[Intel-gfx] [PATCH v3 1/3] drm/i915: Turn intel_digital_port_connected() in a vfunc
Imre Deak
imre.deak at intel.com
Thu May 7 08:23:31 UTC 2020
On Thu, May 07, 2020 at 09:56:49AM +0300, Ville Syrjälä wrote:
> On Wed, May 06, 2020 at 06:15:28PM +0300, Imre Deak wrote:
> > On Wed, Mar 11, 2020 at 05:54:20PM +0200, Ville Syrjala wrote:
> > > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > >
> > > Let's get rid of the platform if ladders in
> > > intel_digital_port_connected() and make it a vfunc. Now the if
> > > ladders are at the encoder initialization which makes them a bit
> > > less convoluted.
> > >
> > > v2: Add forward decl for intel_encoder in intel_tc.h
> > > v3: Duplicate stuff to avoid exposing platform specific
> > > functions across files (Jani)
> > >
> > > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >
> > Nice to see the CPU and PCH handlers in their own vfunc:
> > Reviewed-by: Imre Deak <imre.deak at intel.com>
> >
> > nit: Looks like you could've also added mcc_digital_port_connected() for
> > PHY_C.
>
> I suppose. IIRC I originally wrote this before the MCC special
> case was added, and then didn't pay too much attention during the
> rebase. It's all going away in the end though so not sure it's
> worth the hassle to redo this.
Ok, didn't notice that you remove it in patch 3.
> > > ---
> > > drivers/gpu/drm/i915/display/intel_ddi.c | 109 +++++++++++++
> > > .../drm/i915/display/intel_display_types.h | 1 +
> > > drivers/gpu/drm/i915/display/intel_dp.c | 147 +++---------------
> > > drivers/gpu/drm/i915/display/intel_tc.c | 3 +-
> > > drivers/gpu/drm/i915/display/intel_tc.h | 3 +-
> > > 5 files changed, 135 insertions(+), 128 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> > > index 73d0f4648c06..c8ceb08f8d05 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> > > @@ -4343,6 +4343,96 @@ intel_ddi_hotplug(struct intel_encoder *encoder,
> > > return state;
> > > }
> > >
> > > +static bool lpt_digital_port_connected(struct intel_encoder *encoder)
> > > +{
> > > + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > + u32 bit;
> > > +
> > > + switch (encoder->hpd_pin) {
> > > + case HPD_PORT_B:
> > > + bit = SDE_PORTB_HOTPLUG_CPT;
> > > + break;
> > > + case HPD_PORT_C:
> > > + bit = SDE_PORTC_HOTPLUG_CPT;
> > > + break;
> > > + case HPD_PORT_D:
> > > + bit = SDE_PORTD_HOTPLUG_CPT;
> > > + break;
> > > + default:
> > > + MISSING_CASE(encoder->hpd_pin);
> > > + return false;
> > > + }
> > > +
> > > + return intel_de_read(dev_priv, SDEISR) & bit;
> > > +}
> > > +
> > > +static bool spt_digital_port_connected(struct intel_encoder *encoder)
> > > +{
> > > + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > + u32 bit;
> > > +
> > > + switch (encoder->hpd_pin) {
> > > + case HPD_PORT_A:
> > > + bit = SDE_PORTA_HOTPLUG_SPT;
> > > + break;
> > > + case HPD_PORT_E:
> > > + bit = SDE_PORTE_HOTPLUG_SPT;
> > > + break;
> > > + default:
> > > + return lpt_digital_port_connected(encoder);
> > > + }
> > > +
> > > + return intel_de_read(dev_priv, SDEISR) & bit;
> > > +}
> > > +
> > > +static bool hsw_digital_port_connected(struct intel_encoder *encoder)
> > > +{
> > > + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > +
> > > + return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG_IVB;
> > > +}
> > > +
> > > +static bool bdw_digital_port_connected(struct intel_encoder *encoder)
> > > +{
> > > + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > +
> > > + return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & GEN8_PORT_DP_A_HOTPLUG;
