答复: [PATCH 4/4] drm/amdgpu:enable MCBP for SR-IOV

[Monk.Liu@xxxxxxx (Liu, Monk)]

Anyone review the 4 patches and another libdrm patch ?



-----é?®ä»¶å??件-----
å??件人: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] 代表 Monk Liu
å??é??æ?¶é?´: Wednesday, March 08, 2017 3:54 PM
�件人: amd-gfx at lists.freedesktop.org
æ??é??: Liu, Monk <Monk.Liu at amd.com>
主�: [PATCH 4/4] drm/amdgpu:enable MCBP for SR-IOV

Change-Id: I779abc6a47593be0ff5234c3e2f2cdfd25ba70ca
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 ++++
 1 file 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 8dba5ff..be49c30 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6552,6 +6552,10 @@ static void gfx_v8_0_ring_emit_ib_gfx(struct amdgpu_ring *ring,
 
 	control |= ib->length_dw | (vm_id << 24);
 
+	if (ring && amdgpu_sriov_vf(ring->adev) &&
+		ib->flags & AMDGPU_IB_FLAG_PREEMPT)
+		control |= (1<<21);
+
 	amdgpu_ring_write(ring, header);
 	amdgpu_ring_write(ring,
 #ifdef __BIG_ENDIAN
-- 
2.7.4

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