diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3978-drm-amdkfd-Fix-MQD-size-calculation.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3978-drm-amdkfd-Fix-MQD-size-calculation.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3978-drm-amdkfd-Fix-MQD-size-calculation.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3978-drm-amdkfd-Fix-MQD-size-calculation.patch new file mode 100644 index 00000000..ed8fa89d --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3978-drm-amdkfd-Fix-MQD-size-calculation.patch @@ -0,0 +1,36 @@ +From 422949a500329692033a8700c9b067bc4ddd3b6d Mon Sep 17 00:00:00 2001 +From: Oak Zeng <Oak.Zeng@amd.com> +Date: Fri, 4 Oct 2019 09:28:21 -0500 +Subject: [PATCH 3978/4256] drm/amdkfd: Fix MQD size calculation + +On device initialization, a chunk of GTT memory is pre-allocated for +HIQ and all SDMA queues mqd. The size of this allocation was wrong. +The correct sdma engine number should be PCIe-optimized SDMA engine +number plus xgmi SDMA engine number. + +Change-Id: Iecd11ae4f5a314591566772aa2a23e1fe4b94275 +Reported-by: Jonathan Kim <Jonathan.Kim@amd.com> +Signed-off-by: Jonathan Kim <Jonathan.Kim@amd.com> +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 | 3 ++- + 1 file changed, 2 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 437a9d28b5c2..d8b54ebe8359 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +@@ -1840,7 +1840,8 @@ static int allocate_hiq_sdma_mqd(struct device_queue_manager *dqm) + struct kfd_dev *dev = dqm->dev; + struct kfd_mem_obj *mem_obj = &dqm->hiq_sdma_mqd; + uint32_t size = dqm->mqd_mgrs[KFD_MQD_TYPE_SDMA]->mqd_size * +- dev->device_info->num_sdma_engines * ++ (dev->device_info->num_sdma_engines + ++ dev->device_info->num_xgmi_sdma_engines) * + dev->device_info->num_sdma_queues_per_engine + + dqm->mqd_mgrs[KFD_MQD_TYPE_HIQ]->mqd_size; + +-- +2.17.1 + |