smi_accel.c: In function 'SMI_GEReset':
smi_accel.c:51:1: warning: passing argument 4 of 'SMI_GEReset' discards 'const' qualifier from pointer target type
  WaitIdle();
 ^
smi_accel.c:38:1: note: expected 'char *' but argument is of type 'const char *'
 SMI_GEReset(ScrnInfoPtr pScrn, int from_timeout, int line, char *file)
 ^
[...]
smi_driver.c: In function 'SMI_DetectPanelSize':
smi_driver.c:1011:12: warning: assignment discards 'const' qualifier from pointer target type
     if ((s = xf86GetOptValString(pSmi->Options, OPTION_PANEL_SIZE)) != NULL) {
            ^

Signed-off-by: Julien Cristau <jcristau@debian.org>