evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

msm: mdss: restore dsi interrupt mask bits

Browse source 
DSI interrupts are not enabled at LK. For cont_splash
case, dsi interrupt mask bits need to be restored to
enable interrupts so that dcs command be sent to panel.

CRs-Fixed: 745369
Change-Id: Ice61d538387c5d37dd9e077f01b4c6d4593cc393
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
This commit is contained in:
Kuogee Hsieh 2014-10-31 11:09:28 -07:00 • committed by David Keitel
parent 1f09285af5
commit 2af6aecbef
3 changed files with 18 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/video/fbdev/msm/mdss_dsi.c
View file

@ -559,6 +559,13 @@ int mdss_dsi_on(struct mdss_panel_data *pdata)
mipi = &pdata->panel_info.mipi;
if (mdss_dsi_is_panel_on_interactive(pdata)) {
/*
* all interrupts are disabled at LK
* for cont_splash case, intr mask bits need
* to be restored to allow dcs command be
* sent to panel
*/
mdss_dsi_restore_intr_mask(ctrl_pdata);
pr_debug("%s: panel already on\n", __func__);
goto end;
}

1
drivers/video/fbdev/msm/mdss_dsi.h
View file

@ -413,6 +413,7 @@ int mdss_dsi_cmds_rx(struct mdss_dsi_ctrl_pdata *ctrl,
void mdss_dsi_host_init(struct mdss_panel_data *pdata);
void mdss_dsi_op_mode_config(int mode,
struct mdss_panel_data *pdata);
void mdss_dsi_restore_intr_mask(struct mdss_dsi_ctrl_pdata *ctrl);
void mdss_dsi_cmd_mode_ctrl(int enable);
void mdp4_dsi_cmd_trigger(void);
void mdss_dsi_cmd_mdp_start(struct mdss_dsi_ctrl_pdata *ctrl);

10
drivers/video/fbdev/msm/mdss_dsi_host.c
View file

@ -779,6 +779,16 @@ void mdss_dsi_controller_cfg(int enable,
wmb();
}
void mdss_dsi_restore_intr_mask(struct mdss_dsi_ctrl_pdata *ctrl)
{
u32 mask;
mask = MIPI_INP((ctrl->ctrl_base) + 0x0110);
mask |= (DSI_INTR_CMD_DMA_DONE_MASK | DSI_INTR_ERROR_MASK |
DSI_INTR_BTA_DONE_MASK);
MIPI_OUTP((ctrl->ctrl_base) + 0x0110, mask);
}
void mdss_dsi_op_mode_config(int mode,
struct mdss_panel_data *pdata)
{