From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
To: "Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>
Cc: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>,
<amd-gfx@lists.freedesktop.org>,
<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v7 07/12] amdgpu/gtt: remove AMDGPU_GTT_NUM_TRANSFER_WINDOWS
Date: Thu, 29 Jan 2026 16:33:19 +0100 [thread overview]
Message-ID: <20260129153336.7473-8-pierre-eric.pelloux-prayer@amd.com> (raw)
In-Reply-To: <20260129153336.7473-1-pierre-eric.pelloux-prayer@amd.com>
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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 5 +----
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 1 -
2 files changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index f2e89fb4b666..9b0bcf6aca44 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 8af0aab7608c..f927b793c395 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;
--
2.43.0
next prev parent reply other threads:[~2026-01-29 15:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-29 15:33 [PATCH v7 00/12] drm/amdgpu: preparation patchs for the use all SDMA instances series Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 01/12] drm/amdgpu: remove gart_window_lock usage from gmc v12_1 Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 02/12] drm/amdgpu: statically assign gart windows to ttm entities Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 03/12] drm/amdgpu: add amdgpu_ttm_buffer_entity_fini func Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 04/12] drm/amdgpu: add amdgpu_gtt_node_to_byte_offset helper Pierre-Eric Pelloux-Prayer
2026-01-30 12:49 ` Christian König
2026-01-29 15:33 ` [PATCH v7 05/12] amdgpu/vce: use amdgpu_gtt_mgr_alloc_entries Pierre-Eric Pelloux-Prayer
2026-01-30 12:56 ` Christian König
2026-01-29 15:33 ` [PATCH v7 06/12] amdgpu/ttm: " Pierre-Eric Pelloux-Prayer
2026-01-30 14:24 ` Christian König
2026-01-29 15:33 ` Pierre-Eric Pelloux-Prayer [this message]
2026-01-29 15:33 ` [PATCH v7 08/12] drm/amdgpu: add missing lock in amdgpu_benchmark_do_move Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 09/12] drm/amdgpu: check entity lock is held in amdgpu_ttm_job_submit Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 10/12] drm/amdgpu: double AMDGPU_GTT_MAX_TRANSFER_SIZE Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 11/12] drm/amdgpu: introduce amdgpu_sdma_set_vm_pte_scheds Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 12/12] drm/amdgpu: move sched status check inside amdgpu_ttm_set_buffer_funcs_status Pierre-Eric Pelloux-Prayer
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