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drm/i915: Make the connector->encoder relationship explicit

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Currently we have a exact mapping of a connector onto an encoder for its
whole lifetime. Make this an explicit property of the structure and so
simplify the code.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Chris Wilson
2010-09-09 16:20:55 +01:00
parent f875c15a4f
commit df0e924883
9 changed files with 129 additions and 126 deletions
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17
drivers/gpu/drm/i915/intel_hdmi.c
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@@ -48,6 +48,12 @@ static struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder)
return container_of(encoder, struct intel_hdmi, base.base);
}
static struct intel_hdmi *intel_attached_hdmi(struct drm_connector *connector)
{
return container_of(intel_attached_encoder(connector),
struct intel_hdmi, base);
}
static void intel_hdmi_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@@ -141,8 +147,7 @@ static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
static enum drm_connector_status
intel_hdmi_detect(struct drm_connector *connector)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
struct edid *edid = NULL;
enum drm_connector_status status = connector_status_disconnected;
@@ -163,8 +168,7 @@ intel_hdmi_detect(struct drm_connector *connector)
static int intel_hdmi_get_modes(struct drm_connector *connector)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
/* We should parse the EDID data and find out if it's an HDMI sink so
* we can send audio to it.
@@ -198,7 +202,7 @@ static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = {
.get_modes = intel_hdmi_get_modes,
.mode_valid = intel_hdmi_mode_valid,
.best_encoder = intel_attached_encoder,
.best_encoder = intel_best_encoder,
};
static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
@@ -270,8 +274,7 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs);
drm_mode_connector_attach_encoder(&intel_connector->base,
&intel_encoder->base);
intel_connector_attach_encoder(intel_connector, intel_encoder);
drm_sysfs_connector_add(connector);
/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written