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path: root/drivers/gpu/drm/i915/intel_lvds.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c227
1 files changed, 124 insertions, 103 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index edba93b3474b..b9a660a53677 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -40,28 +40,30 @@
#include <linux/acpi.h>
/* Private structure for the integrated LVDS support */
-struct intel_lvds {
- struct intel_encoder base;
+struct intel_lvds_connector {
+ struct intel_connector base;
- struct edid *edid;
+ struct notifier_block lid_notifier;
+};
+
+struct intel_lvds_encoder {
+ struct intel_encoder base;
- int fitting_mode;
u32 pfit_control;
u32 pfit_pgm_ratios;
bool pfit_dirty;
- struct drm_display_mode *fixed_mode;
+ struct intel_lvds_connector *attached_connector;
};
-static struct intel_lvds *to_intel_lvds(struct drm_encoder *encoder)
+static struct intel_lvds_encoder *to_lvds_encoder(struct drm_encoder *encoder)
{
- return container_of(encoder, struct intel_lvds, base.base);
+ return container_of(encoder, struct intel_lvds_encoder, base.base);
}
-static struct intel_lvds *intel_attached_lvds(struct drm_connector *connector)
+static struct intel_lvds_connector *to_lvds_connector(struct drm_connector *connector)
{
- return container_of(intel_attached_encoder(connector),
- struct intel_lvds, base);
+ return container_of(connector, struct intel_lvds_connector, base.base);
}
static bool intel_lvds_get_hw_state(struct intel_encoder *encoder,
@@ -96,7 +98,7 @@ static bool intel_lvds_get_hw_state(struct intel_encoder *encoder,
static void intel_enable_lvds(struct intel_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
- struct intel_lvds *intel_lvds = to_intel_lvds(&encoder->base);
+ struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
struct drm_i915_private *dev_priv = dev->dev_private;
u32 ctl_reg, lvds_reg, stat_reg;
@@ -113,7 +115,7 @@ static void intel_enable_lvds(struct intel_encoder *encoder)
I915_WRITE(lvds_reg, I915_READ(lvds_reg) | LVDS_PORT_EN);
- if (intel_lvds->pfit_dirty) {
+ if (lvds_encoder->pfit_dirty) {
/*
* Enable automatic panel scaling so that non-native modes
* fill the screen. The panel fitter should only be
@@ -121,12 +123,12 @@ static void intel_enable_lvds(struct intel_encoder *encoder)
* register description and PRM.
*/
DRM_DEBUG_KMS("applying panel-fitter: %x, %x\n",
- intel_lvds->pfit_control,
- intel_lvds->pfit_pgm_ratios);
+ lvds_encoder->pfit_control,
+ lvds_encoder->pfit_pgm_ratios);
- I915_WRITE(PFIT_PGM_RATIOS, intel_lvds->pfit_pgm_ratios);
- I915_WRITE(PFIT_CONTROL, intel_lvds->pfit_control);
- intel_lvds->pfit_dirty = false;
+ I915_WRITE(PFIT_PGM_RATIOS, lvds_encoder->pfit_pgm_ratios);
+ I915_WRITE(PFIT_CONTROL, lvds_encoder->pfit_control);
+ lvds_encoder->pfit_dirty = false;
}
I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON);
@@ -140,7 +142,7 @@ static void intel_enable_lvds(struct intel_encoder *encoder)
static void intel_disable_lvds(struct intel_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
- struct intel_lvds *intel_lvds = to_intel_lvds(&encoder->base);
+ struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);
struct drm_i915_private *dev_priv = dev->dev_private;
u32 ctl_reg, lvds_reg, stat_reg;
@@ -160,9 +162,9 @@ static void intel_disable_lvds(struct intel_encoder *encoder)
if (wait_for((I915_READ(stat_reg) & PP_ON) == 0, 1000))
DRM_ERROR("timed out waiting for panel to power off\n");
- if (intel_lvds->pfit_control) {
+ if (lvds_encoder->pfit_control) {
I915_WRITE(PFIT_CONTROL, 0);
- intel_lvds->pfit_dirty = true;
+ lvds_encoder->pfit_dirty = true;
}
I915_WRITE(lvds_reg, I915_READ(lvds_reg) & ~LVDS_PORT_EN);
@@ -172,8 +174,8 @@ static void intel_disable_lvds(struct intel_encoder *encoder)
static int intel_lvds_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
- struct drm_display_mode *fixed_mode = intel_lvds->fixed_mode;
+ struct intel_connector *intel_connector = to_intel_connector(connector);
+ struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
if (mode->hdisplay > fixed_mode->hdisplay)
return MODE_PANEL;
@@ -249,8 +251,10 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
- struct intel_crtc *intel_crtc = intel_lvds->base.new_crtc;
+ struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(encoder);
+ struct intel_connector *intel_connector =
+ &lvds_encoder->attached_connector->base;
+ struct intel_crtc *intel_crtc = lvds_encoder->base.new_crtc;
u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
int pipe;
@@ -260,7 +264,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
return false;
}
- if (intel_encoder_check_is_cloned(&intel_lvds->base))
+ if (intel_encoder_check_is_cloned(&lvds_encoder->base))
return false;
/*
@@ -269,10 +273,12 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
* with the panel scaling set up to source from the H/VDisplay
* of the original mode.
