drm/amdgpu: remove unncessary code in psp v10 ring init func

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Junwei Zhang 2017-07-14 18:27:57 +08:00 committed by Alex Deucher
parent 564f04586d
commit f04f56919c

View File

@ -110,7 +110,6 @@ int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cm
int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
{
int ret = 0;
unsigned int psp_ring_reg = 0;
struct psp_ring *ring;
struct amdgpu_device *adev = psp->adev;
@ -130,25 +129,6 @@ int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
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);
/* Write high address of the ring to C2PMSG_70 */
psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
/* Write size of ring to C2PMSG_71 */
psp_ring_reg = ring->ring_size;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
/* Write the ring initialization command to C2PMSG_64 */
psp_ring_reg = ring_type;
psp_ring_reg = psp_ring_reg << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
/* Wait for response flag (bit 31) in C2PMSG_64 */
psp_ring_reg = 0;
while ((psp_ring_reg & 0x80000000) == 0) {
psp_ring_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64);
}
return 0;
}