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nouveau: change the backlight parent device to the connector, not the PCI dev

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We may eventually end up with per-connector backlights, especially with
ddcci devices.  Make sure that the parent node for the backlight device is
the connector rather than the PCI device.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Airlie <airlied@linux.ie>
Cc: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Sedat Dilek <sedat.dilek@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Garrett 2011-03-22 16:30:24 -07:00 committed by Linus Torvalds
parent 63ec0119d3
commit 7eae3efa13
4 changed files with 27 additions and 20 deletions
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24
drivers/gpu/drm/nouveau/nouveau_backlight.c
View File

@ -88,10 +88,11 @@ static const struct backlight_ops nv50_bl_ops = {
.update_status = nv50_set_intensity,
};
static int nouveau_nv40_backlight_init(struct drm_device *dev)
static int nouveau_nv40_backlight_init(struct drm_connector *connector)
{
struct backlight_properties props;
struct drm_device *dev = connector->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct backlight_properties props;
struct backlight_device *bd;
if (!(nv_rd32(dev, NV40_PMC_BACKLIGHT) & NV40_PMC_BACKLIGHT_MASK))
@ -100,7 +101,7 @@ static int nouveau_nv40_backlight_init(struct drm_device *dev)
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = 31;
bd = backlight_device_register("nv_backlight", &dev->pdev->dev, dev,
bd = backlight_device_register("nv_backlight", &connector->kdev, dev,
&nv40_bl_ops, &props);
if (IS_ERR(bd))
return PTR_ERR(bd);
@ -112,10 +113,11 @@ static int nouveau_nv40_backlight_init(struct drm_device *dev)
return 0;
}
static int nouveau_nv50_backlight_init(struct drm_device *dev)
static int nouveau_nv50_backlight_init(struct drm_connector *connector)
{
struct backlight_properties props;
struct drm_device *dev = connector->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct backlight_properties props;
struct backlight_device *bd;
if (!nv_rd32(dev, NV50_PDISPLAY_SOR_BACKLIGHT))
@ -124,7 +126,7 @@ static int nouveau_nv50_backlight_init(struct drm_device *dev)
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = 1025;
bd = backlight_device_register("nv_backlight", &dev->pdev->dev, dev,
bd = backlight_device_register("nv_backlight", &connector->kdev, dev,
&nv50_bl_ops, &props);
if (IS_ERR(bd))
return PTR_ERR(bd);
@ -135,8 +137,9 @@ static int nouveau_nv50_backlight_init(struct drm_device *dev)
return 0;
}
int nouveau_backlight_init(struct drm_device *dev)
int nouveau_backlight_init(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
#ifdef CONFIG_ACPI
@ -149,9 +152,9 @@ int nouveau_backlight_init(struct drm_device *dev)
switch (dev_priv->card_type) {
case NV_40:
return nouveau_nv40_backlight_init(dev);
return nouveau_nv40_backlight_init(connector);
case NV_50:
return nouveau_nv50_backlight_init(dev);
return nouveau_nv50_backlight_init(connector);
default:
break;
}
@ -159,8 +162,9 @@ int nouveau_backlight_init(struct drm_device *dev)
return 0;
}
void nouveau_backlight_exit(struct drm_device *dev)
void nouveau_backlight_exit(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (dev_priv->backlight) {

9
drivers/gpu/drm/nouveau/nouveau_connector.c
View File

@ -116,6 +116,10 @@ nouveau_connector_destroy(struct drm_connector *connector)
nouveau_connector_hotplug, connector);
}
if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
connector->connector_type == DRM_MODE_CONNECTOR_eDP)
nouveau_backlight_exit(connector);
kfree(nv_connector->edid);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
@ -894,6 +898,11 @@ nouveau_connector_create(struct drm_device *dev, int index)
}
drm_sysfs_connector_add(connector);
if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
connector->connector_type == DRM_MODE_CONNECTOR_eDP)
nouveau_backlight_init(connector);
dcb->drm = connector;
return dcb->drm;

8
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -999,15 +999,15 @@ static inline int nouveau_acpi_edid(struct drm_device *dev, struct drm_connector
/* nouveau_backlight.c */
#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
extern int nouveau_backlight_init(struct drm_device *);
extern void nouveau_backlight_exit(struct drm_device *);
extern int nouveau_backlight_init(struct drm_connector *);
extern void nouveau_backlight_exit(struct drm_connector *);
#else
static inline int nouveau_backlight_init(struct drm_device *dev)
static inline int nouveau_backlight_init(struct drm_connector *dev)
{
return 0;
}
static inline void nouveau_backlight_exit(struct drm_device *dev) { }
static inline void nouveau_backlight_exit(struct drm_connector *dev) { }
#endif
/* nouveau_bios.c */

6
drivers/gpu/drm/nouveau/nouveau_state.c
View File

@ -704,10 +704,6 @@ nouveau_card_init(struct drm_device *dev)
goto out_fence;
}
ret = nouveau_backlight_init(dev);
if (ret)
NV_ERROR(dev, "Error %d registering backlight\n", ret);
nouveau_fbcon_init(dev);
drm_kms_helper_poll_init(dev);
return 0;
@ -759,8 +755,6 @@ static void nouveau_card_takedown(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
nouveau_backlight_exit(dev);
if (!engine->graph.accel_blocked) {
nouveau_fence_fini(dev);
nouveau_channel_put_unlocked(&dev_priv->channel);