From 2e2e3c7f182e26fb518c13ab683aac7918dffb67 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Wed, 8 Mar 2017 15:53:19 +0800 Subject: [PATCH] drm/amdgpu:enable MCBP for SR-IOV (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Apply the new IB during IB emit for SRIOV with MCBP v2: agd: use define instead of magic number Signed-off-by: Monk Liu Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 3 +++ drivers/gpu/drm/amd/amdgpu/vid.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 0050b09..c59bb38 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -6564,6 +6564,9 @@ static void gfx_v8_0_ring_emit_ib_gfx(struct amdgpu_ring *ring, control |= ib->length_dw | (vm_id << 24); + if (amdgpu_sriov_vf(ring->adev) && ib->flags & AMDGPU_IB_FLAG_PREEMPT) + control |= INDIRECT_BUFFER_PRE_ENB(1); + amdgpu_ring_write(ring, header); amdgpu_ring_write(ring, #ifdef __BIG_ENDIAN diff --git a/drivers/gpu/drm/amd/amdgpu/vid.h b/drivers/gpu/drm/amd/amdgpu/vid.h index 7a3863a..b3a86e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/vid.h +++ b/drivers/gpu/drm/amd/amdgpu/vid.h @@ -195,6 +195,7 @@ * 1 - Stream * 2 - Bypass */ +#define INDIRECT_BUFFER_PRE_ENB(x) ((x) << 21) #define PACKET3_COPY_DATA 0x40 #define PACKET3_PFP_SYNC_ME 0x42 #define PACKET3_SURFACE_SYNC 0x43 -- 2.7.4