*/
- intel_fixed_panel_mode(intel_lvds->fixed_mode, adjusted_mode);
+ intel_fixed_panel_mode(intel_connector->panel.fixed_mode,
+ adjusted_mode);
if (HAS_PCH_SPLIT(dev)) {
- intel_pch_panel_fitting(dev, intel_lvds->fitting_mode,
+ intel_pch_panel_fitting(dev,
+ intel_connector->panel.fitting_mode,
mode, adjusted_mode);
return true;
}
@@ -298,7 +304,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
drm_mode_set_crtcinfo(adjusted_mode, 0);
- switch (intel_lvds->fitting_mode) {
+ switch (intel_connector->panel.fitting_mode) {
case DRM_MODE_SCALE_CENTER:
/*
* For centered modes, we have to calculate border widths &
@@ -396,11 +402,11 @@ out:
if (INTEL_INFO(dev)->gen < 4 && dev_priv->lvds_dither)
pfit_control |= PANEL_8TO6_DITHER_ENABLE;
- if (pfit_control != intel_lvds->pfit_control ||
- pfit_pgm_ratios != intel_lvds->pfit_pgm_ratios) {
- intel_lvds->pfit_control = pfit_control;
- intel_lvds->pfit_pgm_ratios = pfit_pgm_ratios;
- intel_lvds->pfit_dirty = true;
+ if (pfit_control != lvds_encoder->pfit_control ||
+ pfit_pgm_ratios != lvds_encoder->pfit_pgm_ratios) {
+ lvds_encoder->pfit_control = pfit_control;
+ lvds_encoder->pfit_pgm_ratios = pfit_pgm_ratios;
+ lvds_encoder->pfit_dirty = true;
}
dev_priv->lvds_border_bits = border;
@@ -449,14 +455,15 @@ intel_lvds_detect(struct drm_connector *connector, bool force)
*/
static int intel_lvds_get_modes(struct drm_connector *connector)
{
- struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
+ struct intel_lvds_connector *lvds_connector = to_lvds_connector(connector);
struct drm_device *dev = connector->dev;
struct drm_display_mode *mode;
- if (intel_lvds->edid)
- return drm_add_edid_modes(connector, intel_lvds->edid);
+ /* use cached edid if we have one */
+ if (!IS_ERR_OR_NULL(lvds_connector->base.edid))
+ return drm_add_edid_modes(connector, lvds_connector->base.edid);
- mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode);
+ mode = drm_mode_duplicate(dev, lvds_connector->base.panel.fixed_mode);
if (mode == NULL)
return 0;
@@ -496,10 +503,11 @@ static const struct dmi_system_id intel_no_modeset_on_lid[] = {
static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
void *unused)
{
- struct drm_i915_private *dev_priv =
- container_of(nb, struct drm_i915_private, lid_notifier);
- struct drm_device *dev = dev_priv->dev;
- struct drm_connector *connector = dev_priv->int_lvds_connector;
+ struct intel_lvds_connector *lvds_connector =
+ container_of(nb, struct intel_lvds_connector, lid_notifier);
+ struct drm_connector *connector = &lvds_connector->base.base;
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
if (dev->switch_power_state != DRM_SWITCH_POWER_ON)
return NOTIFY_OK;
@@ -508,9 +516,7 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
* check and update the status of LVDS connector after receiving
* the LID nofication event.
