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Regarding display rotation support in OMAP5 GLSDK 6.04.00.02

vikash patil
Expert 1285 points

Hi All,

OMAP5 GLSDK datasheet page (http://processors.wiki.ti.com/index.php/GLSDK_Datasheet_OMAP5_6.04.00.02#OMAPDRM.2FOMAPDSS_.28Display_Subsystem_Driver.29) reads

Features Not Supported

  • Rotation/Tiler 2D
  • Default BG color, Transparency and color Keys

While I can see xrandr commands are give on GLSDK's developer guide (http://processors.wiki.ti.com/index.php/OMAP5_GLSDK_Software_Developers_Guide)


What does this not supported feature means? Is there any limitation/known issues apart form what is listed on release not of GLSDK_6.04.00.02 with regard to rotation while using X11 and xrandr?

Regards,

Vikash

  • 0
    Expert 1285 points

    Hi All,

    Also when I gave trials with xrandr it seems to be working but I see different behavior with different sequence of execution as following.  So I am confused if the rotation are working or not?

    Method 1:

    - start X11, start application

    - apply rotation with xrandr

    (attached here the screenshots: normal and then left)

    - here it seems only app window is repositioned to apply rotation but root window still shows full screen

     

    Method 2:

    - start X11

    - apply roatation using xrandr

    - start application

    (attached here the screenshot: left_2steps)

    - here the root window is also seems to rotated but app window seems to be scaled up and orientation of app window not as expected.

    Besides that the release notes lists the following known issues too. Due to which is it marked as rotation as unsupported feature ?

    http://processors.wiki.ti.com/index.php/OMAP5_GLSDK_6.04.00.02_Release_Notes

    • OMAPS00308451: X11: Functionality - Reflection/rotation operation with xrandr result in kernel hang and reboot is needed
    • OMAPS00308054: X11: Functionality - Mode set with xrandr doesn't change the video playback resolution

    Regards,

    Vikash

  • 0 in reply to vikash patil
    TI__Genius 10965 points

    Hi Vikash,

    Have you tried using the latest GLSDK release?

    http://downloads.ti.com/dsps/dsps_public_sw/glsdk/

    Regards,

    Boyko

  • 0 in reply to Boyko Kazakov
    Expert 1285 points

    Hi Boyko,

    No, I haven't used it. And it's release note also says "X11 has been deprecated and is not supported" so don't think I will use it at the moment.

    Regards,

    Vikash