Le jeudi 21 septembre 2023 à 18:13 +1000, Jonathan Gray a écrit : > On Thu, Sep 21, 2023 at 09:55:44AM +0200, Solène Rapenne wrote: > > Le jeudi 21 septembre 2023 à 17:50 +1000, Jonathan Gray a écrit : > > > On Thu, Sep 21, 2023 at 09:05:50AM +0200, Solène Rapenne wrote: > > > > > Synopsis: my GPU AMD Sapphire RX 6600 isn't recognized > > > > > Category: kernel > > > > > Environment: > > > > System : OpenBSD 7.4 > > > > Details : OpenBSD 7.4-beta (GENERIC.MP) #1372: Wed > > > > Sep > > > > 20 09:43:54 MDT 2023 > > > > > > > > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENER > > > > IC.MP > > > > > > > > Architecture: OpenBSD.amd64 > > > > Machine : amd64 > > > > > Description: > > > > I can't get accelerated graphics with a Sapphire RX > > > > 6600. > > > > The amdgpu firmware is correctly installed after > > > > running > > > > fw_update > > > > > > > [drm] *ERROR* visible_vram_size 1ff000000 or aper_base_kaddr > > > > 0x0 is > > > > not initialized. > > > > [drm] *ERROR* Failed to process memory training! > > > > [drm] *ERROR* sw_init of IP block <psp> failed -22 > > > > drm:pid0:amdgpu_device_init *ERROR* amdgpu_device_ip_init > > > > failed > > > > drm:pid0:amdgpu_attachhook *ERROR* Fatal error during GPU init > > > > efifb0 at mainbus0: 1920x1080, 32bpp > > > > > > Does the bios have an option to disable resizable pci bar? > > > > > > Doing an install with csm enabled (vga instead of efifb) > > > may also change things. > > > > I have resizable pci bar enabled, I'll try to disable it. > > There are also variables to limit the size of the window and the > total, > which correspond to module parameters on linux. > > amdgpu_vis_vram_limit > > amdgpu_vram_limit > > documented in > sys/dev/pci/drm/amd/amdgpu/amdgpu_drv.c > > Perhaps this (untested) diff to limit to 512M would help. > > Index: sys/dev/pci/drm/amd/amdgpu/amdgpu_ttm.c > =================================================================== > RCS file: /cvs/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_ttm.c,v > retrieving revision 1.14 > diff -u -p -r1.14 amdgpu_ttm.c > --- sys/dev/pci/drm/amd/amdgpu/amdgpu_ttm.c 13 Aug 2023 10:36:26 > -0000 1.14 > +++ sys/dev/pci/drm/amd/amdgpu/amdgpu_ttm.c 21 Sep 2023 08:05:19 > -0000 > @@ -1792,6 +1792,7 @@ int amdgpu_ttm_init(struct amdgpu_device > } > > /* Reduce size of CPU-visible VRAM if requested */ > +amdgpu_vis_vram_limit = 512; > vis_vram_limit = (u64)amdgpu_vis_vram_limit * 1024 * 1024; > if (amdgpu_vis_vram_limit > 0 && > vis_vram_limit <= adev->gmc.visible_vram_size)
with this change, the card is recognized correctly without having to disable pci bar in the bios