> > > +}
> > > +
> > > +static bool bxt_digital_port_connected(struct intel_encoder *encoder)
> > > +{
> > > + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > + u32 bit;
> > > +
> > > + switch (encoder->hpd_pin) {
> > > + case HPD_PORT_A:
> > > + bit = BXT_DE_PORT_HP_DDIA;
> > > + break;
> > > + case HPD_PORT_B:
> > > + bit = BXT_DE_PORT_HP_DDIB;
> > > + break;
> > > + case HPD_PORT_C:
> > > + bit = BXT_DE_PORT_HP_DDIC;
> > > + break;
> > > + default:
> > > + MISSING_CASE(encoder->hpd_pin);
> > > + return false;
> > > + }
> > > +
> > > + return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & bit;
> > > +}
> > > +
> > > +static bool icp_digital_port_connected(struct intel_encoder *encoder)
> > > +{
> > > + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > + enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
> > > +
> > > + if (HAS_PCH_MCC(dev_priv) && phy == PHY_C)
> > > + return intel_de_read(dev_priv, SDEISR) & SDE_TC_HOTPLUG_ICP(PORT_TC1);
> > > +
> > > + return intel_de_read(dev_priv, SDEISR) & SDE_DDI_HOTPLUG_ICP(phy);
> > > +}
> > > +
> > > static struct intel_connector *
> > > intel_ddi_init_hdmi_connector(struct intel_digital_port *intel_dig_port)
> > > {
> > > @@ -4534,6 +4624,25 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> > > port_name(port));
> > > }
> > >
> > > + if (INTEL_GEN(dev_priv) >= 11) {
> > > + if (intel_phy_is_tc(dev_priv, phy))
> > > + intel_dig_port->connected = intel_tc_port_connected;
> > > + else
> > > + intel_dig_port->connected = icp_digital_port_connected;
> > > + } else if (IS_GEN9_LP(dev_priv)) {
> > > + intel_dig_port->connected = bxt_digital_port_connected;
> > > + } else if (port == PORT_A) {
> > > + if (INTEL_GEN(dev_priv) >= 8)
> > > + intel_dig_port->connected = bdw_digital_port_connected;
> > > + else
> > > + intel_dig_port->connected = hsw_digital_port_connected;
> > > + } else {
> > > + if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
> > > + intel_dig_port->connected = spt_digital_port_connected;
> > > + else
> > > + intel_dig_port->connected = lpt_digital_port_connected;
> > > + }
> > > +
> > > intel_infoframe_init(intel_dig_port);
> > >
> > > return;
> > > diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> > > index 5e00e611f077..3aab12f69ff8 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> > > +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> > > @@ -1401,6 +1401,7 @@ struct intel_digital_port {
> > > const struct drm_connector_state *conn_state);
> > > u32 (*infoframes_enabled)(struct intel_encoder *encoder,
> > > const struct intel_crtc_state *pipe_config);
> > > + bool (*connected)(struct intel_encoder *encoder);
> > > };
> > >
> > > struct intel_dp_mst_encoder {
> > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> > > index 0a417cd2af2b..cff14f52c391 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_dp.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> > > @@ -5447,25 +5447,6 @@ static bool cpt_digital_port_connected(struct intel_encoder *encoder)
> > > return intel_de_read(dev_priv, SDEISR) & bit;
> > > }
> > >
> > > -static bool spt_digital_port_connected(struct intel_encoder *encoder)
> > > -{
> > > - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > - u32 bit;
> > > -
> > > - switch (encoder->hpd_pin) {
> > > - case HPD_PORT_A:
> > > - bit = SDE_PORTA_HOTPLUG_SPT;
> > > - break;
> > > - case HPD_PORT_E:
> > > - bit = SDE_PORTE_HOTPLUG_SPT;
> > > - break;
> > > - default:
> > > - return cpt_digital_port_connected(encoder);
