[PATCH] drm/amdgpu: cleanup VM manager init/fini
Christian König
deathsimple at vodafone.de
Thu May 11 14:22:20 UTC 2017
From: Christian König <christian.koenig at amd.com>
VM is mandatory for all hw amdgpu supports. So remove the leftovers
to make it optionally.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 3 --
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 -
drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 59 ++++++++----------------
drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 82 ++++++++-------------------------
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 82 ++++++++-------------------------
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 80 ++++++++------------------------
6 files changed, 78 insertions(+), 230 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 6778ea5..c8b037a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -571,9 +571,6 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
uint64_t va_flags;
int r = 0;
- if (!adev->vm_manager.enabled)
- return -ENOTTY;
-
if (args->va_address < AMDGPU_VA_RESERVED_SIZE) {
dev_err(&dev->pdev->dev,
"va_address 0x%lX is in reserved area 0x%X\n",
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 27546df..afe9073 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -173,8 +173,6 @@ struct amdgpu_vm_manager {
uint32_t block_size;
/* vram base address for page table entry */
u64 vram_base_offset;
- /* is vm enabled? */
- bool enabled;
/* vm pte handling */
const struct amdgpu_vm_pte_funcs *vm_pte_funcs;
struct amdgpu_ring *vm_pte_rings[AMDGPU_MAX_RINGS];
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index d860939..1e6263a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -614,33 +614,6 @@ static void gmc_v6_0_gart_fini(struct amdgpu_device *adev)
amdgpu_gart_fini(adev);
}
-static int gmc_v6_0_vm_init(struct amdgpu_device *adev)
-{
- /*
- * number of VMs
- * VMID 0 is reserved for System
- * amdgpu graphics/compute will use VMIDs 1-7
- * amdkfd will use VMIDs 8-15
- */
- adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
- adev->vm_manager.num_level = 1;
- amdgpu_vm_manager_init(adev);
-
- /* base offset of vram pages */
- if (adev->flags & AMD_IS_APU) {
- u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
- tmp <<= 22;
- adev->vm_manager.vram_base_offset = tmp;
- } else
- adev->vm_manager.vram_base_offset = 0;
-
- return 0;
-}
-
-static void gmc_v6_0_vm_fini(struct amdgpu_device *adev)
-{
-}
-
static void gmc_v6_0_vm_decode_fault(struct amdgpu_device *adev,
u32 status, u32 addr, u32 mc_client)
{
@@ -887,26 +860,34 @@ static int gmc_v6_0_sw_init(void *handle)
if (r)
return r;
- if (!adev->vm_manager.enabled) {
- r = gmc_v6_0_vm_init(adev);
- if (r) {
- dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
- return r;
- }
- adev->vm_manager.enabled = true;
+ /*
+ * number of VMs
+ * VMID 0 is reserved for System
+ * amdgpu graphics/compute will use VMIDs 1-7
+ * amdkfd will use VMIDs 8-15
+ */
+ adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
+ adev->vm_manager.num_level = 1;
+ amdgpu_vm_manager_init(adev);
+
+ /* base offset of vram pages */
+ if (adev->flags & AMD_IS_APU) {
+ u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
+
+ tmp <<= 22;
+ adev->vm_manager.vram_base_offset = tmp;
+ } else {
+ adev->vm_manager.vram_base_offset = 0;
}
- return r;
+ return 0;
}
static int gmc_v6_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- if (adev->vm_manager.enabled) {
- gmc_v6_0_vm_fini(adev);
- adev->vm_manager.enabled = false;
- }
+ amdgpu_vm_manager_fini(adev);
gmc_v6_0_gart_fini(adev);
amdgpu_gem_force_release(adev);
amdgpu_bo_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 2750e5c..967505b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -724,55 +724,6 @@ static void gmc_v7_0_gart_fini(struct amdgpu_device *adev)
amdgpu_gart_fini(adev);
}
-/*
- * vm
- * VMID 0 is the physical GPU addresses as used by the kernel.
- * VMIDs 1-15 are used for userspace clients and are handled
- * by the amdgpu vm/hsa code.
- */
-/**
- * gmc_v7_0_vm_init - cik vm init callback
- *
- * @adev: amdgpu_device pointer
- *
- * Inits cik specific vm parameters (number of VMs, base of vram for
- * VMIDs 1-15) (CIK).
- * Returns 0 for success.
