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authorFrancisco Jerez <currojerez@riseup.net>2010-08-05 22:57:08 +0200
committerBen Skeggs <bskeggs@redhat.com>2010-08-09 15:16:23 +1000
commitc93ebb4021ff1fdffe78be89a4bd30bc7cbc75e6 (patch)
treec5869fd94b3891c3f75f923d15b9dc2e554c4d68
parent1849719ef86e29def631a473e496507a4e052c06 (diff)
drm/i2c/ch7006: Don't use POWER_LEVEL_FULL_POWER_OFF on early chip versions.
Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/i2c/ch7006_drv.c1
-rw-r--r--drivers/gpu/drm/i2c/ch7006_mode.c5
-rw-r--r--drivers/gpu/drm/i2c/ch7006_priv.h1
3 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c
index 833b35f44a77..08792a740f18 100644
--- a/drivers/gpu/drm/i2c/ch7006_drv.c
+++ b/drivers/gpu/drm/i2c/ch7006_drv.c
@@ -470,6 +470,7 @@ static int ch7006_encoder_init(struct i2c_client *client,
priv->hmargin = 50;
priv->vmargin = 50;
priv->last_dpms = -1;
+ priv->chip_version = ch7006_read(client, CH7006_VERSION_ID);
if (ch7006_tv_norm) {
for (i = 0; i < NUM_TV_NORMS; i++) {
diff --git a/drivers/gpu/drm/i2c/ch7006_mode.c b/drivers/gpu/drm/i2c/ch7006_mode.c
index e447dfb63890..c860f24a5afc 100644
--- a/drivers/gpu/drm/i2c/ch7006_mode.c
+++ b/drivers/gpu/drm/i2c/ch7006_mode.c
@@ -316,7 +316,10 @@ void ch7006_setup_power_state(struct drm_encoder *encoder)
}
} else {
- *power |= bitfs(CH7006_POWER_LEVEL, FULL_POWER_OFF);
+ if (priv->chip_version >= 0x20)
+ *power |= bitfs(CH7006_POWER_LEVEL, FULL_POWER_OFF);
+ else
+ *power |= bitfs(CH7006_POWER_LEVEL, POWER_OFF);
}
}
diff --git a/drivers/gpu/drm/i2c/ch7006_priv.h b/drivers/gpu/drm/i2c/ch7006_priv.h
index 1c6d2e3bd96f..17667b7d57e7 100644
--- a/drivers/gpu/drm/i2c/ch7006_priv.h
+++ b/drivers/gpu/drm/i2c/ch7006_priv.h
@@ -95,6 +95,7 @@ struct ch7006_priv {
int flicker;
int scale;
+ int chip_version;
int last_dpms;
};