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authorMonk Liu2017-05-01 11:05:02 +0200
committerAlex Deucher2017-05-24 23:40:25 +0200
commit635e71329858f2051c015d2a8c863bbce04d1e1b (patch)
tree525c91dcdfc6eba0e1a9d53207a70299904ff864 /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
parentdrm/amdgpu:unify gfx8/9 ce/de meta_data (diff)
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drm/amdgpu:change SR-IOV DMAframe scheme
According to CP/hw team requirment, to support PAL/CHAINED-IB MCBP, kernel driver must guarantee DE_META must be inserted right prior to the work_load DE IB (with PREEMPT flag), there cannot be any non-work_load DE IB between-in DE_META and work_load DE IB. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 5b37b9803470..55a1ccc3619e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -118,6 +118,7 @@ static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev,
struct amdgpu_cu_info *cu_info);
static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev);
static void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance);
+static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring);
static void gfx_v9_0_init_golden_registers(struct amdgpu_device *adev)
{
@@ -2963,9 +2964,13 @@ static void gfx_v9_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))
+ if (amdgpu_sriov_vf(ring->adev) && (ib->flags & AMDGPU_IB_FLAG_PREEMPT)) {
control |= INDIRECT_BUFFER_PRE_ENB(1);
+ if (!(ib->flags & AMDGPU_IB_FLAG_CE))
+ gfx_v9_0_ring_emit_de_meta(ring);
+ }
+
amdgpu_ring_write(ring, header);
BUG_ON(ib->gpu_addr & 0x3); /* Dword align */
amdgpu_ring_write(ring,
@@ -3205,9 +3210,6 @@ static void gfx_v9_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags)
amdgpu_ring_write(ring, PACKET3(PACKET3_CONTEXT_CONTROL, 1));
amdgpu_ring_write(ring, dw2);
amdgpu_ring_write(ring, 0);
-
- if (amdgpu_sriov_vf(ring->adev))
- gfx_v9_0_ring_emit_de_meta(ring);
}
static unsigned gfx_v9_0_ring_emit_init_cond_exec(struct amdgpu_ring *ring)