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drm/amdgpu/gfx6: 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 19:36:45 -04:00
parent 8565fdaad0
commit ea1b84c68a
1 changed files with 5 additions and 7 deletions
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12
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
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@@ -347,7 +347,8 @@ static int gfx_v6_0_init_microcode(struct amdgpu_device *adev)
case CHIP_HAINAN:
chip_name = "hainan";
break;
default: BUG();
default:
return -EINVAL;
}
err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw,
@@ -1736,8 +1737,8 @@ static void gfx_v6_0_constants_init(struct amdgpu_device *adev)
gb_addr_config = HAINAN_GB_ADDR_CONFIG_GOLDEN;
break;
default:
BUG();
break;
dev_warn(adev->dev, "Unsupported asic_type 0x%08x\n", adev->asic_type);
return;
}
WREG32(mmGRBM_CNTL, (0xff << GRBM_CNTL__READ_TIMEOUT__SHIFT));
@@ -2202,7 +2203,7 @@ static u64 gfx_v6_0_ring_get_wptr(struct amdgpu_ring *ring)
else if (ring == &adev->gfx.compute_ring[1])
return RREG32(mmCP_RB2_WPTR);
else
BUG();
return 0;
}
static void gfx_v6_0_ring_set_wptr_gfx(struct amdgpu_ring *ring)
@@ -2223,8 +2224,6 @@ static void gfx_v6_0_ring_set_wptr_compute(struct amdgpu_ring *ring)
} else if (ring == &adev->gfx.compute_ring[1]) {
WREG32(mmCP_RB2_WPTR, lower_32_bits(ring->wptr));
(void)RREG32(mmCP_RB2_WPTR);
} else {
BUG();
}
}
@@ -3310,7 +3309,6 @@ static void gfx_v6_0_set_compute_eop_interrupt_state(struct amdgpu_device *adev,
}
default:
BUG();
break;
}