drm/amd: remove min/max addr handling from cgs

Nobody is actually using this and it causes a bunch of unused and buggy code.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 892cd8b..df3bf22 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -45,7 +45,6 @@ struct amdgpu_cgs_device {
 static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device *cgs_device,
                                    enum cgs_gpu_mem_type type,
                                    uint64_t size, uint64_t align,
-                                   uint64_t min_offset, uint64_t max_offset,
                                    cgs_handle_t *handle)
 {
        CGS_FUNC_ADEV;
@@ -53,13 +52,6 @@ static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device *cgs_device,
        int ret = 0;
        uint32_t domain = 0;
        struct amdgpu_bo *obj;
-       struct ttm_placement placement;
-       struct ttm_place place;
-
-       if (min_offset > max_offset) {
-               BUG_ON(1);
-               return -EINVAL;
-       }
 
        /* fail if the alignment is not a power of 2 */
        if (((align != 1) && (align & (align - 1)))
@@ -73,41 +65,19 @@ static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device *cgs_device,
                flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
                        AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
                domain = AMDGPU_GEM_DOMAIN_VRAM;
-               if (max_offset > adev->mc.real_vram_size)
-                       return -EINVAL;
-               place.fpfn = min_offset >> PAGE_SHIFT;
-               place.lpfn = max_offset >> PAGE_SHIFT;
-               place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
-                       TTM_PL_FLAG_VRAM;
                break;
        case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB:
        case CGS_GPU_MEM_TYPE__INVISIBLE_FB:
                flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
                        AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
                domain = AMDGPU_GEM_DOMAIN_VRAM;
-               if (adev->mc.visible_vram_size < adev->mc.real_vram_size) {
-                       place.fpfn =
-                               max(min_offset, adev->mc.visible_vram_size) >> PAGE_SHIFT;
-                       place.lpfn =
-                               min(max_offset, adev->mc.real_vram_size) >> PAGE_SHIFT;
-                       place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
-                               TTM_PL_FLAG_VRAM;
-               }
-
                break;
        case CGS_GPU_MEM_TYPE__GART_CACHEABLE:
                domain = AMDGPU_GEM_DOMAIN_GTT;
-               place.fpfn = min_offset >> PAGE_SHIFT;
-               place.lpfn = max_offset >> PAGE_SHIFT;
-               place.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT;
                break;
        case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE:
                flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
                domain = AMDGPU_GEM_DOMAIN_GTT;
-               place.fpfn = min_offset >> PAGE_SHIFT;
-               place.lpfn = max_offset >> PAGE_SHIFT;
-               place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT |
-                       TTM_PL_FLAG_UNCACHED;
                break;
        default:
                return -EINVAL;
@@ -116,15 +86,8 @@ static int amdgpu_cgs_alloc_gpu_mem(struct cgs_device *cgs_device,
 
        *handle = 0;
 
-       placement.placement = &place;
-       placement.num_placement = 1;
-       placement.busy_placement = &place;
-       placement.num_busy_placement = 1;
-
-       ret = amdgpu_bo_create_restricted(adev, size, align,
-                                         true, domain, flags,
-                                         NULL, &placement, NULL,
-                                         0, &obj);
+       ret = amdgpu_bo_create(adev, size, align, true, domain, flags,
+                              NULL, NULL, 0, &obj);
        if (ret) {
                DRM_ERROR("(%d) bo create failed\n", ret);
                return ret;
@@ -155,19 +118,14 @@ static int amdgpu_cgs_gmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t h
                                   uint64_t *mcaddr)
 {
        int r;
-       u64 min_offset, max_offset;
        struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
 
        WARN_ON_ONCE(obj->placement.num_placement > 1);
 
-       min_offset = obj->placements[0].fpfn << PAGE_SHIFT;
-       max_offset = obj->placements[0].lpfn << PAGE_SHIFT;
-
        r = amdgpu_bo_reserve(obj, true);
        if (unlikely(r != 0))
                return r;
-       r = amdgpu_bo_pin_restricted(obj, obj->preferred_domains,
-                                    min_offset, max_offset, mcaddr);
+       r = amdgpu_bo_pin(obj, obj->preferred_domains, mcaddr);
        amdgpu_bo_unreserve(obj);
        return r;
 }

diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h
index 92eaa81..2c1f13e 100644 (file)
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -193,8 +193,6 @@ struct cgs_acpi_method_info {
  * @type:      memory type
  * @size:      size in bytes
  * @align:     alignment in bytes
- * @min_offset: minimum offset from start of heap
- * @max_offset: maximum offset from start of heap
  * @handle:    memory handle (output)
  *
  * The memory types CGS_GPU_MEM_TYPE_*_CONTIG_FB force contiguous
@@ -216,7 +214,6 @@ struct cgs_acpi_method_info {
  */
 typedef int (*cgs_alloc_gpu_mem_t)(struct cgs_device *cgs_device, enum cgs_gpu_mem_type type,
                                   uint64_t size, uint64_t align,
-                                  uint64_t min_offset, uint64_t max_offset,
                                   cgs_handle_t *handle);
 
 /**
@@ -479,8 +476,8 @@ struct cgs_device
 #define CGS_OS_CALL(func,dev,...) \
        (((struct cgs_device *)dev)->os_ops->func(dev, ##__VA_ARGS__))
 
-#define cgs_alloc_gpu_mem(dev,type,size,align,min_off,max_off,handle)  \
-       CGS_CALL(alloc_gpu_mem,dev,type,size,align,min_off,max_off,handle)
+#define cgs_alloc_gpu_mem(dev,type,size,align,handle)  \
+       CGS_CALL(alloc_gpu_mem,dev,type,size,align,handle)
 #define cgs_free_gpu_mem(dev,handle)           \
        CGS_CALL(free_gpu_mem,dev,handle)
 #define cgs_gmap_gpu_mem(dev,handle,mcaddr)    \

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
index 3bdf647..e397349 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
@@ -316,7 +316,7 @@ int smu_allocate_memory(void *device, uint32_t size,
                return -EINVAL;
 
        ret = cgs_alloc_gpu_mem(device, type, size, byte_align,
-                               0, 0, (cgs_handle_t *)handle);
+                               (cgs_handle_t *)handle);
        if (ret)
                return -ENOMEM;