diff options
| author | Alan Cox <alan@linux.intel.com> | 2011-11-30 02:27:57 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-06 13:55:42 +0400 |
| commit | 1b22edfd6efd02b6cb9cfe3389ed54731abb3a45 (patch) | |
| tree | 1c3fddcf3e7fbf086e857884113a748d9b9d17e7 /drivers/gpu/drm/gma500/oaktrail_lvds.c | |
| parent | aa0c45fdca0cff3d1ba06578a84c9bc7f29a0960 (diff) | |
| download | linux-1b22edfd6efd02b6cb9cfe3389ed54731abb3a45.tar.xz | |
gma500: Oaktrail BIOS handling
Now that we pull the right BIOS data out of the hat we need to use it when
doing our panel setup.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/gma500/oaktrail_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/oaktrail_lvds.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c index a552226a08ff..69659cad6778 100644 --- a/drivers/gpu/drm/gma500/oaktrail_lvds.c +++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c @@ -228,17 +228,20 @@ static struct drm_display_mode lvds_configuration_modes[] = { /* Returns the panel fixed mode from configuration. */ -static struct drm_display_mode * -oaktrail_lvds_get_configuration_mode(struct drm_device *dev) +static void oaktrail_lvds_get_configuration_mode(struct drm_device *dev, + struct psb_intel_mode_device *mode_dev) { struct drm_display_mode *mode = NULL; struct drm_psb_private *dev_priv = dev->dev_private; struct oaktrail_timing_info *ti = &dev_priv->gct_data.DTD; + mode_dev->panel_fixed_mode = NULL; + + /* Use the firmware provided data on Moorestown */ if (dev_priv->vbt_data.size != 0x00) { /*if non-zero, then use vbt*/ mode = kzalloc(sizeof(*mode), GFP_KERNEL); if (!mode) - return NULL; + return; mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; @@ -270,13 +273,27 @@ oaktrail_lvds_get_configuration_mode(struct drm_device *dev) printk(KERN_INFO "vtotal is %d\n", mode->vtotal); printk(KERN_INFO "clock is %d\n", mode->clock); #endif - } else - mode = drm_mode_duplicate(dev, &lvds_configuration_modes[2]); - - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); + mode_dev->panel_fixed_mode = mode; + } - return mode; + /* Use the BIOS VBT mode if available */ + if (mode_dev->panel_fixed_mode == NULL && mode_dev->vbt_mode) + mode_dev->panel_fixed_mode = drm_mode_duplicate(dev, + mode_dev->vbt_mode); + + /* Then try the LVDS VBT mode */ + if (mode_dev->panel_fixed_mode == NULL) + if (dev_priv->lfp_lvds_vbt_mode) + mode_dev->panel_fixed_mode = + drm_mode_duplicate(dev, + dev_priv->lfp_lvds_vbt_mode); + /* Then guess */ + if (mode_dev->panel_fixed_mode == NULL) + mode_dev->panel_fixed_mode + = drm_mode_duplicate(dev, &lvds_configuration_modes[2]); + + drm_mode_set_name(mode_dev->panel_fixed_mode); + drm_mode_set_crtcinfo(mode_dev->panel_fixed_mode, 0); } /** @@ -375,7 +392,7 @@ void oaktrail_lvds_init(struct drm_device *dev, * If we didn't get EDID, try geting panel timing * from configuration data */ - mode_dev->panel_fixed_mode = oaktrail_lvds_get_configuration_mode(dev); + oaktrail_lvds_get_configuration_mode(dev, mode_dev); if (mode_dev->panel_fixed_mode) { mode_dev->panel_fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; |