Merge "sdm: Fix hw layer stack corruption"
diff --git a/common.mk b/common.mk
index 2318165..83d06c6 100644
--- a/common.mk
+++ b/common.mk
@@ -36,6 +36,10 @@
     common_flags += -DUSER_DEBUG
 endif
 
+ifeq ($(LLVM_SA), true)
+    common_flags += --compile-and-analyze --analyzer-perf --analyzer-Werror
+endif
+
 common_includes := system/core/base/include
 CHECK_VERSION_LE = $(shell if [ $(1) -le $(2) ] ; then echo true ; else echo false ; fi)
 PLATFORM_SDK_NOUGAT = 25
diff --git a/libdisplayconfig/Android.mk b/libdisplayconfig/Android.mk
index fae7f85..a107ea6 100644
--- a/libdisplayconfig/Android.mk
+++ b/libdisplayconfig/Android.mk
@@ -9,4 +9,8 @@
 LOCAL_SHARED_LIBRARIES        := libhidlbase libhidltransport libutils \
                                  vendor.display.config@1.0 android.hidl.base@1.0
 
+ifeq ($(LLVM_SA), true)
+    LOCAL_CFLAGS += --compile-and-analyze --analyzer-perf --analyzer-Werror
+endif
+
 include $(BUILD_SHARED_LIBRARY)
diff --git a/liblight/Android.mk b/liblight/Android.mk
index 2f2e1ca..197a1a4 100644
--- a/liblight/Android.mk
+++ b/liblight/Android.mk
@@ -24,6 +24,9 @@
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SHARED_LIBRARIES := liblog libcutils libsdm-disp-vndapis
 LOCAL_CFLAGS := -DLOG_TAG=\"qdlights\"
+ifeq ($(LLVM_SA), true)
+    LOCAL_CFLAGS += --compile-and-analyze --analyzer-perf --analyzer-Werror
+endif
 LOCAL_CLANG  := true
 LOCAL_MODULE := lights.$(TARGET_BOARD_PLATFORM)
 LOCAL_MODULE_TAGS := optional
diff --git a/libqdutils/qd_utils.cpp b/libqdutils/qd_utils.cpp
index 2cce39c..c55354d 100644
--- a/libqdutils/qd_utils.cpp
+++ b/libqdutils/qd_utils.cpp
@@ -264,10 +264,12 @@
 
     while (getline(&line, &len, configFile) != -1) {
         if (!parseLine(line, tokens, maxCount, &tokenCount)) {
-            if (!strncmp(tokens[0], "bpp", strlen("bpp"))) {
+            if (tokens[0] != NULL) {
+              if (!strncmp(tokens[0], "bpp", strlen("bpp"))) {
                 *panelBpp = static_cast<uint32_t>(atoi(tokens[1]));
-            } else  if (!strncmp(tokens[0], "pattern", strlen("pattern"))) {
+              } else  if (!strncmp(tokens[0], "pattern", strlen("pattern"))) {
                 *patternType = static_cast<uint32_t>(atoi(tokens[1]));
+              }
             }
         }
     }
diff --git a/sdm/include/core/sdm_types.h b/sdm/include/core/sdm_types.h
index 72ad6b2..0d3bf33 100644
--- a/sdm/include/core/sdm_types.h
+++ b/sdm/include/core/sdm_types.h
@@ -57,6 +57,7 @@
   kErrorNoAppLayers,      //!< No App layer(s) in the draw cycle.
   kErrorRotatorValidation,  //!< Rotator configuration validation failure.
   kErrorNotValidated,     //!< Draw cycle has not been validated.
+  kErrorCriticalResource,   //!< Critical resource allocation has failed.
 };
 
 /*! @brief This structure is defined for client and library compatibility check purpose only. This
diff --git a/sdm/libs/core/display_base.cpp b/sdm/libs/core/display_base.cpp
index 043f304..51aa012 100644
--- a/sdm/libs/core/display_base.cpp
+++ b/sdm/libs/core/display_base.cpp
@@ -619,14 +619,15 @@
       HWRotateInfo &rotate = hw_rotator_session.hw_rotate_info[count];
       LayerRect &src_roi = rotate.src_roi;
       LayerRect &dst_roi = rotate.dst_roi;
-      const char *rotate_split[2] = { "Rot-1", "Rot-2" };
+      char rot[8] = { 0 };
       int pipe_id = 0;
 
       if (hw_rotator_session.mode == kRotatorOffline) {
         snprintf(writeback_id, sizeof(writeback_id), "%d", rotate.writeback_id);
         pipe_id = rotate.pipe_id;
       }
-      DumpImpl::AppendString(buffer, length, format, idx, comp_type, rotate_split[count],
+      snprintf(rot, sizeof(rot), "Rot-%d", count + 1);
+      DumpImpl::AppendString(buffer, length, format, idx, comp_type, rot,
                              writeback_id, pipe_id, input_buffer->width,
                              input_buffer->height, buffer_format, INT(src_roi.left),
                              INT(src_roi.top), INT(src_roi.right), INT(src_roi.bottom),
diff --git a/sdm/libs/core/display_primary.cpp b/sdm/libs/core/display_primary.cpp
index bbc4a78..8466f8b 100644
--- a/sdm/libs/core/display_primary.cpp
+++ b/sdm/libs/core/display_primary.cpp
@@ -68,6 +68,24 @@
     }
   }
 
