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drm/amdgpu/VCN2.5: set decode ring functions

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Also reuse most of the VCN2.0 decode ring functions

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo Liu 2019-04-16 11:17:46 -04:00 • committed by Alex Deucher
parent a7c0e4019f
commit 185a579700
1 changed files with 78 additions and 0 deletions
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78
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
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@ -747,6 +747,84 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev)
return 0; return 0;
} }
/**
* vcn_v2_5_dec_ring_get_rptr - get read pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware read pointer
*/
static uint64_t vcn_v2_5_dec_ring_get_rptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
}
/**
* vcn_v2_5_dec_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware write pointer
*/
static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
}
/**
* vcn_v2_5_dec_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
*
* Commits the write pointer to the hardware
*/
static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
}
static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
.type = AMDGPU_RING_TYPE_VCN_DEC,
.align_mask = 0xf,
.vmhub = AMDGPU_MMHUB_1,
.get_rptr = vcn_v2_5_dec_ring_get_rptr,
.get_wptr = vcn_v2_5_dec_ring_get_wptr,
.set_wptr = vcn_v2_5_dec_ring_set_wptr,
.emit_frame_size =
SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
6,
.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
.emit_ib = vcn_v2_0_dec_ring_emit_ib,
.emit_fence = vcn_v2_0_dec_ring_emit_fence,
.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
.test_ring = amdgpu_vcn_dec_ring_test_ring,
.test_ib = amdgpu_vcn_dec_ring_test_ib,
.insert_nop = vcn_v2_0_dec_ring_insert_nop,
.insert_start = vcn_v2_0_dec_ring_insert_start,
.insert_end = vcn_v2_0_dec_ring_insert_end,
.pad_ib = amdgpu_ring_generic_pad_ib,
.begin_use = amdgpu_vcn_ring_begin_use,
.end_use = amdgpu_vcn_ring_end_use,
.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
};
static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
{
adev->vcn.ring_dec.funcs = &vcn_v2_5_dec_ring_vm_funcs;
DRM_INFO("VCN decode is enabled in VM mode\n");
}
static bool vcn_v2_5_is_idle(void *handle) static bool vcn_v2_5_is_idle(void *handle)
{ {
struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct amdgpu_device *adev = (struct amdgpu_device *)handle;