From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on sa.local.altlinux.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.1 From: lakostis@altlinux.org To: devel-kernel@lists.altlinux.org Date: Wed, 3 Jan 2024 10:15:37 +0100 Message-ID: <20240103091547.2422006-2-lakostis@altlinux.org> X-Mailer: git-send-email 2.42.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: "Konstantin A. Lepikhov" Subject: [d-kernel] [PATCH] amdkfd: partially revert 96c211f1f9ef82183493f4ceed4e347b52849149 X-BeenThere: devel-kernel@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: ALT Linux kernel packages development List-Id: ALT Linux kernel packages development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Jan 2024 09:16:14 -0000 Archived-At: List-Archive: List-Post: From: "Konstantin A. Lepikhov" This fixes the issue with hanging/crashing blender/opencl applications See https://github.com/ROCm/ROCm/issues/2596#issuecomment-1874371163 (Can be applied to v6.6.9 kernel) --- drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c | 26 ++++++++++---------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c index 62b205dac63a..efb05acea2f8 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c @@ -330,12 +330,6 @@ static void kfd_init_apertures_vi(struct kfd_process_device *pdd, uint8_t id) pdd->gpuvm_limit = pdd->dev->kfd->shared_resources.gpuvm_size - 1; - /* dGPUs: the reserved space for kernel - * before SVM - */ - pdd->qpd.cwsr_base = SVM_CWSR_BASE; - pdd->qpd.ib_base = SVM_IB_BASE; - pdd->scratch_base = MAKE_SCRATCH_APP_BASE_VI(); pdd->scratch_limit = MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); } @@ -345,18 +339,18 @@ static void kfd_init_apertures_v9(struct kfd_process_device *pdd, uint8_t id) pdd->lds_base = MAKE_LDS_APP_BASE_V9(); pdd->lds_limit = MAKE_LDS_APP_LIMIT(pdd->lds_base); - pdd->gpuvm_base = PAGE_SIZE; + /* Raven needs SVM to support graphic handle, etc. Leave the small + * reserved space before SVM on Raven as well, even though we don't + * have to. + * Set gpuvm_base and gpuvm_limit to CANONICAL addresses so that they + * are used in Thunk to reserve SVM. + */ + pdd->gpuvm_base = SVM_USER_BASE; pdd->gpuvm_limit = pdd->dev->kfd->shared_resources.gpuvm_size - 1; pdd->scratch_base = MAKE_SCRATCH_APP_BASE_V9(); pdd->scratch_limit = MAKE_SCRATCH_APP_LIMIT(pdd->scratch_base); - - /* - * Place TBA/TMA on opposite side of VM hole to prevent - * stray faults from triggering SVM on these pages. - */ - pdd->qpd.cwsr_base = pdd->dev->kfd->shared_resources.gpuvm_size; } int kfd_init_apertures(struct kfd_process *process) @@ -413,6 +407,12 @@ int kfd_init_apertures(struct kfd_process *process) return -EINVAL; } } + + /* dGPUs: the reserved space for kernel + * before SVM + */ + pdd->qpd.cwsr_base = SVM_CWSR_BASE; + pdd->qpd.ib_base = SVM_IB_BASE; } dev_dbg(kfd_device, "node id %u\n", id); -- 2.42.1