[PATCH 19/28] drm/amdgpu: add bitmask to iterate vmhubs
Alex Deucher
alexander.deucher at amd.com
Mon Mar 27 19:35:53 UTC 2023
From: Le Ma <le.ma at amd.com>
As the layout of VMHUB definition has been changed to cover multiple
XCD/AID case, the original num_vmhubs is not appropriate to do vmhub
iteration any more.
Drop num_vmhubs and introduce vmhubs_mask instead.
v2: switch to the new VMHUB layout
v3: use DECLARE_BITMAP to define vmhubs_mask
Signed-off-by: Le Ma <le.ma at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 4 ++--
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 5 +++--
drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 5 +++--
drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 21 ++++++++++++---------
9 files changed, 25 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 7c3288a1aa70..81b437fa7b9c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -850,7 +850,7 @@ struct amdgpu_device {
dma_addr_t dummy_page_addr;
struct amdgpu_vm_manager vm_manager;
struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
- unsigned num_vmhubs;
+ DECLARE_BITMAP(vmhubs_mask, AMDGPU_MAX_VMHUBS);
/* memory management */
struct amdgpu_mman mman;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index a7afe1fb8881..90d872356edc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -732,7 +732,7 @@ int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct amdgpu_device *adev,
if (adev->family == AMDGPU_FAMILY_AI) {
int i;
- for (i = 0; i < adev->num_vmhubs; i++)
+ for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS)
amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0);
} else {
amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0), 0);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 01cb89ffbd56..6b12f4a75fc3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -182,7 +182,7 @@ void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
}
mb();
amdgpu_device_flush_hdp(adev, NULL);
- for (i = 0; i < adev->num_vmhubs; i++)
+ for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS)
amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0);
drm_dev_exit(idx);
@@ -264,7 +264,7 @@ void amdgpu_gart_invalidate_tlb(struct amdgpu_device *adev)
mb();
amdgpu_device_flush_hdp(adev, NULL);
- for (i = 0; i < adev->num_vmhubs; i++)
+ for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS)
amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index a3ac887f36ab..503b4ff13fa4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -460,7 +460,7 @@ static int gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
&queried_pasid);
if (ret && queried_pasid == pasid) {
if (all_hub) {
- for (i = 0; i < adev->num_vmhubs; i++)
+ for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS)
gmc_v10_0_flush_gpu_tlb(adev, vmid,
i, flush_type);
} else {
@@ -928,7 +928,8 @@ static int gmc_v10_0_sw_init(void *handle)
case IP_VERSION(10, 3, 6):
case IP_VERSION(10, 3, 3):
case IP_VERSION(10, 3, 7):
- adev->num_vmhubs = 2;
+ set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
+ set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
/*
* To fulfill 4-level page support,
* vm size is 256TB (48bit), maximum size of Navi10/Navi14/Navi12,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index 37bc272bcf98..d5a0f16cddba 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -362,7 +362,7 @@ static int gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
&queried_pasid);
if (ret && queried_pasid == pasid) {
if (all_hub) {
- for (i = 0; i < adev->num_vmhubs; i++)
+ for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS)
gmc_v11_0_flush_gpu_tlb(adev, vmid,
i, flush_type);
} else {
@@ -760,7 +760,8 @@ static int gmc_v11_0_sw_init(void *handle)
case IP_VERSION(11, 0, 2):
case IP_VERSION(11, 0, 3):
case IP_VERSION(11, 0, 4):
- adev->num_vmhubs = 2;
+ set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
+ set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
/*
* To fulfill 4-level page support,
* vm size is 256TB (48bit), maximum size,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index b7dad4e67813..aa754c95a0b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -808,7 +808,7 @@ static int gmc_v6_0_sw_init(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- adev->num_vmhubs = 1;
+ set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
if (adev->flags & AMD_IS_APU) {
adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 402960b0174e..81609a2b226f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -977,7 +977,7 @@ static int gmc_v7_0_sw_init(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- adev->num_vmhubs = 1;
+ set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
if (adev->flags & AMD_IS_APU) {
adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 504c1b34dab7..d48e33738a88 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1093,7 +1093,7 @@ static int gmc_v8_0_sw_init(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- adev->num_vmhubs = 1;
+ set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
if (adev->flags & AMD_IS_APU) {
adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 6d13d42a125f..ce9ae3a5a9c5 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -481,7 +481,7 @@ static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
switch (state) {
case AMDGPU_IRQ_STATE_DISABLE:
- for (j = 0; j < adev->num_vmhubs; j++) {
+ for_each_set_bit(j, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) {
hub = &adev->vmhub[j];
for (i = 0; i < 16; i++) {
reg = hub->vm_context0_cntl + i;
@@ -509,7 +509,7 @@ static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
}
break;
case AMDGPU_IRQ_STATE_ENABLE:
- for (j = 0; j < adev->num_vmhubs; j++) {
+ for_each_set_bit(j, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) {
hub = &adev->vmhub[j];
for (i = 0; i < 16; i++) {
reg = hub->vm_context0_cntl + i;
@@ -786,7 +786,7 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
u32 j, inv_req, inv_req2, tmp;
struct amdgpu_vmhub *hub;
- BUG_ON(vmhub >= adev->num_vmhubs);
+ BUG_ON(vmhub >= AMDGPU_MAX_VMHUBS);
hub = &adev->vmhub[vmhub];
if (adev->gmc.xgmi.num_physical_nodes &&
@@ -970,7 +970,7 @@ static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
&queried_pasid);
if (ret && queried_pasid == pasid) {
if (all_hub) {
- for (i = 0; i < adev->num_vmhubs; i++)
+ for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS)
gmc_v9_0_flush_gpu_tlb(adev, vmid,
i, flush_type);
} else {
@@ -1667,7 +1667,8 @@ static int gmc_v9_0_sw_init(void *handle)
switch (adev->ip_versions[GC_HWIP][0]) {
case IP_VERSION(9, 1, 0):
case IP_VERSION(9, 2, 2):
- adev->num_vmhubs = 2;
+ set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
+ set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
if (adev->rev_id == 0x0 || adev->rev_id == 0x1) {
amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
@@ -1684,8 +1685,8 @@ static int gmc_v9_0_sw_init(void *handle)
case IP_VERSION(9, 3, 0):
case IP_VERSION(9, 4, 2):
case IP_VERSION(9, 4, 3):
- adev->num_vmhubs = 2;
-
+ set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
+ set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
/*
* To fulfill 4-level page support,
@@ -1701,7 +1702,9 @@ static int gmc_v9_0_sw_init(void *handle)
adev->gmc.translate_further = adev->vm_manager.num_level > 1;
break;
case IP_VERSION(9, 4, 1):
- adev->num_vmhubs = 3;
+ set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
+ set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
+ set_bit(AMDGPU_MMHUB1(0), adev->vmhubs_mask);
/* Keep the vm size same with Vega20 */
amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
@@ -1927,7 +1930,7 @@ static int gmc_v9_0_hw_init(void *handle)
adev->gfxhub.funcs->set_fault_enable_default(adev, value);
adev->mmhub.funcs->set_fault_enable_default(adev, value);
}
- for (i = 0; i < adev->num_vmhubs; ++i) {
+ for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) {
if (adev->in_s0ix && (i == AMDGPU_GFXHUB(0)))
continue;
gmc_v9_0_flush_gpu_tlb(adev, 0, i, 0);
--
2.39.2
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