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drm/i915/fdi: move intel_update_fdi_pll_freq to intel_fdi.c

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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
This commit is contained in:
Jani Nikula
2021-08-25 18:47:48 +03:00
parent 13d696743c
commit 0ce2982582
3 changed files with 18 additions and 17 deletions
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18
drivers/gpu/drm/i915/display/intel_display.c
View File

@@ -11546,22 +11546,6 @@ fail:
drm_modeset_acquire_fini(&ctx);
}
static void intel_update_fdi_pll_freq(struct drm_i915_private *dev_priv)
{
if (IS_IRONLAKE(dev_priv)) {
u32 fdi_pll_clk =
intel_de_read(dev_priv, FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK;
dev_priv->fdi_pll_freq = (fdi_pll_clk + 2) * 10000;
} else if (IS_SANDYBRIDGE(dev_priv) || IS_IVYBRIDGE(dev_priv)) {
dev_priv->fdi_pll_freq = 270000;
} else {
return;
}
drm_dbg(&dev_priv->drm, "FDI PLL freq=%d\n", dev_priv->fdi_pll_freq);
}
static int intel_initial_commit(struct drm_device *dev)
{
struct drm_atomic_state *state = NULL;
@@ -11815,7 +11799,7 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915)
intel_plane_possible_crtcs_init(i915);
intel_shared_dpll_init(dev);
intel_update_fdi_pll_freq(i915);
intel_fdi_pll_freq_update(i915);
intel_update_czclk(i915);
intel_modeset_init_hw(i915);

16
drivers/gpu/drm/i915/display/intel_fdi.c
View File

@@ -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)
{

1
drivers/gpu/drm/i915/display/intel_fdi.h
View File

@@ -23,5 +23,6 @@ void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state);
void intel_fdi_init_hook(struct drm_i915_private *dev_priv);
void hsw_fdi_link_train(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_fdi_pll_freq_update(struct drm_i915_private *i915);
#endif