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Diffstat (limited to 'drivers/video/aty/radeonfb.h')
-rw-r--r--drivers/video/aty/radeonfb.h33
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/video/aty/radeonfb.h b/drivers/video/aty/radeonfb.h
index ccbfffd1280..3ea1b00fdd2 100644
--- a/drivers/video/aty/radeonfb.h
+++ b/drivers/video/aty/radeonfb.h
@@ -53,6 +53,7 @@ enum radeon_family {
CHIP_FAMILY_RV380, /* RV370/RV380/M22/M24 */
CHIP_FAMILY_R420, /* R420/R423/M18 */
CHIP_FAMILY_RC410,
+ CHIP_FAMILY_RS400,
CHIP_FAMILY_RS480,
CHIP_FAMILY_LAST,
};
@@ -533,33 +534,39 @@ static inline u32 radeon_get_dstbpp(u16 depth)
/*
* 2D Engine helper routines
*/
-static inline void radeon_engine_flush (struct radeonfb_info *rinfo)
+
+static inline void _radeon_fifo_wait(struct radeonfb_info *rinfo, int entries)
{
int i;
- /* initiate flush */
- OUTREGP(RB2D_DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL,
- ~RB2D_DC_FLUSH_ALL);
-
- for (i=0; i < 2000000; i++) {
- if (!(INREG(RB2D_DSTCACHE_CTLSTAT) & RB2D_DC_BUSY))
+ for (i=0; i<2000000; i++) {
+ if ((INREG(RBBM_STATUS) & 0x7f) >= entries)
return;
udelay(1);
}
- printk(KERN_ERR "radeonfb: Flush Timeout !\n");
+ printk(KERN_ERR "radeonfb: FIFO Timeout !\n");
}
-
-static inline void _radeon_fifo_wait(struct radeonfb_info *rinfo, int entries)
+static inline void radeon_engine_flush (struct radeonfb_info *rinfo)
{
int i;
- for (i=0; i<2000000; i++) {
- if ((INREG(RBBM_STATUS) & 0x7f) >= entries)
+ /* Initiate flush */
+ OUTREGP(DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL,
+ ~RB2D_DC_FLUSH_ALL);
+
+ /* Ensure FIFO is empty, ie, make sure the flush commands
+ * has reached the cache
+ */
+ _radeon_fifo_wait (rinfo, 64);
+
+ /* Wait for the flush to complete */
+ for (i=0; i < 2000000; i++) {
+ if (!(INREG(DSTCACHE_CTLSTAT) & RB2D_DC_BUSY))
return;
udelay(1);
}
- printk(KERN_ERR "radeonfb: FIFO Timeout !\n");
+ printk(KERN_ERR "radeonfb: Flush Timeout !\n");
}