[Letux-kernel] tiler? woes

Andreas Kemnade andreas at kemnade.info
Fri Nov 30 23:41:20 CET 2018


Hi,

while my last try was without tiler patches, this one is now with tiler
again. I get this:

[   11.532925] DISPC: context saved
[   11.539333] DSS: dss_save_context
[   11.542816] DSS: context saved
[   11.546251] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   11.553194] [drm] No driver support for vblank timestamp query.
[   11.560967] panel-btl507212-w677l 58004000.encoder:lcd: get_timings()  in = dsi.0 0   (null)
[   11.567516] wl18xx_driver wl18xx.0.auto wlan1: renamed from wlan0
[   11.570171] panel-btl507212-w677l 58004000.encoder:lcd: check_timings() in = dsi.0 0   (null)
[   11.570649] ------------[ cut here ]------------
[   11.590852] WARNING: CPU: 1 PID: 1312 at /home/andi/gta04/pyra-kernel/drivers/gpu/drm/omapdrm/omap_gem.c:239 omap_gem_attach_pages+0x40/0x20c [omapdrm]
[   11.605248] Modules linked in: arc4 omapdrm(+) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops snd_soc_omap_hdmi_audio wl18xx wlcore panel_boe_w677l mac80211 snd_soc_dmic cfg80211 dwc3 omapdss snd_soc_omap_abe_twl6040 sna
[   11.695718] CPU: 1 PID: 1312 Comm: udevd Tainted: G        W         4.20.0-rc4-letux+ #3
[   11.704300] Hardware name: Generic OMAP5 (Flattened Device Tree)
[   11.710616] [<c01110e4>] (unwind_backtrace) from [<c010c664>] (show_stack+0x10/0x14)
[   11.718771] [<c010c664>] (show_stack) from [<c0846f58>] (dump_stack+0x90/0xc4)
[   11.726355] [<c0846f58>] (dump_stack) from [<c01332ec>] (__warn+0xf0/0x110)
[   11.733672] [<c01332ec>] (__warn) from [<c013341c>] (warn_slowpath_null+0x38/0x44)
[   11.741661] [<c013341c>] (warn_slowpath_null) from [<bf69160c>] (omap_gem_attach_pages+0x40/0x20c [omapdrm])
[   11.752067] [<bf69160c>] (omap_gem_attach_pages [omapdrm]) from [<bf691860>] (_omap_gem_pin+0x88/0x174 [omapdrm])
[   11.762893] [<bf691860>] (_omap_gem_pin [omapdrm]) from [<bf692b28>] (omap_gem_new+0x2b0/0x320 [omapdrm])
[   11.772994] [<bf692b28>] (omap_gem_new [omapdrm]) from [<bf695c30>] (omap_fbdev_create+0xb0/0x364 [omapdrm])
[   11.783397] [<bf695c30>] (omap_fbdev_create [omapdrm]) from [<bf668280>] (__drm_fb_helper_initial_config_and_unlock+0x2b0/0x3b8 [drm_kms_helper])
[   11.797166] [<bf668280>] (__drm_fb_helper_initial_config_and_unlock [drm_kms_helper]) from [<bf696048>] (omap_fbdev_init+0xa8/0xf4 [omapdrm])
[   11.810537] [<bf696048>] (omap_fbdev_init [omapdrm]) from [<bf68e9c8>] (pdev_probe+0x524/0x644 [omapdrm])
[   11.820615] [<bf68e9c8>] (pdev_probe [omapdrm]) from [<c0577e64>] (platform_drv_probe+0x48/0x94)
[   11.829839] [<c0577e64>] (platform_drv_probe) from [<c0575dd0>] (really_probe+0x1f0/0x2c0)
[   11.838505] [<c0575dd0>] (really_probe) from [<c057612c>] (driver_probe_device+0x140/0x15c)
[   11.847280] [<c057612c>] (driver_probe_device) from [<c05761dc>] (__driver_attach+0x94/0xd0)
[   11.856142] [<c05761dc>] (__driver_attach) from [<c05743c0>] (bus_for_each_dev+0x64/0xa0)
[   11.864735] [<c05743c0>] (bus_for_each_dev) from [<c0575338>] (bus_add_driver+0x170/0x1d8)
[   11.873414] [<c0575338>] (bus_add_driver) from [<c057710c>] (driver_register+0xb4/0xf8)
[   11.881816] [<c057710c>] (driver_register) from [<c0577f24>] (__platform_register_drivers+0x40/0x7c)
[   11.891404] [<c0577f24>] (__platform_register_drivers) from [<c010317c>] (do_one_initcall+0x170/0x3d8)
[   11.901176] [<c010317c>] (do_one_initcall) from [<c01d476c>] (do_init_module+0x58/0x1cc)
[   11.909673] [<c01d476c>] (do_init_module) from [<c01d344c>] (load_module+0x19dc/0x207c)
[   11.918073] [<c01d344c>] (load_module) from [<c01d3d1c>] (sys_finit_module+0x94/0xb4)
[   11.926298] [<c01d3d1c>] (sys_finit_module) from [<c0101000>] (ret_fast_syscall+0x0/0x28)

without tiler patches (and without playing around with rotation) X
thinks at least there is a display to to something with. enable() is
called. But I have not seen any output yet.

Regards,
Andreas
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