From: Zhenyu Wang Date: Tue, 30 Mar 2010 06:39:31 +0000 (+0800) Subject: drm/i915: change intel_ddc_get_modes() function parameters X-Git-Tag: v2.6.35-rc1~451^2~91^2~40 X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=335af9a235a82842854b394507ab5e310d88be42;p=net-next-2.6.git drm/i915: change intel_ddc_get_modes() function parameters This one replaces original param for intel_ddc_get_modes() with DRM connector and i2c bus adapter instead. With explicit params, we won't require that a single driver structure must hold connector and DDC bus reference, which ease the conversion to splitted encoder/ connector model. It also clears up for some cases that we would steal other DDC bus for mode probe, like VGA analog DDC probe for DVI-I. Also it fixed a bug in old DVI-I probe handling, that failed to restore origin analog GPIO port. Signed-off-by: Zhenyu Wang Signed-off-by: Eric Anholt --- diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index b96574ea470..4dd5daa8ebe 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -433,28 +433,25 @@ static int intel_crt_get_modes(struct drm_connector *connector) { int ret; struct intel_encoder *intel_encoder = to_intel_encoder(connector); - struct i2c_adapter *ddcbus; + struct i2c_adapter *ddc_bus; struct drm_device *dev = connector->dev; - ret = intel_ddc_get_modes(intel_encoder); + ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); if (ret || !IS_G4X(dev)) goto end; - ddcbus = intel_encoder->ddc_bus; /* Try to probe digital port for output in DVI-I -> VGA mode. */ - intel_encoder->ddc_bus = - intel_i2c_create(connector->dev, GPIOD, "CRTDDC_D"); + ddc_bus = intel_i2c_create(connector->dev, GPIOD, "CRTDDC_D"); - if (!intel_encoder->ddc_bus) { - intel_encoder->ddc_bus = ddcbus; + if (!ddc_bus) { dev_printk(KERN_ERR, &connector->dev->pdev->dev, "DDC bus registration failed for CRTDDC_D.\n"); goto end; } /* Try to get modes by GPIOD port */ - ret = intel_ddc_get_modes(intel_encoder); - intel_i2c_destroy(ddcbus); + ret = intel_ddc_get_modes(connector, ddc_bus); + intel_i2c_destroy(ddc_bus); end: return ret; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 0a7e3264dac..6064fd70a42 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1229,7 +1229,7 @@ static int intel_dp_get_modes(struct drm_connector *connector) /* We should parse the EDID data and find out if it has an audio sink */ - ret = intel_ddc_get_modes(intel_encoder); + ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 4741713df74..c15ec471c84 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -165,7 +165,7 @@ struct intel_crtc { struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg, const char *name); void intel_i2c_destroy(struct i2c_adapter *adapter); -int intel_ddc_get_modes(struct intel_encoder *intel_encoder); +int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter); extern bool intel_ddc_probe(struct intel_encoder *intel_encoder); void intel_i2c_quirk_set(struct drm_device *dev, bool enable); void intel_i2c_reset_gmbus(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index 62282f34eba..a3e6efa38c7 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -256,7 +256,7 @@ static int intel_dvo_get_modes(struct drm_connector *connector) * (TV-out, for example), but for now with just TMDS and LVDS, * that's not the case. */ - intel_ddc_get_modes(intel_encoder); + intel_ddc_get_modes(connector, intel_encoder->ddc_bus); if (!list_empty(&connector->probed_modes)) return 1; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 9777504afeb..74823e77b2f 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -179,7 +179,7 @@ static int intel_hdmi_get_modes(struct drm_connector *connector) * we can send audio to it. */ - return intel_ddc_get_modes(intel_encoder); + return