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drm/amdgpu/vcn3.0: add software ring share memory support 

Support software ring share memory with vcn firmware.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu 2020-11-02 17:03:17 -05:00 committed by Alex Deucher
parent 52f9535ca4
commit a76087cf97
1 changed files with 31 additions and 4 deletions
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35
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
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@ -170,6 +170,7 @@ static int vcn_v3_0_sw_init(void *handle)
}
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
volatile struct amdgpu_fw_shared *fw_shared;
if (adev->vcn.harvest_config & (1 << i))
continue;
@ -234,6 +235,10 @@ static int vcn_v3_0_sw_init(void *handle)
if (r)
return r;
}
fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SW_RING_FLAG);
fw_shared->sw_ring.is_enabled = cpu_to_le32(DEC_SW_RING_ENABLED);
}
if (amdgpu_sriov_vf(adev)) {
@ -257,7 +262,17 @@ static int vcn_v3_0_sw_init(void *handle)
static int vcn_v3_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
int i, r;
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
volatile struct amdgpu_fw_shared *fw_shared;
if (adev->vcn.harvest_config & (1 << i))
continue;
fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
fw_shared->present_flag_0 = 0;
fw_shared->sw_ring.is_enabled = false;
}
if (amdgpu_sriov_vf(adev))
amdgpu_virt_free_mm_table(adev);
@ -467,6 +482,15 @@ static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET2, 0);
WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
/* non-cache window */
WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
lower_32_bits(adev->vcn.inst[inst].fw_shared_gpu_addr));
WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
upper_32_bits(adev->vcn.inst[inst].fw_shared_gpu_addr));
WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_SIZE0,
AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
}
static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
@ -549,13 +573,16 @@ static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
/* non-cache window */
WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW), 0, 0, indirect);
VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
lower_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH), 0, 0, indirect);
VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
upper_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
VCN, inst_idx, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
VCN, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0), 0, 0, indirect);
VCN, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0),
AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
}
static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)