diff options
| author | Sandeep Panda <spanda@codeaurora.org> | 2014-10-20 10:29:31 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:35:10 -0700 |
| commit | ba3682e21266569ea2e551c8d366abee4f5c55b8 (patch) | |
| tree | 0865d790537e827b4aa891685df559311e48c012 /drivers/video/fbdev | |
| parent | e4943e49236ca8b43500a671e5813881c24c49fa (diff) | |
msm: mdss: increase MDP ab vote to avoid under run
This change updates the bandwidth calculation for mdp3
hardware based on 8909 requirements, otherwise under run
is seen when USB is disconnected.
Change-Id: I49f7c225b57c43eca5ba8c6ac7b889e53cce6037
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/msm/mdp3.h | 2 | ||||
| -rw-r--r-- | drivers/video/fbdev/msm/mdp3_ctrl.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fbdev/msm/mdp3.h b/drivers/video/fbdev/msm/mdp3.h index 0d80fdf074d5..5da2cf472721 100644 --- a/drivers/video/fbdev/msm/mdp3.h +++ b/drivers/video/fbdev/msm/mdp3.h @@ -26,7 +26,7 @@ #include "mdss.h" #define MDP_VSYNC_CLK_RATE 19200000 -#define MDP_CORE_CLK_RATE 100000000 +#define MDP_CORE_CLK_RATE 307200000 #define KOFF_TIMEOUT msecs_to_jiffies(84) enum { diff --git a/drivers/video/fbdev/msm/mdp3_ctrl.c b/drivers/video/fbdev/msm/mdp3_ctrl.c index 1be8bb94a615..c016ff911ef6 100644 --- a/drivers/video/fbdev/msm/mdp3_ctrl.c +++ b/drivers/video/fbdev/msm/mdp3_ctrl.c @@ -351,7 +351,7 @@ static int mdp3_ctrl_res_req_bus(struct msm_fb_data_type *mfd, int status) struct mdss_panel_info *panel_info = mfd->panel_info; u64 ab = 0; u64 ib = 0; - ab = panel_info->xres * panel_info->yres * 4; + ab = panel_info->xres * panel_info->yres * 4 * 2; ab *= panel_info->mipi.frame_rate; ib = (ab * 3) / 2; rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, ab, ib); |