From 78010c75d290d8061fbbd75625101f382c44f204 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 11 Jul 2011 19:41:09 +0100 Subject: gma500: Sort out dither Ubuntu users reported that dithering was not being set on Poulsbo, and they have a point as we set one variable and check another which is never set. Signed-off-by: Alan Cox Tested-by: Luca Forina Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/gma500/cdv_intel_lvds.c b/drivers/staging/gma500/cdv_intel_lvds.c index 19ad9bb..d9478d5 100644 --- a/drivers/staging/gma500/cdv_intel_lvds.c +++ b/drivers/staging/gma500/cdv_intel_lvds.c @@ -356,6 +356,7 @@ static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder, struct psb_intel_mode_device *mode_dev = enc_to_psb_intel_output(encoder)->mode_dev; struct drm_device *dev = encoder->dev; + struct drm_psb_private *dev_priv = dev->dev_private; u32 pfit_control; /* @@ -377,7 +378,7 @@ static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder, else pfit_control = 0; - if (mode_dev->panel_wants_dither) + if (dev_priv->lvds_dither) pfit_control |= PANEL_8TO6_DITHER_ENABLE; REG_WRITE(PFIT_CONTROL, pfit_control); diff --git a/drivers/staging/gma500/mrst_lvds.c b/drivers/staging/gma500/mrst_lvds.c index 127b200..3e15ecd 100644 --- a/drivers/staging/gma500/mrst_lvds.c +++ b/drivers/staging/gma500/mrst_lvds.c @@ -91,6 +91,7 @@ static void mrst_lvds_mode_set(struct drm_encoder *encoder, struct psb_intel_mode_device *mode_dev = enc_to_psb_intel_output(encoder)->mode_dev; struct drm_device *dev = encoder->dev; + struct drm_psb_private *dev_priv = dev->dev_private; u32 lvds_port; uint64_t v = DRM_MODE_SCALE_FULLSCREEN; @@ -107,7 +108,9 @@ static void mrst_lvds_mode_set(struct drm_encoder *encoder, LVDS_PORT_EN | LVDS_BORDER_EN; - if (mode_dev->panel_wants_dither) + /* If the firmware says dither on Moorestown, or the BIOS does + on Oaktrail then enable dithering */ + if (mode_dev->panel_wants_dither || dev_priv->lvds_dither) lvds_port |= MRST_PANEL_8TO6_DITHER_ENABLE; REG_WRITE(LVDS, lvds_port); diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c index c4111b5..03132a4 100644 --- a/drivers/staging/gma500/psb_intel_lvds.c +++ b/drivers/staging/gma500/psb_intel_lvds.c @@ -470,6 +470,7 @@ static void psb_intel_lvds_mode_set(struct drm_encoder *encoder, struct psb_intel_mode_device *mode_dev = enc_to_psb_intel_output(encoder)->mode_dev; struct drm_device *dev = encoder->dev; + struct drm_psb_private *dev_priv = dev->dev_private; u32 pfit_control; /* @@ -491,7 +492,7 @@ static void psb_intel_lvds_mode_set(struct drm_encoder *encoder, else pfit_control = 0; - if (mode_dev->panel_wants_dither) + if (dev_priv->lvds_dither) pfit_control |= PANEL_8TO6_DITHER_ENABLE; REG_WRITE(PFIT_CONTROL, pfit_control); -- cgit v0.10.2