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msm: mdss: ad: detect changes in resolution within ad config

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Whenever resolution switch happens, ad needs to be reconfigured with
new resolution. Detect these changes and program frame size
accordingly.

Change-Id: Iac4e36c19d55d56de99318e13fd7435bdfac3a84
Signed-off-by: Adrian Salido-Moreno <adrianm@codeaurora.org>
This commit is contained in:
Adrian Salido-Moreno 2015-07-22 19:31:20 -07:00 • committed by David Keitel
parent a6710dea23
commit b10aa0dc5c
1 changed files with 10 additions and 5 deletions
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15
drivers/video/fbdev/msm/mdss_mdp_pp.c
View file

@ -5342,9 +5342,11 @@ static int mdss_mdp_ad_setup(struct msm_fb_data_type *mfd)
int ret = 0;
struct mdss_ad_info *ad;
struct mdss_mdp_ctl *ctl = mfd_to_ctl(mfd);
struct mdss_mdp_ctl *sctl = mdss_mdp_get_split_ctl(ctl);
struct msm_fb_data_type *bl_mfd;
struct mdss_data_type *mdata;
u32 bypass = MDSS_PP_AD_BYPASS_DEF, bl;
u32 width;
ret = mdss_mdp_get_ad(mfd, &ad);
if (ret == -ENODEV || ret == -EPERM) {
@ -5424,15 +5426,18 @@ static int mdss_mdp_ad_setup(struct msm_fb_data_type *mfd)
}
}
width = ctl->width;
if (sctl)
width += sctl->width;
/* update ad screen size if it has changed since last configuration */
if (mfd->panel_info->type == WRITEBACK_PANEL &&
(ad->init.frame_w != ctl->width ||
ad->init.frame_h != ctl->height)) {
if ((ad->init.frame_w != width) ||
(ad->init.frame_h != ctl->height)) {
pr_debug("changing from %dx%d to %dx%d\n", ad->init.frame_w,
ad->init.frame_h,
ctl->width,
width,
ctl->height);
ad->init.frame_w = ctl->width;
ad->init.frame_w = width;
ad->init.frame_h = ctl->height;
ad->reg_sts |= PP_AD_STS_DIRTY_INIT;
}