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| author | Jani Nikula <jani.nikula@intel.com> | 2021-08-25 18:47:48 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2021-08-27 11:43:36 +0300 |
| commit | 0ce298258200f11e5c94067b56d45b4d76277bb2 (patch) | |
| tree | 15475bf78048f12121d52f67b2f183e5caadaa86 /drivers/gpu/drm/i915/display/intel_fdi.c | |
| parent | 13d696743c8e87eacb07ef5c42859d8bd1a9f7bb (diff) | |
| download | linux-0ce298258200f11e5c94067b56d45b4d76277bb2.tar.gz linux-0ce298258200f11e5c94067b56d45b4d76277bb2.tar.bz2 linux-0ce298258200f11e5c94067b56d45b4d76277bb2.zip | |
drm/i915/fdi: move intel_update_fdi_pll_freq to intel_fdi.c
Move FDI related functions to intel_fdi.c. Rename to have intel_fdi
prefix while at it.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/da1609dfce4623f8ec86254aea6c2c8679b6a37f.1629906431.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fdi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fdi.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fdi.c b/drivers/gpu/drm/i915/display/intel_fdi.c index 13f8ba4c9188..88a78dafd54d 100644 --- a/drivers/gpu/drm/i915/display/intel_fdi.c +++ b/drivers/gpu/drm/i915/display/intel_fdi.c @@ -95,6 +95,22 @@ static int ilk_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, } } +void intel_fdi_pll_freq_update(struct drm_i915_private *i915) +{ + if (IS_IRONLAKE(i915)) { + u32 fdi_pll_clk = + intel_de_read(i915, FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK; + + i915->fdi_pll_freq = (fdi_pll_clk + 2) * 10000; + } else if (IS_SANDYBRIDGE(i915) || IS_IVYBRIDGE(i915)) { + i915->fdi_pll_freq = 270000; + } else { + return; + } + + drm_dbg(&i915->drm, "FDI PLL freq=%d\n", i915->fdi_pll_freq); +} + int intel_fdi_link_freq(struct drm_i915_private *i915, const struct intel_crtc_state *pipe_config) { |