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drm/i915/i2c: Track the parent encoder rather than just the dev

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The SDVO proxy i2c adapter wants to be able to use information stored in
the encoder, so pass that through intel_i2c rather than iterate over all
known encoders every time.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2010-09-14 16:46:59 +01:00
parent 2cf34d7b7e
commit 890f3359f7
7 changed files with 67 additions and 65 deletions
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62
drivers/gpu/drm/i915/intel_sdvo.c
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@ -184,7 +184,7 @@ struct intel_sdvo_connector {
u32 cur_dot_crawl, max_dot_crawl;
};
static struct intel_sdvo *enc_to_intel_sdvo(struct drm_encoder *encoder)
static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
{
return container_of(encoder, struct intel_sdvo, base.base);
}
@ -1051,7 +1051,7 @@ static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
int multiplier;
/* We need to construct preferred input timings based on our
@ -1093,7 +1093,7 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_crtc *crtc = encoder->crtc;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
u32 sdvox;
struct intel_sdvo_in_out_map in_out;
struct intel_sdvo_dtd input_dtd;
@ -1200,7 +1200,7 @@ static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
u32 temp;
@ -1899,7 +1899,7 @@ static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs
static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
{
struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
if (intel_sdvo->analog_ddc_bus)
intel_i2c_destroy(intel_sdvo->analog_ddc_bus);
@ -1984,35 +1984,15 @@ intel_sdvo_get_digital_encoding_mode(struct intel_sdvo *intel_sdvo, int device)
&intel_sdvo->is_hdmi, 1);
}
static struct intel_sdvo *
intel_sdvo_chan_to_intel_sdvo(struct intel_i2c_chan *chan)
{
struct drm_device *dev = chan->drm_dev;
struct drm_encoder *encoder;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);
if (intel_sdvo->base.ddc_bus == &chan->adapter)
return intel_sdvo;
}
return NULL;
}
static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,
struct i2c_msg msgs[], int num)
{
struct intel_sdvo *intel_sdvo;
struct i2c_algo_bit_data *algo_data;
const struct i2c_algorithm *algo;
algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;
intel_sdvo =
intel_sdvo_chan_to_intel_sdvo((struct intel_i2c_chan *)
(algo_data->data));
if (intel_sdvo == NULL)
return -EINVAL;
intel_sdvo = container_of(i2c_adap->algo_data,
struct intel_sdvo,
base);
algo = intel_sdvo->base.i2c_bus->algo;
intel_sdvo_set_control_bus_switch(intel_sdvo, intel_sdvo->ddc_bus);
@ -2560,9 +2540,13 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
/* setup the DDC bus. */
if (IS_SDVOB(sdvo_reg))
intel_encoder->i2c_bus = intel_i2c_create(dev, i2c_reg, "SDVOCTRL_E for SDVOB");
intel_encoder->i2c_bus =
intel_i2c_create(intel_encoder,
i2c_reg, "SDVOCTRL_E for SDVOB");
else
intel_encoder->i2c_bus = intel_i2c_create(dev, i2c_reg, "SDVOCTRL_E for SDVOC");
intel_encoder->i2c_bus =
intel_i2c_create(intel_encoder,
i2c_reg, "SDVOCTRL_E for SDVOC");
if (!intel_encoder->i2c_bus)
goto err_inteloutput;
@ -2583,14 +2567,20 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
/* setup the DDC bus. */
if (IS_SDVOB(sdvo_reg)) {
intel_encoder->ddc_bus = intel_i2c_create(dev, ddc_reg, "SDVOB DDC BUS");
intel_sdvo->analog_ddc_bus = intel_i2c_create(dev, analog_ddc_reg,
"SDVOB/VGA DDC BUS");
intel_encoder->ddc_bus =
intel_i2c_create(intel_encoder,
ddc_reg, "SDVOB DDC BUS");
intel_sdvo->analog_ddc_bus =
intel_i2c_create(intel_encoder,
analog_ddc_reg, "SDVOB/VGA DDC BUS");
dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
} else {
intel_encoder->ddc_bus = intel_i2c_create(dev, ddc_reg, "SDVOC DDC BUS");
intel_sdvo->analog_ddc_bus = intel_i2c_create(dev, analog_ddc_reg,
"SDVOC/VGA DDC BUS");
intel_encoder->ddc_bus =
intel_i2c_create(intel_encoder,
ddc_reg, "SDVOC DDC BUS");
intel_sdvo->analog_ddc_bus =
intel_i2c_create(intel_encoder,
analog_ddc_reg, "SDVOC/VGA DDC BUS");
dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
}
if (intel_encoder->ddc_bus == NULL || intel_sdvo->analog_ddc_bus == NULL)