drm/radeon: rework the backlight control to be an asic callback
This cleans up the interface a bit as well.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index cae895b..c3976eb 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -364,19 +364,23 @@
DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count);
if (req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) {
- struct radeon_encoder *enc = atif->backlight_ctl;
+ struct radeon_encoder *enc = atif->encoder_for_bl;
if (enc) {
- struct radeon_encoder_atom_dig *dig = enc->enc_priv;
- dig->backlight_level = req.backlight_level;
-
DRM_DEBUG_DRIVER("Changing brightness to %d\n",
req.backlight_level);
- atombios_set_panel_brightness(enc);
+ radeon_set_backlight_level(rdev, enc, req.backlight_level);
- backlight_force_update(dig->bl_dev,
- BACKLIGHT_UPDATE_HOTKEY);
+ if (rdev->is_atom_bios) {
+ struct radeon_encoder_atom_dig *dig = enc->enc_priv;
+ backlight_force_update(dig->bl_dev,
+ BACKLIGHT_UPDATE_HOTKEY);
+ } else {
+ struct radeon_encoder_lvds *dig = enc->enc_priv;
+ backlight_force_update(dig->bl_dev,
+ BACKLIGHT_UPDATE_HOTKEY);
+ }
}
}
/* TODO: check other events */
@@ -577,16 +581,26 @@
list_for_each_entry(tmp, &rdev->ddev->mode_config.encoder_list,
head) {
struct radeon_encoder *enc = to_radeon_encoder(tmp);
- struct radeon_encoder_atom_dig *dig = enc->enc_priv;
if ((enc->devices & (ATOM_DEVICE_LCD_SUPPORT)) &&
- dig->bl_dev != NULL) {
- target = enc;
- break;
+ enc->enc_priv) {
+ if (rdev->is_atom_bios) {
+ struct radeon_encoder_atom_dig *dig = enc->enc_priv;
+ if (dig->bl_dev) {
+ target = enc;
+ break;
+ }
+ } else {
+ struct radeon_encoder_lvds *dig = enc->enc_priv;
+ if (dig->bl_dev) {
+ target = enc;
+ break;
+ }
+ }
}
}
- atif->backlight_ctl = target;
+ atif->encoder_for_bl = target;
if (!target) {
/* Brightness change notification is enabled, but we
* didn't find a backlight controller, this should