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

drm/radeon: fixup radeon_do_engine_reset 

Cleanup do engine reset for different chip families.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2008-05-28 11:54:06 +10:00 committed by Dave Airlie
parent 259434accc
commit d396db321b
1 changed files with 24 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/char/drm/radeon_cp.c
View File

@ -418,12 +418,13 @@ static void radeon_do_cp_stop(drm_radeon_private_t * dev_priv)
static int radeon_do_engine_reset(struct drm_device * dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
u32 clock_cntl_index = 0, mclk_cntl = 0, rbbm_soft_reset;
DRM_DEBUG("\n");
radeon_do_pixcache_flush(dev_priv);
if ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV515) {
if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV410) {
/* may need something similar for newer chips */
clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
@ -434,6 +435,7 @@ static int radeon_do_engine_reset(struct drm_device * dev)
RADEON_FORCEON_YCLKB |
RADEON_FORCEON_MC |
RADEON_FORCEON_AIC));
}
rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
@ -456,6 +458,7 @@ static int radeon_do_engine_reset(struct drm_device * dev)
RADEON_SOFT_RESET_RB)));
RADEON_READ(RADEON_RBBM_SOFT_RESET);
if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV410) {
RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);