+  if (hw_panel_info_.mode == kModeCommand) {
+    event_list_ = { HWEvent::VSYNC,
+                    HWEvent::EXIT,
+                    HWEvent::SHOW_BLANK_EVENT,
+                    HWEvent::THERMAL_LEVEL,
+                    HWEvent::IDLE_POWER_COLLAPSE,
+                    HWEvent::PINGPONG_TIMEOUT,
+                    HWEvent::PANEL_DEAD };
+  } else {
+    event_list_ = { HWEvent::VSYNC,
+                    HWEvent::EXIT,
+                    HWEvent::IDLE_NOTIFY,
+                    HWEvent::SHOW_BLANK_EVENT,
+                    HWEvent::THERMAL_LEVEL,
+                    HWEvent::PINGPONG_TIMEOUT,
+                    HWEvent::PANEL_DEAD };
+  }
+
   avr_prop_disabled_ = Debug::IsAVRDisabled();
 
   error = HWEventsInterface::Create(INT(display_type_), this, event_list_, hw_intf_,
diff --git a/sdm/libs/core/display_primary.h b/sdm/libs/core/display_primary.h
index ac4160e..44ae2b4 100644
--- a/sdm/libs/core/display_primary.h
+++ b/sdm/libs/core/display_primary.h
@@ -68,13 +68,7 @@
   bool NeedsAVREnable();
   void ResetPanel();
 
-  std::vector<HWEvent> event_list_ = { HWEvent::VSYNC, HWEvent::EXIT,
-                                       HWEvent::IDLE_NOTIFY,
-                                       HWEvent::SHOW_BLANK_EVENT,
-                                       HWEvent::THERMAL_LEVEL,
-                                       HWEvent::IDLE_POWER_COLLAPSE,
-                                       HWEvent::PINGPONG_TIMEOUT,
-                                       HWEvent::PANEL_DEAD };
+  std::vector<HWEvent> event_list_;
   bool avr_prop_disabled_ = false;
   bool switch_to_cmd_ = false;
   bool handle_idle_timeout_ = false;
diff --git a/sdm/libs/core/drm/hw_color_manager_drm.cpp b/sdm/libs/core/drm/hw_color_manager_drm.cpp
index 95c25cd..7563647 100644
--- a/sdm/libs/core/drm/hw_color_manager_drm.cpp
+++ b/sdm/libs/core/drm/hw_color_manager_drm.cpp
@@ -861,7 +861,7 @@
       break;
     default:
       DLOGE("Invalid gamut mode %d", sde_gamut->mode);
-      free(mdp_gamut);
+      delete mdp_gamut;
       return kErrorParameters;
   }
 
diff --git a/sdm/libs/core/drm/hw_device_drm.cpp b/sdm/libs/core/drm/hw_device_drm.cpp
index 96ad8a3..c1e14ee 100644
--- a/sdm/libs/core/drm/hw_device_drm.cpp
+++ b/sdm/libs/core/drm/hw_device_drm.cpp
@@ -863,7 +863,7 @@
         }
 
         uint32_t config = 0;
-        SetSrcConfig(layer.input_buffer, &config);
+        SetSrcConfig(layer.input_buffer, hw_rotator_session->mode, &config);
         drm_atomic_intf_->Perform(DRMOps::PLANE_SET_SRC_CONFIG, pipe_id, config);;
         drm_atomic_intf_->Perform(DRMOps::PLANE_SET_FB_ID, pipe_id, fb_id);
         drm_atomic_intf_->Perform(DRMOps::PLANE_SET_CRTC, pipe_id, token_.crtc_id);
@@ -1132,9 +1132,13 @@
 }
 
