diff options
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 84 |
3 files changed, 76 insertions, 41 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 5de36d8dc..d46fa2206 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1490,8 +1490,6 @@ static int i915_drm_suspend(struct drm_device *dev) dev_priv->suspend_count++; - intel_display_set_init_power(dev_priv, false); - intel_csr_ucode_suspend(dev_priv); out: @@ -1508,6 +1506,8 @@ static int i915_drm_suspend_late(struct drm_device *drm_dev, bool hibernation) disable_rpm_wakeref_asserts(dev_priv); + intel_display_set_init_power(dev_priv, false); + fw_csr = !IS_BROXTON(dev_priv) && suspend_to_idle(dev_priv) && dev_priv->csr.dmc_payload; /* diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 63462f279..e26f88965 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -9737,6 +9737,29 @@ static void bxt_modeset_commit_cdclk(struct drm_atomic_state *old_state) bxt_set_cdclk(to_i915(dev), req_cdclk); } +static int bdw_adjust_min_pipe_pixel_rate(struct intel_crtc_state *crtc_state, + int pixel_rate) +{ + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + + /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ + if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled) + pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); + + /* BSpec says "Do not use DisplayPort with CDCLK less than + * 432 MHz, audio enabled, port width x4, and link rate + * HBR2 (5.4 GHz), or else there may be audio corruption or + * screen corruption." + */ + if (intel_crtc_has_dp_encoder(crtc_state) && + crtc_state->has_audio && + crtc_state->port_clock >= 540000 && + crtc_state->lane_count == 4) + pixel_rate = max(432000, pixel_rate); + + return pixel_rate; +} + /* compute the max rate for new configuration */ static int ilk_max_pixel_rate(struct drm_atomic_state *state) { @@ -9762,9 +9785,9 @@ static int ilk_max_pixel_rate(struct drm_atomic_state *state) pixel_rate = ilk_pipe_pixel_rate(crtc_state); - /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ - if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled) - pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); + if (IS_BROADWELL(dev_priv) || IS_GEN9(dev_priv)) + pixel_rate = bdw_adjust_min_pipe_pixel_rate(crtc_state, + pixel_rate); intel_state->min_pixclk[i] = pixel_rate; } diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index c3aa9e670..142127007 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1759,6 +1759,50 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE; } +static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + const struct ddi_vbt_port_info *info = + &dev_priv->vbt.ddi_port_info[port]; + u8 ddc_pin; + + if (info->alternate_ddc_pin) { + DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (VBT)\n", + info->alternate_ddc_pin, port_name(port)); + return info->alternate_ddc_pin; + } + + switch (port) { + case PORT_B: + if (IS_BROXTON(dev_priv)) + ddc_pin = GMBUS_PIN_1_BXT; + else + ddc_pin = GMBUS_PIN_DPB; + break; + case PORT_C: + if (IS_BROXTON(dev_priv)) + ddc_pin = GMBUS_PIN_2_BXT; + else + ddc_pin = GMBUS_PIN_DPC; + break; + case PORT_D: + if (IS_CHERRYVIEW(dev_priv)) + ddc_pin = GMBUS_PIN_DPD_CHV; + else + ddc_pin = GMBUS_PIN_DPD; + break; + default: + MISSING_CASE(port); + ddc_pin = GMBUS_PIN_DPB; + break; + } + + DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (platform default)\n", + ddc_pin, port_name(port)); + + return ddc_pin; +} + void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, struct intel_connector *intel_connector) { @@ -1768,7 +1812,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, struct drm_device *dev = intel_encoder->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); enum port port = intel_dig_port->port; - uint8_t alternate_ddc_pin; DRM_DEBUG_KMS("Adding HDMI connector on port %c\n", port_name(port)); @@ -1786,12 +1829,10 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, connector->doublescan_allowed = 0; connector->stereo_allowed = 1; + intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port); + switch (port) { case PORT_B: - if (IS_BROXTON(dev_priv)) - intel_hdmi->ddc_bus = GMBUS_PIN_1_BXT; - else - intel_hdmi->ddc_bus = GMBUS_PIN_DPB; /* * On BXT A0/A1, sw needs to activate DDIA HPD logic and * interrupts to check the external panel connection. @@ -1802,46 +1843,17 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_encoder->hpd_pin = HPD_PORT_B; break; case PORT_C: - if (IS_BROXTON(dev_priv)) - intel_hdmi->ddc_bus = GMBUS_PIN_2_BXT; - else - intel_hdmi->ddc_bus = GMBUS_PIN_DPC; intel_encoder->hpd_pin = HPD_PORT_C; break; case PORT_D: - if (WARN_ON(IS_BROXTON(dev_priv))) - intel_hdmi->ddc_bus = GMBUS_PIN_DISABLED; - else if (IS_CHERRYVIEW(dev_priv)) - intel_hdmi->ddc_bus = GMBUS_PIN_DPD_CHV; - else - intel_hdmi->ddc_bus = GMBUS_PIN_DPD; intel_encoder->hpd_pin = HPD_PORT_D; break; case PORT_E: - /* On SKL PORT E doesn't have seperate GMBUS pin - * We rely on VBT to set a proper alternate GMBUS pin. */ - alternate_ddc_pin = - dev_priv->vbt.ddi_port_info[PORT_E].alternate_ddc_pin; - switch (alternate_ddc_pin) { - case DDC_PIN_B: - intel_hdmi->ddc_bus = GMBUS_PIN_DPB; - break; - case DDC_PIN_C: - intel_hdmi->ddc_bus = GMBUS_PIN_DPC; - break; - case DDC_PIN_D: - intel_hdmi->ddc_bus = GMBUS_PIN_DPD; - break; - default: - MISSING_CASE(alternate_ddc_pin); - } intel_encoder->hpd_pin = HPD_PORT_E; break; - case PORT_A: - intel_encoder->hpd_pin = HPD_PORT_A; - /* Internal port only for eDP. */ default: - BUG(); + MISSING_CASE(port); + return; } if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |