kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/gpu/drm/nouveau/nouveau_prime.c
..
..
@@ -22,7 +22,6 @@
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22
  * Authors: Dave Airlie
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23
  */
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24
 
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-#include <drm/drmP.h>
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 #include <linux/dma-buf.h>
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26
 
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 #include "nouveau_drv.h"
..
..
@@ -33,7 +32,7 @@
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 	struct nouveau_bo *nvbo = nouveau_gem_object(obj);
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 	int npages = nvbo->bo.num_pages;
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34
 
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-	return drm_prime_pages_to_sg(nvbo->bo.ttm->pages, npages);
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+	return drm_prime_pages_to_sg(obj->dev, nvbo->bo.ttm->pages, npages);
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 }
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37
 
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 void *nouveau_gem_prime_vmap(struct drm_gem_object *obj)
..
..
@@ -61,31 +60,44 @@
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 							 struct sg_table *sg)
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 {
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 	struct nouveau_drm *drm = nouveau_drm(dev);
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+	struct drm_gem_object *obj;
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 	struct nouveau_bo *nvbo;
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-	struct reservation_object *robj = attach->dmabuf->resv;
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-	u32 flags = 0;
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+	struct dma_resv *robj = attach->dmabuf->resv;
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+	u64 size = attach->dmabuf->size;
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+	int align = 0;
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 	int ret;
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69
 
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-	flags = TTM_PL_FLAG_TT;
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-
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-	ww_mutex_lock(&robj->lock, NULL);
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-	ret = nouveau_bo_new(&drm->client, attach->dmabuf->size, 0, flags, 0, 0,
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-			     sg, robj, &nvbo);
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-	ww_mutex_unlock(&robj->lock);
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-	if (ret)
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-		return ERR_PTR(ret);
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+	dma_resv_lock(robj, NULL);
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+	nvbo = nouveau_bo_alloc(&drm->client, &size, &align,
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+				NOUVEAU_GEM_DOMAIN_GART, 0, 0);
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+	if (IS_ERR(nvbo)) {
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+		obj = ERR_CAST(nvbo);
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+		goto unlock;
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+	}
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77
 
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 	nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_GART;
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79
 
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 	/* Initialize the embedded gem-object. We return a single gem-reference
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 	 * to the caller, instead of a normal nouveau_bo ttm reference. */
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-	ret = drm_gem_object_init(dev, &nvbo->gem, nvbo->bo.mem.size);
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+	ret = drm_gem_object_init(dev, &nvbo->bo.base, size);
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 	if (ret) {
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 		nouveau_bo_ref(NULL, &nvbo);
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-		return ERR_PTR(-ENOMEM);
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+		obj = ERR_PTR(-ENOMEM);
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+		goto unlock;
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 	}
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-	return &nvbo->gem;
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+	ret = nouveau_bo_init(nvbo, size, align, NOUVEAU_GEM_DOMAIN_GART,
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+			      sg, robj);
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+	if (ret) {
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+		obj = ERR_PTR(ret);
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+		goto unlock;
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+	}
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+
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+	obj = &nvbo->bo.base;
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+
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+unlock:
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+	dma_resv_unlock(robj);
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+	return obj;
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101
 }
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102
 
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 int nouveau_gem_prime_pin(struct drm_gem_object *obj)
..
..
@@ -94,7 +106,7 @@
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 	int ret;
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 	/* pin buffer into GTT */
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-	ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_TT, false);
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+	ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_GART, false);
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 	if (ret)
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 		return -EINVAL;
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112
 
..
..
@@ -121,11 +133,4 @@
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 	struct nouveau_bo *nvbo = nouveau_gem_object(obj);
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134
 
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 	nouveau_bo_unpin(nvbo);
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-}
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-
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-struct reservation_object *nouveau_gem_prime_res_obj(struct drm_gem_object *obj)
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-{
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-	struct nouveau_bo *nvbo = nouveau_gem_object(obj);
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-
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-	return nvbo->bo.resv;
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136
 }