From: Hawking Zhang <[email protected]>
Signed-off-by: Hawking Zhang <[email protected]>
Reviewed-by: Jack Xiao <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Acked-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 35 ++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 0b595b63520b..8c2b8543d7bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -389,6 +389,27 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
dev_warn(adev->dev, "no memory to create MQD
backup for ring %s\n", ring->name);
}
+ if (adev->asic_type == CHIP_NAVI10 && amdgpu_async_gfx_ring) {
+ /* create MQD for each KGQ */
+ for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
+ ring = &adev->gfx.gfx_ring[i];
+ if (!ring->mqd_obj) {
+ r = amdgpu_bo_create_kernel(adev, mqd_size,
PAGE_SIZE,
+
AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
+
&ring->mqd_gpu_addr, &ring->mqd_ptr);
+ if (r) {
+ dev_warn(adev->dev, "failed to create
ring mqd bo (%d)", r);
+ return r;
+ }
+
+ /* prepare MQD backup */
+ adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size,
GFP_KERNEL);
+ if (!adev->gfx.me.mqd_backup[i])
+ dev_warn(adev->dev, "no memory to
create MQD backup for ring %s\n", ring->name);
+ }
+ }
+ }
+
/* create MQD for each KCQ */
for (i = 0; i < adev->gfx.num_compute_rings; i++) {
ring = &adev->gfx.compute_ring[i];
@@ -397,7 +418,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
AMDGPU_GEM_DOMAIN_GTT,
&ring->mqd_obj,
&ring->mqd_gpu_addr,
&ring->mqd_ptr);
if (r) {
- dev_warn(adev->dev, "failed to create ring mqd
ob (%d)", r);
+ dev_warn(adev->dev, "failed to create ring mqd
bo (%d)", r);
return r;
}
@@ -416,6 +437,16 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev)
struct amdgpu_ring *ring = NULL;
int i;
+ if (adev->asic_type == CHIP_NAVI10 && amdgpu_async_gfx_ring) {
+ for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
+ ring = &adev->gfx.gfx_ring[i];
+ kfree(adev->gfx.me.mqd_backup[i]);
+ amdgpu_bo_free_kernel(&ring->mqd_obj,
+ &ring->mqd_gpu_addr,
+ &ring->mqd_ptr);
+ }
+ }
+
for (i = 0; i < adev->gfx.num_compute_rings; i++) {
ring = &adev->gfx.compute_ring[i];
kfree(adev->gfx.mec.mqd_backup[i]);
@@ -425,6 +456,8 @@ void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev)
}
ring = &adev->gfx.kiq.ring;
+ if (adev->asic_type == CHIP_NAVI10 && amdgpu_async_gfx_ring)
+ kfree(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS]);
kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
amdgpu_bo_free_kernel(&ring->mqd_obj,
&ring->mqd_gpu_addr,
--
2.20.1
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