On Sat, 20 Oct 2012 20:57:45 +0200 Daniel Vetter <[email protected]> wrote:
> That thing has grown way too big already. > > Also move around a comment to the right spot. > > Signed-off-by: Daniel Vetter <[email protected]> > --- > drivers/gpu/drm/i915/intel_dp.c | 223 > +++++++++++++++++++++------------------- > 1 file changed, 115 insertions(+), 108 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c > index 971c4e4..b9b9d08 100644 > --- a/drivers/gpu/drm/i915/intel_dp.c > +++ b/drivers/gpu/drm/i915/intel_dp.c > @@ -2576,6 +2576,118 @@ intel_dp_add_properties(struct intel_dp *intel_dp, > struct drm_connector *connect > intel_attach_broadcast_rgb_property(connector); > } > > +static void > +intel_dp_init_panel_power_sequencer(struct drm_device *dev, > + struct intel_dp *intel_dp) > +{ > + struct drm_i915_private *dev_priv = dev->dev_private; > + struct edp_power_seq cur, vbt, spec, final; > + u32 pp_on, pp_off, pp_div, pp; > + > + /* Workaround: Need to write PP_CONTROL with the unlock key as > + * the very first thing. */ > + pp = ironlake_get_pp_control(dev_priv); > + I915_WRITE(PCH_PP_CONTROL, pp); > + > + pp_on = I915_READ(PCH_PP_ON_DELAYS); > + pp_off = I915_READ(PCH_PP_OFF_DELAYS); > + pp_div = I915_READ(PCH_PP_DIVISOR); > + > + /* Pull timing values out of registers */ > + cur.t1_t3 = (pp_on & PANEL_POWER_UP_DELAY_MASK) >> > + PANEL_POWER_UP_DELAY_SHIFT; > + > + cur.t8 = (pp_on & PANEL_LIGHT_ON_DELAY_MASK) >> > + PANEL_LIGHT_ON_DELAY_SHIFT; > + > + cur.t9 = (pp_off & PANEL_LIGHT_OFF_DELAY_MASK) >> > + PANEL_LIGHT_OFF_DELAY_SHIFT; > + > + cur.t10 = (pp_off & PANEL_POWER_DOWN_DELAY_MASK) >> > + PANEL_POWER_DOWN_DELAY_SHIFT; > + > + cur.t11_t12 = ((pp_div & PANEL_POWER_CYCLE_DELAY_MASK) >> > + PANEL_POWER_CYCLE_DELAY_SHIFT) * 1000; > + > + DRM_DEBUG_KMS("cur t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n", > + cur.t1_t3, cur.t8, cur.t9, cur.t10, cur.t11_t12); > + > + vbt = dev_priv->edp.pps; > + > + /* Upper limits from eDP 1.3 spec. Note that we the clunky units > + * of our hw here, which are all in 100usec. */ > + spec.t1_t3 = 210 * 10; > + spec.t8 = 50 * 10; /* no limit for t8, use t7 instead */ > + spec.t9 = 50 * 10; /* no limit for t9, make it symmetric with t8 */ > + spec.t10 = 500 * 10; > + /* This one is special and actually in units of 100ms, but zero > + * based in the hw (so we need to add 100 ms). But the sw vbt > + * table multiplies it with 1000 to make it in units of 100usec, > + * too. */ > + spec.t11_t12 = (510 + 100) * 10; > + > + DRM_DEBUG_KMS("vbt t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n", > + vbt.t1_t3, vbt.t8, vbt.t9, vbt.t10, vbt.t11_t12); > + > + /* Use the max of the register setttings and vbt. If both are > + * unset, fall back to the spec limits. */ > +#define assign_final(field) final.field = (max(cur.field, vbt.field) == 0 ? > \ > + spec.field : \ > + max(cur.field, vbt.field)) > + assign_final(t1_t3); > + assign_final(t8); > + assign_final(t9); > + assign_final(t10); > + assign_final(t11_t12); > +#undef assign_final > + > +#define get_delay(field) (DIV_ROUND_UP(final.field, 10)) > + intel_dp->panel_power_up_delay = get_delay(t1_t3); > + intel_dp->backlight_on_delay = get_delay(t8); > + intel_dp->backlight_off_delay = get_delay(t9); > + intel_dp->panel_power_down_delay = get_delay(t10); > + intel_dp->panel_power_cycle_delay = get_delay(t11_t12); > +#undef get_delay > + > + /* And finally store the new values in the power sequencer. */ > + pp_on = (final.t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) | > + (final.t8 << PANEL_LIGHT_ON_DELAY_SHIFT); > + pp_off = (final.t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) | > + (final.t10 << PANEL_POWER_DOWN_DELAY_SHIFT); > + /* Compute the divisor for the pp clock, simply match the Bspec > + * formula. */ > + pp_div = ((100 * intel_pch_rawclk(dev))/2 - 1) > + << PP_REFERENCE_DIVIDER_SHIFT; > + pp_div |= (DIV_ROUND_UP(final.t11_t12, 1000) > + << PANEL_POWER_CYCLE_DELAY_SHIFT); > + > + /* Haswell doesn't have any port selection bits for the panel > + * power sequence any more. */ > + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { > + if (is_cpu_edp(intel_dp)) > + pp_on |= PANEL_POWER_PORT_DP_A; > + else > + pp_on |= PANEL_POWER_PORT_DP_D; > + } > + > + I915_WRITE(PCH_PP_ON_DELAYS, pp_on); > + I915_WRITE(PCH_PP_OFF_DELAYS, pp_off); > + I915_WRITE(PCH_PP_DIVISOR, pp_div); > + > + > + DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power > cycle delay %d\n", > + intel_dp->panel_power_up_delay, > intel_dp->panel_power_down_delay, > + intel_dp->panel_power_cycle_delay); > + > + DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n", > + intel_dp->backlight_on_delay, > intel_dp->backlight_off_delay); > + > + DRM_DEBUG_KMS("panel power sequencer register settings: PP_ON %#x, > PP_OFF %#x, PP_DIV %#x\n", > + I915_READ(PCH_PP_ON_DELAYS), > + I915_READ(PCH_PP_OFF_DELAYS), > + I915_READ(PCH_PP_DIVISOR)); > +} > + > void > intel_dp_init(struct drm_device *dev, int output_reg, enum port port) > { > @@ -2674,117 +2786,12 @@ intel_dp_init(struct drm_device *dev, int > output_reg, enum port port) > break; > } > > - /* Cache some DPCD data in the eDP case */ > - if (is_edp(intel_dp)) { > - struct edp_power_seq cur, vbt, spec, final; > - u32 pp_on, pp_off, pp_div, pp; > - > - /* Workaround: Need to write PP_CONTROL with the unlock key as > - * the very first thing. */ > - pp = ironlake_get_pp_control(dev_priv); > - I915_WRITE(PCH_PP_CONTROL, pp); > - > - pp_on = I915_READ(PCH_PP_ON_DELAYS); > - pp_off = I915_READ(PCH_PP_OFF_DELAYS); > - pp_div = I915_READ(PCH_PP_DIVISOR); > - > - /* Pull timing values out of registers */ > - cur.t1_t3 = (pp_on & PANEL_POWER_UP_DELAY_MASK) >> > - PANEL_POWER_UP_DELAY_SHIFT; > - > - cur.t8 = (pp_on & PANEL_LIGHT_ON_DELAY_MASK) >> > - PANEL_LIGHT_ON_DELAY_SHIFT; > - > - cur.t9 = (pp_off & PANEL_LIGHT_OFF_DELAY_MASK) >> > - PANEL_LIGHT_OFF_DELAY_SHIFT; > - > - cur.t10 = (pp_off & PANEL_POWER_DOWN_DELAY_MASK) >> > - PANEL_POWER_DOWN_DELAY_SHIFT; > - > - cur.t11_t12 = ((pp_div & PANEL_POWER_CYCLE_DELAY_MASK) >> > - PANEL_POWER_CYCLE_DELAY_SHIFT) * 1000; > - > - DRM_DEBUG_KMS("cur t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n", > - cur.t1_t3, cur.t8, cur.t9, cur.t10, cur.t11_t12); > - > - vbt = dev_priv->edp.pps; > - > - /* Upper limits from eDP 1.3 spec. Note that we the clunky units > - * of our hw here, which are all in 100usec. */ > - spec.t1_t3 = 210 * 10; > - spec.t8 = 50 * 10; /* no limit for t8, use t7 instead */ > - spec.t9 = 50 * 10; /* no limit for t9, make it symmetric with > t8 */ > - spec.t10 = 500 * 10; > - /* This one is special and actually in units of 100ms, but zero > - * based in the hw (so we need to add 100 ms). But the sw vbt > - * table multiplies it with 1000 to make it in units of 100usec, > - * too. */ > - spec.t11_t12 = (510 + 100) * 10; > - > - DRM_DEBUG_KMS("vbt t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n", > - vbt.t1_t3, vbt.t8, vbt.t9, vbt.t10, vbt.t11_t12); > - > - /* Use the max of the register setttings and vbt. If both are > - * unset, fall back to the spec limits. */ > -#define assign_final(field) final.field = (max(cur.field, vbt.field) == 0 ? > \ > - spec.field : \ > - max(cur.field, vbt.field)) > - assign_final(t1_t3); > - assign_final(t8); > - assign_final(t9); > - assign_final(t10); > - assign_final(t11_t12); > -#undef assign_final > - > -#define get_delay(field) (DIV_ROUND_UP(final.field, 10)) > - intel_dp->panel_power_up_delay = get_delay(t1_t3); > - intel_dp->backlight_on_delay = get_delay(t8); > - intel_dp->backlight_off_delay = get_delay(t9); > - intel_dp->panel_power_down_delay = get_delay(t10); > - intel_dp->panel_power_cycle_delay = get_delay(t11_t12); > -#undef get_delay > - > - /* And finally store the new values in the power sequencer. */ > - pp_on = (final.t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) | > - (final.t8 << PANEL_LIGHT_ON_DELAY_SHIFT); > - pp_off = (final.t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) | > - (final.t10 << PANEL_POWER_DOWN_DELAY_SHIFT); > - /* Compute the divisor for the pp clock, simply match the Bspec > - * formula. */ > - pp_div = ((100 * intel_pch_rawclk(dev))/2 - 1) > - << PP_REFERENCE_DIVIDER_SHIFT; > - pp_div |= (DIV_ROUND_UP(final.t11_t12, 1000) > - << PANEL_POWER_CYCLE_DELAY_SHIFT); > - > - /* Haswell doesn't have any port selection bits for the panel > - * power sequence any more. */ > - if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { > - if (is_cpu_edp(intel_dp)) > - pp_on |= PANEL_POWER_PORT_DP_A; > - else > - pp_on |= PANEL_POWER_PORT_DP_D; > - } > - > - I915_WRITE(PCH_PP_ON_DELAYS, pp_on); > - I915_WRITE(PCH_PP_OFF_DELAYS, pp_off); > - I915_WRITE(PCH_PP_DIVISOR, pp_div); > - > - > - DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, > power cycle delay %d\n", > - intel_dp->panel_power_up_delay, > intel_dp->panel_power_down_delay, > - intel_dp->panel_power_cycle_delay); > - > - DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n", > - intel_dp->backlight_on_delay, > intel_dp->backlight_off_delay); > - > - DRM_DEBUG_KMS("panel power sequencer register settings: PP_ON > %#x, PP_OFF %#x, PP_DIV %#x\n", > - I915_READ(PCH_PP_ON_DELAYS), > - I915_READ(PCH_PP_OFF_DELAYS), > - I915_READ(PCH_PP_DIVISOR)); > - } > + if (is_edp(intel_dp)) > + intel_dp_init_panel_power_sequencer(dev, intel_dp); > > intel_dp_i2c_init(intel_dp, intel_connector, name); > > + /* Cache DPCD and EDID for edp. */ > if (is_edp(intel_dp)) { > bool ret; > struct edid *edid; Yay. Reviewed-by: Jesse Barnes <[email protected]> -- Jesse Barnes, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
