[PATCH 2/4] drm/amdgpu: UVD avoid memory allocation during IB test
xinhui pan
xinhui.pan at amd.com
Fri Sep 10 00:38:26 UTC 2021
move BO allocation in sw_init.
Signed-off-by: xinhui pan <xinhui.pan at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 75 +++++++++++++++----------
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h | 1 +
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 8 +--
drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 8 +--
4 files changed, 49 insertions(+), 43 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index d451c359606a..e2eaac941d37 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -141,6 +141,8 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
const char *fw_name;
const struct common_firmware_header *hdr;
unsigned family_id;
+ struct amdgpu_bo *bo = NULL;
+ void *addr;
int i, j, r;
INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
@@ -298,9 +300,34 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
adev->uvd.filp[i] = NULL;
}
+ r = amdgpu_bo_create_reserved(adev, 128 << 10, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_GTT,
+ &bo, NULL, &addr);
+ if (r)
+ return r;
+
/* from uvd v5.0 HW addressing capacity increased to 64 bits */
- if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
+ if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0)) {
adev->uvd.address_64_bit = true;
+ amdgpu_bo_kunmap(bo);
+ amdgpu_bo_unpin(bo);
+ r = amdgpu_bo_pin_restricted(bo, AMDGPU_GEM_DOMAIN_VRAM,
+ 0, 256 << 20);
+ if (r) {
+ amdgpu_bo_unreserve(bo);
+ amdgpu_bo_unref(&bo);
+ return r;
+ }
+ r = amdgpu_bo_kmap(bo, &addr);
+ if (r) {
+ amdgpu_bo_unpin(bo);
+ amdgpu_bo_unreserve(bo);
+ amdgpu_bo_unref(&bo);
+ return r;
+ }
+ }
+ adev->uvd.ib_bo = bo;
+ amdgpu_bo_unreserve(bo);
switch (adev->asic_type) {
case CHIP_TONGA:
@@ -342,6 +369,7 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
}
+ amdgpu_bo_free_kernel(&adev->uvd.ib_bo, NULL, NULL);
release_firmware(adev->uvd.fw);
return 0;
@@ -1080,23 +1108,10 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
unsigned offset_idx = 0;
unsigned offset[3] = { UVD_BASE_SI, 0, 0 };
- amdgpu_bo_kunmap(bo);
- amdgpu_bo_unpin(bo);
-
- if (!ring->adev->uvd.address_64_bit) {
- struct ttm_operation_ctx ctx = { true, false };
-
- amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
- amdgpu_uvd_force_into_uvd_segment(bo);
- r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
- if (r)
- goto err;
- }
-
r = amdgpu_job_alloc_with_ib(adev, 64, direct ? AMDGPU_IB_POOL_DIRECT :
AMDGPU_IB_POOL_DELAYED, &job);
if (r)
- goto err;
+ return r;
if (adev->asic_type >= CHIP_VEGA10) {
offset_idx = 1 + ring->me;
@@ -1148,8 +1163,6 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
}
amdgpu_bo_fence(bo, f, false);
- amdgpu_bo_unreserve(bo);
- amdgpu_bo_unref(&bo);
if (fence)
*fence = dma_fence_get(f);
@@ -1159,10 +1172,6 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
err_free:
amdgpu_job_free(job);
-
-err:
- amdgpu_bo_unreserve(bo);
- amdgpu_bo_unref(&bo);
return r;
}
@@ -1173,16 +1182,15 @@ int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
struct dma_fence **fence)
{
struct amdgpu_device *adev = ring->adev;
- struct amdgpu_bo *bo = NULL;
+ struct amdgpu_bo *bo = adev->uvd.ib_bo;
uint32_t *msg;
int r, i;
- r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_GTT,
- &bo, NULL, (void **)&msg);
+ r = ttm_bo_reserve(&bo->tbo, true, true, NULL);
if (r)
return r;
+ msg = amdgpu_bo_kptr(bo);
/* stitch together an UVD create msg */
msg[0] = cpu_to_le32(0x00000de4);
msg[1] = cpu_to_le32(0x00000000);
@@ -1198,23 +1206,25 @@ int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
for (i = 11; i < 1024; ++i)
msg[i] = cpu_to_le32(0x0);
- return amdgpu_uvd_send_msg(ring, bo, true, fence);
+ r = amdgpu_uvd_send_msg(ring, bo, true, fence);
+
+ amdgpu_bo_unreserve(bo);
+ return r;
}
int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
bool direct, struct dma_fence **fence)
{
struct amdgpu_device *adev = ring->adev;
- struct amdgpu_bo *bo = NULL;
+ struct amdgpu_bo *bo = adev->uvd.ib_bo;
uint32_t *msg;
int r, i;
- r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_GTT,
- &bo, NULL, (void **)&msg);
+ r = ttm_bo_reserve(&bo->tbo, true, true, NULL);
if (r)
return r;
+ msg = amdgpu_bo_kptr(bo);
/* stitch together an UVD destroy msg */
msg[0] = cpu_to_le32(0x00000de4);
msg[1] = cpu_to_le32(0x00000002);
@@ -1223,7 +1233,10 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
for (i = 4; i < 1024; ++i)
msg[i] = cpu_to_le32(0x0);
- return amdgpu_uvd_send_msg(ring, bo, direct, fence);
+ r = amdgpu_uvd_send_msg(ring, bo, direct, fence);
+
+ amdgpu_bo_unreserve(bo);
+ return r;
}
static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
index edbb8194ee81..76ac9699885d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
@@ -68,6 +68,7 @@ struct amdgpu_uvd {
/* store image width to adjust nb memory state */
unsigned decode_image_width;
uint32_t keyselect;
+ struct amdgpu_bo *ib_bo;
};
int amdgpu_uvd_sw_init(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index bc571833632e..301c0cea7164 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -332,12 +332,10 @@ static int uvd_v6_0_enc_get_destroy_msg(struct amdgpu_ring *ring,
static int uvd_v6_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct dma_fence *fence = NULL;
- struct amdgpu_bo *bo = NULL;
+ struct amdgpu_bo *bo = ring->adev->uvd.ib_bo;
long r;
- r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_VRAM,
- &bo, NULL, NULL);
+ r = ttm_bo_reserve(&bo->tbo, true, true, NULL);
if (r)
return r;
@@ -357,9 +355,7 @@ static int uvd_v6_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
error:
dma_fence_put(fence);
- amdgpu_bo_unpin(bo);
amdgpu_bo_unreserve(bo);
- amdgpu_bo_unref(&bo);
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
index b6e82d75561f..efa270288029 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
@@ -338,12 +338,10 @@ static int uvd_v7_0_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handl
static int uvd_v7_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct dma_fence *fence = NULL;
- struct amdgpu_bo *bo = NULL;
+ struct amdgpu_bo *bo = ring->adev->uvd.ib_bo;
long r;
- r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_VRAM,
- &bo, NULL, NULL);
+ r = ttm_bo_reserve(&bo->tbo, true, true, NULL);
if (r)
return r;
@@ -363,9 +361,7 @@ static int uvd_v7_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
error:
dma_fence_put(fence);
- amdgpu_bo_unpin(bo);
amdgpu_bo_unreserve(bo);
- amdgpu_bo_unref(&bo);
return r;
}
--
2.25.1
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