drm_hwcomposer: CI: Set clang-tidy level to NORMAL for some files

Some of files require small adjustments to move into NORMAL checks list.

Signed-off-by: Roman Stratiienko <roman.o.stratiienko@globallogic.com>
diff --git a/drm/DrmCrtc.cpp b/drm/DrmCrtc.cpp
index 4da08fe..08a1922 100644
--- a/drm/DrmCrtc.cpp
+++ b/drm/DrmCrtc.cpp
@@ -33,19 +33,19 @@
 
 int DrmCrtc::Init() {
   int ret = drm_->GetCrtcProperty(*this, "ACTIVE", &active_property_);
-  if (ret) {
+  if (ret != 0) {
     ALOGE("Failed to get ACTIVE property");
     return ret;
   }
 
   ret = drm_->GetCrtcProperty(*this, "MODE_ID", &mode_property_);
-  if (ret) {
+  if (ret != 0) {
     ALOGE("Failed to get MODE_ID property");
     return ret;
   }
 
   ret = drm_->GetCrtcProperty(*this, "OUT_FENCE_PTR", &out_fence_ptr_property_);
-  if (ret) {
+  if (ret != 0) {
     ALOGE("Failed to get OUT_FENCE_PTR property");
     return ret;
   }
diff --git a/drm/DrmDevice.cpp b/drm/DrmDevice.cpp
index 8dee817..a679bf5 100644
--- a/drm/DrmDevice.cpp
+++ b/drm/DrmDevice.cpp
@@ -391,14 +391,6 @@
   return nullptr;
 }
 
-DrmPlane *DrmDevice::GetPlane(uint32_t id) const {
-  for (const auto &plane : planes_) {
-    if (plane->id() == id)
-      return plane.get();
-  }
-  return nullptr;
-}
-
 const std::vector<std::unique_ptr<DrmCrtc>> &DrmDevice::crtcs() const {
   return crtcs_;
 }
diff --git a/drm/DrmDevice.h b/drm/DrmDevice.h
index b5508af..d3effc2 100644
--- a/drm/DrmDevice.h
+++ b/drm/DrmDevice.h
@@ -63,7 +63,6 @@
   DrmConnector *GetWritebackConnectorForDisplay(int display) const;
   DrmConnector *AvailableWritebackConnector(int display) const;
   DrmCrtc *GetCrtcForDisplay(int display) const;
-  DrmPlane *GetPlane(uint32_t id) const;
 
   int GetCrtcProperty(const DrmCrtc &crtc, const char *prop_name,
                       DrmProperty *property) const;
diff --git a/drm/DrmFbImporter.h b/drm/DrmFbImporter.h
index 167aa60..efeb457 100644
--- a/drm/DrmFbImporter.h
+++ b/drm/DrmFbImporter.h
@@ -57,7 +57,7 @@
   const std::shared_ptr<DrmDevice> drm_;
 
   uint32_t fb_id_{};
-  std::array<GemHandle, HWC_DRM_BO_MAX_PLANES> gem_handles_{};
+  std::array<GemHandle, kHwcDrmBoMaxPlanes> gem_handles_{};
 };
 
 class DrmFbImporter {
diff --git a/drm/DrmPlane.cpp b/drm/DrmPlane.cpp
index f6ddad2..8114234 100644
--- a/drm/DrmPlane.cpp
+++ b/drm/DrmPlane.cpp
@@ -133,10 +133,6 @@
   return 0;
 }
 
-uint32_t DrmPlane::id() const {
-  return id_;
-}
-
 bool DrmPlane::GetCrtcSupported(const DrmCrtc &crtc) const {
   return ((1 << crtc.pipe()) & possible_crtc_mask_) != 0;
 }
@@ -176,7 +172,7 @@
   return true;
 }
 
-uint32_t DrmPlane::type() const {
+uint32_t DrmPlane::GetType() const {
   return type_;
 }
 
