From: Ville Syrjälä <ville.syrj...@linux.intel.com> Shuffle some PLL functions around a bit to avoid ugle forward declarations later on. No functional changes.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com> --- drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 176 +++++++++--------- 1 file changed, 88 insertions(+), 88 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index ddae7e42ac46..bfccc96f16fe 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -905,37 +905,6 @@ hsw_ddi_calculate_wrpll(int clock /* in Hz */, *r2_out = best.r2; } -static int -hsw_ddi_wrpll_compute_dpll(struct intel_atomic_state *state, - struct intel_crtc *crtc) -{ - struct intel_crtc_state *crtc_state = - intel_atomic_get_new_crtc_state(state, crtc); - unsigned int p, n2, r2; - - hsw_ddi_calculate_wrpll(crtc_state->port_clock * 1000, &r2, &n2, &p); - - crtc_state->dpll_hw_state.wrpll = - WRPLL_PLL_ENABLE | WRPLL_REF_LCPLL | - WRPLL_DIVIDER_REFERENCE(r2) | WRPLL_DIVIDER_FEEDBACK(n2) | - WRPLL_DIVIDER_POST(p); - - return 0; -} - -static struct intel_shared_dpll * -hsw_ddi_wrpll_get_dpll(struct intel_atomic_state *state, - struct intel_crtc *crtc) -{ - struct intel_crtc_state *crtc_state = - intel_atomic_get_new_crtc_state(state, crtc); - - return intel_find_shared_dpll(state, crtc, - &crtc_state->dpll_hw_state, - BIT(DPLL_ID_WRPLL2) | - BIT(DPLL_ID_WRPLL1)); -} - static int hsw_ddi_wrpll_get_freq(struct drm_i915_private *dev_priv, const struct intel_shared_dpll *pll, const struct intel_dpll_hw_state *pll_state) @@ -976,6 +945,37 @@ static int hsw_ddi_wrpll_get_freq(struct drm_i915_private *dev_priv, return (refclk * n / 10) / (p * r) * 2; } +static int +hsw_ddi_wrpll_compute_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + unsigned int p, n2, r2; + + hsw_ddi_calculate_wrpll(crtc_state->port_clock * 1000, &r2, &n2, &p); + + crtc_state->dpll_hw_state.wrpll = + WRPLL_PLL_ENABLE | WRPLL_REF_LCPLL | + WRPLL_DIVIDER_REFERENCE(r2) | WRPLL_DIVIDER_FEEDBACK(n2) | + WRPLL_DIVIDER_POST(p); + + return 0; +} + +static struct intel_shared_dpll * +hsw_ddi_wrpll_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + + return intel_find_shared_dpll(state, crtc, + &crtc_state->dpll_hw_state, + BIT(DPLL_ID_WRPLL2) | + BIT(DPLL_ID_WRPLL1)); +} + static int hsw_ddi_lcpll_compute_dpll(struct intel_crtc_state *crtc_state) { @@ -1618,43 +1618,6 @@ skl_ddi_calculate_wrpll(int clock /* in Hz */, return 0; } -static int skl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); - struct skl_wrpll_params wrpll_params = {}; - u32 ctrl1, cfgcr1, cfgcr2; - int ret; - - /* - * See comment in intel_dpll_hw_state to understand why we always use 0 - * as the DPLL id in this function. - */ - ctrl1 = DPLL_CTRL1_OVERRIDE(0); - - ctrl1 |= DPLL_CTRL1_HDMI_MODE(0); - - ret = skl_ddi_calculate_wrpll(crtc_state->port_clock * 1000, - i915->dpll.ref_clks.nssc, &wrpll_params); - if (ret) - return ret; - - cfgcr1 = DPLL_CFGCR1_FREQ_ENABLE | - DPLL_CFGCR1_DCO_FRACTION(wrpll_params.dco_fraction) | - wrpll_params.dco_integer; - - cfgcr2 = DPLL_CFGCR2_QDIV_RATIO(wrpll_params.qdiv_ratio) | - DPLL_CFGCR2_QDIV_MODE(wrpll_params.qdiv_mode) | - DPLL_CFGCR2_KDIV(wrpll_params.kdiv) | - DPLL_CFGCR2_PDIV(wrpll_params.pdiv) | - wrpll_params.central_freq; - - crtc_state->dpll_hw_state.ctrl1 = ctrl1; - crtc_state->dpll_hw_state.cfgcr1 = cfgcr1; - crtc_state->dpll_hw_state.cfgcr2 = cfgcr2; - - return 0; -} - static int skl_ddi_wrpll_get_freq(struct drm_i915_private *i915, const struct intel_shared_dpll *pll, const struct intel_dpll_hw_state *pll_state) @@ -1726,6 +1689,43 @@ static int skl_ddi_wrpll_get_freq(struct drm_i915_private *i915, return dco_freq / (p0 * p1 * p2 * 5); } +static int skl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); + struct skl_wrpll_params wrpll_params = {}; + u32 ctrl1, cfgcr1, cfgcr2; + int ret; + + /* + * See comment in intel_dpll_hw_state to understand why we always use 0 + * as the DPLL id in this function. + */ + ctrl1 = DPLL_CTRL1_OVERRIDE(0); + + ctrl1 |= DPLL_CTRL1_HDMI_MODE(0); + + ret = skl_ddi_calculate_wrpll(crtc_state->port_clock * 1000, + i915->dpll.ref_clks.nssc, &wrpll_params); + if (ret) + return ret; + + cfgcr1 = DPLL_CFGCR1_FREQ_ENABLE | + DPLL_CFGCR1_DCO_FRACTION(wrpll_params.dco_fraction) | + wrpll_params.dco_integer; + + cfgcr2 = DPLL_CFGCR2_QDIV_RATIO(wrpll_params.qdiv_ratio) | + DPLL_CFGCR2_QDIV_MODE(wrpll_params.qdiv_mode) | + DPLL_CFGCR2_KDIV(wrpll_params.kdiv) | + DPLL_CFGCR2_PDIV(wrpll_params.pdiv) | + wrpll_params.central_freq; + + crtc_state->dpll_hw_state.ctrl1 = ctrl1; + crtc_state->dpll_hw_state.cfgcr1 = cfgcr1; + crtc_state->dpll_hw_state.cfgcr2 = cfgcr2; + + return 0; +} + static int skl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) { @@ -2245,26 +2245,6 @@ static int bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state, return 0; } -static int -bxt_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) -{ - struct dpll clk_div = {}; - - bxt_ddi_dp_pll_dividers(crtc_state, &clk_div); - - return bxt_ddi_set_dpll_hw_state(crtc_state, &clk_div); -} - -static int -bxt_ddi_hdmi_set_dpll_hw_state(struct intel_crtc_state *crtc_state) -{ - struct dpll clk_div = {}; - - bxt_ddi_hdmi_pll_dividers(crtc_state, &clk_div); - - return bxt_ddi_set_dpll_hw_state(crtc_state, &clk_div); -} - static int bxt_ddi_pll_get_freq(struct drm_i915_private *i915, const struct intel_shared_dpll *pll, const struct intel_dpll_hw_state *pll_state) @@ -2282,6 +2262,26 @@ static int bxt_ddi_pll_get_freq(struct drm_i915_private *i915, return chv_calc_dpll_params(i915->dpll.ref_clks.nssc, &clock); } +static int +bxt_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) +{ + struct dpll clk_div = {}; + + bxt_ddi_dp_pll_dividers(crtc_state, &clk_div); + + return bxt_ddi_set_dpll_hw_state(crtc_state, &clk_div); +} + +static int +bxt_ddi_hdmi_set_dpll_hw_state(struct intel_crtc_state *crtc_state) +{ + struct dpll clk_div = {}; + + bxt_ddi_hdmi_pll_dividers(crtc_state, &clk_div); + + return bxt_ddi_set_dpll_hw_state(crtc_state, &clk_div); +} + static int bxt_compute_dpll(struct intel_atomic_state *state, struct intel_crtc *crtc, struct intel_encoder *encoder) -- 2.35.1