/**
* gmc_v9_0_gart_enable - gart enable
*
* @adev: amdgpu_device pointer
*/
static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
{
int r;
bool value;
u32 tmp;
amdgpu_device_program_register_sequence(adev,
golden_settings_vega10_hdp,
ARRAY_SIZE(golden_settings_vega10_hdp));
if (adev->gart.robj == NULL) {
dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
return -EINVAL;
}
r = amdgpu_gart_table_vram_pin(adev);
if (r)
return r;
switch (adev->asic_type) {
case CHIP_RAVEN:
mmhub_v1_0_initialize_power_gating(adev);
mmhub_v1_0_update_power_gating(adev, true);
break;
default:
break;
}
r = gfxhub_v1_0_gart_enable(adev);
if (r)
return r;
r = mmhub_v1_0_gart_enable(adev);
if (r)
return r;
WREG32_FIELD15(HDP, 0, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1);
tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL);
WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp);
/* After HDP is initialized, flush HDP.*/
adev->nbio_funcs->hdp_flush(adev, NULL);
if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
value = false;
else
value = true;
gfxhub_v1_0_set_fault_enable_default(adev, value);
mmhub_v1_0_set_fault_enable_default(adev, value);
gmc_v9_0_flush_gpu_tlb(adev, 0);
DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
(unsigned)(adev->gmc.gart_size >> 20),
(unsigned long long)adev->gart.table_addr);
adev->gart.ready = true;
return 0;
}
static int gmc_v9_0_hw_init(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* The sequence of these two function calls matters.*/
gmc_v9_0_init_golden_registers(adev);
if (adev->mode_info.num_crtc) {
/* Lockout access through VGA aperture*/
WREG32_FIELD15(DCE, 0, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
/* disable VGA render */
WREG32_FIELD15(DCE, 0, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
}
r = gmc_v9_0_gart_enable(adev);
return r;
}
static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev,
bool enable)
{
WREG32_FIELD15(NBIO, 0, RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0);
}
