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Message-ID: <20260203102236.3456-12-pierre-eric.pelloux-prayer@amd.com>
Date: Tue, 3 Feb 2026 11:22:18 +0100
From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com>
To: Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>, David Airlie
<airlied@...il.com>, Simona Vetter <simona@...ll.ch>, Sumit Semwal
<sumit.semwal@...aro.org>
CC: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com>,
<amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
<linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>,
<linaro-mm-sig@...ts.linaro.org>
Subject: [PATCH v4 11/12] drm/amdgpu: rename amdgpu_fill_buffer as amdgpu_ttm_clear_buffer
This is the only use case for this function.
---
v2: amdgpu_ttm_clear_buffer instead of amdgpu_clear_buffer
---
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com>
Reviewed-by: Christian König <christian.koenig@....com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 12 +++++------
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 23 ++++++++++------------
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 13 ++++++------
3 files changed, 22 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index d0884bbffa75..195cb1c814d1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -717,9 +717,9 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
bo->tbo.resource->mem_type == TTM_PL_VRAM) {
struct dma_fence *fence;
- r = amdgpu_fill_buffer(amdgpu_ttm_next_clear_entity(adev),
- bo, 0, NULL, &fence,
- true, AMDGPU_KERNEL_JOB_ID_TTM_CLEAR_BUFFER);
+ r = amdgpu_ttm_clear_buffer(amdgpu_ttm_next_clear_entity(adev),
+ bo, NULL, &fence,
+ true, AMDGPU_KERNEL_JOB_ID_TTM_CLEAR_BUFFER);
if (unlikely(r))
goto fail_unreserve;
@@ -1329,9 +1329,9 @@ void amdgpu_bo_release_notify(struct ttm_buffer_object *bo)
if (r)
goto out;
- r = amdgpu_fill_buffer(amdgpu_ttm_next_clear_entity(adev),
- abo, 0, &bo->base._resv, &fence,
- false, AMDGPU_KERNEL_JOB_ID_CLEAR_ON_RELEASE);
+ r = amdgpu_ttm_clear_buffer(amdgpu_ttm_next_clear_entity(adev),
+ abo, &bo->base._resv, &fence,
+ false, AMDGPU_KERNEL_JOB_ID_CLEAR_ON_RELEASE);
if (WARN_ON(r))
goto out;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index b7124356dd26..3b369b3fbce8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -417,8 +417,8 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
if (old_mem->mem_type == TTM_PL_VRAM &&
(abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE)) {
struct dma_fence *wipe_fence = NULL;
- r = amdgpu_fill_buffer(entity, abo, 0, NULL, &wipe_fence,
- false, AMDGPU_KERNEL_JOB_ID_MOVE_BLIT);
+ r = amdgpu_ttm_clear_buffer(entity, abo, NULL, &wipe_fence,
+ false, AMDGPU_KERNEL_JOB_ID_MOVE_BLIT);
if (r) {
goto error;
} else if (wipe_fence) {
@@ -2582,26 +2582,23 @@ static int amdgpu_ttm_fill_mem(struct amdgpu_device *adev,
}
/**
- * amdgpu_fill_buffer - fill a buffer with a given value
+ * amdgpu_ttm_clear_buffer - fill a buffer with 0
* @entity: entity to use
* @bo: the bo to fill
- * @src_data: the value to set
* @resv: fences contained in this reservation will be used as dependencies.
* @out_fence: the fence from the last clear will be stored here. It might be
* NULL if no job was run.
- * @dependency: optional input dependency fence.
* @consider_clear_status: true if region reported as cleared by amdgpu_res_cleared()
* are skipped.
* @k_job_id: trace id
*
*/
-int amdgpu_fill_buffer(struct amdgpu_ttm_buffer_entity *entity,
- struct amdgpu_bo *bo,
- uint32_t src_data,
- struct dma_resv *resv,
- struct dma_fence **out_fence,
- bool consider_clear_status,
- u64 k_job_id)
+int amdgpu_ttm_clear_buffer(struct amdgpu_ttm_buffer_entity *entity,
+ struct amdgpu_bo *bo,
+ struct dma_resv *resv,
+ struct dma_fence **out_fence,
+ bool consider_clear_status,
+ u64 k_job_id)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct dma_fence *fence = NULL;
@@ -2632,7 +2629,7 @@ int amdgpu_fill_buffer(struct amdgpu_ttm_buffer_entity *entity,
goto error;
r = amdgpu_ttm_fill_mem(adev, entity,
- src_data, to, cur_size, resv,
+ 0, to, cur_size, resv,
&next, true, k_job_id);
if (r)
goto error;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 436a3e09a178..d7b14d5cac77 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -187,13 +187,12 @@ int amdgpu_copy_buffer(struct amdgpu_device *adev,
struct dma_resv *resv,
struct dma_fence **fence,
bool vm_needs_flush, uint32_t copy_flags);
-int amdgpu_fill_buffer(struct amdgpu_ttm_buffer_entity *entity,
- struct amdgpu_bo *bo,
- uint32_t src_data,
- struct dma_resv *resv,
- struct dma_fence **out_fence,
- bool consider_clear_status,
- u64 k_job_id);
+int amdgpu_ttm_clear_buffer(struct amdgpu_ttm_buffer_entity *entity,
+ struct amdgpu_bo *bo,
+ struct dma_resv *resv,
+ struct dma_fence **out_fence,
+ bool consider_clear_status,
+ u64 k_job_id);
struct amdgpu_ttm_buffer_entity *amdgpu_ttm_next_clear_entity(struct amdgpu_device *adev);
int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo);
--
2.43.0
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