diff options
| author | Alan Cox <alan@linux.intel.com> | 2011-07-11 19:41:09 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-07-15 19:05:00 +0200 |
| commit | 78010c75d290d8061fbbd75625101f382c44f204 (patch) | |
| tree | 08369fef2a1edd288b871fae98b73cb41ffe60be /drivers/staging/gma500 | |
| parent | f00dfacb5123f2c439973347bf9ec7ebf3af8719 (diff) | |
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 <alan@linux.intel.com>
Tested-by: Luca Forina <luca.forina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/gma500')
| -rw-r--r-- | drivers/staging/gma500/cdv_intel_lvds.c | 3 | ||||
| -rw-r--r-- | drivers/staging/gma500/mrst_lvds.c | 5 | ||||
| -rw-r--r-- | drivers/staging/gma500/psb_intel_lvds.c | 3 |
3 files changed, 8 insertions, 3 deletions
diff --git a/drivers/staging/gma500/cdv_intel_lvds.c b/drivers/staging/gma500/cdv_intel_lvds.c index 19ad9bb8ffe0..d9478d565ff5 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 127b2003edaf..3e15ecd4bd2c 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 c4111b594fb8..03132a4e7dfd 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); |