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From 2815d17d35ed33038c49e3088ccea944a281ffce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 22 Aug 2018 12:22:14 +0200
Subject: [PATCH 0185/2940] drm/amdgpu: add amdgpu_gmc_pd_addr helper
Add a helper to get the root PD address and remove the workarounds from
the GMC9 code for that.
Change-Id: I64bbd27d52938da78b38390b98febb473c08fba1
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 47 ++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 2 +
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 7 +---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 4 --
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 7 +---
8 files changed, 54 insertions(+), 19 deletions(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index cf5c7ed1ac37..c1d23e50b764 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -52,7 +52,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \
amdgpu_ucode.o amdgpu_bo_list.o amdgpu_ctx.o amdgpu_sync.o \
amdgpu_gtt_mgr.o amdgpu_vram_mgr.o amdgpu_virt.o amdgpu_atomfirmware.o \
amdgpu_vf_error.o amdgpu_sched.o amdgpu_debugfs.o amdgpu_ids.o \
- amdgpu_sem.o
+ amdgpu_sem.o amdgpu_gmc.o
# add asic specific block
amdgpu-$(CONFIG_DRM_AMDGPU_CIK)+= cik.o cik_ih.o kv_smc.o kv_dpm.o \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index e676f41745ad..3c1443d7fb84 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -954,7 +954,7 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
if (r)
return r;
- p->job->vm_pd_addr = amdgpu_bo_gpu_offset(vm->root.base.bo);
+ p->job->vm_pd_addr = amdgpu_gmc_pd_addr(vm->root.base.bo);
if (amdgpu_vm_debug) {
/* Invalidate all BOs to test for userspace bugs */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
new file mode 100644
index 000000000000..36058feac64f
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ */
+
+#include "amdgpu.h"
+
+/**
+ * amdgpu_gmc_pd_addr - return the address of the root directory
+ *
+ */
+uint64_t amdgpu_gmc_pd_addr(struct amdgpu_bo *bo)
+{
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ uint64_t pd_addr;
+
+ pd_addr = amdgpu_bo_gpu_offset(bo);
+ /* TODO: move that into ASIC specific code */
+ if (adev->asic_type >= CHIP_VEGA10) {
+ uint64_t flags = AMDGPU_PTE_VALID;
+
+ amdgpu_gmc_get_vm_pde(adev, -1, &pd_addr, &flags);
+ pd_addr |= flags;
+ }
+ return pd_addr;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index d8fa76c712d4..f2194d565c65 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -133,4 +133,6 @@ static inline bool amdgpu_gmc_vram_full_visible(struct amdgpu_gmc *gmc)
return (gmc->real_vram_size == gmc->visible_vram_size);
}
+uint64_t amdgpu_gmc_pd_addr(struct amdgpu_bo *bo);
+
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index fcbd30e598d7..741360a4bbf3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2261,7 +2261,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
return r;
if (vm_needs_flush) {
- job->vm_pd_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
+ job->vm_pd_addr = amdgpu_gmc_pd_addr(adev->gart.bo);
job->vm_needs_flush = true;
}
if (resv) {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 2baab7e69ef5..3403ded39d13 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -37,12 +37,7 @@ u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev)
static void gfxhub_v1_0_init_gart_pt_regs(struct amdgpu_device *adev)
{
- uint64_t value = amdgpu_bo_gpu_offset(adev->gart.bo);
-
- BUG_ON(value & (~0x0000FFFFFFFFF000ULL));
- value -= adev->gmc.vram_start + adev->vm_manager.vram_base_offset;
- value &= 0x0000FFFFFFFFF000ULL;
- value |= 0x1; /*valid bit*/
+ uint64_t value = amdgpu_gmc_pd_addr(adev->gart.bo);
WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
lower_32_bits(value));
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index dc48e19d01f8..a82b3eb429e8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -429,12 +429,8 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
struct amdgpu_device *adev = ring->adev;
struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub];
uint32_t req = gmc_v9_0_get_invalidate_req(vmid);
- uint64_t flags = AMDGPU_PTE_VALID;
unsigned eng = ring->vm_inv_eng;
- amdgpu_gmc_get_vm_pde(adev, -1, &pd_addr, &flags);
- pd_addr |= flags;
-
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + (2 * vmid),
lower_32_bits(pd_addr));
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 800ec4687f13..5f6a9c85488f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -47,12 +47,7 @@ u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
static void mmhub_v1_0_init_gart_pt_regs(struct amdgpu_device *adev)
{
- uint64_t value = amdgpu_bo_gpu_offset(adev->gart.bo);
-
- BUG_ON(value & (~0x0000FFFFFFFFF000ULL));
- value -= adev->gmc.vram_start + adev->vm_manager.vram_base_offset;
- value &= 0x0000FFFFFFFFF000ULL;
- value |= 0x1; /* valid bit */
+ uint64_t value = amdgpu_gmc_pd_addr(adev->gart.bo);
WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
lower_32_bits(value));
--
2.17.1
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