On Tue, Jan 23, 2024 at 10:55:26AM -0500, Josh Rickmar wrote:
> Latest -current is unhappy with my amd64 desktop. I'm assuming this
> is due to the recent drm sync to newer Linux. My GPU is a RX Vega 64.
An earlier snapshot worked?
>
> It seems to kernel panic but I can't confirm this, the screen is black
> and it doesn't bring up networking/respond to pings.
>
> I see the following errors in the dmesg buffer before the most recent
> boot:
>
> amdgpu0: VEGA10 GC 9.0.1 64 CU rev 0x01
> [drm] *ERROR* IB test failed on gfx_low (-60).
> [drm] *ERROR* IB test failed on gfx_high (-60).
> [drm] *ERROR* IB test failed on comp_1.0.0 (-60).
> [drm] *ERROR* IB test failed on comp_1.1.0 (-60).
> [drm] *ERROR* IB test failed on comp_1.2.0 (-60).
> [drm] *ERROR* IB test failed on comp_1.3.0 (-60).
> [drm] *ERROR* IB test failed on comp_1.0.1 (-60).
> [drm] *ERROR* IB test failed on comp_1.1.1 (-60).
> [drm] *ERROR* IB test failed on comp_1.2.1 (-60).
Does the following change this?
The framebuffer offset/size can cause tests to fail.
Index: sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c,v
diff -u -p -r1.11 amdgpu_gmc.c
--- sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c 16 Jan 2024 23:37:52 -0000
1.11
+++ sys/dev/pci/drm/amd/amdgpu/amdgpu_gmc.c 24 Jan 2024 10:07:49 -0000
@@ -738,15 +738,6 @@ 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);
}
