C++ (Cpp) cik_sdma_gfx_stop Examples

Example #1

File: cik_sdma.c Project: asmalldev/linux

/**
 * cik_sdma_enable - stop the async dma engines
 *
 * @adev: amdgpu_device pointer
 * @enable: enable/disable the DMA MEs.
 *
 * Halt or unhalt the async dma engines (CIK).
 */
static void cik_sdma_enable(struct amdgpu_device *adev, bool enable)
{
	u32 me_cntl;
	int i;

	if (!enable) {
		cik_sdma_gfx_stop(adev);
		cik_sdma_rlc_stop(adev);
	}

	for (i = 0; i < adev->sdma.num_instances; i++) {
		me_cntl = RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i]);
		if (enable)
			me_cntl &= ~SDMA0_F32_CNTL__HALT_MASK;
		else
			me_cntl |= SDMA0_F32_CNTL__HALT_MASK;
		WREG32(mmSDMA0_F32_CNTL + sdma_offsets[i], me_cntl);
	}
}

Example #2

File: cik_sdma.c Project: AkyZero/wrapfs-latest

/**
 * cik_sdma_enable - stop the async dma engines
 *
 * @rdev: radeon_device pointer
 * @enable: enable/disable the DMA MEs.
 *
 * Halt or unhalt the async dma engines (CIK).
 */
void cik_sdma_enable(struct radeon_device *rdev, bool enable)
{
	u32 me_cntl, reg_offset;
	int i;

	if (enable == false) {
		cik_sdma_gfx_stop(rdev);
		cik_sdma_rlc_stop(rdev);
	}

	for (i = 0; i < 2; i++) {
		if (i == 0)
			reg_offset = SDMA0_REGISTER_OFFSET;
		else
			reg_offset = SDMA1_REGISTER_OFFSET;
		me_cntl = RREG32(SDMA0_ME_CNTL + reg_offset);
		if (enable)
			me_cntl &= ~SDMA_HALT;
		else
			me_cntl |= SDMA_HALT;
		WREG32(SDMA0_ME_CNTL + reg_offset, me_cntl);
	}
}