intel_ddc_get_modes(connector, intel_encoder->ddc_bus); } static void intel_hdmi_destroy(struct drm_connector *connector) diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 527cfa2626b..a3b82081e1a 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -639,7 +639,7 @@ static int intel_lvds_get_modes(struct drm_connector *connector) int ret = 0; if (dev_priv->lvds_edid_good) { - ret = intel_ddc_get_modes(intel_encoder); + ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); if (ret) return ret; @@ -1066,7 +1066,7 @@ void intel_lvds_init(struct drm_device *dev) */ dev_priv->lvds_edid_good = true; - if (!intel_ddc_get_modes(intel_encoder)) + if (!intel_ddc_get_modes(connector, intel_encoder->ddc_bus)) dev_priv->lvds_edid_good = false; list_for_each_entry(scan, &connector->probed_modes, head) { diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c index 3111a1c2731..9562176defc 100644 --- a/drivers/gpu/drm/i915/intel_modes.c +++ b/drivers/gpu/drm/i915/intel_modes.c @@ -53,9 +53,9 @@ bool intel_ddc_probe(struct intel_encoder *intel_encoder) } }; - intel_i2c_quirk_set(intel_encoder->base.dev, true); + intel_i2c_quirk_set(intel_encoder->enc.dev, true); ret = i2c_transfer(intel_encoder->ddc_bus, msgs, 2); - intel_i2c_quirk_set(intel_encoder->base.dev, false); + intel_i2c_quirk_set(intel_encoder->enc.dev, false); if (ret == 2) return true; @@ -65,22 +65,23 @@ bool intel_ddc_probe(struct intel_encoder *intel_encoder) /** * intel_ddc_get_modes - get modelist from monitor * @connector: DRM connector device to use + * @adapter: i2c adapter * * Fetch the EDID information from @connector using the DDC bus. */ -int intel_ddc_get_modes(struct intel_encoder *intel_encoder) +int intel_ddc_get_modes(struct drm_connector *connector, + struct i2c_adapter *adapter) { struct edid *edid; int ret = 0; - intel_i2c_quirk_set(intel_encoder->base.dev, true); - edid = drm_get_edid(&intel_encoder->base, intel_encoder->ddc_bus); - intel_i2c_quirk_set(intel_encoder->base.dev, false); + intel_i2c_quirk_set(connector->dev, true); + edid = drm_get_edid(connector, adapter); + intel_i2c_quirk_set(connector->dev, false); if (edid) { - drm_mode_connector_update_edid_property(&intel_encoder->base, - edid); - ret = drm_add_edid_modes(&intel_encoder->base, edid); - intel_encoder->base.display_info.raw_edid = NULL; + drm_mode_connector_update_edid_property(connector, edid); + ret = drm_add_edid_modes(connector, edid); + connector->display_info.raw_edid = NULL; kfree(edid); } diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index a5b049f9491..097819c51a1 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1729,7 +1729,7 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector) int num_modes; /* set the bus switch and get the modes */ - num_modes = intel_ddc_get_modes(intel_encoder); + num_modes = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); /* * Mac mini hack. On this device, the DVI-I connector shares one DDC @@ -1740,16 +1740,9 @@ static void intel_sdvo_get_ddc_modes(struct drm_connector *connector) if (num_modes == 0 && sdvo_priv->analog_ddc_bus && !intel_analog_is_connected(intel_encoder->base.dev)) { - struct i2c_adapter *digital_ddc_bus; - /* Switch to the analog ddc bus and try that */ - digital_ddc_bus = intel_encoder->ddc_bus; - intel_encoder->ddc_bus = sdvo_priv->analog_ddc_bus; - - (void) intel_ddc_get_modes(intel_encoder); - - intel_encoder->ddc_bus = digital_ddc_bus; + (void) intel_ddc_get_modes(connector, sdvo_priv->analog_ddc_bus); } } @@ -1872,7 +1865,7 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector) * Assume that the preferred modes are * arranged in priority order. */ - intel_ddc_get_modes(intel_encoder); + intel_ddc_get_modes(connector, intel_encoder->ddc_bus); if (list_empty(&connector->probed_modes) == false) goto end;