From f04f56919c33416a4398a79290315254c09e2a4d Mon Sep 17 00:00:00 2001 From: Junwei Zhang Date: Fri, 14 Jul 2017 18:27:57 +0800 Subject: drm/amdgpu: remove unncessary code in psp v10 ring init func Signed-off-by: Junwei Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 20 -------------------- 1 file changed, 20 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v10_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c index 2258323a3c26..9a7b94d7a56b 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c @@ -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; } -- cgit v1.2.3-59-g8ed1b