Re: [PATCH 2/7] drm/ttm: use an operation ctx for ttm_mem_global_alloc

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With a suitable commit log, LGTM.

Reviewed-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>


On 12/20/2017 11:34 AM, Roger He wrote:
Change-Id: I5279b5cd3560c4082b00f822219575a5f9c3808a
Signed-off-by: Roger He <Hongbo.He@xxxxxxx>
---
  drivers/gpu/drm/ttm/ttm_bo.c                    |  2 +-
  drivers/gpu/drm/ttm/ttm_memory.c                | 15 +++++++++------
  drivers/gpu/drm/ttm/ttm_object.c                | 13 ++++++++++---
  drivers/gpu/drm/vmwgfx/vmwgfx_binding.c         |  6 +++++-
  drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c          | 13 ++++++++++---
  drivers/gpu/drm/vmwgfx/vmwgfx_context.c         |  6 +++++-
  drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c         |  6 +++++-
  drivers/gpu/drm/vmwgfx/vmwgfx_fence.c           |  6 +++++-
  drivers/gpu/drm/vmwgfx/vmwgfx_shader.c          | 18 +++++++++++++++---
  drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c |  6 +++++-
  drivers/gpu/drm/vmwgfx/vmwgfx_so.c              |  6 +++++-
  drivers/gpu/drm/vmwgfx/vmwgfx_surface.c         | 12 ++++++++++--
  include/drm/ttm/ttm_memory.h                    |  3 ++-
  13 files changed, 87 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index fa57aa8..c59f572 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1133,7 +1133,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
  	struct ttm_mem_global *mem_glob = bdev->glob->mem_glob;
  	bool locked;
- ret = ttm_mem_global_alloc(mem_glob, acc_size, false, false);
+	ret = ttm_mem_global_alloc(mem_glob, acc_size, ctx);
  	if (ret) {
  		pr_err("Out of kernel memory\n");
  		if (destroy)
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index 9130bdf..525d3b6 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -508,7 +508,7 @@ static int ttm_mem_global_reserve(struct ttm_mem_global *glob,
  static int ttm_mem_global_alloc_zone(struct ttm_mem_global *glob,
  				     struct ttm_mem_zone *single_zone,
  				     uint64_t memory,
-				     bool no_wait, bool interruptible)
+				     struct ttm_operation_ctx *ctx)
  {
  	int count = TTM_MEMORY_ALLOC_RETRIES;
@@ -516,7 +516,7 @@ static int ttm_mem_global_alloc_zone(struct ttm_mem_global *glob,
  					       single_zone,
  					       memory, true)
  			!= 0)) {
-		if (no_wait)
+		if (ctx->no_wait_gpu)
  			return -ENOMEM;
  		if (unlikely(count-- == 0))
  			return -ENOMEM;
@@ -527,15 +527,14 @@ static int ttm_mem_global_alloc_zone(struct ttm_mem_global *glob,
  }
int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
-			 bool no_wait, bool interruptible)
+			 struct ttm_operation_ctx *ctx)
  {
  	/**
  	 * Normal allocations of kernel memory are registered in
  	 * all zones.
  	 */
- return ttm_mem_global_alloc_zone(glob, NULL, memory, no_wait,
-					 interruptible);
+	return ttm_mem_global_alloc_zone(glob, NULL, memory, ctx);
  }
  EXPORT_SYMBOL(ttm_mem_global_alloc);
@@ -544,6 +543,10 @@ int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,
  {
struct ttm_mem_zone *zone = NULL;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = false,
+		.no_wait_gpu = false
+	};
/**
  	 * Page allocations may be registed in a single zone
@@ -557,7 +560,7 @@ int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,
  	if (glob->zone_dma32 && page_to_pfn(page) > 0x00100000UL)
  		zone = glob->zone_kernel;
  #endif
-	return ttm_mem_global_alloc_zone(glob, zone, size, false, false);
+	return ttm_mem_global_alloc_zone(glob, zone, size, &ctx);
  }
void ttm_mem_global_free_page(struct ttm_mem_global *glob, struct page *page,
diff --git a/drivers/gpu/drm/ttm/ttm_object.c b/drivers/gpu/drm/ttm/ttm_object.c
index 26a7ad0..1aa2baa 100644
--- a/drivers/gpu/drm/ttm/ttm_object.c
+++ b/drivers/gpu/drm/ttm/ttm_object.c
@@ -325,6 +325,10 @@ int ttm_ref_object_add(struct ttm_object_file *tfile,
  	struct ttm_ref_object *ref;
  	struct drm_hash_item *hash;
  	struct ttm_mem_global *mem_glob = tfile->tdev->mem_glob;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = false,
+		.no_wait_gpu = false
+	};
  	int ret = -EINVAL;
if (base->tfile != tfile && !base->shareable)
@@ -350,7 +354,7 @@ int ttm_ref_object_add(struct ttm_object_file *tfile,
  			return -EPERM;
ret = ttm_mem_global_alloc(mem_glob, sizeof(*ref),
-					   false, false);
+					   &ctx);
  		if (unlikely(ret != 0))
  			return ret;
  		ref = kmalloc(sizeof(*ref), GFP_KERNEL);
@@ -686,7 +690,10 @@ int ttm_prime_handle_to_fd(struct ttm_object_file *tfile,
  	dma_buf = prime->dma_buf;
  	if (!dma_buf || !get_dma_buf_unless_doomed(dma_buf)) {
  		DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
-
+		struct ttm_operation_ctx ctx = {
+			.interruptible = true,
+			.no_wait_gpu = false
+		};
  		exp_info.ops = &tdev->ops;
  		exp_info.size = prime->size;
  		exp_info.flags = flags;
@@ -696,7 +703,7 @@ int ttm_prime_handle_to_fd(struct ttm_object_file *tfile,
  		 * Need to create a new dma_buf, with memory accounting.
  		 */
  		ret = ttm_mem_global_alloc(tdev->mem_glob, tdev->dma_buf_size,
-					   false, true);
+					   &ctx);
  		if (unlikely(ret != 0)) {
  			mutex_unlock(&prime->mutex);
  			goto out_unref;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c b/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
index 9c42e96..55d32ae 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
@@ -1202,10 +1202,14 @@ struct vmw_ctx_binding_state *
  vmw_binding_state_alloc(struct vmw_private *dev_priv)
  {
  	struct vmw_ctx_binding_state *cbs;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = false,
+		.no_wait_gpu = false
+	};
  	int ret;
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), sizeof(*cbs),
-				   false, false);
+				&ctx);
  	if (ret)
  		return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index c705632..ef97542 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -394,6 +394,10 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
  	struct vmw_private *dev_priv = vmw_tt->dev_priv;
  	struct ttm_mem_global *glob = vmw_mem_glob(dev_priv);
  	struct vmw_sg_table *vsgt = &vmw_tt->vsgt;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	struct vmw_piter iter;
  	dma_addr_t old;
  	int ret = 0;
@@ -417,8 +421,7 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
  			sgt_size = ttm_round_pot(sizeof(struct sg_table));
  		}
  		vmw_tt->sg_alloc_size = sgt_size + sgl_size * vsgt->num_pages;
-		ret = ttm_mem_global_alloc(glob, vmw_tt->sg_alloc_size, false,
-					   true);
+		ret = ttm_mem_global_alloc(glob, vmw_tt->sg_alloc_size, &ctx);
  		if (unlikely(ret != 0))
  			return ret;
@@ -638,6 +641,10 @@ static int vmw_ttm_populate(struct ttm_tt *ttm)
  		container_of(ttm, struct vmw_ttm_tt, dma_ttm.ttm);
  	struct vmw_private *dev_priv = vmw_tt->dev_priv;
  	struct ttm_mem_global *glob = vmw_mem_glob(dev_priv);
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	int ret;
if (ttm->state != tt_unpopulated)
@@ -646,7 +653,7 @@ static int vmw_ttm_populate(struct ttm_tt *ttm)
  	if (dev_priv->map_mode == vmw_dma_alloc_coherent) {
  		size_t size =
  			ttm_round_pot(ttm->num_pages * sizeof(dma_addr_t));
-		ret = ttm_mem_global_alloc(glob, size, false, true);
+		ret = ttm_mem_global_alloc(glob, size, &ctx);
  		if (unlikely(ret != 0))
  			return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
index 4212b3e..3767ac3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
@@ -746,6 +746,10 @@ static int vmw_context_define(struct drm_device *dev, void *data,
  	struct vmw_resource *tmp;
  	struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
  	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+	struct ttm_operation_ctx ttm_opt_ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	int ret;
if (!dev_priv->has_dx && dx) {
@@ -768,7 +772,7 @@ static int vmw_context_define(struct drm_device *dev, void *data,
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
  				   vmw_user_context_size,
-				   false, true);
+				   &ttm_opt_ctx);
  	if (unlikely(ret != 0)) {
  		if (ret != -ERESTARTSYS)
  			DRM_ERROR("Out of graphics memory for context"
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index 92df0b0..cbf54ea 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -573,6 +573,10 @@ struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
  				       u32 type)
  {
  	struct vmw_cotable *vcotbl;
+	struct ttm_operation_ctx ttm_opt_ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	int ret;
  	u32 num_entries;
@@ -580,7 +584,7 @@ struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv,
  		cotable_acc_size = ttm_round_pot(sizeof(struct vmw_cotable));
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
-				   cotable_acc_size, false, true);
+				   cotable_acc_size, &ttm_opt_ctx);
  	if (unlikely(ret))
  		return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index d6b1c50..6c5c75c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -588,6 +588,10 @@ int vmw_user_fence_create(struct drm_file *file_priv,
  	struct vmw_user_fence *ufence;
  	struct vmw_fence_obj *tmp;
  	struct ttm_mem_global *mem_glob = vmw_mem_glob(fman->dev_priv);
+	struct ttm_operation_ctx ctx = {
+		.interruptible = false,
+		.no_wait_gpu = false
+	};
  	int ret;
/*
@@ -596,7 +600,7 @@ int vmw_user_fence_create(struct drm_file *file_priv,
  	 */
ret = ttm_mem_global_alloc(mem_glob, fman->user_fence_size,
-				   false, false);
+				   &ctx);
  	if (unlikely(ret != 0))
  		return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index 004e18b..73b8e9a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -607,6 +607,10 @@ int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
  	struct vmw_dx_shader *shader;
  	struct vmw_resource *res;
  	struct vmw_private *dev_priv = ctx->dev_priv;
+	struct ttm_operation_ctx ttm_opt_ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	int ret;
if (!vmw_shader_dx_size)
@@ -616,7 +620,7 @@ int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man,
  		return -EINVAL;
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), vmw_shader_dx_size,
-				   false, true);
+				   &ttm_opt_ctx);
  	if (ret) {
  		if (ret != -ERESTARTSYS)
  			DRM_ERROR("Out of graphics memory for shader "
@@ -730,6 +734,10 @@ static int vmw_user_shader_alloc(struct vmw_private *dev_priv,
  {
  	struct vmw_user_shader *ushader;
  	struct vmw_resource *res, *tmp;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	int ret;
/*
@@ -742,7 +750,7 @@ static int vmw_user_shader_alloc(struct vmw_private *dev_priv,
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
  				   vmw_user_shader_size,
-				   false, true);
+				   &ctx);
  	if (unlikely(ret != 0)) {
  		if (ret != -ERESTARTSYS)
  			DRM_ERROR("Out of graphics memory for shader "
@@ -800,6 +808,10 @@ static struct vmw_resource *vmw_shader_alloc(struct vmw_private *dev_priv,
  {
  	struct vmw_shader *shader;
