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drm/amdgpu/gfx12.1: drop all BUG()s

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There's no need to crash the kernel for these cases.

Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2026-06-15 19:50:01 -04:00
parent 836950e322
commit 3c2357bf9e
1 changed files with 10 additions and 6 deletions
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16
drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
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@ -891,8 +891,9 @@ static int gfx_v12_1_gpu_early_init(struct amdgpu_device *adev)
adev->gfx.config.sc_earlyz_tile_fifo_size = 0x4C0;
break;
default:
BUG();
break;
dev_warn(adev->dev, "Unsupported GC version 0x%08x\n",
amdgpu_ip_version(adev, GC_HWIP, 0));
return -EINVAL;
}
return 0;
@ -3673,13 +3674,16 @@ static u64 gfx_v12_1_ring_get_rptr_compute(struct amdgpu_ring *ring)
static u64 gfx_v12_1_ring_get_wptr_compute(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
u64 wptr;
/* XXX check if swapping is necessary on BE */
if (ring->use_doorbell)
if (ring->use_doorbell) {
wptr = atomic64_read((atomic64_t *)ring->wptr_cpu_addr);
else
BUG();
} else {
dev_warn_once(adev->dev, "%s requires doorbell!\n", __func__);
wptr = 0;
}
return wptr;
}
@ -3693,7 +3697,7 @@ static void gfx_v12_1_ring_set_wptr_compute(struct amdgpu_ring *ring)
ring->wptr);
WDOORBELL64(ring->doorbell_index, ring->wptr);
} else {
BUG(); /* only DOORBELL method supported on gfx12 now */
dev_warn_once(adev->dev, "%s requires doorbell!\n", __func__);
}
}