From 3ad81f167e86e3ad81f2611896d57165c62f8244 Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Fri, 5 Aug 2016 17:30:17 +0800 Subject: [PATCH] drm/amdgpu: add need backup function V2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit V2: add checking if need backup in amdgpu_bo_create. Signed-off-by: Chunming Zhou Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 +- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 06a7cab3bcc7..6fa826846e6d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -2376,6 +2376,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) /* Common functions */ int amdgpu_gpu_reset(struct amdgpu_device *adev); +bool amdgpu_need_backup(struct amdgpu_device *adev); void amdgpu_pci_config_reset(struct amdgpu_device *adev); bool amdgpu_card_posted(struct amdgpu_device *adev); void amdgpu_update_display_priority(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index c356bb538b43..21f4b748aff0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2049,6 +2049,14 @@ static int amdgpu_post_soft_reset(struct amdgpu_device *adev) return 0; } +bool amdgpu_need_backup(struct amdgpu_device *adev) +{ + if (adev->flags & AMD_IS_APU) + return false; + + return amdgpu_lockup_timeout > 0 ? true : false; +} + /** * amdgpu_gpu_reset - reset the asic * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 2c08e1b38656..60acbd22174e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -436,7 +436,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev, if (r) return r; - if (flags & AMDGPU_GEM_CREATE_SHADOW) { + if (amdgpu_need_backup(adev) && (flags & AMDGPU_GEM_CREATE_SHADOW)) { r = amdgpu_bo_create_shadow(adev, size, byte_align, (*bo_ptr)); if (r) amdgpu_bo_unref(bo_ptr); -- 2.20.1