[PATCH 3/7] drm/amdgpu: unify VM size handling of Vega10 with older generation
Christian König
ckoenig.leichtzumerken at gmail.com
Mon Nov 27 16:02:13 UTC 2017
One function to rule them all.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 34 +++++++++++++---------------------
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 4 +---
drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 22 +++++-----------------
6 files changed, 22 insertions(+), 47 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 771995093cac..c942f6b4be1b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2574,43 +2574,35 @@ static uint32_t amdgpu_vm_get_block_size(uint64_t vm_size)
}
/**
- * amdgpu_vm_set_fragment_size - adjust fragment size in PTE
- *
- * @adev: amdgpu_device pointer
- * @fragment_size_default: the default fragment size if it's set auto
- */
-void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev,
- uint32_t fragment_size_default)
-{
- if (amdgpu_vm_fragment_size == -1)
- adev->vm_manager.fragment_size = fragment_size_default;
- else
- adev->vm_manager.fragment_size = amdgpu_vm_fragment_size;
-}
-
-/**
* amdgpu_vm_adjust_size - adjust vm size, block size and fragment size
*
* @adev: amdgpu_device pointer
* @vm_size: the default vm size if it's set auto
*/
void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t vm_size,
- uint32_t fragment_size_default)
+ uint32_t fragment_size_default, unsigned max_level)
{
- /* adjust vm size firstly */
- if (amdgpu_vm_size != -1)
+ /* adjust vm size first, but only for two level setups for now */
+ if (amdgpu_vm_size != -1 && max_level == 1)
vm_size = amdgpu_vm_size;
adev->vm_manager.max_pfn = (uint64_t)vm_size << 18;
+ adev->vm_manager.num_level = max_level;
- /* block size depends on vm size */
- if (amdgpu_vm_block_size == -1)
+ /* block size depends on vm size and hw setup*/
+ if (adev->vm_manager.num_level > 1)
+ /* Use fixed block_size for multi level page tables */
+ adev->vm_manager.block_size = 9;
+ else if (amdgpu_vm_block_size == -1)
adev->vm_manager.block_size =
amdgpu_vm_get_block_size(vm_size);
else
adev->vm_manager.block_size = amdgpu_vm_block_size;
- amdgpu_vm_set_fragment_size(adev, fragment_size_default);
+ if (amdgpu_vm_fragment_size == -1)
+ adev->vm_manager.fragment_size = fragment_size_default;
+ else
+ adev->vm_manager.fragment_size = amdgpu_vm_fragment_size;
DRM_INFO("vm size is %u GB, block size is %u-bit, fragment size is %u-bit\n",
vm_size, adev->vm_manager.block_size,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index c80d45dd2bd3..54e540d5e8d7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -324,10 +324,8 @@ struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm,
uint64_t addr);
void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
struct amdgpu_bo_va *bo_va);
-void amdgpu_vm_set_fragment_size(struct amdgpu_device *adev,
- uint32_t fragment_size_default);
void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t vm_size,
- uint32_t fragment_size_default);
+ uint32_t fragment_size_default, unsigned max_level);
int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring,
struct amdgpu_job *job);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index 6098c773711f..49224bf38324 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -832,7 +832,7 @@ static int gmc_v6_0_sw_init(void *handle)
if (r)
return r;
- amdgpu_vm_adjust_size(adev, 64, 9);
+ amdgpu_vm_adjust_size(adev, 64, 9, 1);
adev->mc.mc_mask = 0xffffffffffULL;
@@ -877,7 +877,6 @@ static int gmc_v6_0_sw_init(void *handle)
* 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 */
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 8b460e9d4431..c39cf8440afd 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -971,7 +971,7 @@ static int gmc_v7_0_sw_init(void *handle)
* Currently set to 4GB ((1 << 20) 4k pages).
* Max GPUVM size for cayman and SI is 40 bits.
*/
- amdgpu_vm_adjust_size(adev, 64, 9);
+ amdgpu_vm_adjust_size(adev, 64, 9, 1);
/* Set the internal MC address mask
* This is the max address of the GPU's
@@ -1026,7 +1026,6 @@ static int gmc_v7_0_sw_init(void *handle)
* 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 */
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 1fd7f9daab0a..421e751a0464 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1068,7 +1068,7 @@ static int gmc_v8_0_sw_init(void *handle)
* Currently set to 4GB ((1 << 20) 4k pages).
* Max GPUVM size for cayman and SI is 40 bits.
*/
- amdgpu_vm_adjust_size(adev, 64, 9);
+ amdgpu_vm_adjust_size(adev, 64, 9, 1);
/* Set the internal MC address mask
* This is the max address of the GPU's
@@ -1123,7 +1123,6 @@ static int gmc_v8_0_sw_init(void *handle)
* 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 */
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 30eb625a991c..729e4d591293 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -769,16 +769,11 @@ static int gmc_v9_0_sw_init(void *handle)
switch (adev->asic_type) {
case CHIP_RAVEN:
adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
- if (adev->rev_id == 0x0 || adev->rev_id == 0x1) {
- adev->vm_manager.max_pfn = 1ULL << 36;
- adev->vm_manager.block_size = 9;
- adev->vm_manager.num_level = 3;
- amdgpu_vm_set_fragment_size(adev, 9);
- } else {
+ if (adev->rev_id == 0x0 || adev->rev_id == 0x1)
+ amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3);
+ else
/* vm_size is 64GB for legacy 2-level page support */
- amdgpu_vm_adjust_size(adev, 64, 9);
- adev->vm_manager.num_level = 1;
- }
+ amdgpu_vm_adjust_size(adev, 64, 9, 1);
break;
case CHIP_VEGA10:
/* XXX Don't know how to get VRAM type yet. */
@@ -788,19 +783,12 @@ static int gmc_v9_0_sw_init(void *handle)
* vm size is 256TB (48bit), maximum size of Vega10,
* block size 512 (9bit)
*/
- adev->vm_manager.max_pfn = 1ULL << 36;
- adev->vm_manager.block_size = 9;
- adev->vm_manager.num_level = 3;
- amdgpu_vm_set_fragment_size(adev, 9);
+ amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3);
break;
default:
break;
}
- DRM_INFO("vm size is %llu GB, block size is %u-bit, fragment size is %u-bit\n",
- adev->vm_manager.max_pfn >> 18, adev->vm_manager.block_size,
- adev->vm_manager.fragment_size);
-
/* This interrupt is VMC page fault.*/
r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VMC, 0,
&adev->mc.vm_fault);
--
2.11.0
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