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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>
hifive-unleashed-5.1
Alan Cox 2011-11-29 22:27:57 +00:00 committed by Dave Airlie
parent aa0c45fdca
commit 1b22edfd6e
2 changed files with 35 additions and 11 deletions
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11
drivers/gpu/drm/gma500/oaktrail_device.c
View File

@ -457,9 +457,13 @@ static int oaktrail_power_up(struct drm_device *dev)
}
static void oaktrail_chip_setup(struct drm_device *dev)
static int oaktrail_chip_setup(struct drm_device *dev)
{
int ret = mid_chip_setup(dev);
struct drm_psb_private *dev_priv = dev->dev_private;
struct oaktrail_vbt *vbt = &dev_priv->vbt_data;
int ret;
ret = mid_chip_setup(dev);
if (ret < 0)
return ret;
if (vbt->size == 0) {
@ -472,6 +476,9 @@ static void oaktrail_chip_setup(struct drm_device *dev)
static void oaktrail_teardown(struct drm_device *dev)
{
struct drm_psb_private *dev_priv = dev->dev_private;
struct oaktrail_vbt *vbt = &dev_priv->vbt_data;
oaktrail_hdmi_teardown(dev);
if (vbt->size == 0)
psb_intel_destroy_bios(dev);

35
drivers/gpu/drm/gma500/oaktrail_lvds.c
View File

@ -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]);
mode_dev->panel_fixed_mode = mode;
}
drm_mode_set_name(mode);
drm_mode_set_crtcinfo(mode, 0);
/* 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);
return 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;