evie/android_kernel_oneplus_msm8998
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msm: mdss: set valid_roi as true when ctl paths are initialized

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Mixer setup can be called from multiple contexts and not all may call
mixer set roi which sets valid_roi flag. However with partial update
there is a requirement that for a given ctl path, roi is not valid
because there is no update on that mixer. In such cases, valid_roi will
be false and we should ignore setting up the mixer. So to cover all
cases, initialize valid_roi to true when ctl path is setup first time.

Change-Id: I85ae4ce8711f0fcdf771d18b4896a8f61398ead5
Signed-off-by: Ujwal Patel <ujwalp@codeaurora.org>
This commit is contained in:
Ujwal Patel 2015-03-25 16:15:43 -07:00 • committed by David Keitel
parent 470f82b668
commit 671ef8c966
1 changed files with 2 additions and 0 deletions
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2
drivers/video/fbdev/msm/mdss_mdp_ctl.c
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@ -2167,6 +2167,7 @@ int mdss_mdp_ctl_setup(struct mdss_mdp_ctl *ctl)
ctl->mixer_left->width = width; ctl->mixer_left->width = width;
ctl->mixer_left->height = height; ctl->mixer_left->height = height;
ctl->mixer_left->roi = (struct mdss_rect) {0, 0, width, height}; ctl->mixer_left->roi = (struct mdss_rect) {0, 0, width, height};
ctl->valid_roi = true;
if (ctl->mfd->split_mode == MDP_DUAL_LM_DUAL_DISPLAY) { if (ctl->mfd->split_mode == MDP_DUAL_LM_DUAL_DISPLAY) {
pr_debug("dual display detected\n"); pr_debug("dual display detected\n");
@ -2433,6 +2434,7 @@ int mdss_mdp_ctl_split_display_setup(struct mdss_mdp_ctl *ctl,
mixer->height = sctl->height; mixer->height = sctl->height;
mixer->roi = (struct mdss_rect) mixer->roi = (struct mdss_rect)
{0, 0, mixer->width, mixer->height}; {0, 0, mixer->width, mixer->height};
sctl->valid_roi = true;
sctl->mixer_left = mixer; sctl->mixer_left = mixer;
return mdss_mdp_set_split_ctl(ctl, sctl); return mdss_mdp_set_split_ctl(ctl, sctl);