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author | Monk Liu | 2017-05-01 11:05:02 +0200 |
---|---|---|
committer | Alex Deucher | 2017-05-24 23:40:25 +0200 |
commit | 635e71329858f2051c015d2a8c863bbce04d1e1b (patch) | |
tree | 525c91dcdfc6eba0e1a9d53207a70299904ff864 /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | |
parent | drm/amdgpu:unify gfx8/9 ce/de meta_data (diff) | |
download | kernel-qcow2-linux-635e71329858f2051c015d2a8c863bbce04d1e1b.tar.gz kernel-qcow2-linux-635e71329858f2051c015d2a8c863bbce04d1e1b.tar.xz kernel-qcow2-linux-635e71329858f2051c015d2a8c863bbce04d1e1b.zip |
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.c | 10 |
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) |