diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-08-20 03:11:39 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-08-21 13:10:30 +0400 |
| commit | f779b3e513478218cbaaaa0a506d7801cab6fd14 (patch) | |
| tree | 977258791900e68ed2fbcd78d631c22f4185e48a /drivers/gpu/drm/radeon/radeon_cp.c | |
| parent | 17782d99502851dc7e48114ee9c5a6d6741cba18 (diff) | |
| download | linux-f779b3e513478218cbaaaa0a506d7801cab6fd14.tar.xz | |
drm/radeon: add GET_PARAM/INFO support for Z pipes
Needed for occlusion queries on rv530 chips.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cp.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index d8356827ef17..7a52c461145c 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -406,6 +406,15 @@ static void radeon_init_pipes(drm_radeon_private_t *dev_priv) { uint32_t gb_tile_config, gb_pipe_sel = 0; + if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) { + uint32_t z_pipe_sel = RADEON_READ(RV530_GB_PIPE_SELECT2); + if ((z_pipe_sel & 3) == 3) + dev_priv->num_z_pipes = 2; + else + dev_priv->num_z_pipes = 1; + } else + dev_priv->num_z_pipes = 1; + /* RS4xx/RS6xx/R4xx/R5xx */ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R420) { gb_pipe_sel = RADEON_READ(R400_GB_PIPE_SELECT); |