diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vega10_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c index 9eae3536ddad..5cb7e231de5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c @@ -226,7 +226,7 @@ static int vega10_ih_irq_init(struct amdgpu_device *adev) /* disable irqs */ vega10_ih_disable_interrupts(adev); - adev->nbio_funcs->ih_control(adev); + adev->nbio.funcs->ih_control(adev); ih = &adev->irq.ih; /* Ring Buffer base. [39:8] of 40-bit address of the beginning of the ring buffer*/ @@ -675,10 +675,49 @@ static int vega10_ih_soft_reset(void *handle) return 0; } +static void vega10_ih_update_clockgating_state(struct amdgpu_device *adev, + bool enable) +{ + uint32_t data, def, field_val; + + if (adev->cg_flags & AMD_CG_SUPPORT_IH_CG) { + def = data = RREG32_SOC15(OSSSYS, 0, mmIH_CLK_CTRL); + field_val = enable ? 0 : 1; + /** + * Vega10 does not have IH_RETRY_INT_CAM_MEM_CLK_SOFT_OVERRIDE + * and IH_BUFFER_MEM_CLK_SOFT_OVERRIDE field. + */ + if (adev->asic_type > CHIP_VEGA10) { + data = REG_SET_FIELD(data, IH_CLK_CTRL, + IH_RETRY_INT_CAM_MEM_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + IH_BUFFER_MEM_CLK_SOFT_OVERRIDE, field_val); + } + + data = REG_SET_FIELD(data, IH_CLK_CTRL, + DBUS_MUX_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + OSSSYS_SHARE_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + LIMIT_SMN_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + DYN_CLK_SOFT_OVERRIDE, field_val); + data = REG_SET_FIELD(data, IH_CLK_CTRL, + REG_CLK_SOFT_OVERRIDE, field_val); + if (def != data) + WREG32_SOC15(OSSSYS, 0, mmIH_CLK_CTRL, data); + } +} + static int vega10_ih_set_clockgating_state(void *handle, enum amd_clockgating_state state) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + vega10_ih_update_clockgating_state(adev, + state == AMD_CG_STATE_GATE ? true : false); return 0; + } static int vega10_ih_set_powergating_state(void *handle, |