[PATCH 2/3] drm/amdgpu: Refine CSA related functions
Liu, Monk
Monk.Liu at amd.com
Tue Oct 16 11:19:08 UTC 2018
RB-by: Monk Liu <monk.liu at amd.com>
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Rex Zhu
Sent: Tuesday, October 16, 2018 5:25 PM
To: amd-gfx at lists.freedesktop.org; Liu, Monk <Monk.Liu at amd.com>
Cc: Zhu, Rex <Rex.Zhu at amd.com>
Subject: [PATCH 2/3] drm/amdgpu: Refine CSA related functions
There is no functional changes,
Use function arguments for SRIOV special variables which is hardcode in those functions.
so we can share those functions with os preemption in baremetal.
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++--
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 5 ++++-
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 28 ++++++++++++++--------------
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 8 +++++---
4 files changed, 26 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 3ffee08..20f36fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1658,7 +1658,8 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
/* right after GMC hw init, we create CSA */
if (amdgpu_sriov_vf(adev)) {
- r = amdgpu_allocate_static_csa(adev);
+ r = amdgpu_allocate_static_csa(adev, adev->virt.csa_obj,
+ AMDGPU_CSA_SIZE);
if (r) {
DRM_ERROR("allocate CSA failed %d\n", r);
return r;
@@ -1911,7 +1912,7 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
amdgpu_ucode_free_bo(adev);
- amdgpu_free_static_csa(adev);
+ amdgpu_free_static_csa(adev->virt.csa_obj);
amdgpu_device_wb_fini(adev);
amdgpu_device_vram_scratch_fini(adev);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 46e9d74..f5063ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -980,7 +980,10 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
}
if (amdgpu_sriov_vf(adev)) {
- r = amdgpu_map_static_csa(adev, &fpriv->vm, &fpriv->csa_va);
+ uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
+
+ r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
+ &fpriv->csa_va, csa_addr);
if (r)
goto error_vm;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index 9ff16b7..e4f2901 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -41,25 +41,25 @@ bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
return RREG32_NO_KIQ(0xc040) == 0xffffffff; }
-int amdgpu_allocate_static_csa(struct amdgpu_device *adev)
+int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo *bo,
+ uint32_t size)
{
int r;
void *ptr;
- r = amdgpu_bo_create_kernel(adev, AMDGPU_CSA_SIZE, PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_VRAM, &adev->virt.csa_obj,
+ r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM, &bo,
NULL, &ptr);
- if (r)
- return r;
+ if (!bo)
+ return -ENOMEM;
- memset(ptr, 0, AMDGPU_CSA_SIZE);
+ memset(ptr, 0, size);
return 0;
}
-void amdgpu_free_static_csa(struct amdgpu_device *adev) {
- amdgpu_bo_free_kernel(&adev->virt.csa_obj,
- NULL,
- NULL);
+void amdgpu_free_static_csa(struct amdgpu_bo *bo) {
+ amdgpu_bo_free_kernel(&bo, NULL, NULL);
}
/*
@@ -69,9 +69,9 @@ void amdgpu_free_static_csa(struct amdgpu_device *adev) {
* package to support SRIOV gfx preemption.
*/
int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
- struct amdgpu_bo_va **bo_va)
+ struct amdgpu_bo *bo, struct amdgpu_bo_va **bo_va,
+ uint64_t csa_addr)
{
- uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
struct ww_acquire_ctx ticket;
struct list_head list;
struct amdgpu_bo_list_entry pd;
@@ -80,7 +80,7 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
INIT_LIST_HEAD(&list);
INIT_LIST_HEAD(&csa_tv.head);
- csa_tv.bo = &adev->virt.csa_obj->tbo;
+ csa_tv.bo = &bo->tbo;
csa_tv.shared = true;
list_add(&csa_tv.head, &list);
@@ -92,7 +92,7 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
return r;
}
- *bo_va = amdgpu_vm_bo_add(adev, vm, adev->virt.csa_obj);
+ *bo_va = amdgpu_vm_bo_add(adev, vm, bo);
if (!*bo_va) {
ttm_eu_backoff_reservation(&ticket, &list);
DRM_ERROR("failed to create bo_va for static CSA\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index f1a6a50..c124799 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -280,10 +280,12 @@ static inline bool is_virtual_machine(void)
uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev); bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev); -int amdgpu_allocate_static_csa(struct amdgpu_device *adev);
+int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo *bo,
+ uint32_t size);
int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
- struct amdgpu_bo_va **bo_va);
-void amdgpu_free_static_csa(struct amdgpu_device *adev);
+ struct amdgpu_bo *bo,
+ struct amdgpu_bo_va **bo_va, uint64_t csa_addr); void
+amdgpu_free_static_csa(struct amdgpu_bo *bo);
void amdgpu_virt_init_setting(struct amdgpu_device *adev); uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg); void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
--
1.9.1
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