fbdev: msm: fix 2A/2B register programing failed issue
Set page register 0xFE=0x00 to ensure registers 0x2A
and 0x2B take effect.
Change-Id: I16f89da87b9438a704eb1964be40de2b41023962
Signed-off-by: Xipeng Gu <guxipeng@codeaurora.org>
diff --git a/drivers/video/fbdev/msm/mdss_dsi_panel.c b/drivers/video/fbdev/msm/mdss_dsi_panel.c
index 4f8015d..e46cbfe 100644
--- a/drivers/video/fbdev/msm/mdss_dsi_panel.c
+++ b/drivers/video/fbdev/msm/mdss_dsi_panel.c
@@ -572,11 +572,13 @@
return ans;
}
+static char pageset[] = {0xfe, 0x00}; /* DTYPE_DCS_WRITE1 */
static char caset[] = {0x2a, 0x00, 0x00, 0x03, 0x00}; /* DTYPE_DCS_LWRITE */
static char paset[] = {0x2b, 0x00, 0x00, 0x05, 0x00}; /* DTYPE_DCS_LWRITE */
/* pack into one frame before sent */
static struct dsi_cmd_desc set_col_page_addr_cmd[] = {
+ {{DTYPE_DCS_WRITE1, 1, 0, 0, 0, sizeof(pageset)}, pageset},
{{DTYPE_DCS_LWRITE, 0, 0, 0, 1, sizeof(caset)}, caset}, /* packed */
{{DTYPE_DCS_LWRITE, 1, 0, 0, 1, sizeof(paset)}, paset},
};
@@ -586,20 +588,22 @@
{
struct dcs_cmd_req cmdreq;
+ set_col_page_addr_cmd[0].payload = pageset;
+
caset[1] = (((roi->x) & 0xFF00) >> 8);
caset[2] = (((roi->x) & 0xFF));
caset[3] = (((roi->x - 1 + roi->w) & 0xFF00) >> 8);
caset[4] = (((roi->x - 1 + roi->w) & 0xFF));
- set_col_page_addr_cmd[0].payload = caset;
+ set_col_page_addr_cmd[1].payload = caset;
paset[1] = (((roi->y) & 0xFF00) >> 8);
paset[2] = (((roi->y) & 0xFF));
paset[3] = (((roi->y - 1 + roi->h) & 0xFF00) >> 8);
paset[4] = (((roi->y - 1 + roi->h) & 0xFF));
- set_col_page_addr_cmd[1].payload = paset;
+ set_col_page_addr_cmd[2].payload = paset;
memset(&cmdreq, 0, sizeof(cmdreq));
- cmdreq.cmds_cnt = 2;
+ cmdreq.cmds_cnt = 3;
cmdreq.flags = CMD_REQ_COMMIT;
if (unicast)
cmdreq.flags |= CMD_REQ_UNICAST;