Revert "hwc: Do not re-program H/W, if the frame geometry has not changed"
This reverts commit 5e268fcf56e7f5bd0fc524d50c0a97c9e34010a1.
Reason: Breaking cache based composition strategy and partial
update feature.
Change-Id: I0c881c8e2bc6be2a0b3dc0d5e7d22a388179f8d8
diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index a2c7ad3..e4f7f5f 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -260,48 +260,6 @@
}
}
-static bool optimizePrepare(hwc_context_t *ctx, int numDisplays,
- hwc_display_contents_1_t** displays) {
-
- /* Do not re-program H/W, if frame geometry has not changed.
- * But honor these exceptions:
- * 1. Padding round
- * 2. Idle fallback
- * 3. Overlay is not configured
- * 4. External/Virtual display is in Configure state
- * 5. External/Virtual is Paused OR not connected/active
- * 6. Non-Overlay device
- */
-
- if (ctx->isPaddingRound || MDPComp::isIdleFallback() ||
- !ctx->mOverlay->isConfigured() || isSecondaryConfiguring(ctx) ||
- ctx->mMDP.version < qdutils::MDP_V4_0) {
- return false;
- }
-
- bool isOptimized = false;
- for (uint32_t i = 0; i < numDisplays; i++) {
- hwc_display_contents_1_t *list = displays[i];
-
- if (list) {
- if (list->flags & HWC_GEOMETRY_CHANGED) {
- return false;
- }
- int dpy = getDpyforExternalDisplay(ctx, i);
- if (dpy && (ctx->dpyAttr[dpy].isPause ||
- !ctx->dpyAttr[dpy].connected ||
- !ctx->dpyAttr[dpy].isActive)) {
- return false;
- }
- // Set layer composition type as per last frame
- ctx->mMDPComp[dpy]->setMDPCompLayerFlags(ctx, list);
- isOptimized = true;
- }
- }
-
- return isOptimized;
-}
-
static int hwc_prepare_primary(hwc_composer_device_1 *dev,
hwc_display_contents_1_t *list) {
ATRACE_CALL();
@@ -387,12 +345,6 @@
setPaddingRound(ctx,numDisplays,displays);
setDMAState(ctx,numDisplays,displays);
setNumActiveDisplays(ctx,numDisplays,displays);
-
- if (optimizePrepare(ctx, numDisplays, displays)) {
- // Do not re-program H/W, if it is not needed
- return ret;
- }
-
reset(ctx, (int)numDisplays, displays);
ctx->mOverlay->configBegin();
diff --git a/libhwcomposer/hwc_mdpcomp.h b/libhwcomposer/hwc_mdpcomp.h
index 7d4214a..8186fff 100644
--- a/libhwcomposer/hwc_mdpcomp.h
+++ b/libhwcomposer/hwc_mdpcomp.h
@@ -54,9 +54,6 @@
static void resetIdleFallBack() { sIdleFallBack = false; }
static void reset() { sHandleTimeout = false; };
static bool isIdleFallback() { return sIdleFallBack; }
- /* set/reset flags for MDPComp */
- void setMDPCompLayerFlags(hwc_context_t *ctx,
- hwc_display_contents_1_t* list);
protected:
enum { MAX_SEC_LAYERS = 1 }; //TODO add property support
@@ -145,6 +142,9 @@
/* configures 4kx2k yuv layer*/
virtual int configure4k2kYuv(hwc_context_t *ctx, hwc_layer_1_t *layer,
PipeLayerPair& PipeLayerPair) = 0;
+ /* set/reset flags for MDPComp */
+ void setMDPCompLayerFlags(hwc_context_t *ctx,
+ hwc_display_contents_1_t* list);
void setRedraw(hwc_context_t *ctx,
hwc_display_contents_1_t* list);
/* checks for conditions where mdpcomp is not possible */