diff options
| author | Maruthi Srinivas Bayyavarapu <Maruthi.Bayyavarapu@amd.com> | 2016-08-30 12:46:36 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-09-13 01:12:16 +0300 |
| commit | ea4a8c1d94e98693612b01908076d6133be52c6e (patch) | |
| tree | 8e52ea98e91885e6320f0a93b1a85db8151cda39 /drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | |
| parent | 832c6ef765a6943edeb30db25f33c0a56560c532 (diff) | |
| download | linux-ea4a8c1d94e98693612b01908076d6133be52c6e.tar.xz | |
drm/amdgpu: add VCE VM mode support
This adds VCE VM mode support from Stoney onwards. Session tracking
is an open issue, yet to be supported.
v2: Fixed warnings from checkpatch.pl
Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@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/vce_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 63 |
1 files changed, 60 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index b083c369accb..a55ddc092a9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -775,6 +775,39 @@ static int vce_v3_0_set_powergating_state(void *handle, return vce_v3_0_start(adev); } +static void vce_v3_0_ring_emit_ib(struct amdgpu_ring *ring, + struct amdgpu_ib *ib, unsigned int vm_id, bool ctx_switch) +{ + amdgpu_ring_write(ring, VCE_CMD_IB_VM); + amdgpu_ring_write(ring, vm_id); + amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); + amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); + amdgpu_ring_write(ring, ib->length_dw); +} + +static void vce_v3_0_emit_vm_flush(struct amdgpu_ring *ring, + unsigned int vm_id, uint64_t pd_addr) +{ + amdgpu_ring_write(ring, VCE_CMD_UPDATE_PTB); + amdgpu_ring_write(ring, vm_id); + amdgpu_ring_write(ring, pd_addr >> 12); + + amdgpu_ring_write(ring, VCE_CMD_FLUSH_TLB); + amdgpu_ring_write(ring, vm_id); + amdgpu_ring_write(ring, VCE_CMD_END); +} + +static void vce_v3_0_emit_pipeline_sync(struct amdgpu_ring *ring) +{ + uint32_t seq = ring->fence_drv.sync_seq; + uint64_t addr = ring->fence_drv.gpu_addr; + + amdgpu_ring_write(ring, VCE_CMD_WAIT_GE); + amdgpu_ring_write(ring, lower_32_bits(addr)); + amdgpu_ring_write(ring, upper_32_bits(addr)); + amdgpu_ring_write(ring, seq); +} + const struct amd_ip_funcs vce_v3_0_ip_funcs = { .name = "vce_v3_0", .early_init = vce_v3_0_early_init, @@ -795,7 +828,7 @@ const struct amd_ip_funcs vce_v3_0_ip_funcs = { .set_powergating_state = vce_v3_0_set_powergating_state, }; -static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = { +static const struct amdgpu_ring_funcs vce_v3_0_ring_phys_funcs = { .get_rptr = vce_v3_0_ring_get_rptr, .get_wptr = vce_v3_0_ring_get_wptr, .set_wptr = vce_v3_0_ring_set_wptr, @@ -810,12 +843,36 @@ static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = { .end_use = amdgpu_vce_ring_end_use, }; +static const struct amdgpu_ring_funcs vce_v3_0_ring_vm_funcs = { + .get_rptr = vce_v3_0_ring_get_rptr, + .get_wptr = vce_v3_0_ring_get_wptr, + .set_wptr = vce_v3_0_ring_set_wptr, + .parse_cs = NULL, + .emit_ib = vce_v3_0_ring_emit_ib, + .emit_vm_flush = vce_v3_0_emit_vm_flush, + .emit_pipeline_sync = vce_v3_0_emit_pipeline_sync, + .emit_fence = amdgpu_vce_ring_emit_fence, + .test_ring = amdgpu_vce_ring_test_ring, + .test_ib = amdgpu_vce_ring_test_ib, + .insert_nop = amdgpu_ring_insert_nop, + .pad_ib = amdgpu_ring_generic_pad_ib, + .begin_use = amdgpu_vce_ring_begin_use, + .end_use = amdgpu_vce_ring_end_use, +}; + static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev) { int i; - for (i = 0; i < adev->vce.num_rings; i++) - adev->vce.ring[i].funcs = &vce_v3_0_ring_funcs; + if (adev->asic_type >= CHIP_STONEY) { + for (i = 0; i < adev->vce.num_rings; i++) + adev->vce.ring[i].funcs = &vce_v3_0_ring_vm_funcs; + DRM_INFO("VCE enabled in VM mode\n"); + } else { + for (i = 0; i < adev->vce.num_rings; i++) + adev->vce.ring[i].funcs = &vce_v3_0_ring_phys_funcs; + DRM_INFO("VCE enabled in physical mode\n"); + } } static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = { |