On Thu, Sep 21, 2023 at 11:40:24AM -0400, Solène Rapenne wrote:
> On Thu, 2023-09-21 at 17:50 +1000, Jonathan Gray wrote:
> > 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/GENERIC.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.
>
> disabline the bar thing in the bios allowed me to have the GPU recognized,
> but for some reason GDM started but didn't display anything. Enabling auto
> login into gnome to circumvent the issue with GDM, I ended in a frozen gnome
> with only gnome-shell loaded.
>
> with xenodm and cwm it worked
>
> until I've lost the screen, ssh was still working and I got access to dmesg
> which has some stuff related to GPU
does this diff change what happens?
Index: sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c,v
retrieving revision 1.10
diff -u -p -r1.10 amdgpu_gmc.c
--- sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c 19 Jun 2023 00:38:02 -0000
1.10
+++ sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c 22 Sep 2023 03:37:10 -0000
@@ -670,15 +670,6 @@ void amdgpu_gmc_get_vbios_allocations(st
} else {
size = amdgpu_gmc_get_vbios_fb_size(adev);
-#ifdef __amd64__
- /*
- * XXX Workaround for machines where the framebuffer
- * size reported by the hardware is incorrect.
- */
- extern psize_t efifb_stolen();
- size = max(size, efifb_stolen());
-#endif
-
if (adev->mman.keep_stolen_vga_memory)
size = max(size, (unsigned)AMDGPU_VBIOS_VGA_ALLOCATION);
}
