drm/amdgpu/psp11: wait for sOS ready for ring creation (d7e7f1ea) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/psp_v11_0.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -467,6 +467,14 @@ static int psp_v11_0_ring_create(struct psp_context *psp,
		0x80000000, 0x8000FFFF, false);

		} else {
		/* Wait for sOS ready for ring creation */
		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
		0x80000000, 0x80000000, false);
		if (ret) {
		DRM_ERROR("Failed to wait for sOS ready for ring creation\n");
		return ret;
		}

		/* Write low address of the ring to C2PMSG_69 */
		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);