diff options
| author | Jeff Hartmann <jhartmann@valinux.com> | 2001-02-20 20:16:56 +0000 |
|---|---|---|
| committer | Jeff Hartmann <jhartmann@valinux.com> | 2001-02-20 20:16:56 +0000 |
| commit | 43f1a52a564812d814c8a5f92b95fc6d3b589200 (patch) | |
| tree | 08b80d638cc587be423bf6a0c872341134c3ad77 | |
| parent | 62aa46ccec223aa3660c71ff0981ea035fc2cff9 (diff) | |
Fix some warnings and flush pixel cache in idle routine so readpixels works
correctly
| -rw-r--r-- | linux/mga_dma.c | 19 | ||||
| -rw-r--r-- | linux/mga_drv.h | 4 |
2 files changed, 15 insertions, 8 deletions
diff --git a/linux/mga_dma.c b/linux/mga_dma.c index b1491823..952617c6 100644 --- a/linux/mga_dma.c +++ b/linux/mga_dma.c @@ -56,7 +56,10 @@ int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ) for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK; - if ( status == MGA_ENDPRDMASTS ) return 0; + if ( status == MGA_ENDPRDMASTS ) { + MGA_WRITE8( MGA_CRTC_INDEX, 0 ); + return 0; + } udelay( 1 ); } @@ -269,7 +272,8 @@ static void mga_freelist_print( drm_device_t *dev ) DRM_INFO( "\n" ); DRM_INFO( "current dispatch: last=0x%x done=0x%x\n", dev_priv->sarea_priv->last_dispatch, - *dev_priv->prim.head - dev_priv->primary->offset ); + (unsigned int)(*dev_priv->prim.head - + dev_priv->primary->offset) ); DRM_INFO( "current freelist:\n" ); for ( entry = dev_priv->head->next ; entry ; entry = entry->next ) { @@ -350,7 +354,6 @@ static void mga_freelist_cleanup( drm_device_t *dev ) static void mga_freelist_reset( drm_device_t *dev ) { drm_device_dma_t *dma = dev->dma; - drm_mga_private_t *dev_priv = dev->dev_private; drm_buf_t *buf; drm_mga_buf_priv_t *buf_priv; int i; @@ -408,15 +411,17 @@ int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ) dev_priv->primary->offset, buf_priv->list_entry->age.wrap ); - if ( buf_priv->list_entry->age.head == MGA_BUFFER_USED ) { - SET_AGE( &next->age, MGA_BUFFER_FREE, 0 ); - } - /* Put buffer on the head + 1, as the head is a sentinal. */ + next = buf_priv->list_entry; head = dev_priv->head; prev = head->next; + + if ( buf_priv->list_entry->age.head == MGA_BUFFER_USED ) { + SET_AGE( &next->age, MGA_BUFFER_FREE, 0 ); + } + head->next = next; prev->prev = next; next->prev = head; diff --git a/linux/mga_drv.h b/linux/mga_drv.h index be7298df..f56186e1 100644 --- a/linux/mga_drv.h +++ b/linux/mga_drv.h @@ -152,7 +152,8 @@ extern int mga_warp_init( drm_device_t *dev ); #define MGA_DEREF( reg ) *(volatile u32 *)MGA_ADDR( reg ) #define MGA_READ( reg ) MGA_DEREF( reg ) #define MGA_WRITE( reg, val ) do { MGA_DEREF( reg ) = val; } while (0) - +#define MGA_DEREF8( reg ) *(volatile u8 *)MGA_ADDR( reg ) +#define MGA_WRITE8( reg, val ) do { MGA_DEREF8( reg ) = val; } while (0) #define DWGREG0 0x1c00 #define DWGREG0_END 0x1dff @@ -316,6 +317,7 @@ do { \ /* A reduced set of the mga registers. */ +#define MGA_CRTC_INDEX 0x1fd4 #define MGA_ALPHACTRL 0x2c7c #define MGA_AR0 0x1c60 |