[Bug 104441] New: drm/nouveau: drm_hwcomposer cannot get rotation property/does not work - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 104441] New: drm/nouveau: drm_hwcomposer cannot get rotation property/does not work
Date: Mon, 01 Jan 2018 23:45:51 +0000	[thread overview]
Message-ID: <bug-104441-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=104441

            Bug ID: 104441
           Summary: drm/nouveau: drm_hwcomposer cannot get rotation
                    property/does not work
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: issor.oruam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 136475
  --> https://bugs.freedesktop.org/attachment.cgi?id=136475&action=edit
logcat showing hwc errors

Hi,

while testing drm_hwcomposer (hwc v1),

having enabled atomic ioctl for drm/nouveau a series of properties can be
enquired, but rotation property returns an error in drmplane.cpp:123

01-02 00:05:42.626  2300  2300 E hwc-drm-plane: Could not get rotation property
01-02 00:05:42.626  2300  2300 I hwc-drm-plane: Could not get alpha property

Since ALOGE() is used, an error is signalled,
could you please check why rotation property not available and why
drm_hwcomposer is not working with drm/nouveau?

01-02 00:05:42.628  2300  2300 E hwc-drm-resources: Could not find a suitable
encoder/crtc for display 2
01-02 00:05:42.628  2300  2300 E hwc-drm-resources: Failed CreateDisplayPipe 49
with -19
01-02 00:05:42.628  2300  2300 E hwcomposer-drm: Can't initialize Drm object
-19
01-02 00:05:42.629  2300  2300 E SurfaceFlinger: composer device failed to
initialize (No such device)
01-02 00:05:42.629  2300  2300 E SurfaceFlinger: ERROR: failed to open
framebuffer (Invalid argument), aborting
--------- beginning of crash
01-02 00:05:42.629  2300  2300 F libc    : Fatal signal 6 (SIGABRT), code -6 in
tid 2300 (surfaceflinger), pid 2300 (surfaceflinger)

Another question is about alpha property,
is it correct/safe to assume that being only logged as info, with ALOGI()
it is not preventing drm_hwcomposer from working properly?

Full logcat attached
Mauro

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