diff options
| author | Imre Deak <imre.deak@intel.com> | 2017-05-10 12:21:47 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2017-05-10 13:47:37 +0300 |
| commit | ed58570f55e2c57553161413881c7947f0952b5c (patch) | |
| tree | 83afc9fdac003e9c49d5c33a05f03f0e304cdc79 /drivers/gpu | |
| parent | 48de568c644c5b5a9307c92b13c53811c5a93999 (diff) | |
| download | linux-ed58570f55e2c57553161413881c7947f0952b5c.tar.bz2 | |
drm/i915/vlv: Fix port B PLL opamp initialization
The current code looks like a typo, the specification calls for setting
bits 31:24 to 0x8C, while preserving bits 23:0. Fix things accordingly.
I'm not aware of the typo causing a real problem, so the fix is only for
consistency.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1494408113-379-1-git-send-email-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 85b9e2f521a0..19a7a1e183cb 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6369,8 +6369,8 @@ static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); - reg_val &= 0x8cffffff; - reg_val = 0x8c000000; + reg_val &= 0x00ffffff; + reg_val |= 0x8c000000; vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |