[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 at vmware.com>


On 12/20/2017 11:34 AM, Roger He wrote:
> Change-Id: I5279b5cd3560c4082b00f822219575a5f9c3808a
> Signed-off-by: Roger He <Hongbo.He at amd.com>
> ---
>   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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