diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5619-drm-amdkfd-Change-the-control-stack-mtype-from-UC-to.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5619-drm-amdkfd-Change-the-control-stack-mtype-from-UC-to.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5619-drm-amdkfd-Change-the-control-stack-mtype-from-UC-to.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5619-drm-amdkfd-Change-the-control-stack-mtype-from-UC-to.patch new file mode 100644 index 00000000..d715ee6f --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5619-drm-amdkfd-Change-the-control-stack-mtype-from-UC-to.patch @@ -0,0 +1,51 @@ +From 5efc2a33758376e129f341ace63f5015af7f370d Mon Sep 17 00:00:00 2001 +From: Yong Zhao <yong.zhao@amd.com> +Date: Mon, 14 May 2018 12:19:22 -0400 +Subject: [PATCH 5619/5725] drm/amdkfd: Change the control stack mtype from UC + to NC on GFX9 + +Due to a HW bug on GFX9, the mtype of control stack buffers, which are +allocated in mqd BOs on VMID 0 gart and are one page offset from mqd +starting addresses, should be set to NC rather than the default gart +mtype UC. + +Fix: KFD-381 + +Change-Id: I865756efb038512ecb5d4071b2e3d3784db5d4ff +Signed-off-by: Yong Zhao <yong.zhao@amd.com> +Signed-off-by: Kalyan Alle <kalyan.alle@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_device.c | 3 ++- + drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 2 +- + 2 files changed, 3 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c +index a9ad2a8..ad01a983 100755 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c +@@ -456,7 +456,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, + + if (kfd->kfd2kgd->init_gtt_mem_allocation( + kfd->kgd, size, &kfd->gtt_mem, +- &kfd->gtt_start_gpu_addr, &kfd->gtt_start_cpu_ptr)){ ++ &kfd->gtt_start_gpu_addr, &kfd->gtt_start_cpu_ptr, ++ false)) { + dev_err(kfd_device, "Could not allocate %d bytes\n", size); + goto out; + } +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +index f4e8efc..5118995 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +@@ -115,7 +115,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd, + ALIGN(sizeof(struct v9_mqd), PAGE_SIZE), + &((*mqd_mem_obj)->gtt_mem), + &((*mqd_mem_obj)->gpu_addr), +- (void *)&((*mqd_mem_obj)->cpu_ptr)); ++ (void *)&((*mqd_mem_obj)->cpu_ptr), true); + } else + retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct v9_mqd), + mqd_mem_obj); +-- +2.7.4 + |