> > > - }
> > > -
> > > - return intel_de_read(dev_priv, SDEISR) & bit;
> > > -}
> > > -
> > > static bool g4x_digital_port_connected(struct intel_encoder *encoder)
> > > {
> > > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > @@ -5516,88 +5497,14 @@ static bool ilk_digital_port_connected(struct intel_encoder *encoder)
> > > {
> > > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > >
> > > - if (encoder->hpd_pin == HPD_PORT_A)
> > > - return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG;
> > > - else
> > > - return ibx_digital_port_connected(encoder);
> > > -}
> > > -
> > > -static bool snb_digital_port_connected(struct intel_encoder *encoder)
> > > -{
> > > - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > -
> > > - if (encoder->hpd_pin == HPD_PORT_A)
> > > - return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG;
> > > - else
> > > - return cpt_digital_port_connected(encoder);
> > > + return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG;
> > > }
> > >
> > > static bool ivb_digital_port_connected(struct intel_encoder *encoder)
> > > {
> > > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > >
> > > - if (encoder->hpd_pin == HPD_PORT_A)
> > > - return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG_IVB;
> > > - else
> > > - return cpt_digital_port_connected(encoder);
> > > -}
> > > -
> > > -static bool bdw_digital_port_connected(struct intel_encoder *encoder)
> > > -{
> > > - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > -
> > > - if (encoder->hpd_pin == HPD_PORT_A)
> > > - return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & GEN8_PORT_DP_A_HOTPLUG;
> > > - else
> > > - return cpt_digital_port_connected(encoder);
> > > -}
> > > -
> > > -static bool bxt_digital_port_connected(struct intel_encoder *encoder)
> > > -{
> > > - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > - u32 bit;
> > > -
> > > - switch (encoder->hpd_pin) {
> > > - case HPD_PORT_A:
> > > - bit = BXT_DE_PORT_HP_DDIA;
> > > - break;
> > > - case HPD_PORT_B:
> > > - bit = BXT_DE_PORT_HP_DDIB;
> > > - break;
> > > - case HPD_PORT_C:
> > > - bit = BXT_DE_PORT_HP_DDIC;
> > > - break;
> > > - default:
> > > - MISSING_CASE(encoder->hpd_pin);
> > > - return false;
> > > - }
> > > -
> > > - return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & bit;
> > > -}
> > > -
> > > -static bool intel_combo_phy_connected(struct drm_i915_private *dev_priv,
> > > - enum phy phy)
> > > -{
> > > - if (HAS_PCH_MCC(dev_priv) && phy == PHY_C)
> > > - return intel_de_read(dev_priv, SDEISR) & SDE_TC_HOTPLUG_ICP(PORT_TC1);
> > > -
> > > - return intel_de_read(dev_priv, SDEISR) & SDE_DDI_HOTPLUG_ICP(phy);
> > > -}
> > > -
> > > -static bool icp_digital_port_connected(struct intel_encoder *encoder)
> > > -{
> > > - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > - struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
> > > - enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
> > > -
> > > - if (intel_phy_is_combo(dev_priv, phy))
> > > - return intel_combo_phy_connected(dev_priv, phy);
> > > - else if (intel_phy_is_tc(dev_priv, phy))
> > > - return intel_tc_port_connected(dig_port);
> > > - else
> > > - MISSING_CASE(encoder->hpd_pin);
> > > -
> > > - return false;
> > > + return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG_IVB;
> > > }
> > >
> > > /*
> > > @@ -5611,44 +5518,15 @@ static bool icp_digital_port_connected(struct intel_encoder *encoder)
> > > *
> > > * Return %true if port is connected, %false otherwise.
