From f7ccac313f288159c381a797acbe8b3797f55998 Mon Sep 17 00:00:00 2001 From: Jayant Shekhar Date: Tue, 21 Feb 2017 14:31:41 +0530 Subject: [PATCH] msm: mdss: Correct prefill bandwidth calculations vbp_min is calculated as 0 because variable is incorrectly compared. Fix this to correct prefill bw calculation. Change-Id: I80c3db2898111b5e8acdccc35af745dde30c0509 Signed-off-by: Jayant Shekhar --- drivers/video/fbdev/msm/mdss_mdp_ctl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/video/fbdev/msm/mdss_mdp_ctl.c b/drivers/video/fbdev/msm/mdss_mdp_ctl.c index acb356fc681a..66e903c6b361 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_ctl.c +++ b/drivers/video/fbdev/msm/mdss_mdp_ctl.c @@ -891,7 +891,7 @@ static u32 __calc_prefill_line_time_us(struct mdss_mdp_ctl *ctl) static u32 __get_min_prefill_line_time_us(struct mdss_mdp_ctl *ctl) { - u32 vbp_min = 0; + u32 vbp_min = UINT_MAX; int i; struct mdss_data_type *mdata; @@ -913,6 +913,9 @@ static u32 __get_min_prefill_line_time_us(struct mdss_mdp_ctl *ctl) } } + if (vbp_min == UINT_MAX) + vbp_min = 0; + return vbp_min; }