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From 9766e1c28d17fc61aa387e6221e57fd13991df0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 23 Nov 2017 12:57:18 +0100
Subject: [PATCH 2797/4131] drm/amdgpu: move validation of the VM size into the
VM code
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This moves validation of the VM size parameter into amdgpu_vm_adjust_size().
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 16 +---------------
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 13 +++++++++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 ++-
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 | 6 +++---
7 files changed, 20 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 8aae933..020d7c4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1115,22 +1115,8 @@ static void amdgpu_check_vm_size(struct amdgpu_device *adev)
if (amdgpu_vm_size < 1) {
dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n",
amdgpu_vm_size);
- goto def_value;
+ amdgpu_vm_size = -1;
}
-
- /*
- * Max GPUVM size for Cayman, SI, CI VI are 40 bits.
- */
- if (amdgpu_vm_size > 1024) {
- dev_warn(adev->dev, "VM size (%d) too large, max is 1TB\n",
- amdgpu_vm_size);
- goto def_value;
- }
-
- return;
-
-def_value:
- amdgpu_vm_size = -1;
}
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 1b13d997..3fe455c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2617,13 +2617,22 @@ static uint32_t amdgpu_vm_get_block_size(uint64_t vm_size)
* @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, unsigned max_level)
+ uint32_t fragment_size_default, unsigned max_level,
+ unsigned max_bits)
{
uint64_t tmp;
/* adjust vm size first */
- if (amdgpu_vm_size != -1)
+ if (amdgpu_vm_size != -1) {
+ unsigned max_size = 1 << (max_bits - 30);
+
vm_size = amdgpu_vm_size;
+ if (vm_size > max_size) {
+ dev_warn(adev->dev, "VM size (%d) too large, max is %u GB\n",
+ amdgpu_vm_size, max_size);
+ vm_size = max_size;
+ }
+ }
adev->vm_manager.max_pfn = (uint64_t)vm_size << 18;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 7ad0b30..693f13f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -330,7 +330,8 @@ struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm,
void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
struct amdgpu_bo_va *bo_va);
void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t vm_size,
- uint32_t fragment_size_default, unsigned max_level);
+ uint32_t fragment_size_default, unsigned max_level,
+ unsigned max_bits);
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 5f5a593..daf46e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -826,7 +826,7 @@ static int gmc_v6_0_sw_init(void *handle)
if (r)
return r;
- amdgpu_vm_adjust_size(adev, 64, 9, 1);
+ amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
adev->mc.mc_mask = 0xffffffffffULL;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 810f484..3c78948 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -967,7 +967,7 @@ 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, 1);
+ amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
/* Set the internal MC address mask
* This is the max address of the GPU's
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 4c7e517..5e8a796 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, 1);
+ amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
/* Set the internal MC address mask
* This is the max address of the GPU's
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 57e71c6..cbca5cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -767,10 +767,10 @@ static int gmc_v9_0_sw_init(void *handle)
case CHIP_RAVEN:
adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
if (adev->rev_id == 0x0 || adev->rev_id == 0x1)
- amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3);
+ amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
else
/* vm_size is 64GB for legacy 2-level page support */
- amdgpu_vm_adjust_size(adev, 64, 9, 1);
+ amdgpu_vm_adjust_size(adev, 64, 9, 1, 48);
break;
case CHIP_VEGA10:
/* XXX Don't know how to get VRAM type yet. */
@@ -780,7 +780,7 @@ static int gmc_v9_0_sw_init(void *handle)
* vm size is 256TB (48bit), maximum size of Vega10,
* block size 512 (9bit)
*/
- amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3);
+ amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
break;
default:
break;
--
2.7.4
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