diff options
| -rw-r--r-- | src/savage_accel.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/savage_accel.c b/src/savage_accel.c index 251076f..d7fdd3d 100644 --- a/src/savage_accel.c +++ b/src/savage_accel.c @@ -743,13 +743,14 @@ void SavageSetGBD_3D(ScrnInfoPtr pScrn) OUTREG32(ADVANCED_FUNC_CTRL,ulTmp); /* - * Set up Tiled Surface Registers - * Bit 25:20 - Surface width in tiles. - * Bit 29 - Y Range Flag. - * Bit 31:30 = 00, 4 bpp. - * = 01, 8 bpp. - * = 10, 16 bpp. - * = 11, 32 bpp. + * Tiled Surface 0 Registers MM48C40: + * bit 0~23: tile surface 0 frame buffer offset + * bit 24~29:tile surface 0 width + * bit 30~31:tile surface 0 bits/pixel + * 00: reserved + * 01, 8 bits + * 10, 16 Bits. + * 11, 32 Bits. */ /* * Global Bitmap Descriptor Register MM816C |