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msm: display: reset vsync state when display is turned on

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In the case that vsync ctrl is unbalanced, vsync IRQ is cleared
in suspend,  vsync cannot be enabled after resume.
Clear the status when display is turned on

CRs-fixed: 449155
Change-Id: I5ecf23053b60d1fbd91f042758d67d39c83ab444
Signed-off-by: Ken Zhang <kenz@codeaurora.org>
This commit is contained in:
Ken Zhang 2013-02-14 20:25:21 -05:00 committed by Iliyan Malchev
parent c58e2f4bb2
commit 8a2eb95560
6 changed files with 8 additions and 1 deletions
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1
drivers/video/msm/mdp4_overlay_dsi_cmd.c
View file

@ -1033,6 +1033,7 @@ int mdp4_dsi_cmd_on(struct platform_device *pdev)
vctrl = &vsync_ctrl_db[cndx];
vctrl->mfd = mfd;
vctrl->dev = mfd->fbi->dev;
vctrl->vsync_enabled = 0;
mdp_clk_ctrl(1);
mdp4_overlay_update_dsi_cmd(mfd);

4
drivers/video/msm/mdp4_overlay_dsi_video.c
View file

@ -42,6 +42,7 @@
static int first_pixel_start_x;
static int first_pixel_start_y;
static int dsi_video_enabled;
static int vsync_irq_cnt;
#define MAX_CONTROLLER 1
@ -283,7 +284,6 @@ int mdp4_dsi_video_pipe_commit(int cndx, int wait)
static void mdp4_video_vsync_irq_ctrl(int cndx, int enable)
{
struct vsycn_ctrl *vctrl;
static int vsync_irq_cnt;
vctrl = &vsync_ctrl_db[cndx];
@ -570,6 +570,8 @@ int mdp4_dsi_video_on(struct platform_device *pdev)
vctrl->mfd = mfd;
vctrl->dev = mfd->fbi->dev;
vctrl->blt_ctrl = pinfo->lcd.blt_ctrl;
vctrl->vsync_irq_enabled = 0;
vsync_irq_cnt = 0;
/* mdp clock on */
mdp_clk_ctrl(1);

1
drivers/video/msm/mdp4_overlay_dtv.c
View file

@ -588,6 +588,7 @@ int mdp4_dtv_on(struct platform_device *pdev)
return -EINVAL;
vctrl->dev = mfd->fbi->dev;
vctrl->vsync_irq_enabled = 0;
mdp_footswitch_ctrl(TRUE);
/* Mdp clock enable */

1
drivers/video/msm/mdp4_overlay_lcdc.c
View file

@ -525,6 +525,7 @@ int mdp4_lcdc_on(struct platform_device *pdev)
vctrl->mfd = mfd;
vctrl->dev = mfd->fbi->dev;
vctrl->vsync_irq_enabled = 0;
/* mdp clock on */
mdp_clk_ctrl(1);

1
drivers/video/msm/mdp_dma_dsi_video.c
View file

@ -108,6 +108,7 @@ int mdp_dsi_video_on(struct platform_device *pdev)
vsync_cntrl.dev = mfd->fbi->dev;
atomic_set(&vsync_cntrl.suspend, 0);
vsync_cntrl.vsync_irq_enabled = 0;
bpp = fbi->var.bits_per_pixel / 8;
buf = (uint8 *) fbi->fix.smem_start;

1
drivers/video/msm/mdp_dma_lcdc.c
View file

@ -126,6 +126,7 @@ int mdp_lcdc_on(struct platform_device *pdev)
var = &fbi->var;
vsync_cntrl.dev = mfd->fbi->dev;
atomic_set(&vsync_cntrl.suspend, 0);
vsync_cntrl.vsync_irq_enabled = 0;
/* MDP cmd block enable */
mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);