From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DA90918628; Sat, 3 Feb 2024 04:13:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706933624; cv=none; b=KlQuWGe7q2/wzUaqVuDOFO+Y/yCkIZt66KcGb75+qxZcDkeKTS1gtnwSIba2Isf5Fb9+aqIwaNvcsD5bRJM3TWVMZIg6t1Hy45pazfdG3Bl51F3H7L+ncSLeV+XfhTdyAzTnymbdt2qPBwJNuPFLresGo8QBm8dTM/f9LWiNoM0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706933624; c=relaxed/simple; bh=asmOlhtwMaMwSfYOCiExG8tRjsuwFgoYOutCjV4oTa4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=RsYjhNld8ShkND6cUzpmI34CzkIDnDvbl6m+YTZayeA6aCOex/C2bfAdo/jKwske9SU9CFIB/ifHz7QpKHNvJOsrKB7TK44a3jFbe3dp1wA54iobHjZbLwWDvuPJWvS+jmLb5bBWZjVU61GgUyF/srhpgnZDOpFnr6rnIbjHuqU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zp0DdkLV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="zp0DdkLV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1E56C433C7; Sat, 3 Feb 2024 04:13:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1706933623; bh=asmOlhtwMaMwSfYOCiExG8tRjsuwFgoYOutCjV4oTa4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zp0DdkLVp43Th+rswWDM9RYdVc9CNb3w+hmaKDs0Q638dnBpDbX2pJno6GgUs6Wy9 L1wvGMZZw8nBgs/lM7C+LpssxCZxxIhzw+oqZ1q+sYep5/GtiKYsXHrhKOplmSm09Z IEZbSMbsZeWztY12tNzvAoROuERoAt8UfqORKfL8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, "Wang, Beyond" , =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher , Sasha Levin , Wang Subject: [PATCH 6.6 200/322] drm/amdgpu: fix ftrace event amdgpu_bo_move always move on same heap Date: Fri, 2 Feb 2024 20:04:57 -0800 Message-ID: <20240203035405.700882579@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240203035359.041730947@linuxfoundation.org> References: <20240203035359.041730947@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wang, Beyond [ Upstream commit 94aeb4117343d072e3a35b9595bcbfc0058ee724 ] Issue: during evict or validate happened on amdgpu_bo, the 'from' and 'to' is always same in ftrace event of amdgpu_bo_move where calling the 'trace_amdgpu_bo_move', the comment says move_notify is called before move happens, but actually it is called after move happens, here the new_mem is same as bo->resource Fix: move trace_amdgpu_bo_move from move_notify to amdgpu_bo_move Signed-off-by: Wang, Beyond Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 13 +------------ drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 4 +--- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 5 +++-- 3 files changed, 5 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index ace837cfa0a6..173b43a5aa13 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1250,19 +1250,15 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer, * amdgpu_bo_move_notify - notification about a memory move * @bo: pointer to a buffer object * @evict: if this move is evicting the buffer from the graphics address space - * @new_mem: new information of the bufer object * * Marks the corresponding &amdgpu_bo buffer object as invalid, also performs * bookkeeping. * TTM driver callback which is called when ttm moves a buffer. */ -void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, - bool evict, - struct ttm_resource *new_mem) +void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev); struct amdgpu_bo *abo; - struct ttm_resource *old_mem = bo->resource; if (!amdgpu_bo_is_amdgpu_bo(bo)) return; @@ -1279,13 +1275,6 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, /* remember the eviction */ if (evict) atomic64_inc(&adev->num_evictions); - - /* update statistics */ - if (!new_mem) - return; - - /* move_notify is called before move happens */ - trace_amdgpu_bo_move(abo, new_mem->mem_type, old_mem->mem_type); } void amdgpu_bo_get_memory(struct amdgpu_bo *bo, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index d28e21baef16..a3ea8a82db23 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -344,9 +344,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer, size_t buffer_size, uint32_t *metadata_size, uint64_t *flags); -void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, - bool evict, - struct ttm_resource *new_mem); +void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict); void amdgpu_bo_release_notify(struct ttm_buffer_object *bo); vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo); void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 4e51dce3aab5..f573909332c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -545,10 +545,11 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, return r; } + trace_amdgpu_bo_move(abo, new_mem->mem_type, old_mem->mem_type); out: /* update statistics */ atomic64_add(bo->base.size, &adev->num_bytes_moved); - amdgpu_bo_move_notify(bo, evict, new_mem); + amdgpu_bo_move_notify(bo, evict); return 0; } @@ -1555,7 +1556,7 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo, static void amdgpu_bo_delete_mem_notify(struct ttm_buffer_object *bo) { - amdgpu_bo_move_notify(bo, false, NULL); + amdgpu_bo_move_notify(bo, false); } static struct ttm_device_funcs amdgpu_bo_driver = { -- 2.43.0