From: Pierre-Eric Pelloux-Prayer Date: Mon, 26 Jan 2026 09:17:43 +0000 (+0100) Subject: amdgpu/gtt: remove AMDGPU_GTT_NUM_TRANSFER_WINDOWS X-Git-Tag: v7.1-rc1~167^2~31^2~145 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3d9eea6d000b34a087d02b1614931cff039d7f26;p=thirdparty%2Fkernel%2Flinux.git amdgpu/gtt: remove AMDGPU_GTT_NUM_TRANSFER_WINDOWS It's not needed anymore. Signed-off-by: Pierre-Eric Pelloux-Prayer Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c index 65483f0a44c19..620fddde4c4dd 100644 --- 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 8af0aab7608cb..f927b793c395f 100644 --- 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;