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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2020-05-12 12:18:21 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2020-05-12 12:18:21 -0700
commit0fdc50dfab47d525b71a9f0d8310746cdc0c09c5 (patch)
tree42f5f09f2c8677389136541815394b76fba07600 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parentInput: add driver for the Cypress CY8CTMA140 touchscreen (diff)
parentLinux 5.6 (diff)
downloadlinux-dev-0fdc50dfab47d525b71a9f0d8310746cdc0c09c5.tar.xz
linux-dev-0fdc50dfab47d525b71a9f0d8310746cdc0c09c5.zip
Merge tag 'v5.6' into next
Sync up with mainline to get device tree and other changes.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c47
1 files changed, 19 insertions, 28 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 2616e2eafdeb..c6e9885c071f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -41,6 +41,7 @@
#include <linux/swap.h>
#include <linux/swiotlb.h>
#include <linux/dma-buf.h>
+#include <linux/sizes.h>
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_bo_driver.h>
@@ -973,7 +974,7 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_tt *ttm)
/* Map SG to device */
r = -ENOMEM;
nents = dma_map_sg(adev->dev, ttm->sg->sgl, ttm->sg->nents, direction);
- if (nents != ttm->sg->nents)
+ if (nents == 0)
goto release_sg;
/* convert SG to linear array of pages and dma addresses */
@@ -1522,11 +1523,8 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
struct dma_fence *f;
int i;
- /* Don't evict VM page tables while they are busy, otherwise we can't
- * cleanly handle page faults.
- */
if (bo->type == ttm_bo_type_kernel &&
- !dma_resv_test_signaled_rcu(bo->base.resv, true))
+ !amdgpu_vm_evictable(ttm_to_amdgpu_bo(bo)))
return false;
/* If bo is a KFD BO, check if the bo belongs to the current process.
@@ -1717,12 +1715,17 @@ static int amdgpu_ttm_training_reserve_vram_fini(struct amdgpu_device *adev)
amdgpu_bo_free_kernel(&ctx->c2p_bo, NULL, NULL);
ctx->c2p_bo = NULL;
- amdgpu_bo_free_kernel(&ctx->p2c_bo, NULL, NULL);
- ctx->p2c_bo = NULL;
-
return 0;
}
+static u64 amdgpu_ttm_training_get_c2p_offset(u64 vram_size)
+{
+ if ((vram_size & (SZ_1M - 1)) < (SZ_4K + 1) )
+ vram_size -= SZ_1M;
+
+ return ALIGN(vram_size, SZ_1M);
+}
+
/**
* amdgpu_ttm_training_reserve_vram_init - create bo vram reservation from memory training
*
@@ -1741,7 +1744,7 @@ static int amdgpu_ttm_training_reserve_vram_init(struct amdgpu_device *adev)
return 0;
}
- ctx->c2p_train_data_offset = adev->fw_vram_usage.mem_train_fb_loc;
+ ctx->c2p_train_data_offset = amdgpu_ttm_training_get_c2p_offset(adev->gmc.mc_vram_size);
ctx->p2c_train_data_offset = (adev->gmc.mc_vram_size - GDDR6_MEM_TRAINING_OFFSET);
ctx->train_data_size = GDDR6_MEM_TRAINING_DATA_SIZE_IN_BYTES;
@@ -1751,17 +1754,6 @@ static int amdgpu_ttm_training_reserve_vram_init(struct amdgpu_device *adev)
ctx->c2p_train_data_offset);
ret = amdgpu_bo_create_kernel_at(adev,
- ctx->p2c_train_data_offset,
- ctx->train_data_size,
- AMDGPU_GEM_DOMAIN_VRAM,
- &ctx->p2c_bo,
- NULL);
- if (ret) {
- DRM_ERROR("alloc p2c_bo failed(%d)!\n", ret);
- goto Err_out;
- }
-
- ret = amdgpu_bo_create_kernel_at(adev,
ctx->c2p_train_data_offset,
ctx->train_data_size,
AMDGPU_GEM_DOMAIN_VRAM,
@@ -1769,15 +1761,12 @@ static int amdgpu_ttm_training_reserve_vram_init(struct amdgpu_device *adev)
NULL);
if (ret) {
DRM_ERROR("alloc c2p_bo failed(%d)!\n", ret);
- goto Err_out;
+ amdgpu_ttm_training_reserve_vram_fini(adev);
+ return ret;
}
ctx->init = PSP_MEM_TRAIN_RESERVE_SUCCESS;
return 0;
-
-Err_out:
- amdgpu_ttm_training_reserve_vram_fini(adev);
- return ret;
}
/**
@@ -1990,11 +1979,13 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
if (enable) {
struct amdgpu_ring *ring;
- struct drm_sched_rq *rq;
+ struct drm_gpu_scheduler *sched;
ring = adev->mman.buffer_funcs_ring;
- rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_KERNEL];
- r = drm_sched_entity_init(&adev->mman.entity, &rq, 1, NULL);
+ sched = &ring->sched;
+ r = drm_sched_entity_init(&adev->mman.entity,
+ DRM_SCHED_PRIORITY_KERNEL, &sched,
+ 1, NULL);
if (r) {
DRM_ERROR("Failed setting up TTM BO move entity (%d)\n",
r);