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From abc34e0409c28dd32419f25329279ef320274ca3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Tue, 15 Mar 2016 14:52:26 +0100
Subject: [PATCH 0398/1110] drm/amdgpu: add number of hardware submissions to
amdgpu_fence_driver_init_ring
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Make this a parameter instead of using the global variable directly.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 10 ++++++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 ++-
3 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 19f8c46..bd556b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -374,7 +374,8 @@ int amdgpu_fence_driver_init(struct amdgpu_device *adev);
void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
-int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
+int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
+ unsigned num_hw_submission);
int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
struct amdgpu_irq_src *irq_src,
unsigned irq_type);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index ec73ab1..4654113 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -355,15 +355,21 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
* for the requested ring.
*
* @ring: ring to init the fence driver on
+ * @num_hw_submission: number of entries on the hardware queue
*
* Init the fence driver for the requested ring (all asics).
* Helper function for amdgpu_fence_driver_init().
*/
-int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring)
+int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
+ unsigned num_hw_submission)
{
long timeout;
int r;
+ /* Check that num_hw_submission is a power of two */
+ if ((num_hw_submission & (num_hw_submission - 1)) != 0)
+ return -EINVAL;
+
ring->fence_drv.cpu_addr = NULL;
ring->fence_drv.gpu_addr = 0;
ring->fence_drv.sync_seq = 0;
@@ -387,7 +393,7 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring)
timeout = MAX_SCHEDULE_TIMEOUT;
}
r = amd_sched_init(&ring->sched, &amdgpu_sched_ops,
- amdgpu_sched_hw_submission,
+ num_hw_submission,
timeout, ring->name);
if (r) {
DRM_ERROR("Failed to create scheduler on ring %s.\n",
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index cc3c7ad..972eed2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -236,7 +236,8 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
ring->adev = adev;
ring->idx = adev->num_rings++;
adev->rings[ring->idx] = ring;
- r = amdgpu_fence_driver_init_ring(ring);
+ r = amdgpu_fence_driver_init_ring(ring,
+ amdgpu_sched_hw_submission);
if (r)
return r;
}
--
2.7.4
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