From 1d843f9de4e6dc6a899b6f07f106c00da09925e6 Mon Sep 17 00:00:00 2001 From: Egbert Eich Date: Mon, 25 Feb 2013 12:06:49 -0500 Subject: [PATCH] DRM/I915: Add enum hpd_pin to intel_encoder. To clean up hotplug support we add a new enum to intel_encoder: enum hpd_pin. It allows the encoder to request a hpd line but leave the details which IRQ is responsible on which chipset generation to i915_irq.c. This way requesting hotplug support will become really simple on the encoder/connector level. Signed-off-by: Egbert Eich Acked-by: Chris Wilson Reviewed-by: Jesse Barnes Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_drv.h | 13 +++++++++++++ drivers/gpu/drm/i915/intel_crt.c | 2 ++ drivers/gpu/drm/i915/intel_dp.c | 4 ++++ drivers/gpu/drm/i915/intel_drv.h | 1 + drivers/gpu/drm/i915/intel_hdmi.c | 4 ++++ drivers/gpu/drm/i915/intel_sdvo.c | 3 +++ 6 files changed, 27 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 7f6452b592aa..cda598d89f17 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -86,6 +86,19 @@ enum port { }; #define port_name(p) ((p) + 'A') +enum hpd_pin { + HPD_NONE = 0, + HPD_PORT_A = HPD_NONE, /* PORT_A is internal */ + HPD_TV = HPD_NONE, /* TV is known to be unreliable */ + HPD_CRT, + HPD_SDVO_B, + HPD_SDVO_C, + HPD_PORT_B, + HPD_PORT_C, + HPD_PORT_D, + HPD_NUM_PINS +}; + #define I915_GEM_GPU_DOMAINS \ (I915_GEM_DOMAIN_RENDER | \ I915_GEM_DOMAIN_SAMPLER | \ diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 32a3693905ec..a4b3e4e01e65 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -776,6 +776,8 @@ void intel_crt_init(struct drm_device *dev) crt->base.disable = intel_disable_crt; crt->base.enable = intel_enable_crt; + if (I915_HAS_HOTPLUG(dev)) + crt->base.hpd_pin = HPD_CRT; if (HAS_DDI(dev)) crt->base.get_hw_state = intel_ddi_get_hw_state; else diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 2f2ec42a417a..c7c5635f06e0 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2821,18 +2821,22 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, /* Set up the DDC bus. */ switch (port) { case PORT_A: + intel_encoder->hpd_pin = HPD_PORT_A; name = "DPDDC-A"; break; case PORT_B: dev_priv->hotplug_supported_mask |= PORTB_HOTPLUG_INT_STATUS; + intel_encoder->hpd_pin = HPD_PORT_B; name = "DPDDC-B"; break; case PORT_C: dev_priv->hotplug_supported_mask |= PORTC_HOTPLUG_INT_STATUS; + intel_encoder->hpd_pin = HPD_PORT_C; name = "DPDDC-C"; break; case PORT_D: dev_priv->hotplug_supported_mask |= PORTD_HOTPLUG_INT_STATUS; + intel_encoder->hpd_pin = HPD_PORT_D; name = "DPDDC-D"; break; default: diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 276f6651dcc3..54bc2ea61fa9 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -168,6 +168,7 @@ struct intel_encoder { * it is connected to in the pipe parameter. */ bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe); int crtc_mask; + enum hpd_pin hpd_pin; }; struct intel_panel { diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 2474b1b6de61..6d92aebadfc3 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -988,17 +988,21 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, switch (port) { case PORT_B: intel_hdmi->ddc_bus = GMBUS_PORT_DPB; + intel_encoder->hpd_pin = HPD_PORT_B; dev_priv->hotplug_supported_mask |= PORTB_HOTPLUG_INT_STATUS; break; case PORT_C: intel_hdmi->ddc_bus = GMBUS_PORT_DPC; + intel_encoder->hpd_pin = HPD_PORT_C; dev_priv->hotplug_supported_mask |= PORTC_HOTPLUG_INT_STATUS; break; case PORT_D: intel_hdmi->ddc_bus = GMBUS_PORT_DPD; + intel_encoder->hpd_pin = HPD_PORT_D; dev_priv->hotplug_supported_mask |= PORTD_HOTPLUG_INT_STATUS; break; case PORT_A: + intel_encoder->hpd_pin = HPD_PORT_A; /* Internal port only for eDP. */ default: BUG(); diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 678c47cac72b..0ff557fe2f60 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2779,6 +2779,9 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915; } + if (intel_sdvo->hotplug_active) + intel_encoder->hpd_pin = HPD_SDVO_B ? HPD_SDVO_B : HPD_SDVO_C; + drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs); intel_encoder->disable = intel_disable_sdvo; -- 2.20.1