diff options
| author | Jayant Shekhar <jshekhar@codeaurora.org> | 2017-06-13 13:14:30 +0530 |
|---|---|---|
| committer | Jayant Shekhar <jshekhar@codeaurora.org> | 2017-06-16 11:53:54 +0530 |
| commit | c59c6d345858e2099ff2d63200e5d6b27b1d6f3a (patch) | |
| tree | d6daf1f3e421bcb92aec6e2a735740dd19b4310e /drivers/video/fbdev | |
| parent | ccde34ffb3f4e58f6885a6489c7e2eaeb7eca5e9 (diff) | |
msm: mdss: Check htotal for calculating programmable fetch
For calculating programmable fetch values, ensure htotal is
non-zero.
Change-Id: Ib1f32f5f16aa97fb82c13c9020707245177067b9
Signed-off-by: Jayant Shekhar <jshekhar@codeaurora.org>
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp_intf_video.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp_intf_video.c b/drivers/video/fbdev/msm/mdss_mdp_intf_video.c index 587150bbc9fa..e7d51ae743d5 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_intf_video.c +++ b/drivers/video/fbdev/msm/mdss_mdp_intf_video.c @@ -1999,8 +1999,9 @@ static void mdss_mdp_handoff_programmable_fetch(struct mdss_mdp_ctl *ctl, MDSS_MDP_REG_INTF_HSYNC_CTL) >> 16; v_total_handoff = mdp_video_read(ctx, MDSS_MDP_REG_INTF_VSYNC_PERIOD_F0)/h_total_handoff; - pinfo->prg_fet = v_total_handoff - - ((fetch_start_handoff - 1)/h_total_handoff); + if (h_total_handoff) + pinfo->prg_fet = v_total_handoff - + ((fetch_start_handoff - 1)/h_total_handoff); pr_debug("programmable fetch lines %d start:%d\n", pinfo->prg_fet, fetch_start_handoff); MDSS_XLOG(pinfo->prg_fet, fetch_start_handoff, |