diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2797-drm-amdkfd-Only-load-sdma-mqd-when-queue-is-active.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2797-drm-amdkfd-Only-load-sdma-mqd-when-queue-is-active.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2797-drm-amdkfd-Only-load-sdma-mqd-when-queue-is-active.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2797-drm-amdkfd-Only-load-sdma-mqd-when-queue-is-active.patch new file mode 100644 index 00000000..b6881af3 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2797-drm-amdkfd-Only-load-sdma-mqd-when-queue-is-active.patch @@ -0,0 +1,35 @@ +From 5950969802a1f2236fb234b8d1b4962d1b14f55f Mon Sep 17 00:00:00 2001 +From: Oak Zeng <Oak.Zeng@amd.com> +Date: Mon, 3 Jun 2019 12:28:13 -0500 +Subject: [PATCH 2797/2940] drm/amdkfd: Only load sdma mqd when queue is active + +Also calls load_mqd with current->mm struct. The mm +struct is used to read back user wptr of the queue. + +Change-Id: I0e419eadd874607e783c3d29625e89d46ff41635 +Signed-off-by: Oak Zeng <Oak.Zeng@amd.com> +Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +index 1b95be774e74..188ef938d5d9 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +@@ -1072,8 +1072,11 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, + if (retval) + goto out_deallocate_doorbell; + ++ if (!q->properties.is_active) ++ return 0; ++ + retval = mqd_mgr->load_mqd(mqd_mgr, q->mqd, 0, 0, &q->properties, +- NULL); ++ current->mm); + if (retval) + goto out_uninit_mqd; + +-- +2.17.1 + |