drm/msm/sde: add restore functionality after idle power collapse
During the idle_PC state all the registers are wiped out as
all the resources are disabled. The CRTC registers for the
MDP core clock enable event and restores all the register
configurations in CRTC, encoder and planes.
Change-Id: I48895899f3a0491f4dc0ad5cec66fc7c7c47da7f
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_encoder.h b/drivers/gpu/drm/msm/sde/sde_encoder.h
index ad63487..bd3d68b 100644
--- a/drivers/gpu/drm/msm/sde/sde_encoder.h
+++ b/drivers/gpu/drm/msm/sde/sde_encoder.h
@@ -127,6 +127,12 @@
enum sde_intf_mode sde_encoder_get_intf_mode(struct drm_encoder *encoder);
/**
+ * sde_encoder_virt_restore - restore the encoder configs
+ * @encoder: encoder pointer
+ */
+void sde_encoder_virt_restore(struct drm_encoder *encoder);
+
+/**
* enum sde_encoder_property - property tags for sde enoder
* @SDE_ENCODER_PROPERTY_INLINE_ROTATE_REFILL: # of prefill line, 0 to disable
*/