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Commit 62b1d246 authored by Guchun Chen's avatar Guchun Chen
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msm: sde: release LK's pool when LK exits 



LK's pool is reserved for running on its code stack. So once
LK exits, the memory region it stays on should be released
and reused by system.

Change-Id: Iec5af69573eb633de48c931a052bd596f5ed3bda
Signed-off-by: default avatarGuchun Chen <guchunc@codeaurora.org>
parent 1faafb0d

drivers/gpu/drm/msm/sde/sde_splash.c

+6 −1
Original line number Diff line number Diff line
@@ -529,7 +529,8 @@ int sde_splash_clean_up_free_resource(struct msm_kms *kms, 


	/* When both hdmi's and dsi's resource are freed,

	 * 1. Destroy splash node objects.

	 * 2. Decrease ref count in bandwidth voting function.

	 * 2. Release the memory which LK's stack is running on.

	 * 3. Withdraw AHB data bus bandwidth voting.

	 */

	if (sinfo->hdmi_connector_cnt == 0 &&

			sinfo->dsi_connector_cnt == 0) {
@@ -539,8 +540,12 @@ int sde_splash_clean_up_free_resource(struct msm_kms *kms, 


		_sde_splash_destroy_splash_node(sinfo);



		_sde_splash_free_bootup_memory_to_system(sinfo->lk_pool_paddr,

							sinfo->lk_pool_size);



		sde_power_data_bus_bandwidth_ctrl(phandle,

				sde_kms->core_client, false);



		return 0;

	}