > 0)
 		ret = ttm_bo_mem_compat(placement, &bo->mem,
 					&new_flags) == true ? 0 : -EINVAL;
 	else
@@ -155,7 +155,7 @@ int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
 	if (unlikely(ret != 0))
 		goto err;
 
-	if (buf->pin_count > 0) {
+	if (buf->base.pin_count > 0) {
 		ret = ttm_bo_mem_compat(&vmw_vram_gmr_placement, &bo->mem,
 					&new_flags) == true ? 0 : -EINVAL;
 		goto out_unreserve;
@@ -246,12 +246,12 @@ int vmw_bo_pin_in_start_of_vram(struct vmw_private *dev_priv,
 	if (bo->mem.mem_type == TTM_PL_VRAM &&
 	    bo->mem.start < bo->num_pages &&
 	    bo->mem.start > 0 &&
-	    buf->pin_count == 0) {
+	    buf->base.pin_count == 0) {
 		ctx.interruptible = false;
 		(void) ttm_bo_validate(bo, &vmw_sys_placement, &ctx);
 	}
 
-	if (buf->pin_count > 0)
+	if (buf->base.pin_count > 0)
 		ret = ttm_bo_mem_compat(&placement, &bo->mem,
 					&new_flags) == true ? 0 : -EINVAL;
 	else
@@ -343,23 +343,13 @@ void vmw_bo_pin_reserved(struct vmw_buffer_object *vbo, bool pin)
 
 	dma_resv_assert_held(bo->base.resv);
 
-	if (pin) {
-		if (vbo->pin_count++ > 0)
+	if (pin == !!bo->pin_count)
 		return;
-	} else {
-		WARN_ON(vbo->pin_count <= 0);
-		if (--vbo->pin_count > 0)
-			return;
-	}
 
 	pl.fpfn = 0;
 	pl.lpfn = 0;
 	pl.mem_type = bo->mem.mem_type;
 	pl.flags = bo->mem.placement;
-	if (pin)
-		pl.flags |= TTM_PL_FLAG_NO_EVICT;
-	else
-		pl.flags &= ~TTM_PL_FLAG_NO_EVICT;
 
 	memset(&placement, 0, sizeof(placement));
 	placement.num_placement = 1;
@@ -368,8 +358,12 @@ void vmw_bo_pin_reserved(struct vmw_buffer_object *vbo, bool pin)
 	ret = ttm_bo_validate(bo, &placement, &ctx);
 
 	BUG_ON(ret != 0 || bo->mem.mem_type != old_mem_type);
-}
 
+	if (pin)
+		ttm_bo_pin(bo);
+	else
+		ttm_bo_unpin(bo);
+}
 
 /**
  * vmw_bo_map_and_cache - Map a buffer object and cache the map
@@ -539,6 +533,7 @@ int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
  * @size: Buffer object size in bytes.
  * @placement: Initial placement.
  * @interruptible: Whether waits should be performed interruptible.
+ * @pin: If the BO should be created pinned at a fixed location.
  * @bo_free: The buffer object destructor.
  * Returns: Zero on success, negative error code on error.
  *
@@ -547,9 +542,10 @@ int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
 int vmw_bo_init(struct vmw_private *dev_priv,
 		struct vmw_buffer_object *vmw_bo,
 		size_t size, struct ttm_placement *placement,
-		bool interruptible,
+		bool interruptible, bool pin,
 		void (*bo_free)(struct ttm_buffer_object *bo))
 {
+	struct ttm_operation_ctx ctx = { interruptible, false };
 	struct ttm_bo_device *bdev = &dev_priv->bdev;
 	size_t acc_size;
 	int ret;
@@ -563,11 +559,16 @@ int vmw_bo_init(struct vmw_private *dev_priv,
 	vmw_bo->base.priority = 3;
 	vmw_bo->res_tree = RB_ROOT;
 
-	ret = ttm_bo_init(bdev, &vmw_bo->base, size,
+	ret = ttm_bo_init_reserved(bdev, &vmw_bo->base, size,
 				   ttm_bo_type_device, placement,
-			  0, interruptible, acc_size,
-			  NULL, NULL, bo_free);
+				   0, &ctx, acc_size, NULL, NULL, bo_free);
+	if (unlikely(ret))
 		return ret;
+
+	if (pin)
+		ttm_bo_pin(&vmw_bo->base);
+	ttm_bo_unreserve(&vmw_bo->base);
+	return 0;
 }
 
