From 7739c33ba48174204b24c1b867b455318e752787 Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Mon, 15 Oct 2012 15:51:29 -0300 Subject: [PATCH] drm/i915: add DP support to intel_ddi_enable_pipe_func Signed-off-by: Paulo Zanoni Reviewed-by: Jani Nikula Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_ddi.c | 34 ++++++++++++++++++++++++++++---- drivers/gpu/drm/i915/intel_dp.c | 5 ----- drivers/gpu/drm/i915/intel_drv.h | 5 +++++ 3 files changed, 35 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index a78860a04a56..9659c227dcf4 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -831,8 +831,10 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc); + struct drm_encoder *encoder = &intel_encoder->base; struct drm_i915_private *dev_priv = crtc->dev->dev_private; enum pipe pipe = intel_crtc->pipe; + int type = intel_encoder->type; uint32_t temp; /* Enable PIPE_DDI_FUNC_CTL for the pipe to work in HDMI mode */ @@ -861,9 +863,8 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc) if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) temp |= PIPE_DDI_PHSYNC; - if (intel_encoder->type == INTEL_OUTPUT_HDMI) { - struct intel_hdmi *intel_hdmi = - enc_to_intel_hdmi(&intel_encoder->base); + if (type == INTEL_OUTPUT_HDMI) { + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); if (intel_hdmi->has_hdmi_sink) temp |= PIPE_DDI_MODE_SELECT_HDMI; @@ -871,9 +872,34 @@ void intel_ddi_enable_pipe_func(struct drm_crtc *crtc) temp |= PIPE_DDI_MODE_SELECT_DVI; temp |= PIPE_DDI_SELECT_PORT(intel_hdmi->ddi_port); - } else if (intel_encoder->type == INTEL_OUTPUT_ANALOG) { + + } else if (type == INTEL_OUTPUT_ANALOG) { temp |= PIPE_DDI_MODE_SELECT_FDI; temp |= PIPE_DDI_SELECT_PORT(PORT_E); + + } else if (type == INTEL_OUTPUT_DISPLAYPORT || + type == INTEL_OUTPUT_EDP) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + temp |= PIPE_DDI_MODE_SELECT_DP_SST; + temp |= PIPE_DDI_SELECT_PORT(intel_dp->port); + + switch (intel_dp->lane_count) { + case 1: + temp |= PIPE_DDI_PORT_WIDTH_X1; + break; + case 2: + temp |= PIPE_DDI_PORT_WIDTH_X2; + break; + case 4: + temp |= PIPE_DDI_PORT_WIDTH_X4; + break; + default: + temp |= PIPE_DDI_PORT_WIDTH_X4; + WARN(1, "Unsupported lane count %d\n", + intel_dp->lane_count); + } + } else { WARN(1, "Invalid encoder type %d for pipe %d\n", intel_encoder->type, pipe); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index fcce39284e5d..871bc17d221d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -77,11 +77,6 @@ static bool is_cpu_edp(struct intel_dp *intel_dp) return is_edp(intel_dp) && !is_pch_edp(intel_dp); } -static struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder) -{ - return container_of(encoder, struct intel_dp, base.base); -} - static struct intel_dp *intel_attached_dp(struct drm_connector *connector) { return container_of(intel_attached_encoder(connector), diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 245319a45597..7e1e6707984d 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -474,6 +474,11 @@ static inline struct intel_encoder *intel_attached_encoder(struct drm_connector return to_intel_connector(connector)->encoder; } +static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder) +{ + return container_of(encoder, struct intel_dp, base.base); +} + extern void intel_connector_attach_encoder(struct intel_connector *connector, struct intel_encoder *encoder); extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector); -- 2.30.2