From cc15dfaa85e8dfc763f22caca54fa097e377ea27 Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Fri, 16 Mar 2018 12:29:38 +0800 Subject: [PATCH] drm/amdgpu: Don't change preferred domian when fallback GTT v5 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 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 Signed-off-by: Chunming Zhou Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 16 ++-------------- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 18 +++++++++++++++--- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 46b9ea4..28c2706 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -56,23 +56,11 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, alignment = PAGE_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); - } + DRM_DEBUG("Failed to allocate GEM object (%ld, %d, %u, %d)\n", + size, initial_domain, alignment, r); return r; } *obj = &bo->gem_base; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 6d08cde..fac4b60 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -356,6 +356,7 @@ 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; @@ -417,12 +418,23 @@ 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