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Commit 9aa7be48 authored by Sandeep Panda's avatar Sandeep Panda Committed by Gerrit - the friendly Code Review server
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drm/msm/dsi-staging: fix dsi read for generic read commands 



Current display driver only handles dsi DCS read commands, extend
the same to handle dsi generic read commands as well.

Change-Id: I856fd95c55db6702551aa791d4c5e2df98761fd7
Signed-off-by: default avatarSandeep Panda <spanda@codeaurora.org>
parent 67c1e15c

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

+6 −1
Original line number Diff line number Diff line
@@ -946,6 +946,7 @@ 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 */
@@ -968,7 +969,11 @@ 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;