 
@@ -656,7 +657,7 @@ int vmw_user_bo_alloc(struct vmw_private *dev_priv,
 	ret = vmw_bo_init(dev_priv, &user_bo->vbo, size,
 			  (dev_priv->has_mob) ?
 			  &vmw_sys_placement :
-			  &vmw_vram_sys_placement, true,
+			  &vmw_vram_sys_placement, true, false,
 			  &vmw_user_bo_destroy);
 	if (unlikely(ret != 0))
 		return ret;

drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c

@@ -410,8 +410,8 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
 	if (!buf)
 		return -ENOMEM;
 
-	ret = vmw_bo_init(dev_priv, buf, new_size, &vmw_mob_ne_placement,
-			  true, vmw_bo_bo_free);
+	ret = vmw_bo_init(dev_priv, buf, new_size, &vmw_mob_placement,
+			  true, true, vmw_bo_bo_free);
 	if (ret) {
 		DRM_ERROR("Failed initializing new cotable MOB.\n");
 		return ret;

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

@@ -372,7 +372,7 @@ static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
 		return -ENOMEM;
 
 	ret = vmw_bo_init(dev_priv, vbo, PAGE_SIZE,
-			  &vmw_sys_ne_placement, false,
+			  &vmw_sys_placement, false, true,
 			  &vmw_bo_bo_free);
 	if (unlikely(ret != 0))
 		return ret;

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

@@ -99,7 +99,6 @@ struct vmw_fpriv {
  * struct vmw_buffer_object - TTM buffer object with vmwgfx additions
  * @base: The TTM buffer object
  * @res_tree: RB tree of resources using this buffer object as a backing MOB
- * @pin_count: pin depth
  * @cpu_writers: Number of synccpu write grabs. Protected by reservation when
  * increased. May be decreased without reservation.
  * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB
@@ -110,7 +109,6 @@ struct vmw_fpriv {
 struct vmw_buffer_object {
 	struct ttm_buffer_object base;
 	struct rb_root res_tree;
-	s32 pin_count;
 	atomic_t cpu_writers;
 	/* Not ref-counted.  Protected by binding_mutex */
 	struct vmw_resource *dx_query_ctx;
@@ -852,7 +850,7 @@ extern int vmw_bo_create_kernel(struct vmw_private *dev_priv,
 extern int vmw_bo_init(struct vmw_private *dev_priv,
 		       struct vmw_buffer_object *vmw_bo,
 		       size_t size, struct ttm_placement *placement,
-		       bool interruptible,
+		       bool interruptible, bool pin,
 		       void (*bo_free)(struct ttm_buffer_object *bo));
 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo,
 				     struct ttm_object_file *tfile);
@@ -1009,15 +1007,12 @@ extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv,
 
 extern const size_t vmw_tt_size;
 extern struct ttm_placement vmw_vram_placement;
-extern struct ttm_placement vmw_vram_ne_placement;
 extern struct ttm_placement vmw_vram_sys_placement;
 extern struct ttm_placement vmw_vram_gmr_placement;
 extern struct ttm_placement vmw_sys_placement;
-extern struct ttm_placement vmw_sys_ne_placement;
 extern struct ttm_placement vmw_evictable_placement;
 extern struct ttm_placement vmw_srf_placement;
 extern struct ttm_placement vmw_mob_placement;
-extern struct ttm_placement vmw_mob_ne_placement;
 extern struct ttm_placement vmw_nonfixed_placement;
 extern struct ttm_bo_driver vmw_bo_driver;
 extern const struct vmw_sg_table *

drivers/gpu/drm/vmwgfx/vmwgfx_fb.c

@@ -406,7 +406,7 @@ static int vmw_fb_create_bo(struct vmw_private *vmw_priv,
 
 	ret = vmw_bo_init(vmw_priv, vmw_bo, size,
 			      &vmw_sys_placement,
-			      false,
+			      false, false,
 			      &vmw_bo_bo_free);
 	if (unlikely(ret != 0))
 		goto err_unlock; /* init frees the buffer on failure */

drivers/gpu/drm/vmwgfx/vmwgfx_resource.c

@@ -370,7 +370,7 @@ static int vmw_resource_buf_alloc(struct vmw_resource *res,
 
 	ret = vmw_bo_init(res->dev_priv, backup, res->backup_size,
 			      res->func->backup_placement,
-			      interruptible,
+			      interruptible, false,
 			      &vmw_bo_bo_free);
 	if (unlikely(ret != 0))
 		goto out_no_bo;
@@ -1002,7 +1002,7 @@ int vmw_resource_pin(struct vmw_resource *res, bool interruptible)
 			vbo = res->backup;
 
 			ttm_bo_reserve(&vbo->base, interruptible, false, NULL);
-			if (!vbo->pin_count) {
+			if (!vbo->base.pin_count) {
 				ret = ttm_bo_validate
 					(&vbo->base,
 					 res->func->backup_placement,

drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c

@@ -451,8 +451,8 @@ vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
 	 */
 	vmw_overlay_pause_all(dev_priv);
 	ret = vmw_bo_init(dev_priv, vps->bo, size,
-			      &vmw_vram_ne_placement,
-			      false, &vmw_bo_bo_free);
+			      &vmw_vram_placement,
+			      false, true, &vmw_bo_bo_free);
 	vmw_overlay_resume_all(dev_priv);
 	if (ret) {
 		vps->bo = NULL; /* vmw_bo_init frees on error */

drivers/gpu/drm/vmwgfx/vmwgfx_shader.c

@@ -978,8 +978,8 @@ int vmw_compat_shader_add(struct vmw_private *dev_priv,
 	if (unlikely(!buf))
 		return -ENOMEM;
 
-	ret = vmw_bo_init(dev_priv, buf, size, &vmw_sys_ne_placement,
-			      true, vmw_bo_bo_free);
+	ret = vmw_bo_init(dev_priv, buf, size, &vmw_sys_placement,
+			      true, true, vmw_bo_bo_free);
 	if (unlikely(ret != 0))
 		goto out;
 

drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c

@@ -37,13 +37,6 @@ static const struct ttm_place vram_placement_flags = {
 	.flags = TTM_PL_FLAG_CACHED
 };
 
-static const struct ttm_place vram_ne_placement_flags = {
-	.fpfn = 0,
-	.lpfn = 0,
-	.mem_type = TTM_PL_VRAM,
-	.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
-};
-
 static const struct ttm_place sys_placement_flags = {
 	.fpfn = 0,
 	.lpfn = 0,
@@ -51,13 +44,6 @@ static const struct ttm_place sys_placement_flags = {
 	.flags = TTM_PL_FLAG_CACHED
 };
 
-static const struct ttm_place sys_ne_placement_flags = {
-	.fpfn = 0,
-	.lpfn = 0,
-	.mem_type = TTM_PL_SYSTEM,
-	.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
-};
-
 static const struct ttm_place gmr_placement_flags = {
 	.fpfn = 0,
 	.lpfn = 0,
@@ -72,13 +58,6 @@ static const struct ttm_place mob_placement_flags = {
 	.flags = TTM_PL_FLAG_CACHED
 };
 
-static const struct ttm_place mob_ne_placement_flags = {
-	.fpfn = 0,
-	.lpfn = 0,
-	.mem_type = VMW_PL_MOB,
-	.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
-};
-
 struct ttm_placement vmw_vram_placement = {
 	.num_placement = 1,
 	.placement = &vram_placement_flags,
@@ -128,13 +107,6 @@ struct ttm_placement vmw_vram_sys_placement = {
 	.busy_placement = &sys_placement_flags
 };
 
-struct ttm_placement vmw_vram_ne_placement = {
-	.num_placement = 1,
-	.placement = &vram_ne_placement_flags,
-	.num_busy_placement = 1,
-	.busy_placement = &vram_ne_placement_flags
-};
-
 struct ttm_placement vmw_sys_placement = {
 	.num_placement = 1,
 	.placement = &sys_placement_flags,
@@ -142,13 +114,6 @@ struct ttm_placement vmw_sys_placement = {
 	.busy_placement = &sys_placement_flags
 };
 
-struct ttm_placement vmw_sys_ne_placement = {
-	.num_placement = 1,
-	.placement = &sys_ne_placement_flags,
-	.num_busy_placement = 1,
-	.busy_placement = &sys_ne_placement_flags
-};
-
 static const struct ttm_place evictable_placement_flags[] = {
 	{
 		.fpfn = 0,
@@ -213,13 +178,6 @@ struct ttm_placement vmw_mob_placement = {
 	.busy_placement = &mob_placement_flags
 };
 
-struct ttm_placement vmw_mob_ne_placement = {
-	.num_placement = 1,
-	.num_busy_placement = 1,
-	.placement = &mob_ne_placement_flags,
-	.busy_placement = &mob_ne_placement_flags
-};
-
 struct ttm_placement vmw_nonfixed_placement = {
 	.num_placement = 3,
 	.placement = nonfixed_placement_flags,

drivers/gpu/drm/vmwgfx/vmwgfx_validation.c

@@ -540,7 +540,7 @@ int vmw_validation_bo_validate_single(struct ttm_buffer_object *bo,
 	if (atomic_read(&vbo->cpu_writers))
 		return -EBUSY;
 
-	if (vbo->pin_count > 0)
+	if (vbo->base.pin_count > 0)
 		return 0;
 
 	if (validate_as_mob)