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authorchangzhu <Changfeng.Zhu@amd.com>2019-11-19 10:18:39 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-11-22 14:27:11 -0500
commitdab5ef2722cde781ff3f6b3542d673ed174359b8 (patch)
treef95413f9c60a1b8db6daac65f294b593d9e1a792 /drivers/gpu/drm/amd/amdgpu
parentc348ad46b0e9503fb55ca84ea7427d736181223f (diff)
downloadlinux-dab5ef2722cde781ff3f6b3542d673ed174359b8.tar.gz
drm/amdgpu: initialize vm_inv_eng0_sem for gfxhub and mmhub
SW must acquire/release one of the vm_invalidate_eng*_sem around the invalidation req/ack. Through this way,it can avoid losing invalidate acknowledge state across power-gating off cycle. To use vm_invalidate_eng*_sem, it needs to initialize vm_invalidate_eng*_sem firstly. Signed-off-by: changzhu <Changfeng.Zhu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c4
6 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 406736a1bd3d..b499a3de8bb6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -77,6 +77,7 @@ struct amdgpu_gmc_fault {
struct amdgpu_vmhub {
uint32_t ctx0_ptb_addr_lo32;
uint32_t ctx0_ptb_addr_hi32;
+ uint32_t vm_inv_eng0_sem;
uint32_t vm_inv_eng0_req;
uint32_t vm_inv_eng0_ack;
uint32_t vm_context0_cntl;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 9ec4297e61e5..e91bd7945777 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -367,6 +367,8 @@ void gfxhub_v1_0_init(struct amdgpu_device *adev)
hub->ctx0_ptb_addr_hi32 =
SOC15_REG_OFFSET(GC, 0,
mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+ hub->vm_inv_eng0_sem =
+ SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_SEM);
hub->vm_inv_eng0_req =
SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
hub->vm_inv_eng0_ack =
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
index b4f32d853ca1..b70c7b483c24 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
@@ -356,6 +356,8 @@ void gfxhub_v2_0_init(struct amdgpu_device *adev)
hub->ctx0_ptb_addr_hi32 =
SOC15_REG_OFFSET(GC, 0,
mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+ hub->vm_inv_eng0_sem =
+ SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_SEM);
hub->vm_inv_eng0_req =
SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_REQ);
hub->vm_inv_eng0_ack =
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index d7575ac27038..adfd8a6171eb 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -416,6 +416,8 @@ void mmhub_v1_0_init(struct amdgpu_device *adev)
hub->ctx0_ptb_addr_hi32 =
SOC15_REG_OFFSET(MMHUB, 0,
mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+ hub->vm_inv_eng0_sem =
+ SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_SEM);
hub->vm_inv_eng0_req =
SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
hub->vm_inv_eng0_ack =
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
index 945533634711..a7cb185d639a 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c
@@ -348,6 +348,8 @@ void mmhub_v2_0_init(struct amdgpu_device *adev)
hub->ctx0_ptb_addr_hi32 =
SOC15_REG_OFFSET(MMHUB, 0,
mmMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+ hub->vm_inv_eng0_sem =
+ SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_SEM);
hub->vm_inv_eng0_req =
SOC15_REG_OFFSET(MMHUB, 0, mmMMVM_INVALIDATE_ENG0_REQ);
hub->vm_inv_eng0_ack =
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
index 6fe5c39e5581..753eea25b569 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
@@ -505,6 +505,10 @@ void mmhub_v9_4_init(struct amdgpu_device *adev)
SOC15_REG_OFFSET(MMHUB, 0,
mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32) +
i * MMHUB_INSTANCE_REGISTER_OFFSET;
+ hub[i]->vm_inv_eng0_sem =
+ SOC15_REG_OFFSET(MMHUB, 0,
+ mmVML2VC0_VM_INVALIDATE_ENG0_SEM) +
+ i * MMHUB_INSTANCE_REGISTER_OFFSET;
hub[i]->vm_inv_eng0_req =
SOC15_REG_OFFSET(MMHUB, 0,
mmVML2VC0_VM_INVALIDATE_ENG0_REQ) +