On Tue, 2005-04-05 at 23:44 +0200, Andreas Schwab wrote: > Benjamin Herrenschmidt <[EMAIL PROTECTED]> writes: > > > After discussion with ATIs, it seems that the workarounds they initially > > gave me were not completely correct. > > > > This patch implements the proper ones, which includes sleeping in PLL > > accesses, and thus requires the previous patch to make sure we do not > > call unblank at interrupt time (unless oops_in_progress is set, in which > > case I use an mdelay). > > > > It also removes obsolete code that used to disable some power management > > features in the accel init code. > > This patch does no good on Radeon M6 (iBook G3). It makes mode switching > to take an extraordinary amount of time, ie. when switching away from X it > takes about 2-3 seconds until the console is restored.
Hrm... it should only add a few ms, maybe about 20 ms to the mode switching... If you remove the radeon_msleep(5) call from the radeon_pll_errata_after_data() routine in radeonfb.h, does it make a difference ? Ben. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/