lkml.org 
[lkml]   [2020]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v2 00/91] drm/vc4: Support BCM2711 Display Pipelin
    Hi,

    On Tue, Jun 30, 2020 at 04:26:20PM +0800, Jian-Hong Pan wrote:
    > Maxime Ripard <maxime@cerno.tech> 於 2020年6月29日 週一 下午10:21寫道:
    > >
    > > Hi!
    > >
    > > On Fri, Jun 05, 2020 at 04:44:51PM +0800, Jian-Hong Pan wrote:
    > > > Maxime Ripard <maxime@cerno.tech> 於 2020年6月2日 週二 下午7:04寫道:
    > > > >
    > > > > Hi,
    > > > >
    > > > > On Mon, Jun 01, 2020 at 03:58:26PM +0800, Jian-Hong Pan wrote:
    > > > > > Maxime Ripard <maxime@cerno.tech> 於 2020年5月28日 週四 下午3:30寫道:
    > > > > > >
    > > > > > > Hi Daniel,
    > > > > > >
    > > > > > > On Wed, May 27, 2020 at 05:15:12PM +0800, Daniel Drake wrote:
    > > > > > > > On Wed, May 27, 2020 at 5:13 PM Maxime Ripard <maxime@cerno.tech> wrote:
    > > > > > > > > I'm about to send a v3 today or tomorrow, I can Cc you (and Jian-Hong) if you
    > > > > > > > > want.
    > > > > > > >
    > > > > > > > That would be great, although given the potentially inconsistent
    > > > > > > > results we've been seeing so far it would be great if you could
    > > > > > > > additionally push a git branch somewhere.
    > > > > > > > That way we can have higher confidence that we are applying exactly
    > > > > > > > the same patches to the same base etc.
    > > > > > >
    > > > > > > So I sent a new iteration yesterday, and of course forgot to cc you... Sorry for
    > > > > > > that.
    > > > > > >
    > > > > > > I've pushed my current branch here:
    > > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git/log/?h=rpi4-kms
    > > > > >
    > > > > > Thanks to Maxime!
    > > > > >
    > > > > > I have tried your repository on branch rpi4-kms. The DRM VC4 is used!
    > > > > > But got some issues:
    > > > > > 1. Some weird error message in dmesg. Not sure it is related, or not
    > > > > > [ 5.219321] [drm:vc5_hdmi_init_resources] *ERROR* Failed to get
    > > > > > HDMI state machine clock
    > > > > > https://gist.github.com/starnight/3f317dca121065a361cf08e91225e389
    > > > >
    > > > > That's a deferred probing. The first time the HDMI driver is being
    > > > > probed, the firmware clock driver has not been probed yet. It's making
    > > > > another attempt later on, which succeeds.
    > > > >
    > > > > > 2. The screen flashes suddenly sometimes.
    > > >
    > > > I append drm.debug=0x3 to boot command. Whenever, the screen flashes,
    > > > I notice the logs like this:
    > > >
    > > > Jun 01 15:22:40 endless kernel: [drm:drm_calc_timestamping_constants]
    > > > crtc 64: hwmode: htotal 2200, vtotal 1125, vdisplay 1080
    > > > Jun 01 15:22:40 endless kernel: [drm:drm_calc_timestamping_constants]
    > > > crtc 64: clock 148500 kHz framedur 16666666 linedur 14814
    > > > Jun 01 15:22:40 endless kernel: [drm:drm_vblank_enable] enabling
    > > > vblank on crtc 3, ret: 0
    > > > Jun 01 15:22:40 endless kernel: [drm:drm_mode_object_put.part.0] OBJ ID: 159 (2)
    > > > Jun 01 15:22:40 endless kernel: [drm:drm_mode_object_put.part.0] OBJ ID: 154 (1)
    > > > Jun 01 15:22:40 endless kernel: [drm:vblank_disable_fn] disabling
    > > > vblank on crtc 3
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_ioctl] pid=584, dev=0xe200,
    > > > auth=1, DRM_IOCTL_MODE_CURSOR
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_ioctl] pid=584, dev=0xe200,
    > > > auth=1, DRM_IOCTL_MODE_CURSOR2
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_mode_object_get] OBJ ID: 159 (1)
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_mode_object_get] OBJ ID: 154 (1)
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_calc_timestamping_constants]
    > > > crtc 64: hwmode: htotal 2200, vtotal 1125, vdisplay 1080
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_calc_timestamping_constants]
    > > > crtc 64: clock 148500 kHz framedur 16666666 linedur 14814
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_vblank_enable] enabling
    > > > vblank on crtc 3, ret: 0
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_mode_object_put.part.0] OBJ ID: 159 (2)
    > > > Jun 01 15:22:42 endless kernel: [drm:drm_mode_object_put.part.0] OBJ ID: 154 (2)
    > > >
    > > > Here is the full log
    > > > https://gist.github.com/starnight/85d641819839eddc7a55ca7173990a56
    > > >
    > > > > > 3. The higher resolutions, like 1920x1080 ... are lost after hot
    > > > > > re-plug HDMI cable (HDMI0)
    > > >
