From: Boyuan Zhang Date: Fri, 1 Jun 2018 16:30:17 +0000 (-0400) Subject: drm/amdgpu: define and add extra dword for jpeg ring X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c8c1a1d2ef040d2661fc9c7f0b32aec5b1058ae3;p=linux.git drm/amdgpu: define and add extra dword for jpeg ring Define extra dword for jpeg ring. Jpeg ring will allocate extra dword to store the patch commands for fixing the known issue. v2: dropping extra_dw for rings other than jpeg. Signed-off-by: Boyuan Zhang Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index c6850b629d0e6..19e45a3953e07 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -304,7 +304,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, 0xffffffffffffffff : ring->buf_mask; /* Allocate ring buffer */ if (ring->ring_obj == NULL) { - r = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, + r = amdgpu_bo_create_kernel(adev, ring->ring_size + ring->funcs->extra_dw, PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, &ring->ring_obj, &ring->gpu_addr, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index a3908efabb662..a293f4e6760db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -113,6 +113,7 @@ struct amdgpu_ring_funcs { u32 nop; bool support_64bit_ptrs; unsigned vmhub; + unsigned extra_dw; /* ring read/write ptr handling */ u64 (*get_rptr)(struct amdgpu_ring *ring); diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 92f78c559fc5a..8fecdc5cef43e 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -1690,6 +1690,7 @@ static const struct amdgpu_ring_funcs vcn_v1_0_jpeg_ring_vm_funcs = { .nop = PACKET0(0x81ff, 0), .support_64bit_ptrs = false, .vmhub = AMDGPU_MMHUB, + .extra_dw = 64, .get_rptr = vcn_v1_0_jpeg_ring_get_rptr, .get_wptr = vcn_v1_0_jpeg_ring_get_wptr, .set_wptr = vcn_v1_0_jpeg_ring_set_wptr,