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From 9a142b6c2cbae5ab9b2f0b36b285745a44f456b7 Mon Sep 17 00:00:00 2001
From: Chunming Zhou <david1.zhou@amd.com>
Date: Fri, 16 Mar 2018 12:29:38 +0800
Subject: [PATCH 3908/4131] drm/amdgpu: Don't change preferred domian when
fallback GTT v5
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
v2: add sanity checking
v3: make code open
v4: also handle visible to invisible fallback
v5: Since two fallback cases, re-use goto retry
Change-Id: I2cf672ad36b8b4cc1a6b2e704f786bf6a155d9ce
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 15 +--------------
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 17 +++++++++++++++--
2 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index d6403dd..60870dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -74,26 +74,13 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
}
}
-retry:
r = amdgpu_bo_create(adev, size, alignment, initial_domain,
flags, type, resv, &bo);
if (r) {
- if (r != -ERESTARTSYS) {
- if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
- flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
- goto retry;
- }
-
- if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {
- initial_domain |= AMDGPU_GEM_DOMAIN_GTT;
- goto retry;
- }
DRM_DEBUG("Failed to allocate GEM object (%ld, %d, %u, %d)\n",
size, initial_domain, alignment, r);
- }
- return r;
+ return r;
}
-
*obj = &bo->gem_base;
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 3f0012f..e105d17 100755
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -379,6 +379,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size,
struct amdgpu_bo *bo;
unsigned long page_align;
size_t acc_size;
+ u32 domains;
int r;
page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT;
@@ -442,12 +443,24 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size,
#endif
bo->tbo.bdev = &adev->mman.bdev;
- amdgpu_ttm_placement_from_domain(bo, domain);
+ domains = bo->preferred_domains;
+retry:
+ amdgpu_ttm_placement_from_domain(bo, domains);
r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type,
&bo->placement, page_align, &ctx, acc_size,
NULL, resv, &amdgpu_ttm_bo_destroy);
- if (unlikely(r != 0))
+
+ if (unlikely(r && r != -ERESTARTSYS)) {
+ if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
+ bo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
+ goto retry;
+ } else if (domains != bo->preferred_domains) {
+ domains = bo->allowed_domains;
+ goto retry;
+ }
+ }
+ if (unlikely(r))
return r;
if (adev->gmc.visible_vram_size < adev->gmc.real_vram_size &&
--
2.7.4
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