drm/amdgpu/ttm: move vram/gtt mgr allocations to mman.

Christian suggested this and it makes sense.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200806233459.4057784-2-airlied@gmail.com

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index c847a5f..0105181 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -24,13 +24,6 @@
 
 #include "amdgpu.h"
 
-struct amdgpu_gtt_mgr {
-       struct ttm_resource_manager manager;
-       struct drm_mm mm;
-       spinlock_t lock;
-       atomic64_t available;
-};
-
 static inline struct amdgpu_gtt_mgr *to_gtt_mgr(struct ttm_resource_manager *man)
 {
        return container_of(man, struct amdgpu_gtt_mgr, manager);
@@ -93,16 +86,11 @@ static const struct ttm_resource_manager_func amdgpu_gtt_mgr_func;
  */
 int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
 {
-       struct ttm_resource_manager *man;
-       struct amdgpu_gtt_mgr *mgr;
+       struct amdgpu_gtt_mgr *mgr = &adev->mman.gtt_mgr;
+       struct ttm_resource_manager *man = &mgr->manager;
        uint64_t start, size;
        int ret;
 
-       mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
-       if (!mgr)
-               return -ENOMEM;
-
-       man = &mgr->manager;
        man->use_tt = true;
        man->func = &amdgpu_gtt_mgr_func;
        man->available_caching = TTM_PL_MASK_CACHING;
@@ -142,8 +130,8 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
  */
 void amdgpu_gtt_mgr_fini(struct amdgpu_device *adev)
 {
-       struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
-       struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
+       struct amdgpu_gtt_mgr *mgr = &adev->mman.gtt_mgr;
+       struct ttm_resource_manager *man = &mgr->manager;
        int ret;
 
        ttm_resource_manager_set_used(man, false);
@@ -161,7 +149,6 @@ void amdgpu_gtt_mgr_fini(struct amdgpu_device *adev)
 
        ttm_resource_manager_cleanup(man);
        ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_TT, NULL);
-       kfree(mgr);
 }
 
 /**

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 433156c..67022ed 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -41,6 +41,22 @@
 
 #define AMDGPU_POISON  0xd0bed0be
 
+struct amdgpu_vram_mgr {
+       struct ttm_resource_manager manager;
+       struct drm_mm mm;
+       spinlock_t lock;
+       atomic64_t usage;
+       atomic64_t vis_usage;
+       struct amdgpu_device *adev;
+};
+
+struct amdgpu_gtt_mgr {
+       struct ttm_resource_manager manager;
+       struct drm_mm mm;
+       spinlock_t lock;
+       atomic64_t available;
+};
+
 struct amdgpu_mman {
        struct ttm_bo_device            bdev;
        bool                            mem_global_referenced;
@@ -59,6 +75,9 @@ struct amdgpu_mman {
        struct mutex                            gtt_window_lock;
        /* Scheduler entity for buffer moves */
        struct drm_sched_entity                 entity;
+
+       struct amdgpu_vram_mgr vram_mgr;
+       struct amdgpu_gtt_mgr gtt_mgr;
 };
 
 struct amdgpu_copy_mem {

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 895634c..a41a8ab 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -28,15 +28,6 @@
 #include "amdgpu_atomfirmware.h"
 #include "atom.h"
 
-struct amdgpu_vram_mgr {
-       struct ttm_resource_manager manager;
-       struct drm_mm mm;
-       spinlock_t lock;
-       atomic64_t usage;
-       atomic64_t vis_usage;
-       struct amdgpu_device *adev;
-};
-
 static inline struct amdgpu_vram_mgr *to_vram_mgr(struct ttm_resource_manager *man)
 {
        return container_of(man, struct amdgpu_vram_mgr, manager);
@@ -177,16 +168,10 @@ static const struct ttm_resource_manager_func amdgpu_vram_mgr_func;
  */
 int amdgpu_vram_mgr_init(struct amdgpu_device *adev)
 {
-       struct ttm_resource_manager *man;
-       struct amdgpu_vram_mgr *mgr;
+       struct amdgpu_vram_mgr *mgr = &adev->mman.vram_mgr;
+       struct ttm_resource_manager *man = &mgr->manager;
        int ret;
 
-       mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
-       if (!mgr)
-               return -ENOMEM;
-
-       man = &mgr->manager;
-
        man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
        man->default_caching = TTM_PL_FLAG_WC;
 
@@ -219,8 +204,8 @@ int amdgpu_vram_mgr_init(struct amdgpu_device *adev)
  */
 void amdgpu_vram_mgr_fini(struct amdgpu_device *adev)
 {
-       struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
-       struct amdgpu_vram_mgr *mgr = to_vram_mgr(man);
+       struct amdgpu_vram_mgr *mgr = &adev->mman.vram_mgr;
+       struct ttm_resource_manager *man = &mgr->manager;
        int ret;
 
        ttm_resource_manager_set_used(man, false);
@@ -237,7 +222,6 @@ void amdgpu_vram_mgr_fini(struct amdgpu_device *adev)
 
        ttm_resource_manager_cleanup(man);
        ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_VRAM, NULL);
-       kfree(mgr);
 }
 
 /**