diff options
author | Keith Packard <keithp@keithp.com> | 2005-01-25 06:04:21 +0000 |
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committer | Keith Packard <keithp@keithp.com> | 2005-01-25 06:04:21 +0000 |
commit | 8813898ef6b9eb470e079bcdcffa89d1243b63b9 (patch) | |
tree | 37f880c7ca750870bb8d4062d7d67241a3099494 | |
parent | 33155b4fd3ce025d555f07833f96b760d5cdfbd3 (diff) |
Fix R100 text by forcing the 3d engine to idle before executing more 3d
commands. Add docs for the ISYNC_CNTL register, which doesn't quite do
what we want.
-rw-r--r-- | hw/kdrive/ati/ati_draw.c | 3 | ||||
-rw-r--r-- | hw/kdrive/ati/ati_reg.h | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/hw/kdrive/ati/ati_draw.c b/hw/kdrive/ati/ati_draw.c index ead133b58..a47dc8973 100644 --- a/hw/kdrive/ati/ati_draw.c +++ b/hw/kdrive/ati/ati_draw.c @@ -214,8 +214,9 @@ RadeonSwitchTo3D(ATIScreenInfo *atis) ENTER_DRAW(0); BEGIN_DMA(4); OUT_REG(RADEON_REG_RB3D_DSTCACHE_CTLSTAT, RADEON_RB3D_DC_FLUSH); + /* We must wait for 3d to idle, in case source was just written as a dest. */ OUT_REG(ATI_REG_WAIT_UNTIL, - RADEON_WAIT_HOST_IDLECLEAN | RADEON_WAIT_2D_IDLECLEAN); + RADEON_WAIT_HOST_IDLECLEAN | RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN); END_DMA(); LEAVE_DRAW(0); } diff --git a/hw/kdrive/ati/ati_reg.h b/hw/kdrive/ati/ati_reg.h index 2b38bbee2..17b5db360 100644 --- a/hw/kdrive/ati/ati_reg.h +++ b/hw/kdrive/ati/ati_reg.h @@ -416,6 +416,10 @@ # define RADEON_WAIT_BOTH_CRTC_PFLIP (1 << 30) # define RADEON_ENG_DISPLAY_SELECT (1 << 31) +#define RADEON_REG_ISYNC_CNTL 0x1724 +#define ISYNC_ANY2D_IDLE3D 0x1 +#define ISYNC_ANY3D_IDLE2D 0x2 + #define R128_REG_GUI_STAT 0x1740 # define R128_GUI_ACTIVE (1 << 31) |