diff options
| author |   Alex Deucher <alexdeucher@gmail.com> | 2010-01-12 17:54:34 -0500 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2010-02-09 09:44:02 +1000 |
| commit | bcc1c2a1d22974215e39dc87ce746ba9a39223e5 (patch) | |
| tree | 62ae9dfab266202240307fc3998806c1d4655552 /drivers/gpu/drm/radeon/radeon_clocks.c | |
| parent | drm/radeon/kms: update atombios.h to latest upstream. (diff) | |
| download | linux-dev-bcc1c2a1d22974215e39dc87ce746ba9a39223e5.tar.xz linux-dev-bcc1c2a1d22974215e39dc87ce746ba9a39223e5.zip | |
drm/radeon/kms: add initial Evergreen support (Radeon HD 5xxx)
This adds initial Evergreen KMS support, it doesn't include
any acceleration features or interrupt handling yet.
Major changes are DCE4 handling for PLLs for the > 2 crtcs.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_clocks.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_clocks.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_clocks.c b/drivers/gpu/drm/radeon/radeon_clocks.c index 3ec94a0d3109..f64936cc4dd9 100644 --- a/drivers/gpu/drm/radeon/radeon_clocks.c +++ b/drivers/gpu/drm/radeon/radeon_clocks.c @@ -96,6 +96,7 @@ void radeon_get_clock_info(struct drm_device *dev) struct radeon_device *rdev = dev->dev_private; struct radeon_pll *p1pll = &rdev->clock.p1pll; struct radeon_pll *p2pll = &rdev->clock.p2pll; + struct radeon_pll *dcpll = &rdev->clock.dcpll; struct radeon_pll *spll = &rdev->clock.spll; struct radeon_pll *mpll = &rdev->clock.mpll; int ret; @@ -204,6 +205,17 @@ void radeon_get_clock_info(struct drm_device *dev) p2pll->max_frac_feedback_div = 0; } + /* dcpll is DCE4 only */ + dcpll->min_post_div = 2; + dcpll->max_post_div = 0x7f; + dcpll->min_frac_feedback_div = 0; + dcpll->max_frac_feedback_div = 9; + dcpll->min_ref_div = 2; + dcpll->max_ref_div = 0x3ff; + dcpll->min_feedback_div = 4; + dcpll->max_feedback_div = 0xfff; + dcpll->best_vco = 0; + p1pll->min_ref_div = 2; p1pll->max_ref_div = 0x3ff; p1pll->min_feedback_div = 4; |