evie/android_kernel_oneplus_msm8998
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msm: mdss: fix command mode panel support for msm8996

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Left panel stays in sleep-in mode if clocks are not
turned on for both controllers. Enable clock
before sending commands and skip clamp controller
for command mode panel support on msm8996.

Change-Id: I8d6c6f9253407d1b6fd8001a00be4876a006deea
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
This commit is contained in:
Kuogee Hsieh 2015-03-03 17:19:26 -08:00 • committed by David Keitel
parent 238a92a552
commit 61cb587334
2 changed files with 13 additions and 0 deletions
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8
drivers/video/fbdev/msm/mdss_dsi.c
View file

@ -833,6 +833,7 @@ static int mdss_dsi_unblank(struct mdss_panel_data *pdata)
int ret = 0;
struct mipi_panel_info *mipi;
struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL;
struct mdss_dsi_ctrl_pdata *sctrl = NULL;
if (pdata == NULL) {
pr_err("%s: Invalid input data\n", __func__);
@ -846,7 +847,12 @@ static int mdss_dsi_unblank(struct mdss_panel_data *pdata)
pr_debug("%s+: ctrl=%p ndx=%d cur_blank_state=%d\n", __func__,
ctrl_pdata, ctrl_pdata->ndx, pdata->panel_info.blank_state);
if (mdss_dsi_is_ctrl_clk_master(ctrl_pdata))
sctrl = mdss_dsi_get_ctrl_clk_slave();
mdss_dsi_clk_ctrl(ctrl_pdata, DSI_ALL_CLKS, 1);
if (sctrl)
mdss_dsi_clk_ctrl(sctrl, DSI_ALL_CLKS, 1);
if (pdata->panel_info.blank_state == MDSS_PANEL_BLANK_LOW_POWER) {
pr_debug("%s: dsi_unblank with panel always on\n", __func__);
@ -876,6 +882,8 @@ static int mdss_dsi_unblank(struct mdss_panel_data *pdata)
error:
mdss_dsi_clk_ctrl(ctrl_pdata, DSI_ALL_CLKS, 0);
if (sctrl)
mdss_dsi_clk_ctrl(sctrl, DSI_ALL_CLKS, 0);
pr_debug("%s-:\n", __func__);
return ret;

5
drivers/video/fbdev/msm/msm_mdss_io_8974.c
View file

@ -1324,6 +1324,11 @@ static int mdss_dsi_clamp_ctrl(struct mdss_dsi_ctrl_pdata *ctrl, int enable)
return -EINVAL;
}
if (ctrl->hw_rev == MDSS_DSI_HW_REV_104) {
pr_debug("%s: clamp ctrl configuration is skipped\n", __func__);
return 0;
}
clamp_reg_off = ctrl->ulps_clamp_ctrl_off;
phyrst_reg_off = ctrl->ulps_phyrst_ctrl_off;
mipi = &ctrl->panel_data.panel_info.mipi;