samsung-sm8650/android_kernel_samsung_sm8650-modules
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drm: msm: set non-secure context bank as default address space

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This change defaults each msm_obj buffer to non secure context
bank. This allows the cache maintenance operations to be performed
correctly on the msm_obj if it is used for GEM buffers.
For dma-buf heap buffers plane would assign the correct aspace
based on fb translation mode property.

Change-Id: Id07f844f0fe55bbe6b4d0748019a13455b510fb8
Signed-off-by: Abhijit Kulkarni <kabhijit@codeaurora.org>
This commit is contained in:
Abhijit Kulkarni
2021-02-04 18:21:33 -08:00
parent 23734fc295
commit 11bb31225c
1 changed files with 10 additions and 4 deletions
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14
msm/msm_gem.c
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@@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat * Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com> * Author: Rob Clark <robdclark@gmail.com>
* *
@@ -117,11 +117,14 @@ static struct page **get_pages(struct drm_gem_object *obj)
*/ */
} else if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED)) { } else if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED)) {
aspace_dev = msm_gem_get_aspace_device(msm_obj->aspace); aspace_dev = msm_gem_get_aspace_device(msm_obj->aspace);
if (aspace_dev) if (aspace_dev) {
dma_map_sg(aspace_dev, msm_obj->sgt->sgl, dma_map_sg(aspace_dev, msm_obj->sgt->sgl,
msm_obj->sgt->nents, DMA_BIDIRECTIONAL); msm_obj->sgt->nents, DMA_BIDIRECTIONAL);
else /* mark the buffer as external buffer */
msm_obj->flags |= MSM_BO_EXTBUF;
} else {
DRM_ERROR("failed to get aspace_device\n"); DRM_ERROR("failed to get aspace_device\n");
}
} }
} }
@@ -1108,7 +1111,10 @@ static int msm_gem_new_impl(struct drm_device *dev,
INIT_LIST_HEAD(&msm_obj->submit_entry); INIT_LIST_HEAD(&msm_obj->submit_entry);
INIT_LIST_HEAD(&msm_obj->vmas); INIT_LIST_HEAD(&msm_obj->vmas);
INIT_LIST_HEAD(&msm_obj->iova_list); INIT_LIST_HEAD(&msm_obj->iova_list);
msm_obj->aspace = NULL; msm_obj->aspace = msm_gem_smmu_address_space_get(dev,
MSM_SMMU_DOMAIN_UNSECURE);
if (IS_ERR(msm_obj->aspace))
msm_obj->aspace = NULL;
msm_obj->in_active_list = false; msm_obj->in_active_list = false;
msm_obj->obj_dirty = false; msm_obj->obj_dirty = false;