> > > */
> > > -static bool __intel_digital_port_connected(struct intel_encoder *encoder)
> > > -{
> > > - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > -
> > > - if (HAS_GMCH(dev_priv)) {
> > > - if (IS_GM45(dev_priv))
> > > - return gm45_digital_port_connected(encoder);
> > > - else
> > > - return g4x_digital_port_connected(encoder);
> > > - }
> > > -
> > > - if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
> > > - return icp_digital_port_connected(encoder);
> > > - else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
> > > - return spt_digital_port_connected(encoder);
> > > - else if (IS_GEN9_LP(dev_priv))
> > > - return bxt_digital_port_connected(encoder);
> > > - else if (IS_GEN(dev_priv, 8))
> > > - return bdw_digital_port_connected(encoder);
> > > - else if (IS_GEN(dev_priv, 7))
> > > - return ivb_digital_port_connected(encoder);
> > > - else if (IS_GEN(dev_priv, 6))
> > > - return snb_digital_port_connected(encoder);
> > > - else if (IS_GEN(dev_priv, 5))
> > > - return ilk_digital_port_connected(encoder);
> > > -
> > > - MISSING_CASE(INTEL_GEN(dev_priv));
> > > - return false;
> > > -}
> > > -
> > > bool intel_digital_port_connected(struct intel_encoder *encoder)
> > > {
> > > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> > > + struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
> > > bool is_connected = false;
> > > intel_wakeref_t wakeref;
> > >
> > > with_intel_display_power(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref)
> > > - is_connected = __intel_digital_port_connected(encoder);
> > > + is_connected = dig_port->connected(encoder);
> > >
> > > return is_connected;
> > > }
> > > @@ -7852,6 +7730,23 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
> > >
> > > intel_dig_port->hpd_pulse = intel_dp_hpd_pulse;
> > >
> > > + if (HAS_GMCH(dev_priv)) {
> > > + if (IS_GM45(dev_priv))
> > > + intel_dig_port->connected = gm45_digital_port_connected;
> > > + else
> > > + intel_dig_port->connected = g4x_digital_port_connected;
> > > + } else if (port == PORT_A) {
> > > + if (IS_IVYBRIDGE(dev_priv))
> > > + intel_dig_port->connected = ivb_digital_port_connected;
> > > + else
> > > + intel_dig_port->connected = ilk_digital_port_connected;
> > > + } else {
> > > + if (HAS_PCH_CPT(dev_priv))
> > > + intel_dig_port->connected = cpt_digital_port_connected;
> > > + else
> > > + intel_dig_port->connected = ibx_digital_port_connected;
> > > + }
> > > +
> > > if (port != PORT_A)
> > > intel_infoframe_init(intel_dig_port);
> > >
> > > diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
> > > index 9b850c11aa78..1e64b4c92eec 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_tc.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_tc.c
> > > @@ -484,8 +484,9 @@ static bool intel_tc_port_needs_reset(struct intel_digital_port *dig_port)
> > > * connected ports are usable, and avoids exposing to the users objects they
> > > * can't really use.
> > > */
> > > -bool intel_tc_port_connected(struct intel_digital_port *dig_port)
> > > +bool intel_tc_port_connected(struct intel_encoder *encoder)
> > > {
> > > + struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
> > > bool is_connected;
> > >
> > > intel_tc_port_lock(dig_port);
> > > diff --git a/drivers/gpu/drm/i915/display/intel_tc.h b/drivers/gpu/drm/i915/display/intel_tc.h
> > > index 463f1b3c836f..b619e4736f85 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_tc.h
> > > +++ b/drivers/gpu/drm/i915/display/intel_tc.h
> > > @@ -10,8 +10,9 @@
> > > #include <linux/types.h>
> > >
> > > struct intel_digital_port;
> > > +struct intel_encoder;
> > >
> > > -bool intel_tc_port_connected(struct intel_digital_port *dig_port);
> > > +bool intel_tc_port_connected(struct intel_encoder *encoder);
> > > u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
> > > u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
> > > int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
> > > --
> > > 2.24.1
> > >
> > > _______________________________________________
> > > Intel-gfx mailing list
> > > Intel-gfx at lists.freedesktop.org
> > > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Ville Syrjälä
> Intel
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