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drm/i915: add DP support to intel_ddi_enable_pipe_func 

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2012-10-15 15:51:29 -03:00 committed by Daniel Vetter
parent c5836c27ae
commit 7739c33ba4
3 changed files with 35 additions and 9 deletions
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34
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -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);

5
drivers/gpu/drm/i915/intel_dp.c
View File

@ -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),

5
drivers/gpu/drm/i915/intel_drv.h
View File

@ -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);