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authorChristian König <christian.koenig@amd.com>2016-03-15 14:52:26 +0100
committerAlex Deucher <alexander.deucher@amd.com>2016-03-16 17:59:12 -0400
commite6151a08bbb3c85cd0b23813432690939e143131 (patch)
tree26f58e9030f2d31d635d27ce981ec835933c84d1 /drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
parent189e0fb763045aecc39c43100cd489c8756f3413 (diff)
downloadtalos-obmc-linux-e6151a08bbb3c85cd0b23813432690939e143131.tar.gz
talos-obmc-linux-e6151a08bbb3c85cd0b23813432690939e143131.zip
drm/amdgpu: add number of hardware submissions to amdgpu_fence_driver_init_ring
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index ec73ab1c177d..4654113ecfae 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",
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