- */
-static int gmc_v7_0_vm_init(struct amdgpu_device *adev)
-{
- /*
- * number of VMs
- * VMID 0 is reserved for System
- * amdgpu graphics/compute will use VMIDs 1-7
- * amdkfd will use VMIDs 8-15
- */
- adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
- adev->vm_manager.num_level = 1;
- amdgpu_vm_manager_init(adev);
-
- /* base offset of vram pages */
- if (adev->flags & AMD_IS_APU) {
- u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
- tmp <<= 22;
- adev->vm_manager.vram_base_offset = tmp;
- } else
- adev->vm_manager.vram_base_offset = 0;
-
- return 0;
-}
-
-/**
- * gmc_v7_0_vm_fini - cik vm fini callback
- *
- * @adev: amdgpu_device pointer
- *
- * Tear down any asic specific VM setup (CIK).
- */
-static void gmc_v7_0_vm_fini(struct amdgpu_device *adev)
-{
-}
-
/**
* gmc_v7_0_vm_decode_fault - print human readable fault info
*
@@ -1051,27 +1002,34 @@ static int gmc_v7_0_sw_init(void *handle)
if (r)
return r;
- if (!adev->vm_manager.enabled) {
- r = gmc_v7_0_vm_init(adev);
- if (r) {
- dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
- return r;
- }
- adev->vm_manager.enabled = true;
+ /*
+ * number of VMs
+ * VMID 0 is reserved for System
+ * amdgpu graphics/compute will use VMIDs 1-7
+ * amdkfd will use VMIDs 8-15
+ */
+ adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
+ adev->vm_manager.num_level = 1;
+ amdgpu_vm_manager_init(adev);
+
+ /* base offset of vram pages */
+ if (adev->flags & AMD_IS_APU) {
+ u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
+
+ tmp <<= 22;
+ adev->vm_manager.vram_base_offset = tmp;
+ } else {
+ adev->vm_manager.vram_base_offset = 0;
}
- return r;
+ return 0;
}
static int gmc_v7_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- if (adev->vm_manager.enabled) {
- amdgpu_vm_manager_fini(adev);
- gmc_v7_0_vm_fini(adev);
- adev->vm_manager.enabled = false;
- }
+ amdgpu_vm_manager_fini(adev);
gmc_v7_0_gart_fini(adev);
amdgpu_gem_force_release(adev);
amdgpu_bo_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index f56b408..3b5ea0f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -927,55 +927,6 @@ static void gmc_v8_0_gart_fini(struct amdgpu_device *adev)
amdgpu_gart_fini(adev);
}
-/*
- * vm
- * VMID 0 is the physical GPU addresses as used by the kernel.
- * VMIDs 1-15 are used for userspace clients and are handled
- * by the amdgpu vm/hsa code.
- */
-/**
- * gmc_v8_0_vm_init - cik vm init callback
- *
- * @adev: amdgpu_device pointer
- *
- * Inits cik specific vm parameters (number of VMs, base of vram for
- * VMIDs 1-15) (CIK).
- * Returns 0 for success.
- */
-static int gmc_v8_0_vm_init(struct amdgpu_device *adev)
-{
- /*
- * number of VMs
- * VMID 0 is reserved for System
- * amdgpu graphics/compute will use VMIDs 1-7
- * amdkfd will use VMIDs 8-15
- */
- adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
- adev->vm_manager.num_level = 1;
- amdgpu_vm_manager_init(adev);
-
- /* base offset of vram pages */
- if (adev->flags & AMD_IS_APU) {
- u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
- tmp <<= 22;
- adev->vm_manager.vram_base_offset = tmp;
- } else
- adev->vm_manager.vram_base_offset = 0;
-
- return 0;
-}
-
-/**
- * gmc_v8_0_vm_fini - cik vm fini callback
- *
- * @adev: amdgpu_device pointer
- *
- * Tear down any asic specific VM setup (CIK).