 
-void HWDeviceDRM::SetSrcConfig(const LayerBuffer &input_buffer, uint32_t *config) {
-  if (input_buffer.flags.interlace) {
-    *config |= (0x01 << UINT32(DRMSrcConfig::DEINTERLACE));
+void HWDeviceDRM::SetSrcConfig(const LayerBuffer &input_buffer, const HWRotatorMode &mode,
+                               uint32_t *config) {
+  // In offline rotation case, rotator will handle deinterlacing.
+  if (mode != kRotatorOffline) {
+    if (input_buffer.flags.interlace) {
+      *config |= (0x01 << UINT32(DRMSrcConfig::DEINTERLACE));
+    }
   }
 }
 
diff --git a/sdm/libs/core/drm/hw_device_drm.h b/sdm/libs/core/drm/hw_device_drm.h
index e0b7fc1..e02d936 100644
--- a/sdm/libs/core/drm/hw_device_drm.h
+++ b/sdm/libs/core/drm/hw_device_drm.h
@@ -121,7 +121,7 @@
   void SetSolidfillStages();
   void AddSolidfillStage(const HWSolidfillStage &sf, uint32_t plane_alpha);
   void SetBlending(const LayerBlending &source, sde_drm::DRMBlendType *target);
-  void SetSrcConfig(const LayerBuffer &input_buffer, uint32_t *config);
+  void SetSrcConfig(const LayerBuffer &input_buffer, const HWRotatorMode &mode, uint32_t *config);
   void SelectCscType(const LayerBuffer &input_buffer, sde_drm::DRMCscType *type);
   void SetRect(const LayerRect &source, sde_drm::DRMRect *target);
   void SetRotation(LayerTransform transform, const HWRotatorMode &mode, uint32_t* rot_bit_mask);
diff --git a/sdm/libs/core/drm/hw_events_drm.cpp b/sdm/libs/core/drm/hw_events_drm.cpp
index 7d71f29..7a3d385 100644
--- a/sdm/libs/core/drm/hw_events_drm.cpp
+++ b/sdm/libs/core/drm/hw_events_drm.cpp
@@ -96,9 +96,6 @@
         poll_fds_[i].events = POLLIN | POLLPRI | POLLERR;
         idle_notify_index_ = i;
       } break;
-      case HWEvent::CEC_READ_MESSAGE:
-      case HWEvent::SHOW_BLANK_EVENT:
-      case HWEvent::THERMAL_LEVEL:
       case HWEvent::IDLE_POWER_COLLAPSE: {
         poll_fds_[i].fd = drmOpen("msm_drm", nullptr);
         if (poll_fds_[i].fd < 0) {
@@ -108,8 +105,6 @@
         poll_fds_[i].events = POLLIN | POLLPRI | POLLERR;
         idle_pc_index_ = i;
       } break;
-      case HWEvent::PINGPONG_TIMEOUT:
-        break;
       case HWEvent::PANEL_DEAD: {
         poll_fds_[i].fd = drmOpen("msm_drm", nullptr);
         if (poll_fds_[i].fd < 0) {
@@ -119,6 +114,11 @@
         poll_fds_[i].events = POLLIN | POLLPRI | POLLERR;
         panel_dead_index_ = i;
       } break;
+      case HWEvent::CEC_READ_MESSAGE:
+      case HWEvent::SHOW_BLANK_EVENT:
+      case HWEvent::THERMAL_LEVEL:
+      case HWEvent::PINGPONG_TIMEOUT:
+        break;
     }
   }
 
@@ -263,15 +263,15 @@
         poll_fds_[i].fd = -1;
         break;
       case HWEvent::IDLE_NOTIFY:
-      case HWEvent::CEC_READ_MESSAGE:
-      case HWEvent::SHOW_BLANK_EVENT:
-      case HWEvent::THERMAL_LEVEL:
       case HWEvent::IDLE_POWER_COLLAPSE:
-        break;
       case HWEvent::PANEL_DEAD:
         drmClose(poll_fds_[i].fd);
         poll_fds_[i].fd = -1;
         break;
+      case HWEvent::CEC_READ_MESSAGE:
+      case HWEvent::SHOW_BLANK_EVENT:
+      case HWEvent::THERMAL_LEVEL:
+        break;
       default:
         return kErrorNotSupported;
     }
diff --git a/sdm/libs/core/drm/hw_info_drm.cpp b/sdm/libs/core/drm/hw_info_drm.cpp
index 88e4efa..55bc003 100644
--- a/sdm/libs/core/drm/hw_info_drm.cpp
+++ b/sdm/libs/core/drm/hw_info_drm.cpp
@@ -194,7 +194,11 @@
   hw_resource->has_hdr = true;
 
   hw_resource->hw_version = SDEVERSION(4, 0, 1);
-  hw_resource->hw_revision = 0;
+  // TODO(user): On FB driver hw_revision comprises of major version, minor version and hw_revision.
+  // On DRM driver, hw_revision is deprecated and hw_version comprises major version, minor version
+  // and hw_revision information. Since QDCM uses hw_revision variable populate hw_revision with
+  // hw_version. Remove hw_revision variable when FB code is deperecated.
+  hw_resource->hw_revision = SDEVERSION(4, 0, 1);
 
