示例#1
0
文件: uvd_v6_0.c 项目: Anjali05/linux
static int uvd_v6_0_set_powergating_state(void *handle,
					  enum amd_powergating_state state)
{
	/* This doesn't actually powergate the UVD block.
	 * That's done in the dpm code via the SMC.  This
	 * just re-inits the block as necessary.  The actual
	 * gating still happens in the dpm code.  We should
	 * revisit this when there is a cleaner line between
	 * the smc and the hw blocks
	 */
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	int ret = 0;

	WREG32(mmUVD_POWER_STATUS, UVD_POWER_STATUS__UVD_PG_EN_MASK);

	if (state == AMD_PG_STATE_GATE) {
		uvd_v6_0_stop(adev);
	} else {
		ret = uvd_v6_0_start(adev);
		if (ret)
			goto out;
	}

out:
	return ret;
}
示例#2
0
文件: uvd_v6_0.c 项目: acton393/linux
static int uvd_v6_0_pre_soft_reset(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	if (!adev->uvd.srbm_soft_reset)
		return 0;

	uvd_v6_0_stop(adev);
	return 0;
}
示例#3
0
文件: uvd_v6_0.c 项目: acton393/linux
/**
 * uvd_v6_0_hw_fini - stop the hardware block
 *
 * @adev: amdgpu_device pointer
 *
 * Stop the UVD block, mark ring as not ready any more
 */
static int uvd_v6_0_hw_fini(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct amdgpu_ring *ring = &adev->uvd.ring;

	uvd_v6_0_stop(adev);
	ring->ready = false;

	return 0;
}
示例#4
0
文件: uvd_v6_0.c 项目: Anjali05/linux
/**
 * uvd_v6_0_hw_fini - stop the hardware block
 *
 * @adev: amdgpu_device pointer
 *
 * Stop the UVD block, mark ring as not ready any more
 */
static int uvd_v6_0_hw_fini(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct amdgpu_ring *ring = &adev->uvd.inst->ring;

	if (RREG32(mmUVD_STATUS) != 0)
		uvd_v6_0_stop(adev);

	ring->sched.ready = false;

	return 0;
}
示例#5
0
文件: uvd_v6_0.c 项目: AK101111/linux
static int uvd_v6_0_soft_reset(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	uvd_v6_0_stop(adev);

	WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK,
			~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK);
	mdelay(5);

	return uvd_v6_0_start(adev);
}
示例#6
0
文件: uvd_v6_0.c 项目: AK101111/linux
static int uvd_v6_0_set_powergating_state(void *handle,
					  enum amd_powergating_state state)
{
	/* This doesn't actually powergate the UVD block.
	 * That's done in the dpm code via the SMC.  This
	 * just re-inits the block as necessary.  The actual
	 * gating still happens in the dpm code.  We should
	 * revisit this when there is a cleaner line between
	 * the smc and the hw blocks
	 */
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD))
		return 0;

	if (state == AMD_PG_STATE_GATE) {
		uvd_v6_0_stop(adev);
		return 0;
	} else {
		return uvd_v6_0_start(adev);
	}
}