On Fri, Jan 24, 2003 at 01:14:18AM -0800, hy0 wrote: > Thanks for the explanations, now I can see what this is about. However I > still have some concerns about this code. > Indeed, Radeon chips do have 0x1c0 (misnamed MPP_TB_CONFIG) as SEPROM_CNTL > register. Modifying/restoring its SCK_PRESCALE field is unlikely to be the > cause of this screen corruption problem. > In the current code path, even for a properly POSTed card, MEM_CNTL is set > to zero and then restored back. This step may cause some side effect to the > memory controller. Properly initializing MEM_CNTL/MEM_SIZE should take > several steps (I may miss something): 1. wait for memory control idle > (MC_STATUS). 2. configure each channel (MEM_CNTL). 3. reset memory > (MEM_SDRAM_MOD_REG). 4. check if each channel works correctly. Simply > setting MEM_CNTL to zero and then restoring it back may put memory > controller in some bad state. Since Cedric doesn't seem to have this problem > with old CVS code, maybe he can try to change the current CVS code from > #if 0/* !defined(__alpha__) */ > back to > #if !defined(__alpha__) > See if it can make any difference. At least we can rule out MEM_CNTL related > code being the cause. >
Cool, it work, thanks. There was only a bug in the keyboard mapping but it's not related. Cedric _______________________________________________ XFree86 mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/xfree86
