On 16 June 2016 at 17:56, Rob Herring <r...@kernel.org> wrote: > On Thu, Jun 16, 2016 at 11:44 AM, Rob Clark <robdcl...@gmail.com> wrote: >> On Wed, Jun 15, 2016 at 8:34 PM, Rob Herring <r...@kernel.org> wrote: >>> In the process of adding RGBX (XB24) format to mesa for Android, I >>> started seeing a new problem that makes the UI stop updating. It >>> happens about when the splash screen is stopped and the lock screen is >>> displayed. The display flickers on mouse movement, and it looks like >>> the screen is flipping to old buffers (like the splash screen after >>> its process exited). It is working fine for freedreno AFAICT, but I am >>> running into a problem with virgl. With virgl, I get the following >>> error: >>> >>> vrend_create_surface: context error reported 1 "surfaceflinger" >>> Illegal resource 1435 >>> vrend_report_buffer_error: context error reported 1 "surfaceflinger" >>> Illegal command buffer 329729 >>> >>> The addition of the pixel format changes the eglconfig used for the >>> splash screen. If I force the splash screen eglconfig to have an alpha >>> or draw one frame of the splash screen and exit early or disable the >>> splash screen, everything seems fine though I have hit the problem >>> rarely navigating around. I suspect this has nothing to do with the >>> pixel format other than different buffer sizes cause buffers to get >>> reused differently. >>> >>> Now I've started working on getting RPi3 and vc4 working, and it >>> appears to have a similar problem. I'm getting these errors though >>> things go haywire before getting any error message: >>> >>> [ 43.846569] [drm:vc4_submit_cl_ioctl] *ERROR* Failed to look up GEM BO >>> 0: 4 >> >> at least in the vc4 case, I suspect you need a similar bit of winsys >> magic to ensure the same pipe_screen is returned for any given drm >> device fd. (Or did someone already add that?) > > That problem should be gone with GBM gralloc, right? > I think you might have figured it out already, but just in case: GBM gralloc does not make the winsys fd hashing obsolete. It only removes the need for exporting the foo_winsys_create symbol from the DRI module and using it directing from (drm_)gralloc.
-Emil _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
