This hack makes the Radeon work on an AMD761 chipset. I've tested it personally. It should suffice until CVS' real fixes eventually get merged in.
For users of DRM, SCT's similar kernel patch at http://uwsg.iu.edu/hypermail/linux/kernel/0109.1/0752.html may be important. --- xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_accel.c~ Sat Sep 15 07:07:22 2001 +++ xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_accel.c Thu Sep 13 23:14:33 2001 @@ -255,8 +255,8 @@ RADEON_SOFT_RESET_RE | RADEON_SOFT_RESET_PP | RADEON_SOFT_RESET_E2 | - RADEON_SOFT_RESET_RB | - RADEON_SOFT_RESET_HDP); + RADEON_SOFT_RESET_RB /*| + RADEON_SOFT_RESET_HDP*/); INREG(RADEON_RBBM_SOFT_RESET); OUTREG(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset & (CARD32) ~(RADEON_SOFT_RESET_CP | @@ -265,8 +265,8 @@ RADEON_SOFT_RESET_RE | RADEON_SOFT_RESET_PP | RADEON_SOFT_RESET_E2 | - RADEON_SOFT_RESET_RB | - RADEON_SOFT_RESET_HDP)); + RADEON_SOFT_RESET_RB/* | + RADEON_SOFT_RESET_HDP*/)); INREG(RADEON_RBBM_SOFT_RESET); OUTPLL(RADEON_MCLK_CNTL, mclk_cntl);
