diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2240-drm-amdgpu-expose-the-VA-above-the-hole-to-userspace.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2240-drm-amdgpu-expose-the-VA-above-the-hole-to-userspace.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2240-drm-amdgpu-expose-the-VA-above-the-hole-to-userspace.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2240-drm-amdgpu-expose-the-VA-above-the-hole-to-userspace.patch new file mode 100644 index 00000000..e943fc9e --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2240-drm-amdgpu-expose-the-VA-above-the-hole-to-userspace.patch @@ -0,0 +1,53 @@ +From 7dcdacdac312eabe78109c052a0783a833b2e1ac Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Tue, 7 Nov 2017 12:03:31 +0100 +Subject: [PATCH 2240/4131] drm/amdgpu: expose the VA above the hole to + userspace +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Let userspace know how much area we have above the 48bit VA hole on +Vega10. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 12 ++++++++++-- + 1 file changed, 10 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +index f978739..1481a4a 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +@@ -590,6 +590,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file + } + case AMDGPU_INFO_DEV_INFO: { + struct drm_amdgpu_info_device dev_info = {}; ++ uint64_t vm_size; + + dev_info.device_id = dev->pdev->device; + dev_info.chip_rev = adev->rev_id; +@@ -617,10 +618,17 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file + dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION; + if (amdgpu_sriov_vf(adev)) + dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION; ++ ++ vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE; + dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE; + dev_info.virtual_address_max = +- min(adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE, +- AMDGPU_VA_HOLE_START); ++ min(vm_size, AMDGPU_VA_HOLE_START); ++ ++ vm_size -= AMDGPU_VA_RESERVED_SIZE; ++ if (vm_size > AMDGPU_VA_HOLE_START) { ++ dev_info.high_va_offset = AMDGPU_VA_HOLE_END; ++ dev_info.high_va_max = AMDGPU_VA_HOLE_END | vm_size; ++ } + dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE); + dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE; + dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE; +-- +2.7.4 + |