@@ -212,7 +208,7 @@
 
 auto DrmPlane::AtomicSetState(drmModeAtomicReq &pset, DrmHwcLayer &layer,
                               uint32_t zpos, uint32_t crtc_id) -> int {
-  if (!layer.FbIdHandle) {
+  if (!layer.fb_id_handle) {
     ALOGE("Expected a valid framebuffer for pset");
     return -EINVAL;
   }
@@ -234,7 +230,7 @@
   }
 
   if (!crtc_property_.AtomicSet(pset, crtc_id) ||
-      !fb_property_.AtomicSet(pset, layer.FbIdHandle->GetFbId()) ||
+      !fb_property_.AtomicSet(pset, layer.fb_id_handle->GetFbId()) ||
       !crtc_x_property_.AtomicSet(pset, layer.display_frame.left) ||
       !crtc_y_property_.AtomicSet(pset, layer.display_frame.top) ||
       !crtc_w_property_.AtomicSet(pset, layer.display_frame.right -
@@ -289,7 +285,7 @@
   return 0;
 }
 
-const DrmProperty &DrmPlane::zpos_property() const {
+const DrmProperty &DrmPlane::GetZPosProperty() const {
   return zpos_property_;
 }
 
diff --git a/drm/DrmPlane.h b/drm/DrmPlane.h
index 6487776..e1ee920 100644
--- a/drm/DrmPlane.h
+++ b/drm/DrmPlane.h
@@ -39,12 +39,10 @@
 
   int Init();
 
-  uint32_t id() const;
-
   bool GetCrtcSupported(const DrmCrtc &crtc) const;
   bool IsValidForLayer(DrmHwcLayer *layer);
 
-  uint32_t type() const;
+  uint32_t GetType() const;
 
   bool IsFormatSupported(uint32_t format) const;
   bool HasNonRgbFormat() const;
@@ -52,7 +50,7 @@
   auto AtomicSetState(drmModeAtomicReq &pset, DrmHwcLayer &layer, uint32_t zpos,
                       uint32_t crtc_id) -> int;
   auto AtomicDisablePlane(drmModeAtomicReq &pset) -> int;
-  const DrmProperty &zpos_property() const;
+  const DrmProperty &GetZPosProperty() const;
 
  private:
   DrmDevice *drm_;
diff --git a/drm/ResourceManager.cpp b/drm/ResourceManager.cpp
index 2cd393f..46f77e4 100644
--- a/drm/ResourceManager.cpp
+++ b/drm/ResourceManager.cpp
@@ -49,12 +49,12 @@
     ret = AddDrmDevice(std::string(path_pattern));
   } else {
     path_pattern[path_len - 1] = '\0';
-    for (int idx = 0; !ret; ++idx) {
+    for (int idx = 0; ret == 0; ++idx) {
       std::ostringstream path;
       path << path_pattern << idx;
 
       struct stat buf {};
-      if (stat(path.str().c_str(), &buf))
+      if (stat(path.str().c_str(), &buf) != 0)
         break;
 
       if (DrmDevice::IsKMSDev(path.str().c_str()))
@@ -62,22 +62,22 @@
     }
   }
 
-  if (!num_displays_) {
+  if (num_displays_ == 0) {
     ALOGE("Failed to initialize any displays");
-    return ret ? -EINVAL : ret;
+    return ret != 0 ? -EINVAL : ret;
   }
 
   char scale_with_gpu[PROPERTY_VALUE_MAX];
   property_get("vendor.hwc.drm.scale_with_gpu", scale_with_gpu, "0");
   scale_with_gpu_ = bool(strncmp(scale_with_gpu, "0", 1));
 
-  if (!BufferInfoGetter::GetInstance()) {
+  if (BufferInfoGetter::GetInstance() == nullptr) {
     ALOGE("Failed to initialize BufferInfoGetter");
     return -EINVAL;
   }
 
   ret = uevent_listener_.Init();
-  if (ret) {
+  if (ret != 0) {
     ALOGE("Can't initialize event listener %d", ret);
     return ret;
   }
diff --git a/drm/ResourceManager.h b/drm/ResourceManager.h
index b02bf36..773b350 100644
--- a/drm/ResourceManager.h
+++ b/drm/ResourceManager.h
@@ -34,10 +34,10 @@
 
   int Init();
   DrmDevice *GetDrmDevice(int display);
-  const std::vector<std::unique_ptr<DrmDevice>> &getDrmDevices() const {
+  const std::vector<std::unique_ptr<DrmDevice>> &GetDrmDevices() const {
     return drms_;
   }
-  int getDisplayCount() const {
+  int GetDisplayCount() const {
     return num_displays_;
   }
   bool ForcedScalingWithGpu() const {