diff options
Diffstat (limited to 'src/i830_accel.c')
| -rw-r--r-- | src/i830_accel.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/i830_accel.c b/src/i830_accel.c index 6b338879..6ad62d1f 100644 --- a/src/i830_accel.c +++ b/src/i830_accel.c @@ -134,6 +134,7 @@ void I830Sync(ScrnInfoPtr pScrn) { I830Ptr pI830 = I830PTR(pScrn); + int flags = MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE; if (I810_DEBUG & (DEBUG_VERBOSE_ACCEL | DEBUG_VERBOSE_SYNC)) ErrorF("I830Sync\n"); @@ -148,13 +149,17 @@ I830Sync(ScrnInfoPtr pScrn) if (pI830->entityPrivate && !pI830->entityPrivate->RingRunning) return; + if (IS_I965G(pI830)) + flags = 0; + /* Send a flush instruction and then wait till the ring is empty. * This is stronger than waiting for the blitter to finish as it also * flushes the internal graphics caches. */ + { BEGIN_LP_RING(2); - OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE); + OUT_RING(MI_FLUSH | flags); OUT_RING(MI_NOOP); /* pad to quadword */ ADVANCE_LP_RING(); } @@ -169,9 +174,13 @@ void I830EmitFlush(ScrnInfoPtr pScrn) { I830Ptr pI830 = I830PTR(pScrn); + int flags = MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE; + + if (IS_I965G(pI830)) + flags = 0; BEGIN_LP_RING(2); - OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE); + OUT_RING(MI_FLUSH | flags); OUT_RING(MI_NOOP); /* pad to quadword */ ADVANCE_LP_RING(); } @@ -233,4 +242,3 @@ I830AccelInit(ScreenPtr pScreen) #endif return FALSE; } - |