[Ozone-Drm] Replace some LOGs with PLOGs and some with VLOGs

Log messages that are less critical were moved to VLOG(2) so they won't
show up by default. The others have been changed to PLOGs so that we get
more information on why the kernel rejected the DRM calls.

BUG=none

Review URL: https://codereview.chromium.org/970323002

Cr-Commit-Position: refs/heads/master@{#319410}

1 files changed, 7 insertions, 11 deletions

diff --git a/ui/ozone/platform/drm/gpu/hardware_display_plane_manager_legacy.cc b/ui/ozone/platform/drm/gpu/hardware_display_plane_manager_legacy.cc
index 6dacd32..b204508 100644
--- a/ui/ozone/platform/drm/gpu/hardware_display_plane_manager_legacy.cc
+++ b/ui/ozone/platform/drm/gpu/hardware_display_plane_manager_legacy.cc
@@ -36,9 +36,8 @@ bool HardwareDisplayPlaneManagerLegacy::Commit(
     for (const auto& plane : flip.planes) {
       if (!drm_->PageFlipOverlay(flip.crtc_id, plane.framebuffer, plane.bounds,
                                  plane.src_rect, plane.plane)) {
-        LOG(ERROR) << "Cannot display plane on overlay: error="
-                   << strerror(errno) << "crtc=" << flip.crtc
-                   << " plane=" << plane.plane;
+        PLOG(ERROR) << "Cannot display plane on overlay: crtc=" << flip.crtc
+                    << " plane=" << plane.plane;
         ret = false;
         flip.crtc->PageFlipFailed();
         break;
@@ -48,11 +47,9 @@ bool HardwareDisplayPlaneManagerLegacy::Commit(
                         base::Bind(&CrtcController::OnPageFlipEvent,
                                    flip.crtc->AsWeakPtr()))) {
       if (errno != EACCES) {
-        LOG(ERROR) << "Cannot page flip: error='" << strerror(errno) << "'"
-                   << " crtc=" << flip.crtc_id
-                   << " framebuffer=" << flip.framebuffer
-                   << " is_sync=" << is_sync;
-        LOG(ERROR) << "Failed to commit planes";
+        PLOG(ERROR) << "Cannot page flip: crtc=" << flip.crtc_id
+                    << " framebuffer=" << flip.framebuffer
+                    << " is_sync=" << is_sync;
         ret = false;
       }
       flip.crtc->PageFlipFailed();
@@ -65,9 +62,8 @@ bool HardwareDisplayPlaneManagerLegacy::Commit(
       // This plane is being released, so we need to zero it.
       if (!drm_->PageFlipOverlay(plane->owning_crtc(), 0, gfx::Rect(),
                                  gfx::Rect(), plane->plane_id())) {
-        LOG(ERROR) << "Cannot free overlay: error=" << strerror(errno)
-                   << "crtc=" << plane->owning_crtc()
-                   << " plane=" << plane->plane_id();
+        PLOG(ERROR) << "Cannot free overlay: crtc=" << plane->owning_crtc()
+                    << " plane=" << plane->plane_id();
         ret = false;
         break;
       }