Hi, this Patchset does not hang on Bananapi R2, but does not show anything on FB-Console...seems anything is missing
https://github.com/frank-w/BPI-R2-4.14/tree/4.20-fbdev dmesg | grep 'fb\|framebuffer' [ 0.000000] Linux version 4.20.0-rc7-bpi-r2-fbdev (frank@frank-N56VZ) (gcc version 7.3.0 (Ubuntu/Linaro 7.3.0-27ubuntu1~18.04)) 9 [ 0.000000] cma: Reserved 64 MiB at 0xfb800000 [ 0.000000] Kernel command line: board=bpi-r2 console=earlyprintk console=tty1 fbcon=map:0 console=ttyS0,115200 root=/dev/mmcblk7 [ 5.733185] [drm:drm_fb_helper_generic_probe] surface width(1280), height(1024) and bpp(32) [ 5.754452] [drm:drm_mode_addfb2] [FB:44] [ 5.792878] mediatek-drm 14000000.dispsys: fb0: DRM emulated frame buffer device [ 5.814067] [drm:drm_fb_helper_hotplug_event.part.11] [ 6.203083] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_hotplug] fbdev: ret=0 [ 24.930347] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_restore] fbdev: ret=0 [ 25.196872] mediatek-drm 14000000.dispsys: [drm:drm_client_dev_restore] fbdev: ret=0 [ 25.281184] [drm:drm_mode_addfb2] [FB:49] [ 27.947962] [drm:drm_mode_addfb2] [FB:49] regards Frank > Gesendet: Mittwoch, 16. Januar 2019 um 02:39 Uhr > Von: "CK Hu" <ck...@mediatek.com> > An: "Philipp Zabel" <p.za...@pengutronix.de>, "David Airlie" > <airl...@linux.ie>, "Daniel Vetter" <dan...@ffwll.ch>, "Matthias Brugger" > <matthias....@gmail.com>, "Noralf Tr�nnes" <nor...@tronnes.org>, "Frank > Wunderlich" <fran...@public-files.de> > Cc: dri-de...@lists.freedesktop.org, linux-arm-ker...@lists.infradead.org, > linux-media...@lists.infradead.org, linux-kernel@vger.kernel.org, > srv_heupstr...@mediatek.com, "CK Hu" <ck...@mediatek.com> > Betreff: [PATCH 2/2] drm/mediatek: Add Mediatek framebuffer device > > For Mediatek drm driver, use fbdev emulation to create a framebuffer > device. > > Signed-off-by: CK Hu <ck...@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > index 6ec4ca070382..5fcc0e294696 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c > @@ -16,6 +16,7 @@ > #include <drm/drm_atomic.h> > #include <drm/drm_atomic_helper.h> > #include <drm/drm_crtc_helper.h> > +#include <drm/drm_fb_helper.h> > #include <drm/drm_gem.h> > #include <drm/drm_gem_cma_helper.h> > #include <drm/drm_of.h> > @@ -378,6 +379,10 @@ static int mtk_drm_bind(struct device *dev) > if (ret < 0) > goto err_deinit; > > + ret = drm_fbdev_generic_setup(drm, 32); > + if (ret) > + DRM_ERROR("Failed to initialize fbdev: %d\n", ret); > + > return 0; > > err_deinit: > -- > 2.18.1 > >
