[PATCH 21/31] drm/amdgpu: add a gmc callback for the inv semaphore

[Alex Deucher <alexander.deucher@amd.com>]

Used to determine whether or not to use the invalidation
semaphore for a particular hub.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 3 +++
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c   | 1 +
 6 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 27785b1b38ccd..f20f08630408e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -175,6 +175,9 @@ struct amdgpu_gmc_funcs {
 	bool (*get_vmid_pasid_mapping_info)(struct amdgpu_device *adev,
 					    uint8_t vmid, uint8_t inst,
 					    uint16_t *p_pasid);
+	/* determine whether or not to use the inv semaphore */
+	bool (*use_invalidate_semaphore)(struct amdgpu_device *adev,
+					 uint32_t vmhub);
 	/* enable/disable PRT support */
 	void (*set_prt)(struct amdgpu_device *adev, bool enable);
 	/* get the pde for a given mc addr */
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 0028639448956..4bb10a89ce582 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -557,6 +557,7 @@ static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
 	.emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb,
 	.emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping,
 	.get_vmid_pasid_mapping_info = gmc_v10_0_get_atc_vmid_pasid_mapping_info,
+	.use_invalidate_semaphore = gmc_v10_0_use_invalidate_semaphore,
 	.get_vm_pde = gmc_v10_0_get_vm_pde,
 	.get_vm_pte = gmc_v10_0_get_vm_pte,
 	.get_vbios_fb_size = gmc_v10_0_get_vbios_fb_size,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index b34bd7881726d..acab9f4180da6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -548,6 +548,7 @@ static const struct amdgpu_gmc_funcs gmc_v11_0_gmc_funcs = {
 	.emit_flush_gpu_tlb = gmc_v11_0_emit_flush_gpu_tlb,
 	.emit_pasid_mapping = gmc_v11_0_emit_pasid_mapping,
 	.get_vmid_pasid_mapping_info = gmc_v11_0_get_vmid_pasid_mapping_info,
+	.use_invalidate_semaphore = gmc_v11_0_use_invalidate_semaphore,
 	.get_vm_pde = gmc_v11_0_get_vm_pde,
 	.get_vm_pte = gmc_v11_0_get_vm_pte,
 	.get_vbios_fb_size = gmc_v11_0_get_vbios_fb_size,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
index 9179dc0787f13..889c0005fec3d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -583,6 +583,7 @@ static const struct amdgpu_gmc_funcs gmc_v12_0_gmc_funcs = {
 	.emit_flush_gpu_tlb = gmc_v12_0_emit_flush_gpu_tlb,
 	.emit_pasid_mapping = gmc_v12_0_emit_pasid_mapping,
 	.get_vmid_pasid_mapping_info = gmc_v12_0_get_vmid_pasid_mapping_info,
+	.use_invalidate_semaphore = gmc_v12_0_use_invalidate_semaphore,
 	.get_vm_pde = gmc_v12_0_get_vm_pde,
 	.get_vm_pte = gmc_v12_0_get_vm_pte,
 	.get_vbios_fb_size = gmc_v12_0_get_vbios_fb_size,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
index 3fa1ec3dca273..d6be7c092a22d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
@@ -669,6 +669,7 @@ static const struct amdgpu_gmc_funcs gmc_v12_1_gmc_funcs = {
 	.emit_flush_gpu_tlb = gmc_v12_1_emit_flush_gpu_tlb,
 	.emit_pasid_mapping = gmc_v12_1_emit_pasid_mapping,
 	.get_vmid_pasid_mapping_info = gmc_v12_1_get_vmid_pasid_mapping_info,
+	.use_invalidate_semaphore = gmc_v12_1_use_invalidate_semaphore,
 	.get_vm_pde = gmc_v12_1_get_vm_pde,
 	.get_vm_pte = gmc_v12_1_get_vm_pte,
 	.query_mem_partition_mode = &amdgpu_gmc_query_memory_partition,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 0019706b0b2a9..3c13a6920171a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1304,6 +1304,7 @@ static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
 	.emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb,
 	.emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping,
 	.get_vmid_pasid_mapping_info = gmc_v9_0_get_atc_vmid_pasid_mapping_info,
+	.use_invalidate_semaphore = gmc_v9_0_use_invalidate_semaphore,
 	.get_vm_pde = gmc_v9_0_get_vm_pde,
 	.get_vm_pte = gmc_v9_0_get_vm_pte,
 	.override_vm_pte_flags = gmc_v9_0_override_vm_pte_flags,
-- 
2.55.0