evie/android_kernel_oneplus_msm8998
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msm: mdss: enable dsi clock during HS clock lane recovery

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DSI registers are accessed during HS clock lane recovery.
Therefore related dsi clocks need to enabled at that time.

CRs-Fixed: 789721
Change-Id: Ie953054d30fcd8f0dbc58e26c5dd11d59f582419
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
This commit is contained in:
Kuogee Hsieh 2015-01-30 09:26:34 -08:00 • committed by David Keitel
parent 30b06c97b9
commit 9be8a7be57
1 changed files with 4 additions and 0 deletions
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4
drivers/video/fbdev/msm/mdss_dsi_host.c
View file

@ -520,6 +520,7 @@ static void mdss_dsi_wait_clk_lane_to_stop(struct mdss_dsi_ctrl_pdata *ctrl)
static void mdss_dsi_start_hs_clk_lane(struct mdss_dsi_ctrl_pdata *ctrl)
{
mutex_lock(&ctrl->clk_lane_mutex);
mdss_dsi_clk_ctrl(ctrl, DSI_ALL_CLKS, 1);
if (ctrl->clk_lane_cnt) {
pr_err("%s: ndx=%d do-wait, cnt=%d\n",
__func__, ctrl->ndx, ctrl->clk_lane_cnt);
@ -531,6 +532,7 @@ static void mdss_dsi_start_hs_clk_lane(struct mdss_dsi_ctrl_pdata *ctrl)
ctrl->clk_lane_cnt++;
pr_debug("%s: ndx=%d, set_hs, cnt=%d\n", __func__,
ctrl->ndx, ctrl->clk_lane_cnt);
mdss_dsi_clk_ctrl(ctrl, DSI_ALL_CLKS, 0);
mutex_unlock(&ctrl->clk_lane_mutex);
}
@ -547,6 +549,7 @@ static void mdss_dsi_stop_hs_clk_lane(struct mdss_dsi_ctrl_pdata *ctrl,
unsigned long flags;
mutex_lock(&ctrl->clk_lane_mutex);
mdss_dsi_clk_ctrl(ctrl, DSI_ALL_CLKS, 1);
if (ctrl->clk_lane_cnt != 1) {
pr_err("%s: ndx=%d wait had been done, cnt=%d\n",
__func__, ctrl->ndx, ctrl->clk_lane_cnt);
@ -590,6 +593,7 @@ release:
pr_debug("%s: ndx=%d, cnt=%d\n", __func__,
ctrl->ndx, ctrl->clk_lane_cnt);
mdss_dsi_clk_ctrl(ctrl, DSI_ALL_CLKS, 0);
mutex_unlock(&ctrl->clk_lane_mutex);
}