evie/android_kernel_oneplus_msm8998
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msm: mdss: enable clocks before doing SW reset during recovery

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There can be unclocked register access during DSI FIFO empty
error recovery case in command mode, so enable DSI core clocks
prior to doing SW reset.

Change-Id: Ic48561b979f1a13304dc2fa29f8008e8ff63c8ca
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
This commit is contained in:
Sandeep Panda 2015-12-19 08:30:30 +05:30 • committed by David Keitel
parent 3c94a189b5
commit 17ec5026ba
1 changed files with 12 additions and 4 deletions
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16
drivers/video/fbdev/msm/mdss_dsi_host.c
View file

@ -2586,15 +2586,23 @@ static int dsi_event_thread(void *data)
mdss_dsi_clk_ctrl(ctrl, ctrl->dsi_clk_handle,
MDSS_DSI_ALL_CLKS,
MDSS_DSI_CLK_OFF);
}
mutex_unlock(&ctrl->mutex);
MDSS_XLOG_TOUT_HANDLER("mdp", "dsi0_ctrl",
} else {
MDSS_XLOG_TOUT_HANDLER("mdp", "dsi0_ctrl",
"dsi0_phy", "dsi1_ctrl", "dsi1_phy", "vbif",
"vbif_nrt", "dbg_bus", "vbif_dbg_bus", "panic");
}
mutex_unlock(&ctrl->mutex);
}
if (todo & DSI_EV_DSI_FIFO_EMPTY)
if (todo & DSI_EV_DSI_FIFO_EMPTY) {
mdss_dsi_clk_ctrl(ctrl, ctrl->dsi_clk_handle,
MDSS_DSI_CORE_CLK,
MDSS_DSI_CLK_ON);
mdss_dsi_sw_reset(ctrl, true);
mdss_dsi_clk_ctrl(ctrl, ctrl->dsi_clk_handle,
MDSS_DSI_CORE_CLK,
MDSS_DSI_CLK_OFF);
}
if (todo & DSI_EV_DLNx_FIFO_OVERFLOW) {
mutex_lock(&dsi_mtx);