From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Move the ibx pch port sanitation code into intel_pch_display.c where it now belongs. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_display.c | 63 +---------------- .../gpu/drm/i915/display/intel_pch_display.c | 67 +++++++++++++++++++ .../gpu/drm/i915/display/intel_pch_display.h | 3 + 3 files changed, 71 insertions(+), 62 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 656c8319e546..7f0ba41ad35b 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -10249,66 +10249,6 @@ static void intel_early_display_was(struct drm_i915_private *dev_priv) } } -static void ibx_sanitize_pch_hdmi_port(struct drm_i915_private *dev_priv, - enum port port, i915_reg_t hdmi_reg) -{ - u32 val = intel_de_read(dev_priv, hdmi_reg); - - if (val & SDVO_ENABLE || - (val & SDVO_PIPE_SEL_MASK) == SDVO_PIPE_SEL(PIPE_A)) - return; - - drm_dbg_kms(&dev_priv->drm, - "Sanitizing transcoder select for HDMI %c\n", - port_name(port)); - - val &= ~SDVO_PIPE_SEL_MASK; - val |= SDVO_PIPE_SEL(PIPE_A); - - intel_de_write(dev_priv, hdmi_reg, val); -} - -static void ibx_sanitize_pch_dp_port(struct drm_i915_private *dev_priv, - enum port port, i915_reg_t dp_reg) -{ - u32 val = intel_de_read(dev_priv, dp_reg); - - if (val & DP_PORT_EN || - (val & DP_PIPE_SEL_MASK) == DP_PIPE_SEL(PIPE_A)) - return; - - drm_dbg_kms(&dev_priv->drm, - "Sanitizing transcoder select for DP %c\n", - port_name(port)); - - val &= ~DP_PIPE_SEL_MASK; - val |= DP_PIPE_SEL(PIPE_A); - - intel_de_write(dev_priv, dp_reg, val); -} - -static void ibx_sanitize_pch_ports(struct drm_i915_private *dev_priv) -{ - /* - * The BIOS may select transcoder B on some of the PCH - * ports even it doesn't enable the port. This would trip - * assert_pch_dp_disabled() and assert_pch_hdmi_disabled(). - * Sanitize the transcoder select bits to prevent that. We - * assume that the BIOS never actually enabled the port, - * because if it did we'd actually have to toggle the port - * on and back off to make the transcoder A select stick - * (see. intel_dp_link_down(), intel_disable_hdmi(), - * intel_disable_sdvo()). - */ - ibx_sanitize_pch_dp_port(dev_priv, PORT_B, PCH_DP_B); - ibx_sanitize_pch_dp_port(dev_priv, PORT_C, PCH_DP_C); - ibx_sanitize_pch_dp_port(dev_priv, PORT_D, PCH_DP_D); - - /* PCH SDVOB multiplex with HDMIB */ - ibx_sanitize_pch_hdmi_port(dev_priv, PORT_B, PCH_HDMIB); - ibx_sanitize_pch_hdmi_port(dev_priv, PORT_C, PCH_HDMIC); - ibx_sanitize_pch_hdmi_port(dev_priv, PORT_D, PCH_HDMID); -} /* Scan out the current hw modeset state, * and sanitizes it to the current state @@ -10330,8 +10270,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev, /* HW state is read out, now we need to sanitize this mess. */ get_encoder_power_domains(dev_priv); - if (HAS_PCH_IBX(dev_priv)) - ibx_sanitize_pch_ports(dev_priv); + intel_pch_sanitize(dev_priv); /* * intel_sanitize_plane_mapping() may need to do vblank diff --git a/drivers/gpu/drm/i915/display/intel_pch_display.c b/drivers/gpu/drm/i915/display/intel_pch_display.c index 00232dab217d..43e717f4f8e7 100644 --- a/drivers/gpu/drm/i915/display/intel_pch_display.c +++ b/drivers/gpu/drm/i915/display/intel_pch_display.c @@ -88,6 +88,67 @@ static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, pipe_name(pipe)); } +static void ibx_sanitize_pch_hdmi_port(struct drm_i915_private *dev_priv, + enum port port, i915_reg_t hdmi_reg) +{ + u32 val = intel_de_read(dev_priv, hdmi_reg); + + if (val & SDVO_ENABLE || + (val & SDVO_PIPE_SEL_MASK) == SDVO_PIPE_SEL(PIPE_A)) + return; + + drm_dbg_kms(&dev_priv->drm, + "Sanitizing transcoder select for HDMI %c\n", + port_name(port)); + + val &= ~SDVO_PIPE_SEL_MASK; + val |= SDVO_PIPE_SEL(PIPE_A); + + intel_de_write(dev_priv, hdmi_reg, val); +} + +static void ibx_sanitize_pch_dp_port(struct drm_i915_private *dev_priv, + enum port port, i915_reg_t dp_reg) +{ + u32 val = intel_de_read(dev_priv, dp_reg); + + if (val & DP_PORT_EN || + (val & DP_PIPE_SEL_MASK) == DP_PIPE_SEL(PIPE_A)) + return; + + drm_dbg_kms(&dev_priv->drm, + "Sanitizing transcoder select for DP %c\n", + port_name(port)); + + val &= ~DP_PIPE_SEL_MASK; + val |= DP_PIPE_SEL(PIPE_A); + + intel_de_write(dev_priv, dp_reg, val); +} + +static void ibx_sanitize_pch_ports(struct drm_i915_private *dev_priv) +{ + /* + * The BIOS may select transcoder B on some of the PCH + * ports even it doesn't enable the port. This would trip + * assert_pch_dp_disabled() and assert_pch_hdmi_disabled(). + * Sanitize the transcoder select bits to prevent that. We + * assume that the BIOS never actually enabled the port, + * because if it did we'd actually have to toggle the port + * on and back off to make the transcoder A select stick + * (see. intel_dp_link_down(), intel_disable_hdmi(), + * intel_disable_sdvo()). + */ + ibx_sanitize_pch_dp_port(dev_priv, PORT_B, PCH_DP_B); + ibx_sanitize_pch_dp_port(dev_priv, PORT_C, PCH_DP_C); + ibx_sanitize_pch_dp_port(dev_priv, PORT_D, PCH_DP_D); + + /* PCH SDVOB multiplex with HDMIB */ + ibx_sanitize_pch_hdmi_port(dev_priv, PORT_B, PCH_HDMIB); + ibx_sanitize_pch_hdmi_port(dev_priv, PORT_C, PCH_HDMIC); + ibx_sanitize_pch_hdmi_port(dev_priv, PORT_D, PCH_HDMID); +} + static void intel_pch_transcoder_set_m1_n1(struct intel_crtc *crtc, const struct intel_link_m_n *m_n) { @@ -564,3 +625,9 @@ void lpt_pch_get_config(struct intel_crtc_state *crtc_state) crtc_state->hw.adjusted_mode.crtc_clock = lpt_get_iclkip(dev_priv); } + +void intel_pch_sanitize(struct drm_i915_private *i915) +{ + if (HAS_PCH_IBX(i915)) + ibx_sanitize_pch_ports(i915); +} diff --git a/drivers/gpu/drm/i915/display/intel_pch_display.h b/drivers/gpu/drm/i915/display/intel_pch_display.h index 749473d99320..4ef033bb5807 100644 --- a/drivers/gpu/drm/i915/display/intel_pch_display.h +++ b/drivers/gpu/drm/i915/display/intel_pch_display.h @@ -6,6 +6,7 @@ #ifndef _INTEL_PCH_DISPLAY_H_ #define _INTEL_PCH_DISPLAY_H_ +struct drm_i915_private; struct intel_atomic_state; struct intel_crtc; struct intel_crtc_state; @@ -32,4 +33,6 @@ void intel_pch_transcoder_get_m1_n1(struct intel_crtc *crtc, void intel_pch_transcoder_get_m2_n2(struct intel_crtc *crtc, struct intel_link_m_n *m_n); +void intel_pch_sanitize(struct drm_i915_private *i915); + #endif -- 2.34.1