From 9873ef0743535ee71efecfb5228f96432e393f8a Mon Sep 17 00:00:00 2001 From: Jordan Crouse Date: Mon, 6 Feb 2017 10:39:29 -0700 Subject: drm/msm: Make sure to detach the MMU during GPU cleanup We should be detaching the MMU before destroying the address space. To do this cleanly, the detach has to happen in adreno_gpu_cleanup() because it needs access to structs in adreno_gpu.c. Plus it is better symmetry to have the attach and detach at the same code level. Signed-off-by: Jordan Crouse Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) (limited to 'drivers/gpu/drm/msm/adreno') diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 05a3d1fd6d30..a50f9ba3bafa 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -417,18 +417,27 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, return 0; } -void adreno_gpu_cleanup(struct adreno_gpu *gpu) +void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu) { - if (gpu->memptrs_bo) { - if (gpu->memptrs) - msm_gem_put_vaddr(gpu->memptrs_bo); + struct msm_gpu *gpu = &adreno_gpu->base; + + if (adreno_gpu->memptrs_bo) { + if (adreno_gpu->memptrs) + msm_gem_put_vaddr(adreno_gpu->memptrs_bo); + + if (adreno_gpu->memptrs_iova) + msm_gem_put_iova(adreno_gpu->memptrs_bo, gpu->id); + + drm_gem_object_unreference_unlocked(adreno_gpu->memptrs_bo); + } + release_firmware(adreno_gpu->pm4); + release_firmware(adreno_gpu->pfp); - if (gpu->memptrs_iova) - msm_gem_put_iova(gpu->memptrs_bo, gpu->base.id); + msm_gpu_cleanup(gpu); - drm_gem_object_unreference_unlocked(gpu->memptrs_bo); + if (gpu->aspace) { + gpu->aspace->mmu->funcs->detach(gpu->aspace->mmu, + iommu_ports, ARRAY_SIZE(iommu_ports)); + msm_gem_address_space_destroy(gpu->aspace); } - release_firmware(gpu->pm4); - release_firmware(gpu->pfp); - msm_gpu_cleanup(&gpu->base); } -- cgit v1.2.3