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Commit 3f18bbc2 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "drm/msm/dsi-staging: fix dsi read for generic read commands"

parents 46cbd43a bef98fab

drivers/gpu/drm/msm/dsi-staging/dsi_ctrl.c

+7 −2
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -891,6 +891,7 @@ static int dsi_ctrl_copy_and_pad_cmd(struct dsi_ctrl *dsi_ctrl, 
	int rc = 0;

	u8 *buf = NULL;

	u32 len, i;

	u8 cmd_type = 0;



	len = packet->size;

	len += 0x3; len &= ~0x03; /* Align to 32 bits */
@@ -913,7 +914,11 @@ static int dsi_ctrl_copy_and_pad_cmd(struct dsi_ctrl *dsi_ctrl, 




	/* send embedded BTA for read commands */

	if ((buf[2] & 0x3f) == MIPI_DSI_DCS_READ)

	cmd_type = buf[2] & 0x3f;

	if ((cmd_type == MIPI_DSI_DCS_READ) ||

	    (cmd_type == MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM) ||

	    (cmd_type == MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM) ||

	    (cmd_type == MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM))

		buf[3] |= BIT(5);



	*buffer = buf;