- */
-static void gmc_v8_0_vm_fini(struct amdgpu_device *adev)
-{
-}
-
/**
* gmc_v8_0_vm_decode_fault - print human readable fault info
*
@@ -1135,27 +1086,34 @@ static int gmc_v8_0_sw_init(void *handle)
if (r)
return r;
- if (!adev->vm_manager.enabled) {
- r = gmc_v8_0_vm_init(adev);
- if (r) {
- dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
- return r;
- }
- adev->vm_manager.enabled = true;
+ /*
+ * number of VMs
+ * VMID 0 is reserved for System
+ * amdgpu graphics/compute will use VMIDs 1-7
+ * amdkfd will use VMIDs 8-15
+ */
+ adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
+ adev->vm_manager.num_level = 1;
+ amdgpu_vm_manager_init(adev);
+
+ /* base offset of vram pages */
+ if (adev->flags & AMD_IS_APU) {
+ u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
+
+ tmp <<= 22;
+ adev->vm_manager.vram_base_offset = tmp;
+ } else {
+ adev->vm_manager.vram_base_offset = 0;
}
- return r;
+ return 0;
}
static int gmc_v8_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- if (adev->vm_manager.enabled) {
- amdgpu_vm_manager_fini(adev);
- gmc_v8_0_vm_fini(adev);
- adev->vm_manager.enabled = false;
- }
+ amdgpu_vm_manager_fini(adev);
gmc_v8_0_gart_fini(adev);
amdgpu_gem_force_release(adev);
amdgpu_bo_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 1bc8292..19e1027 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -524,54 +524,6 @@ static int gmc_v9_0_gart_init(struct amdgpu_device *adev)
return amdgpu_gart_table_vram_alloc(adev);
}
-/*
- * vm
- * VMID 0 is the physical GPU addresses as used by the kernel.
- * VMIDs 1-15 are used for userspace clients and are handled
- * by the amdgpu vm/hsa code.
- */
-/**
- * gmc_v9_0_vm_init - vm init callback
- *
- * @adev: amdgpu_device pointer
- *
- * Inits vega10 specific vm parameters (number of VMs, base of vram for
- * VMIDs 1-15) (vega10).
- * Returns 0 for success.
- */
-static int gmc_v9_0_vm_init(struct amdgpu_device *adev)
-{
- /*
- * number of VMs
- * VMID 0 is reserved for System
- * amdgpu graphics/compute will use VMIDs 1-7
- * amdkfd will use VMIDs 8-15
- */
- adev->vm_manager.id_mgr[AMDGPU_GFXHUB].num_ids = AMDGPU_NUM_OF_VMIDS;
- adev->vm_manager.id_mgr[AMDGPU_MMHUB].num_ids = AMDGPU_NUM_OF_VMIDS;
-
- /* TODO: fix num_level for APU when updating vm size and block size */
- if (adev->flags & AMD_IS_APU)
- adev->vm_manager.num_level = 1;
- else
- adev->vm_manager.num_level = 3;
- amdgpu_vm_manager_init(adev);
-
- return 0;
-}
-
-/**
- * gmc_v9_0_vm_fini - vm fini callback
- *
- * @adev: amdgpu_device pointer
- *
- * Tear down any asic specific VM setup.
- */
-static void gmc_v9_0_vm_fini(struct amdgpu_device *adev)
-{
- return;
-}
-
static int gmc_v9_0_sw_init(void *handle)
{
int r;
@@ -647,15 +599,23 @@ static int gmc_v9_0_sw_init(void *handle)
if (r)
return r;
- if (!adev->vm_manager.enabled) {
- r = gmc_v9_0_vm_init(adev);
- if (r) {
- dev_err(adev->dev, "vm manager initialization failed (%d).\n", r);
- return r;
- }
- adev->vm_manager.enabled = true;
- }
- return r;
+ /*
+ * number of VMs
+ * VMID 0 is reserved for System
+ * amdgpu graphics/compute will use VMIDs 1-7
+ * amdkfd will use VMIDs 8-15
+ */
+ adev->vm_manager.id_mgr[AMDGPU_GFXHUB].num_ids = AMDGPU_NUM_OF_VMIDS;
+ adev->vm_manager.id_mgr[AMDGPU_MMHUB].num_ids = AMDGPU_NUM_OF_VMIDS;
+
+ /* TODO: fix num_level for APU when updating vm size and block size */
+ if (adev->flags & AMD_IS_APU)
+ adev->vm_manager.num_level = 1;
+ else
+ adev->vm_manager.num_level = 3;
+ amdgpu_vm_manager_init(adev);
+
+ return 0;
}
/**
@@ -675,11 +635,7 @@ static int gmc_v9_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- if (adev->vm_manager.enabled) {
- amdgpu_vm_manager_fini(adev);
- gmc_v9_0_vm_fini(adev);
- adev->vm_manager.enabled = false;
- }
+ amdgpu_vm_manager_fini(adev);
gmc_v9_0_gart_fini(adev);
amdgpu_gem_force_release(adev);
amdgpu_bo_fini(adev);
--
2.7.4
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