drm/i915: Subclass intel_encoder.
Subclass intel_encoder to reduce the pointer dance through
intel_encoder->dev_priv.
10 files changed, 896 insertions(+), 997 deletions(-)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 0a2e600..312ac306 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -41,12 +41,18 @@
#include <linux/acpi.h>
/* Private structure for the integrated LVDS support */
-struct intel_lvds_priv {
+struct intel_lvds {
+ struct intel_encoder base;
int fitting_mode;
u32 pfit_control;
u32 pfit_pgm_ratios;
};
+static struct intel_lvds *enc_to_intel_lvds(struct drm_encoder *encoder)
+{
+ return container_of(enc_to_intel_encoder(encoder), struct intel_lvds, base);
+}
+
/**
* Sets the backlight level.
*
@@ -219,9 +225,8 @@
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+ struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
struct drm_encoder *tmp_encoder;
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
- struct intel_lvds_priv *lvds_priv = intel_encoder->dev_priv;
u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
/* Should never happen!! */
@@ -293,7 +298,7 @@
I915_WRITE(BCLRPAT_B, 0);
}
- switch (lvds_priv->fitting_mode) {
+ switch (intel_lvds->fitting_mode) {
case DRM_MODE_SCALE_CENTER:
/*
* For centered modes, we have to calculate border widths &
@@ -378,8 +383,8 @@
}
out:
- lvds_priv->pfit_control = pfit_control;
- lvds_priv->pfit_pgm_ratios = pfit_pgm_ratios;
+ intel_lvds->pfit_control = pfit_control;
+ intel_lvds->pfit_pgm_ratios = pfit_pgm_ratios;
dev_priv->lvds_border_bits = border;
/*
@@ -427,8 +432,7 @@
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
- struct intel_lvds_priv *lvds_priv = intel_encoder->dev_priv;
+ struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
/*
* The LVDS pin pair will already have been turned on in the
@@ -444,8 +448,8 @@
* screen. Should be enabled before the pipe is enabled, according to
* register description and PRM.
*/
- I915_WRITE(PFIT_PGM_RATIOS, lvds_priv->pfit_pgm_ratios);
- I915_WRITE(PFIT_CONTROL, lvds_priv->pfit_control);
+ I915_WRITE(PFIT_PGM_RATIOS, intel_lvds->pfit_pgm_ratios);
+ I915_WRITE(PFIT_CONTROL, intel_lvds->pfit_control);
}
/**
@@ -600,18 +604,17 @@
connector->encoder) {
struct drm_crtc *crtc = connector->encoder->crtc;
struct drm_encoder *encoder = connector->encoder;
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
- struct intel_lvds_priv *lvds_priv = intel_encoder->dev_priv;
+ struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
if (value == DRM_MODE_SCALE_NONE) {
DRM_DEBUG_KMS("no scaling not supported\n");
return 0;
}
- if (lvds_priv->fitting_mode == value) {
+ if (intel_lvds->fitting_mode == value) {
/* the LVDS scaling property is not changed */
return 0;
}
- lvds_priv->fitting_mode = value;
+ intel_lvds->fitting_mode = value;
if (crtc && crtc->enabled) {
/*
* If the CRTC is enabled, the display will be changed
@@ -647,19 +650,8 @@
.destroy = intel_lvds_destroy,
};
-
-static void intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
- if (intel_encoder->ddc_bus)
- intel_i2c_destroy(intel_encoder->ddc_bus);
- drm_encoder_cleanup(encoder);
- kfree(intel_encoder);
-}
-
static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
- .destroy = intel_lvds_enc_destroy,
+ .destroy = intel_encoder_destroy,
};
static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
@@ -843,13 +835,13 @@
void intel_lvds_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_lvds *intel_lvds;
struct intel_encoder *intel_encoder;
struct intel_connector *intel_connector;
struct drm_connector *connector;
struct drm_encoder *encoder;
struct drm_display_mode *scan; /* *modes, *bios_mode; */
struct drm_crtc *crtc;
- struct intel_lvds_priv *lvds_priv;
u32 lvds;
int pipe, gpio = GPIOC;
@@ -872,20 +864,20 @@
gpio = PCH_GPIOC;
}
- intel_encoder = kzalloc(sizeof(struct intel_encoder) +
- sizeof(struct intel_lvds_priv), GFP_KERNEL);
- if (!intel_encoder) {
+ intel_lvds = kzalloc(sizeof(struct intel_lvds), GFP_KERNEL);
+ if (!intel_lvds) {
return;
}
intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
if (!intel_connector) {
- kfree(intel_encoder);
+ kfree(intel_lvds);
return;
}
- connector = &intel_connector->base;
+ intel_encoder = &intel_lvds->base;
encoder = &intel_encoder->enc;
+ connector = &intel_connector->base;
drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
@@ -905,8 +897,6 @@
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
- lvds_priv = (struct intel_lvds_priv *)(intel_encoder + 1);
- intel_encoder->dev_priv = lvds_priv;
/* create the scaling mode property */
drm_mode_create_scaling_mode_property(dev);
/*
@@ -916,7 +906,7 @@
drm_connector_attach_property(&intel_connector->base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_ASPECT);
- lvds_priv->fitting_mode = DRM_MODE_SCALE_ASPECT;
+ intel_lvds->fitting_mode = DRM_MODE_SCALE_ASPECT;
/*
* LVDS discovery:
* 1) check for EDID on DDC
@@ -1024,6 +1014,6 @@
intel_i2c_destroy(intel_encoder->ddc_bus);
drm_connector_cleanup(connector);
drm_encoder_cleanup(encoder);
- kfree(intel_encoder);
+ kfree(intel_lvds);
kfree(intel_connector);
}