int psb_set_brightness(struct backlight_device *bd)
{
struct drm_device *dev =
(struct drm_device *)bl_get_data(psb_backlight_device);
struct drm_psb_private *dev_priv =
(struct drm_psb_private *)dev->dev_private;
int level;
if (bd != NULL)
level = bd->props.brightness;
else
level = lastFailedBrightness;
DRM_DEBUG_DRIVER("backlight level set to %d\n", level);
PSB_DEBUG_ENTRY("[DISPLAY] %s: level is %d\n", __func__, level); //DIV5-MM-DISPLAY-NC-LCM_INIT-00
/* Perform value bounds checking */
if (level < BRIGHTNESS_MIN_LEVEL)
level = BRIGHTNESS_MIN_LEVEL;
lastFailedBrightness = -1;
if (IS_FLDS(dev)) {
u32 adjusted_level = 0;
/* Adjust the backlight level with the percent in
* dev_priv->blc_adj2;
*/
adjusted_level = level * dev_priv->blc_adj2;
adjusted_level = adjusted_level / BLC_ADJUSTMENT_MAX / 100;
dev_priv->brightness_adjusted = adjusted_level;
#ifndef CONFIG_MID_DSI_DPU
if (!(dev_priv->dsr_fb_update & MDFLD_DSR_MIPI_CONTROL)
&& (dev_priv->dbi_panel_on
|| dev_priv->dbi_panel_on2)) {
mdfld_dsi_dbi_exit_dsr(dev,
MDFLD_DSR_MIPI_CONTROL,
0, 0);
PSB_DEBUG_ENTRY
("Out of DSR before set brightness to %d.\n",
adjusted_level);
}
#endif
PSB_DEBUG_BL("Adjusted Backlight value: %d\n", adjusted_level);
mdfld_dsi_brightness_control(dev, 0, adjusted_level);
mdfld_dsi_brightness_control(dev, 2, adjusted_level);
}
/* cache the brightness for later use */
psb_brightness = level;
return 0;
}
static void mdfld_dsi_dbi_dpms(struct drm_encoder *encoder, int mode)
{
struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
struct mdfld_dsi_dbi_output *dbi_output
= MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
struct drm_device *dev = dbi_output->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
static bool bdispoff;
dev_dbg(dev->dev, "%s\n", (mode == DRM_MODE_DPMS_ON ? "on" : "off"));
if (mode == DRM_MODE_DPMS_ON) {
/*
* FIXME: in case I am wrong!
* we don't need to exit dsr here to wake up plane/pipe/pll
* if everything goes right, hw_begin will resume them all
* during set_power.
*/
if (bdispoff /* FIXME && gbgfxsuspended */) {
mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_2D_3D);
bdispoff = false;
dev_priv->dispstatus = true;
}
mdfld_dsi_dbi_set_power(encoder, true);
/* FIXME if (gbgfxsuspended)
gbgfxsuspended = false; */
} else {
/*
* I am not sure whether this is the perfect place to
* turn rpm on since we still have a lot of CRTC turnning
* on work to do.
*/
bdispoff = true;
dev_priv->dispstatus = false;
mdfld_dsi_dbi_set_power(encoder, false);
}
}
static int mfld_set_brightness(struct backlight_device *bd)
{
struct drm_device *dev = bl_get_data(mdfld_backlight_device);
struct drm_psb_private *dev_priv = dev->dev_private;
int level = bd->props.brightness;
/* Percentage 1-100% being valid */
if (level < 1)
level = 1;
if (gma_power_begin(dev, 0)) {
/* Calculate and set the brightness value */
u32 adjusted_level;
/* Adjust the backlight level with the percent in
* dev_priv->blc_adj2;
*/
adjusted_level = level * dev_priv->blc_adj2;
adjusted_level = adjusted_level / 100;
#if 0
#ifndef CONFIG_MDFLD_DSI_DPU
if(!(dev_priv->dsr_fb_update & MDFLD_DSR_MIPI_CONTROL) &&
(dev_priv->dbi_panel_on || dev_priv->dbi_panel_on2)){
mdfld_dsi_dbi_exit_dsr(dev,MDFLD_DSR_MIPI_CONTROL, 0, 0);
dev_dbg(dev->dev, "Out of DSR before set brightness to %d.\n",adjusted_level);
}
#endif
mdfld_dsi_brightness_control(dev, 0, adjusted_level);
if ((dev_priv->dbi_panel_on2) || (dev_priv->dpi_panel_on2))
mdfld_dsi_brightness_control(dev, 2, adjusted_level);
#endif
gma_power_end(dev);
}
mdfld_brightness = level;
return 0;
}
static void pyr_dsi_dbi_dpms(struct drm_encoder *encoder, int mode)
{
struct mdfld_dsi_encoder * dsi_encoder = MDFLD_DSI_ENCODER(encoder);
struct mdfld_dsi_dbi_output * dbi_output = MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
struct drm_device * dev = dbi_output->dev;
static bool bdispoff = false;
PSB_DEBUG_ENTRY("%s \n", (mode == DRM_MODE_DPMS_ON ? "on":"off"));
if (mode == DRM_MODE_DPMS_ON){
if(gbgfxsuspended && bdispoff){
bdispoff = false;
gbdispstatus = true;
gbgfxsuspended = false;
mdfld_dsi_dbi_exit_dsr (dev, MDFLD_DSR_2D_3D, 0, 0);
}
pyr_dsi_dbi_set_power(encoder, true);
} else {
bdispoff = true;
gbdispstatus = false;
pyr_dsi_dbi_set_power(encoder, false);
}
}