Hi Russell, On Sun, Feb 12, 2017 at 11:18 AM, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxx> wrote: > Hi, > > Here's another issue with imxdrm. I got this while trying to reproduce > Dan's problem by enabling the lvds output using the patch below > originally from Fabio, but updated a bit. This doesn't occur if I leave > LVDS disabled. > > The taint is due to the IMX capture modules from Steve, who chose to put > his code in drivers/staging/media rather than drivers/media. However, > the last module to make the capture stuff active (imx-csi) which interfaces > the drivers/gpu/ipu-v3 code with the capture code has not been loaded. > > ------------[ cut here ]------------ > WARNING: CPU: 1 PID: 1049 at /home/rmk/git/linux-rmk/drivers/gpu/drm/drm_atomic_helper.c:1149 drm_atomic_helper_wait_for_vblanks+0x218/0x224 > [CRTC:29] vblank wait timed out I am getting the same warning when trying to add HDMI support on imx6sx-udoo-neo board via TDA19988: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [drm] No driver support for vblank timestamp query. tda998x 2-0070: Falling back to first CRTC random: fast init done tda998x 2-0070: found TDA19988 mxsfb 2220000.lcdif: bound 2-0070 (ops tda998x_ops) [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [drm] No driver support for vblank timestamp query. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_atomic_helper.c:1149 drm_atomic_helper_wait_for_vblanks+00 [CRTC:26] vblank wait timed out Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0-rc7-00034-g2217172 #155 Hardware name: Freescale i.MX6 SoloX (Device Tree) Backtrace: [<c010c338>] (dump_backtrace) from [<c010c5e4>] (show_stack+0x18/0x1c) r7:00000000 r6:60000013 r5:00000000 r4:c0e29258 [<c010c5cc>] (show_stack) from [<c04004e0>] (dump_stack+0xb4/0xe8) [<c040042c>] (dump_stack) from [<c012590c>] (__warn+0xd8/0x104) r9:c04d63ac r8:0000047d r7:00000009 r6:c0c1f2b4 r5:00000000 r4:ef05f8c8 [<c0125834>] (__warn) from [<c0125974>] (warn_slowpath_fmt+0x3c/0x44) r9:ef350000 r8:ef037028 r7:00000000 r6:ef3bd600 r5:ef3d2c00 r4:c0c1f3d0 [<c012593c>] (warn_slowpath_fmt) from [<c04d63ac>] (drm_atomic_helper_wait_for_vblanks+0x230/0x240) r3:0000001a r2:c0c1f3d0 r4:00000000 [<c04d617c>] (drm_atomic_helper_wait_for_vblanks) from [<c04d64bc>] (drm_atomic_helper_commit_tail+0x50) r10:00000001 r9:ef3cd100 r8:ef350484 r7:ef350000 r6:00000000 r5:ef350000 r4:ef3d2c00 .... I haven't had a chance to debug this yet. If anyone makes any progress, please keep me on Cc. Thanks _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
