openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/radeon: fix pixcache and purge/cache flushing registers 

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2008-05-28 11:51:12 +10:00 committed by Dave Airlie
parent d7463eb41d
commit 259434accc
3 changed files with 64 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/char/drm/r300_reg.h
View File

@ -1346,7 +1346,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
/* Guess by Vladimir.
* Set to 0A before 3D operations, set to 02 afterwards.
*/
#define R300_RB3D_DSTCACHE_CTLSTAT 0x4E4C
/*#define R300_RB3D_DSTCACHE_CTLSTAT 0x4E4C*/
# define R300_RB3D_DSTCACHE_UNKNOWN_02 0x00000002
# define R300_RB3D_DSTCACHE_UNKNOWN_0A 0x0000000A

36
drivers/char/drm/radeon_cp.c
View File

@ -161,16 +161,36 @@ static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
tmp |= RADEON_RB3D_DC_FLUSH_ALL;
RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {
tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
tmp |= RADEON_RB3D_DC_FLUSH_ALL;
RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
for (i = 0; i < dev_priv->usec_timeout; i++) {
if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT)
& RADEON_RB3D_DC_BUSY)) {
return 0;
for (i = 0; i < dev_priv->usec_timeout; i++) {
if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT)
& RADEON_RB3D_DC_BUSY)) {
return 0;
}
DRM_UDELAY(1);
}
} else {
/* 3D */
tmp = RADEON_READ(R300_RB3D_DSTCACHE_CTLSTAT);
tmp |= RADEON_RB3D_DC_FLUSH_ALL;
RADEON_WRITE(R300_RB3D_DSTCACHE_CTLSTAT, tmp);
/* 2D */
tmp = RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT);
tmp |= RADEON_RB3D_DC_FLUSH_ALL;
RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
for (i = 0; i < dev_priv->usec_timeout; i++) {
if (!(RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT)
& RADEON_RB3D_DC_BUSY)) {
return 0;
}
DRM_UDELAY(1);
}
DRM_UDELAY(1);
}
#if RADEON_FIFO_DEBUG

43
drivers/char/drm/radeon_drv.h
View File

@ -659,11 +659,18 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev,
# define RADEON_RB3D_ZC_FREE (1 << 2)
# define RADEON_RB3D_ZC_FLUSH_ALL 0x5
# define RADEON_RB3D_ZC_BUSY (1 << 31)
#define R300_ZB_ZCACHE_CTLSTAT 0x4f18
# define R300_ZC_FLUSH (1 << 0)
# define R300_ZC_FREE (1 << 1)
# define R300_ZC_FLUSH_ALL 0x3
# define R300_ZC_BUSY (1 << 31)
#define RADEON_RB3D_DSTCACHE_CTLSTAT 0x325c
# define RADEON_RB3D_DC_FLUSH (3 << 0)
# define RADEON_RB3D_DC_FREE (3 << 2)
# define RADEON_RB3D_DC_FLUSH_ALL 0xf
# define RADEON_RB3D_DC_BUSY (1 << 31)
#define R300_RB3D_DSTCACHE_CTLSTAT 0x4e4c
# define R300_RB3D_DC_FINISH (1 << 4)
#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c
# define RADEON_Z_TEST_MASK (7 << 4)
# define RADEON_Z_TEST_ALWAYS (7 << 4)
@ -1178,23 +1185,43 @@ do { \
} while (0)
#define RADEON_FLUSH_CACHE() do { \
OUT_RING( CP_PACKET0( RADEON_RB3D_DSTCACHE_CTLSTAT, 0 ) ); \
OUT_RING( RADEON_RB3D_DC_FLUSH ); \
if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) { \
OUT_RING(CP_PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0)); \
OUT_RING(RADEON_RB3D_DC_FLUSH); \
} else { \
OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); \
OUT_RING(RADEON_RB3D_DC_FLUSH); \
} \
} while (0)
#define RADEON_PURGE_CACHE() do { \
OUT_RING( CP_PACKET0( RADEON_RB3D_DSTCACHE_CTLSTAT, 0 ) ); \
OUT_RING( RADEON_RB3D_DC_FLUSH_ALL ); \
if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) { \
OUT_RING(CP_PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0)); \
OUT_RING(RADEON_RB3D_DC_FLUSH_ALL); \
} else { \
OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); \
OUT_RING(RADEON_RB3D_DC_FLUSH_ALL); \
} \
} while (0)
#define RADEON_FLUSH_ZCACHE() do { \
OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) ); \
OUT_RING( RADEON_RB3D_ZC_FLUSH ); \
if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) { \
OUT_RING(CP_PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0)); \
OUT_RING(RADEON_RB3D_ZC_FLUSH); \
} else { \
OUT_RING(CP_PACKET0(R300_ZB_ZCACHE_CTLSTAT, 0)); \
OUT_RING(R300_ZC_FLUSH); \
} \
} while (0)
#define RADEON_PURGE_ZCACHE() do { \
OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) ); \
OUT_RING( RADEON_RB3D_ZC_FLUSH_ALL ); \
if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) { \
OUT_RING(CP_PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0)); \
OUT_RING(RADEON_RB3D_ZC_FLUSH_ALL); \
} else { \
OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); \
OUT_RING(R300_ZC_FLUSH_ALL); \
} \
} while (0)
/* ================================================================