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authorAlex Deucher <alexdeucher@gmail.com>2010-01-12 17:54:34 -0500
committerDave Airlie <airlied@redhat.com>2010-02-09 09:44:02 +1000
commitbcc1c2a1d22974215e39dc87ce746ba9a39223e5 (patch)
tree62ae9dfab266202240307fc3998806c1d4655552 /drivers/gpu/drm/radeon/radeon_clocks.c
parente97bd974448ce90f8e4720499d84580bcd6a2f7a (diff)
downloadop-kernel-dev-bcc1c2a1d22974215e39dc87ce746ba9a39223e5.zip
op-kernel-dev-bcc1c2a1d22974215e39dc87ce746ba9a39223e5.tar.gz
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.c12
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 3ec94a0..f64936c 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;
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