From: Christian König Date: Tue, 15 Mar 2016 13:52:26 +0000 (+0100) Subject: drm/amdgpu: add number of hardware submissions to amdgpu_fence_driver_init_ring X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e6151a08bbb3c85cd0b23813432690939e143131;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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 Acked-by: Alex Deucher Reviewed-by: Chunming Zhou --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 7dee9af33196..26b137801aea 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -413,7 +413,8 @@ 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 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", diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index cc3c7adb994c..972eed2ef787 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; }