From c93ebb4021ff1fdffe78be89a4bd30bc7cbc75e6 Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Thu, 5 Aug 2010 22:57:08 +0200 Subject: [PATCH] drm/i2c/ch7006: Don't use POWER_LEVEL_FULL_POWER_OFF on early chip versions. Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/i2c/ch7006_drv.c | 1 + drivers/gpu/drm/i2c/ch7006_mode.c | 5 ++++- drivers/gpu/drm/i2c/ch7006_priv.h | 1 + 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c index 833b35f..08792a7 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 e447dfb..c860f24 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 1c6d2e3..17667b7 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; }; -- 2.7.4