drm/amdgpu/psp: upper_32_bits/lower_32_bits for address setup

Rather than casting and shifting.  Fixes sparse cast warnings.

Reviewed-by: Samuel Li <samuel.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index e19369e..4083be6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -152,8 +152,8 @@ static void psp_prep_tmr_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 				 uint64_t tmr_mc, uint32_t size)
 {
 	cmd->cmd_id = GFX_CMD_ID_SETUP_TMR;
-	cmd->cmd.cmd_setup_tmr.buf_phy_addr_lo = (uint32_t)tmr_mc;
-	cmd->cmd.cmd_setup_tmr.buf_phy_addr_hi = (uint32_t)(tmr_mc >> 32);
+	cmd->cmd.cmd_setup_tmr.buf_phy_addr_lo = lower_32_bits(tmr_mc);
+	cmd->cmd.cmd_setup_tmr.buf_phy_addr_hi = upper_32_bits(tmr_mc);
 	cmd->cmd.cmd_setup_tmr.buf_size = size;
 }