    > > > I should explain this in more detail. Here are the steps to reproduce
    > > > this issue:
    > > > 1. Before unplug the HDMI cable from HDMI0 port.
    > > > $ xrandr
    > > > Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 2048 x 2048
    > > > HDMI-1 connected primary 1920x1080+0+0 (normal left inverted right x
    > > > axis y axis) 521mm x 293mm
    > > > 1920x1080 60.00*+ 50.00 59.94
    > > > 1920x1080i 60.00 50.00 59.94
    > > > 1680x1050 59.88
    > > > 1280x1024 75.02 60.02
    > > > 1440x900 59.90
    > > > 1280x960 60.00
    > > > 1152x864 75.00
    > > > 1280x720 60.00 50.00 59.94
    > > > 1440x576 50.00
    > > > 1024x768 75.03 70.07 60.00
    > > > 1440x480 60.00 59.94
    > > > 832x624 74.55
    > > > 800x600 72.19 75.00 60.32 56.25
    > > > 720x576 50.00
    > > > 720x480 60.00 59.94
    > > > 640x480 75.00 72.81 66.67 60.00 59.94
    > > > 720x400 70.08
    > > > HDMI-2 disconnected (normal left inverted right x axis y axis)
    > > >
    > > > 2. Unplug the HDMI cable from HDMI0 port.
    > > > 3. Plug the HDMI cable to **HDMI1** port.
    > > > $ xrandr
    > > > Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 2048 x 2048
    > > > HDMI-1 disconnected (normal left inverted right x axis y axis)
    > > > HDMI-2 connected primary 1920x1080+0+0 (normal left inverted right x
    > > > axis y axis) 521mm x 293mm
    > > > 1920x1080 60.00*+ 50.00 59.94
    > > > 1920x1080i 60.00 50.00 59.94
    > > > 1680x1050 59.88
    > > > 1280x1024 75.02 60.02
    > > > 1440x900 59.90
    > > > 1280x960 60.00
    > > > 1152x864 75.00
    > > > 1280x720 60.00 50.00 59.94
    > > > 1440x576 50.00
    > > > 1024x768 75.03 70.07 60.00
    > > > 1440x480 60.00 59.94
    > > > 832x624 74.55
    > > > 800x600 72.19 75.00 60.32 56.25
    > > > 720x576 50.00
    > > > 720x480 60.00 59.94
    > > > 640x480 75.00 72.81 66.67 60.00 59.94
    > > > 720x400 70.08
    > > >
    > > > 4. Unplug the HDMI cable from **HDMI1** port.
    > > > 5. Plug the HDMI cable back to HDMI0 port.
    > > > $ xrandr
    > > > Screen 0: minimum 320 x 200, current 1368 x 768, maximum 2048 x 2048
    > > > HDMI-1 connected primary 1368x768+0+0 (normal left inverted right x
    > > > axis y axis) 0mm x 0mm
    > > > 1368x768 59.88*
    > > > 1360x768 59.80
    > > > 1280x800 59.81
    > > > 1152x864 60.00
    > > > 1280x720 59.86
    > > > 1024x768 60.00
    > > > 1024x576 59.90
    > > > 960x540 59.63
    > > > 800x600 60.32
    > > > 800x450 59.82
    > > > 700x450 59.88
    > > > 640x480 59.94
    > > > 684x384 59.88 59.85
    > > > 680x384 59.80 59.96
    > > > 640x400 59.88 59.98
    > > > 576x432 60.06
    > > > 640x360 59.86 59.83
    > > > 512x384 60.00
    > > > 512x288 60.00 59.92
    > > > 480x270 59.63 59.82
    > > > 400x300 60.32
    > > > 320x240 60.05
    > > > HDMI-2 disconnected (normal left inverted right x axis y axis)
    > >
    > > Sorry for getting back at it so late. I just tested with modetest only
    > > and my current branch and it seems to behave properly. Did you had to
    > > run X to get that issue, or is it just how you noticed it?
    > >
    > > Also, was that with the branch based on 5.7 I pushed on my git tree on
    > > kernel.org or some earlier revision of the series?
    >
    > Thanks for coming back :)
    >
    > I use GNOME 3.36 with Xorg 1.20.4.
    >
    > To understand when it starts to hit the issues, I separate to step by step:
    > 1. System boots into command line mode first (systemd multi-user.target)
    > 2. Execute Xorg, then xterm.
    > 3. Execute mutter upon the screen of Xorg.
    >
    > I tried both branches rpi4-kms and rpi4-kms-5.7 of
    > https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux.git
    > Both of the branches hit issues:
    > * The screen flashes suddenly sometimes. This happens after mutter is launched.
    > * The higher resolutions, like 1920x1080 ... are lost after hot
    > re-plug HDMI cable (HDMI0). HDMI cable connects to HDMI0 -> HDMI1 ->
    > HDMI0. This happens not only with GNOME, but also pure Xorg.

    I just tested with raspbian exactly this, running the same xorg version:
    https://pastebin.com/3fKeFPxf

    And without X involved, modetest also reports the modes properly, so
    it's probably something in either the DDX you're using or Gnome/mutter.

    Maxime
    [unhandled content-type:application/pgp-signature]
    \
     
     \ /
      Last update: 2020-07-03 15:09    [W:4.489 / U:0.064 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site