* Tomi Valkeinen <tomi.valkeinen@xxxxxx> [171019 23:13]: > On 19/10/17 19:30, Tony Lindgren wrote: > > Hi Tomi, > > > > Looks like omapdrm won't show anything with current Linux next based > > on my test with 900: > > > > modprobe twl4030_keypad > > modprobe tsc2005 > > modprobe omapdss > > modprobe panel_sony_acx565akm > > modprobe omapdrm > > > > echo 255 > /sys/class/backlight/acx565akm/brightness > > echo 0 > /sys/class/graphics/fb0/blank > > echo 1 > /sys/class/graphics/fb0/blank > > echo 0 > /sys/class/graphics/fb0/blank > > > > # ls -l /dev/fb* > > ls: cannot access '/dev/fb*': No such file or directory It seems to be also happening with current -rc kernels, adding Aaro to Cc. > What does the bootlog say? Not much anything interesting: twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected. twl_rtc 48070000.i2c:twl@48:rtc: Enabling TWL-RTC twl_rtc 48070000.i2c:twl@48:rtc: rtc core: registered 48070000.i2c:twl@48:rtc as rtc0 input: TWL4030 Keypad as /devices/platform/68000000.ocp/48070000.i2c/i2c-1/1-0048/48070000.i2c:twl@48:keypad/input/input0 tsc2005 spi0.0: GPIO lookup for consumer reset tsc2005 spi0.0: using device tree for GPIO lookup of_get_named_gpiod_flags: parsed 'reset-gpios' property of node '/ocp@68000000/spi@48098000/tsc2005@0[0]' - status (0) input: TSC2005 touchscreen as /devices/platform/68000000.ocp/48098000.spi/spi_master/spi0/spi0.0/input/input1 omapdss_dss 48050000.dss: 48050000.dss supply vdda_video not found, using dummy regulator DSS: OMAP DSS rev 2.0 omapdss_dss 48050000.dss: bound 48050400.dispc (ops dispc_component_ops [omapdss]) omapdss_dss 48050000.dss: bound 48050c00.encoder (ops venc_component_ops [omapdss]) of_get_named_gpiod_flags: parsed 'reset-gpios' property of node '/ocp@68000000/spi@48098000/acx565akm@2[0]' - status (0) acx565akm spi0.2: omapfb: acx565akm rev 8b LCD detected No output from drm though with the modules loaded: # lsmod Module Size Used by omapdrm 69632 0 drm_kms_helper 163840 1 omapdrm cfbfillrect 16384 1 drm_kms_helper syscopyarea 16384 1 drm_kms_helper cfbimgblt 16384 1 drm_kms_helper sysfillrect 16384 1 drm_kms_helper sysimgblt 16384 1 drm_kms_helper fb_sys_fops 16384 1 drm_kms_helper cfbcopyarea 16384 1 drm_kms_helper drm 364544 2 omapdrm,drm_kms_helper panel_sony_acx565akm 16384 0 omapdss 192512 1 omapdss_base 24576 3 panel_sony_acx565akm,omapdrm,omapdss tsc2005 16384 0 tsc200x_core 16384 1 tsc2005 twl4030_keypad 16384 0 matrix_keymap 16384 1 twl4030_keypad rtc_twl 16384 1 twl4030_wdt 16384 0 Am I missing some module now? > I tried x15 on next. I see > > BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1 > > and > > WARNING: possible circular locking dependency detected > > But I don't think those affect DSS. > > I see cma allocs failing for many drivers: > > cma: cma_alloc: alloc failed, req-size: 1 pages, ret: -16 > > Which obviously breaks dss... Yeah things seem quite broken in next again :( That cma_alloc issue is caused by commit c11a39772b51 ("mm: drop migrate type checks from has_unmovable_pages") and has a fix being discussed at: https://patchwork.kernel.org/patch/10016595/ But this n900 issue seems to be something different. Regards, Tony _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel