On Mon, Nov 20, 2017 at 1:08 PM, Christian Zigotzky <chzigotzky@xxxxxxxxxxx> wrote: > Hi All, > > I tested the latest Git kernel version [1] on my Varisys Nemo board with a > 64-bit dual-core PWRficient PA6T-1682M PowerPC CPU (A-EON AmigaOne X1000) > [2] today. Unfortunately hardware 3D acceleration doesn't work anymore. It > works without any problems with the kernel 4.14.0 [3]. > > Error messages: > > dmesg | grep -i radeon > > [ 0.720715] [drm] radeon kernel modesetting enabled. > [ 0.720832] radeon 0000:01:00.0: runtime IRQ mapping not provided by arch > [ 0.894456] radeon 0000:01:00.0: VRAM: 1024M 0x0000000000000000 - > 0x000000003FFFFFFF (1024M used) > [ 0.894468] radeon 0000:01:00.0: GTT: 1024M 0x0000000040000000 - > 0x000000007FFFFFFF > [ 0.894617] [drm] radeon: 1024M of VRAM memory ready > [ 0.894624] [drm] radeon: 1024M of GTT memory ready. > [ 0.899823] [drm] radeon: dpm initialized > [ 0.933524] radeon 0000:01:00.0: (-12) create WB bo failed > [ 0.933532] radeon 0000:01:00.0: disabling GPU acceleration > [ 0.938686] [drm] Radeon Display Connectors > [ 1.447790] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device > [ 1.448338] [drm] Initialized radeon 2.50.0 20080528 for 0000:01:00.0 on > minor 0 > [ 39.299034] radeon_dp_aux_transfer_native: 158 callbacks suppressed > [ 70.924054] radeon_dp_aux_transfer_native: 158 callbacks suppressed > [ 683.732444] radeon_dp_aux_transfer_native: 410 callbacks suppressed > [ 1049.062659] radeon_dp_aux_transfer_native: 74 callbacks suppressed > > Problem: > > [ 0.933524] radeon 0000:01:00.0: (-12) create WB bo failed > [ 0.933532] radeon 0000:01:00.0: disabling GPU acceleration If you look at the code, radeon_bo_create() is failing with -ENOMEM in radeon_wb_init(). If you look at radeon_bo_create(), it can fail for the following reasons: 1. kzalloc fails 2. drm_gem_object_init fails 3. ttm_bo_init fails I'd start by looking into what's changed in those areas. Alex > > I was able to revert the first DRM updates [4]. This solved the problem with > the hardware 3D acceleration on my Varisys Nemo board. That means the bug is > somewhere in the first DRM updates [4]. > > Please find attached the DRM revert log. > > Cheers, > Christian > > > [1] http://www.xenosoft.de/vmlinux-4.15-alpha3-AmigaOne_X1000_X5000.tar.gz > [2] https://en.wikipedia.org/wiki/AmigaOne_X1000 > [3] http://www.xenosoft.de/vmlinux-4.14-AmigaOne_X1000_X5000.tar.gz > [4] > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e60e1ee60630cafef5e430c2ae364877e061d980 > > > > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
