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msm_fb: display: Send pixel data while sending on/off commands

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To avoid LCD off sequence violeation for some LCD vendors,
we need to keep sending video data during off/sleep commands.
This fixes issues seen while going to a suspend.

Crs-Fixed: 445707
Change-Id: I0ba2704502e8959d0f82deea60481cd5b1f0be20
Signed-off-by: Siddhartha Agrawal <agrawals@codeaurora.org>
This commit is contained in:
Siddhartha Agrawal 2013-02-15 20:32:52 -08:00 committed by Iliyan Malchev
parent a76e7e31e0
commit 90f633305e
3 changed files with 35 additions and 14 deletions
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21
drivers/video/msm/mdp.c
View file

@ -2377,6 +2377,22 @@ static int mdp_on(struct platform_device *pdev)
pr_debug("%s:+\n", __func__); pr_debug("%s:+\n", __func__);
if (!(mfd->cont_splash_done)) {
if (mfd->panel.type == MIPI_VIDEO_PANEL)
mdp4_dsi_video_splash_done();
/* Clks are enabled in probe.
Disabling clocks now */
mdp_clk_ctrl(0);
mfd->cont_splash_done = 1;
}
mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
ret = panel_next_on(pdev);
mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);
if (mdp_rev >= MDP_REV_40) { if (mdp_rev >= MDP_REV_40) {
mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE); mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
mdp_clk_ctrl(1); mdp_clk_ctrl(1);
@ -2405,11 +2421,6 @@ static int mdp_on(struct platform_device *pdev)
atomic_set(&vsync_cntrl.suspend, 1); atomic_set(&vsync_cntrl.suspend, 1);
} }
mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_ON, FALSE);
ret = panel_next_on(pdev);
mdp_pipe_ctrl(MDP_CMD_BLOCK, MDP_BLOCK_POWER_OFF, FALSE);
mdp_histogram_ctrl_all(TRUE); mdp_histogram_ctrl_all(TRUE);
if (ret == 0) if (ret == 0)

6
drivers/video/msm/mdp4.h
View file

@ -783,6 +783,7 @@ int mdp4_dsi_cmd_on(struct platform_device *pdev);
int mdp4_dsi_cmd_off(struct platform_device *pdev); int mdp4_dsi_cmd_off(struct platform_device *pdev);
int mdp4_dsi_video_off(struct platform_device *pdev); int mdp4_dsi_video_off(struct platform_device *pdev);
int mdp4_dsi_video_on(struct platform_device *pdev); int mdp4_dsi_video_on(struct platform_device *pdev);
int mdp4_dsi_video_splash_done(void);
void mdp4_primary_vsync_dsi_video(void); void mdp4_primary_vsync_dsi_video(void);
void mdp4_dsi_cmd_base_swap(int cndx, struct mdp4_overlay_pipe *pipe); void mdp4_dsi_cmd_base_swap(int cndx, struct mdp4_overlay_pipe *pipe);
void mdp4_dsi_cmd_wait4vsync(int cndx); void mdp4_dsi_cmd_wait4vsync(int cndx);
@ -851,6 +852,11 @@ static inline void mdp4_overlay_dsi_video_start(void)
{ {
/* empty */ /* empty */
} }
static int mdp4_dsi_video_splash_done(void)
{
}
#ifdef CONFIG_FB_MSM_MDP40 #ifdef CONFIG_FB_MSM_MDP40
static inline void mdp_dsi_cmd_overlay_suspend(struct msm_fb_data_type *mfd) static inline void mdp_dsi_cmd_overlay_suspend(struct msm_fb_data_type *mfd)
{ {

22
drivers/video/msm/mdp4_overlay_dsi_video.c
View file

@ -500,6 +500,19 @@ static void mdp4_dsi_video_tg_off(struct vsycn_ctrl *vctrl)
mdp4_dsi_video_wait4vsync(0); mdp4_dsi_video_wait4vsync(0);
} }
int mdp4_dsi_video_splash_done(void)
{
struct vsycn_ctrl *vctrl;
int cndx = 0;
vctrl = &vsync_ctrl_db[cndx];
mdp4_dsi_video_tg_off(vctrl);
mipi_dsi_controller_cfg(0);
return 0;
}
int mdp4_dsi_video_on(struct platform_device *pdev) int mdp4_dsi_video_on(struct platform_device *pdev)
{ {
int dsi_width; int dsi_width;
@ -597,15 +610,6 @@ int mdp4_dsi_video_on(struct platform_device *pdev)
atomic_set(&vctrl->suspend, 0); atomic_set(&vctrl->suspend, 0);
if (!(mfd->cont_splash_done)) {
mfd->cont_splash_done = 1;
mdp4_dsi_video_tg_off(vctrl);
mipi_dsi_controller_cfg(0);
/* Clks are enabled in probe.
Disabling clocks now */
mdp_clk_ctrl(0);
}
pipe->src_height = fbi->var.yres; pipe->src_height = fbi->var.yres;
pipe->src_width = fbi->var.xres; pipe->src_width = fbi->var.xres;
pipe->src_h = fbi->var.yres; pipe->src_h = fbi->var.yres;