LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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hwc: Partial update support for dual DSI panels with source

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split.

1) When source split is enabled, both the panels are calibrated
   in a single coordinate system. So only one ROI is generated
   for the whole panel extending equally from the midpoint and
   populated for the left side.
2) Fixes a bug in mdpcomp where ROI generated for the frame is
   reset when a strategy fails.

Change-Id: I47fa0e827985dd76d06dcbe464ef832cfc57a671
This commit is contained in:
Jeykumar Sankaran
2015-02-26 10:34:35 -08:00
parent 92fff34247
commit f7124b919f
3 changed files with 12 additions and 5 deletions
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8
libhwcomposer/hwc_utils.cpp
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@@ -2634,7 +2634,13 @@ hwc_rect expandROIFromMidPoint(hwc_rect roi, hwc_rect fullFrame) {
void resetROI(hwc_context_t *ctx, const int dpy) {
const int fbXRes = (int)ctx->dpyAttr[dpy].xres;
const int fbYRes = (int)ctx->dpyAttr[dpy].yres;
if(isDisplaySplit(ctx, dpy)) {
/* When source split is enabled, both the panels are calibrated
* in a single coordinate system. So only one ROI is generated
* for the whole panel extending equally from the midpoint and
* populated for the left side. */
if(!qdutils::MDPVersion::getInstance().isSrcSplit() &&
isDisplaySplit(ctx, dpy)) {
const int lSplit = getLeftSplit(ctx, dpy);
ctx->listStats[dpy].lRoi = (struct hwc_rect){0, 0, lSplit, fbYRes};
ctx->listStats[dpy].rRoi = (struct hwc_rect){lSplit, 0, fbXRes, fbYRes};