  	struct vmw_resource *res;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	int ret;
/*
@@ -812,7 +824,7 @@ static struct vmw_resource *vmw_shader_alloc(struct vmw_private *dev_priv,
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
  				   vmw_shader_size,
-				   false, true);
+				   &ctx);
  	if (unlikely(ret != 0)) {
  		if (ret != -ERESTARTSYS)
  			DRM_ERROR("Out of graphics memory for shader "
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c
index 051d3b3..a0cb310 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_simple_resource.c
@@ -149,6 +149,10 @@ vmw_simple_resource_create_ioctl(struct drm_device *dev, void *data,
  	struct vmw_resource *res;
  	struct vmw_resource *tmp;
  	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	size_t alloc_size;
  	size_t account_size;
  	int ret;
@@ -162,7 +166,7 @@ vmw_simple_resource_create_ioctl(struct drm_device *dev, void *data,
  		return ret;
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), account_size,
-				   false, true);
+				   &ctx);
  	ttm_read_unlock(&dev_priv->reservation_sem);
  	if (ret) {
  		if (ret != -ERESTARTSYS)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
index 5a73eeb..d3573c3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
@@ -329,6 +329,10 @@ int vmw_view_add(struct vmw_cmdbuf_res_manager *man,
  	struct vmw_private *dev_priv = ctx->dev_priv;
  	struct vmw_resource *res;
  	struct vmw_view *view;
+	struct ttm_operation_ctx ttm_opt_ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	size_t size;
  	int ret;
@@ -345,7 +349,7 @@ int vmw_view_add(struct vmw_cmdbuf_res_manager *man, size = offsetof(struct vmw_view, cmd) + cmd_size; - ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), size, false, true);
+	ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), size, &ttm_opt_ctx);
  	if (ret) {
  		if (ret != -ERESTARTSYS)
  			DRM_ERROR("Out of graphics memory for view"
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 6ac094e..db1bb16 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -700,6 +700,10 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
  	struct drm_vmw_surface_create_req *req = &arg->req;
  	struct drm_vmw_surface_arg *rep = &arg->rep;
  	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	int ret;
  	int i, j;
  	uint32_t cur_bo_offset;
@@ -741,7 +745,7 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
  		return ret;
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
-				   size, false, true);
+				   size, &ctx);
  	if (unlikely(ret != 0)) {
  		if (ret != -ERESTARTSYS)
  			DRM_ERROR("Out of graphics memory for surface"
@@ -1479,6 +1483,10 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
  {
  	struct vmw_private *dev_priv = vmw_priv(dev);
  	struct vmw_user_surface *user_srf;
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false
+	};
  	struct vmw_surface *srf;
  	int ret;
  	u32 num_layers;
@@ -1525,7 +1533,7 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
  		return ret;
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
-				   user_accounting_size, false, true);
+				   user_accounting_size, &ctx);
  	if (unlikely(ret != 0)) {
  		if (ret != -ERESTARTSYS)
  			DRM_ERROR("Out of graphics memory for surface"
diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
index 85f3ad6..755c107 100644
--- a/include/drm/ttm/ttm_memory.h
+++ b/include/drm/ttm/ttm_memory.h
@@ -35,6 +35,7 @@
  #include <linux/errno.h>
  #include <linux/kobject.h>
  #include <linux/mm.h>
+#include "ttm_bo_api.h"
/**
   * struct ttm_mem_global - Global memory accounting structure.
@@ -79,7 +80,7 @@ struct ttm_mem_global {
  extern int ttm_mem_global_init(struct ttm_mem_global *glob);
  extern void ttm_mem_global_release(struct ttm_mem_global *glob);
  extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
-				bool no_wait, bool interruptible);
+				struct ttm_operation_ctx *ctx);
  extern void ttm_mem_global_free(struct ttm_mem_global *glob,
  				uint64_t amount);
  extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,


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