amdgpu/gtt: remove AMDGPU_GTT_NUM_TRANSFER_WINDOWS

It's not needed anymore.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index 65483f0a44c19a0837539752ef3001078b401f79..620fddde4c4dd0647d34622c1fd766332e16debb 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -324,16 +324,13 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
 {
        struct amdgpu_gtt_mgr *mgr = &adev->mman.gtt_mgr;
        struct ttm_resource_manager *man = &mgr->manager;
-       uint64_t start, size;
 
        man->use_tt = true;
        man->func = &amdgpu_gtt_mgr_func;
 
        ttm_resource_manager_init(man, &adev->mman.bdev, gtt_size);
 
-       start = AMDGPU_GTT_MAX_TRANSFER_SIZE * AMDGPU_GTT_NUM_TRANSFER_WINDOWS;
-       size = (adev->gmc.gart_size >> PAGE_SHIFT) - start;
-       drm_mm_init(&mgr->mm, start, size);
+       drm_mm_init(&mgr->mm, 0, adev->gmc.gart_size >> PAGE_SHIFT);
        spin_lock_init(&mgr->lock);
 
        ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_TT, &mgr->manager);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 8af0aab7608cbed5031b792c0b628b4dc3bce89c..f927b793c395f6712ae73e7f75bcb1baed1f3301 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -40,7 +40,6 @@
 #define __AMDGPU_PL_NUM        (TTM_PL_PRIV + 6)
 
 #define AMDGPU_GTT_MAX_TRANSFER_SIZE   512
-#define AMDGPU_GTT_NUM_TRANSFER_WINDOWS        3
 
 extern const struct attribute_group amdgpu_vram_mgr_attr_group;
 extern const struct attribute_group amdgpu_gtt_mgr_attr_group;