diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_clocks.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_clocks.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_clocks.c b/drivers/gpu/drm/radeon/radeon_clocks.c index 812f24dbc2a..f64936cc4dd 100644 --- a/drivers/gpu/drm/radeon/radeon_clocks.c +++ b/drivers/gpu/drm/radeon/radeon_clocks.c @@ -56,7 +56,7 @@ uint32_t radeon_legacy_get_engine_clock(struct radeon_device *rdev) else if (post_div == 3) sclk >>= 2; else if (post_div == 4) - sclk >>= 4; + sclk >>= 3; return sclk; } @@ -86,7 +86,7 @@ uint32_t radeon_legacy_get_memory_clock(struct radeon_device *rdev) else if (post_div == 3) mclk >>= 2; else if (post_div == 4) - mclk >>= 4; + mclk >>= 3; return mclk; } @@ -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; @@ -846,8 +858,10 @@ int radeon_static_clocks_init(struct drm_device *dev) /* XXX make sure engine is idle */ if (radeon_dynclks != -1) { - if (radeon_dynclks) - radeon_set_clock_gating(rdev, 1); + if (radeon_dynclks) { + if (rdev->asic->set_clock_gating) + radeon_set_clock_gating(rdev, 1); + } } radeon_apply_clock_quirks(rdev); return 0; |