gistfile1.txt

diff --git a/ui/ozone/platform/dri/dri_buffer.cc b/ui/ozone/platform/dri/dri_buffer.cc
index e4cde59..5efb772 100644
--- a/ui/ozone/platform/dri/dri_buffer.cc
+++ b/ui/ozone/platform/dri/dri_buffer.cc
@@ -50,6 +50,7 @@ bool CreateDumbBuffer(int fd,
                       uint32_t* handle,
                       uint32_t* stride) {
   struct drm_mode_create_dumb request;
+  memset(&request, 0, sizeof(request));
   request.width = info.width();
   request.height = info.height();
   request.bpp = info.bytesPerPixel() << 3;
@@ -61,7 +62,7 @@ bool CreateDumbBuffer(int fd,
     return false;
   }
 
-  DCHECK_EQ(info.getSafeSize(request.pitch), request.size);
+  DCHECK_LE(info.getSafeSize(request.pitch), request.size);
 
   *handle = request.handle;
   *stride = request.pitch;
diff --git a/ui/ozone/platform/dri/dri_util.cc b/ui/ozone/platform/dri/dri_util.cc
index b739545..0722108 100644
--- a/ui/ozone/platform/dri/dri_util.cc
+++ b/ui/ozone/platform/dri/dri_util.cc
@@ -105,6 +105,8 @@ GetAvailableDisplayControllerInfos(int fd) {
 
     drmModeCrtc* crtc = drmModeGetCrtc(fd, crtc_id);
     displays.push_back(new HardwareDisplayControllerInfo(connector, crtc));
+
+    DLOG(INFO) << "mode for connector " << connector->connector_id << " is " << connector->modes[0].hdisplay << "x" << connector->modes[0].vdisplay;
   }
 
   drmModeFreeResources(resources);
@@ -133,6 +135,7 @@ bool MapDumbBuffer(int fd,
                    uint32_t size,
                    void** pixels) {
   struct drm_mode_map_dumb map_request;
+  memset(&map_request, 0, sizeof(map_request));
   map_request.handle = handle;
   if (drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &map_request)) {
     DLOG(ERROR) << "Cannot prepare dumb buffer for mapping (" << errno << ") "
diff --git a/ui/ozone/platform/dri/dri_wrapper.cc b/ui/ozone/platform/dri/dri_wrapper.cc
index 5bdf195..db33dd4 100644
--- a/ui/ozone/platform/dri/dri_wrapper.cc
+++ b/ui/ozone/platform/dri/dri_wrapper.cc
@@ -36,11 +36,13 @@ bool DriWrapper::SetCrtc(uint32_t crtc_id,
                          uint32_t* connectors,
                          drmModeModeInfo* mode) {
   CHECK(fd_ >= 0);
+  LOG(ERROR) << "set_crtc: " << crtc_id << " conn: " << *connectors << "buf: " << framebuffer;
   return !drmModeSetCrtc(fd_, crtc_id, framebuffer, 0, 0, connectors, 1, mode);
 }
 
 bool DriWrapper::SetCrtc(drmModeCrtc* crtc, uint32_t* connectors) {
   CHECK(fd_ >= 0);
+  LOG(ERROR) << "set_crtc: " << crtc->crtc_id << " conn: " << *connectors << "buf: " << crtc->buffer_id;
   return !drmModeSetCrtc(fd_,
                          crtc->crtc_id,
                          crtc->buffer_id,
@@ -64,7 +66,7 @@ bool DriWrapper::AddFramebuffer(uint32_t width,
                                 uint32_t handle,
                                 uint32_t* framebuffer) {
   CHECK(fd_ >= 0);
-  return !drmModeAddFB(fd_,
+  bool ret = drmModeAddFB(fd_,
                        width,
                        height,
                        depth,
@@ -72,6 +74,8 @@ bool DriWrapper::AddFramebuffer(uint32_t width,
                        stride,
                        handle,
                        framebuffer);
+  LOG(ERROR) << "drm_mode_add_fb ret: " << ret << " fb: " << *framebuffer << " " << handle << " " << stride;
+  return !ret;
 }
 
 bool DriWrapper::RemoveFramebuffer(uint32_t framebuffer) {
@@ -83,11 +87,14 @@ bool DriWrapper::PageFlip(uint32_t crtc_id,
                           uint32_t framebuffer,
                           void* data) {
   CHECK(fd_ >= 0);
-  return !drmModePageFlip(fd_,
+  bool ret = drmModePageFlip(fd_,
                           crtc_id,
                           framebuffer,
                           DRM_MODE_PAGE_FLIP_EVENT,
                           data);
+
+  LOG(ERROR) << "page flip " << ret << " crtc: " << crtc_id << " " << framebuffer;
+  return !ret;
 }
 
 drmModeFB* DriWrapper::GetFramebuffer(uint32_t framebuffer) {
diff --git a/ui/ozone/platform/dri/hardware_display_controller.cc b/ui/ozone/platform/dri/hardware_display_controller.cc
index 4b00c6e..95599f4 100644
--- a/ui/ozone/platform/dri/hardware_display_controller.cc
+++ b/ui/ozone/platform/dri/hardware_display_controller.cc
@@ -110,6 +110,8 @@ void HardwareDisplayController::Disable() {
 
 bool HardwareDisplayController::SchedulePageFlip() {
   CHECK(surface_);
+
+  LOG(INFO) << "Attempting to PageFlip connector: " << connector_id_;
   if (!is_disabled_ && !drm_->PageFlip(crtc_id_,
                                        surface_->GetFramebufferId(),
                                        this)) {