   // TODO(user): Deprecate
   hw_resource->max_mixer_width = 2560;
@@ -293,6 +297,11 @@
   hw_resource->max_bandwidth_high = info.max_bandwidth_high / kKiloUnit;
   hw_resource->max_sde_clk = info.max_sde_clk;
   hw_resource->hw_version = info.hw_version;
+  // TODO(user): On FB driver hw_revision comprises of major version, minor version and hw_revision.
+  // On DRM driver, hw_revision is deprecated and hw_version comprises major version, minor version
+  // and hw_revision information. Since QDCM uses hw_revision variable populate hw_revision with
+  // hw_version. Remove hw_revision variable when FB code is deperecated.
+  hw_resource->hw_revision = info.hw_version;
 
   std::vector<LayerBufferFormat> sdm_format;
   for (auto &it : info.comp_ratio_rt_map) {
diff --git a/sdm/libs/core/drm/hw_peripheral_drm.cpp b/sdm/libs/core/drm/hw_peripheral_drm.cpp
index 667cd88..e78c862 100644
--- a/sdm/libs/core/drm/hw_peripheral_drm.cpp
+++ b/sdm/libs/core/drm/hw_peripheral_drm.cpp
@@ -60,6 +60,9 @@
   drm_mgr_intf_->GetConnectorInfo(token_.conn_id, &connector_info_);
   if (connector_info_.topology == DRMTopology::UNKNOWN) {
     connector_info_.topology = DRMTopology::DUAL_LM;
+    if (connector_info_.modes[current_mode_index_].hdisplay <= 1080) {
+      connector_info_.topology = DRMTopology::SINGLE_LM;
+    }
   }
 
   InitializeConfigs();
diff --git a/sdm/libs/core/fb/hw_device.cpp b/sdm/libs/core/fb/hw_device.cpp
index eb0d17b..cac1454 100644
--- a/sdm/libs/core/fb/hw_device.cpp
+++ b/sdm/libs/core/fb/hw_device.cpp
@@ -813,9 +813,11 @@
     const uint32_t max_count = 10;
     char *tokens[max_count] = { NULL };
     if (!ParseLine(line.c_str(), "=\n", tokens, max_count, &token_count)) {
-      if (!strncmp(tokens[0], "panel_name", strlen("panel_name"))) {
-        snprintf(panel_info->panel_name, sizeof(panel_info->panel_name), "%s", tokens[1]);
-        break;
+      if (tokens[0] != NULL) {
+        if (!strncmp(tokens[0], "panel_name", strlen("panel_name"))) {
+           snprintf(panel_info->panel_name, sizeof(panel_info->panel_name), "%s", tokens[1]);
+           break;
+        }
       }
     }
   }
diff --git a/sdm/libs/core/fb/hw_info.cpp b/sdm/libs/core/fb/hw_info.cpp
index f2a13e3..2cdae06 100644
--- a/sdm/libs/core/fb/hw_info.cpp
+++ b/sdm/libs/core/fb/hw_info.cpp
@@ -411,10 +411,12 @@
          string caps;
          while (Sys::getline_(caps_fs, caps)) {
            if (!ParseString(caps.c_str(), tokens, max_count, ":, =\n", &token_count)) {
-             if (!strncmp(tokens[0], "downscale_compression", strlen("downscale_compression"))) {
-               hw_resource->hw_rot_info.downscale_compression = UINT8(atoi(tokens[1]));
-             } else if (!strncmp(tokens[0], "min_downscale", strlen("min_downscale"))) {
-               hw_resource->hw_rot_info.min_downscale = FLOAT(atof(tokens[1]));
+             if (tokens[0] != NULL) {
+               if (!strncmp(tokens[0], "downscale_compression", strlen("downscale_compression"))) {
+                 hw_resource->hw_rot_info.downscale_compression = UINT8(atoi(tokens[1]));
+               } else if (!strncmp(tokens[0], "min_downscale", strlen("min_downscale"))) {
+                 hw_resource->hw_rot_info.min_downscale = FLOAT(atof(tokens[1]));
+               }
              }
            }
          }
diff --git a/sdm/libs/hwc2/hwc_session.cpp b/sdm/libs/hwc2/hwc_session.cpp
index 624105b..e0ac992 100644
--- a/sdm/libs/hwc2/hwc_session.cpp
+++ b/sdm/libs/hwc2/hwc_session.cpp
@@ -271,6 +271,8 @@
 
     int status = hwc_session->Init();
     if (status != 0) {
+      delete hwc_session;
+      hwc_session = NULL;
       return status;
     }