C++ (Cpp) amdgpu_atombios_get_clock_dividers 예제들

예제 #1

파일: vi.c 프로젝트: BOB-TBS/linux_media

static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
			u32 cntl_reg, u32 status_reg)
{
	int r, i;
	struct atom_clock_dividers dividers;
	uint32_t tmp;

	r = amdgpu_atombios_get_clock_dividers(adev,
					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
					       clock, false, &dividers);
	if (r)
		return r;

	tmp = RREG32_SMC(cntl_reg);
	tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
		CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
	tmp |= dividers.post_divider;
	WREG32_SMC(cntl_reg, tmp);

	for (i = 0; i < 100; i++) {
		if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK)
			break;
		mdelay(10);
	}
	if (i == 100)
		return -ETIMEDOUT;

	return 0;
}

예제 #2

파일: vi.c 프로젝트: lcavalcante/linux

static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
{
	int r, i;
	struct atom_clock_dividers dividers;
	u32 tmp;

	r = amdgpu_atombios_get_clock_dividers(adev,
					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
					       ecclk, false, &dividers);
	if (r)
		return r;

	for (i = 0; i < 100; i++) {
		if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
			break;
		mdelay(10);
	}
	if (i == 100)
		return -ETIMEDOUT;

	tmp = RREG32_SMC(ixCG_ECLK_CNTL);
	tmp &= ~(CG_ECLK_CNTL__ECLK_DIR_CNTL_EN_MASK |
		CG_ECLK_CNTL__ECLK_DIVIDER_MASK);
	tmp |= dividers.post_divider;
	WREG32_SMC(ixCG_ECLK_CNTL, tmp);

	for (i = 0; i < 100; i++) {
		if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
			break;
		mdelay(10);
	}
	if (i == 100)
		return -ETIMEDOUT;

	return 0;
}