*/
- if (connector)
- connector->status = connector->funcs->detect(connector,
- false);
+ connector->status = connector->funcs->detect(connector, false);
/* Don't force modeset on machines where it causes a GPU lockup */
if (dmi_check_system(intel_no_modeset_on_lid))
@@ -526,7 +532,7 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
dev_priv->modeset_on_lid = 0;
mutex_lock(&dev->mode_config.mutex);
- intel_modeset_check_state(dev);
+ intel_modeset_setup_hw_state(dev, true);
mutex_unlock(&dev->mode_config.mutex);
return NOTIFY_OK;
@@ -541,13 +547,18 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
*/
static void intel_lvds_destroy(struct drm_connector *connector)
{
- struct drm_device *dev = connector->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_lvds_connector *lvds_connector =
+ to_lvds_connector(connector);
- intel_panel_destroy_backlight(dev);
+ if (lvds_connector->lid_notifier.notifier_call)
+ acpi_lid_notifier_unregister(&lvds_connector->lid_notifier);
+
+ if (!IS_ERR_OR_NULL(lvds_connector->base.edid))
+ kfree(lvds_connector->base.edid);
+
+ intel_panel_destroy_backlight(connector->dev);
+ intel_panel_fini(&lvds_connector->base.panel);
- if (dev_priv->lid_notifier.notifier_call)
- acpi_lid_notifier_unregister(&dev_priv->lid_notifier);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(connector);
@@ -557,22 +568,24 @@ static int intel_lvds_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value)
{
- struct intel_lvds *intel_lvds = intel_attached_lvds(connector);
+ struct intel_connector *intel_connector = to_intel_connector(connector);
struct drm_device *dev = connector->dev;
if (property == dev->mode_config.scaling_mode_property) {
- struct drm_crtc *crtc = intel_lvds->base.base.crtc;
+ struct drm_crtc *crtc;
if (value == DRM_MODE_SCALE_NONE) {
DRM_DEBUG_KMS("no scaling not supported\n");
return -EINVAL;
}
- if (intel_lvds->fitting_mode == value) {
+ if (intel_connector->panel.fitting_mode == value) {
/* the LVDS scaling property is not changed */
return 0;
}
- intel_lvds->fitting_mode = value;
+ intel_connector->panel.fitting_mode = value;
+
+ crtc = intel_attached_encoder(connector)->base.crtc;
if (crtc && crtc->enabled) {
/*
* If the CRTC is enabled, the display will be changed
@@ -912,12 +925,15 @@ static bool intel_lvds_supported(struct drm_device *dev)
bool intel_lvds_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_lvds *intel_lvds;
+ struct intel_lvds_encoder *lvds_encoder;
struct intel_encoder *intel_encoder;
+ struct intel_lvds_connector *lvds_connector;
struct intel_connector *intel_connector;
struct drm_connector *connector;
struct drm_encoder *encoder;
struct drm_display_mode *scan; /* *modes, *bios_mode; */
+ struct drm_display_mode *fixed_mode = NULL;
+ struct edid *edid;
struct drm_crtc *crtc;
u32 lvds;
int pipe;
@@ -945,23 +961,25 @@ bool intel_lvds_init(struct drm_device *dev)
}
}
- intel_lvds = kzalloc(sizeof(struct intel_lvds), GFP_KERNEL);
- if (!intel_lvds) {
+ lvds_encoder = kzalloc(sizeof(struct intel_lvds_encoder), GFP_KERNEL);
+ if (!lvds_encoder)
return false;
- }
- intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
- if (!intel_connector) {
- kfree(intel_lvds);
+ lvds_connector = kzalloc(sizeof(struct intel_lvds_connector), GFP_KERNEL);
+ if (!lvds_connector) {
+ kfree(lvds_encoder);
return false;
}
+ lvds_encoder->attached_connector = lvds_connector;
+
if (!HAS_PCH_SPLIT(dev)) {
- intel_lvds->pfit_control = I915_READ(PFIT_CONTROL);
+ lvds_encoder->pfit_control = I915_READ(PFIT_CONTROL);
}
- intel_encoder = &intel_lvds->base;
+ intel_encoder = &lvds_encoder->base;
encoder = &intel_encoder->base;
+ intel_connector = &lvds_connector->base;
connector = &intel_connector->base;
drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
@@ -993,14 +1011,10 @@ bool intel_lvds_init(struct drm_device *dev)
/* create the scaling mode property */
drm_mode_create_scaling_mode_property(dev);
- /*
- * the initial panel fitting mode will be FULL_SCREEN.
- */
-
- drm_connector_attach_property(&intel_connector->base,
+ drm_object_attach_property(&connector->base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_ASPECT);
- intel_lvds->fitting_mode = DRM_MODE_SCALE_ASPECT;
+ intel_connector->panel.fitting_mode = DRM_MODE_SCALE_ASPECT;
/*
* LVDS discovery:
* 1) check for EDID on DDC
@@ -1015,20 +1029,21 @@ bool intel_lvds_init(struct drm_device *dev)
* Attempt to get the fixed panel mode from DDC. Assume that the
* preferred mode is the right one.
*/
- intel_lvds->edid = drm_get_edid(connector,
- intel_gmbus_get_adapter(dev_priv,
- pin));
- if (intel_lvds->edid) {
- if (drm_add_edid_modes(connector,
- intel_lvds->edid)) {
+ edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, pin));
+ if (edid) {
+ if (drm_add_edid_modes(connector, edid)) {
drm_mode_connector_update_edid_property(connector,
- intel_lvds->edid);
+ edid);
} else {
- kfree(intel_lvds->edid);
- intel_lvds->edid = NULL;
+ kfree(edid);
+ edid = ERR_PTR(-EINVAL);
}
+ } else {
+ edid = ERR_PTR(-ENOENT);
}
- if (!intel_lvds->edid) {
+ lvds_connector->base.edid = edid;
+
+ if (IS_ERR_OR_NULL(edid)) {
/* Didn't get an EDID, so
* Set wide sync ranges so we get all modes
* handed to valid_mode for checking
@@ -1041,22 +1056,26 @@ bool intel_lvds_init(struct drm_device *dev)
list_for_each_entry(scan, &connector->probed_modes, head) {
if (scan->type & DRM_MODE_TYPE_PREFERRED) {
- intel_lvds->fixed_mode =
- drm_mode_duplicate(dev, scan);
- intel_find_lvds_downclock(dev,
- intel_lvds->fixed_mode,
- connector);
- goto out;
+ DRM_DEBUG_KMS("using preferred mode from EDID: ");
+ drm_mode_debug_printmodeline(scan);
+
+ fixed_mode = drm_mode_duplicate(dev, scan);
+ if (fixed_mode) {
+ intel_find_lvds_downclock(dev, fixed_mode,
+ connector);
+ goto out;
+ }
}
}
/* Failed to get EDID, what about VBT? */
if (dev_priv->lfp_lvds_vbt_mode) {
- intel_lvds->fixed_mode =
- drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
- if (intel_lvds->fixed_mode) {
- intel_lvds->fixed_mode->type |=
- DRM_MODE_TYPE_PREFERRED;
+ DRM_DEBUG_KMS("using mode from VBT: ");
+ drm_mode_debug_printmodeline(dev_priv->lfp_lvds_vbt_mode);
+
+ fixed_mode = drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
+ if (fixed_mode) {
+ fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
goto out;
}
}
@@ -1076,16 +1095,17 @@ bool intel_lvds_init(struct drm_device *dev)
crtc = intel_get_crtc_for_pipe(dev, pipe);
if (crtc && (lvds & LVDS_PORT_EN)) {
- intel_lvds->fixed_mode = intel_crtc_mode_get(dev, crtc);
- if (intel_lvds->fixed_mode) {
- intel_lvds->fixed_mode->type |=
- DRM_MODE_TYPE_PREFERRED;
+ fixed_mode = intel_crtc_mode_get(dev, crtc);
+ if (fixed_mode) {
+ DRM_DEBUG_KMS("using current (BIOS) mode: ");
+ drm_mode_debug_printmodeline(fixed_mode);
+ fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
goto out;
}
}
/* If we still don't have a mode after all that, give up. */
- if (!intel_lvds->fixed_mode)
+ if (!fixed_mode)
goto failed;
out:
@@ -1100,16 +1120,15 @@ out:
I915_WRITE(PP_CONTROL,
I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS);
}
- dev_priv->lid_notifier.notifier_call = intel_lid_notify;
- if (acpi_lid_notifier_register(&dev_priv->lid_notifier)) {
+ lvds_connector->lid_notifier.notifier_call = intel_lid_notify;
+ if (acpi_lid_notifier_register(&lvds_connector->lid_notifier)) {
DRM_DEBUG_KMS("lid notifier registration failed\n");
- dev_priv->lid_notifier.notifier_call = NULL;
+ lvds_connector->lid_notifier.notifier_call = NULL;
}
- /* keep the LVDS connector */
- dev_priv->int_lvds_connector = connector;
drm_sysfs_connector_add(connector);
- intel_panel_setup_backlight(dev);
+ intel_panel_init(&intel_connector->panel, fixed_mode);
+ intel_panel_setup_backlight(connector);
return true;
@@ -1117,7 +1136,9 @@ failed:
DRM_DEBUG_KMS("No LVDS modes found, disabling.\n");
drm_connector_cleanup(connector);
drm_encoder_cleanup(encoder);
- kfree(intel_lvds);
- kfree(intel_connector);
+ if (fixed_mode)
+ drm_mode_destroy(dev, fixed_mode);
+ kfree(lvds_encoder);
+ kfree(lvds_connector);
return false;
}