From c79ecfbf5bba298ab5716536fa9cb68533bb5c26 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Wed, 8 Feb 2017 16:49:46 +0800 Subject: [PATCH] drm/amdgpu:imple ring clear we can use it clear ring buffer instead of fullfill 0, which is not correct for engine Signed-off-by: Monk Liu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 5785db8e3cf3..5d0f7c52fc01 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -186,5 +186,12 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, unsigned ring_size, struct amdgpu_irq_src *irq_src, unsigned irq_type); void amdgpu_ring_fini(struct amdgpu_ring *ring); +static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring) +{ + int i = 0; + while (i <= ring->ptr_mask) + ring->ring[i++] = ring->funcs->nop; + +} #endif -- 2.20.1