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Date:   Fri, 20 Nov 2020 12:24:41 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Alex Deucher <alexander.deucher@....com>,
        Christian K├Ânig <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 004/141] drm/amdgpu: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements instead of just
letting the code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 1 +
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/vi.c        | 1 +
 4 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 3579565e0eab..98ca6b976b6e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -8398,6 +8398,7 @@ static int gfx_v10_0_set_priv_inst_fault_state(struct amdgpu_device *adev,
 		WREG32_FIELD15(GC, 0, CP_INT_CNTL_RING0,
 			       PRIV_INSTR_INT_ENABLE,
 			       state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 0d8e203b10ef..e61121629b93 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -5683,6 +5683,7 @@ static int gfx_v9_0_set_priv_inst_fault_state(struct amdgpu_device *adev,
 		WREG32_FIELD15(GC, 0, CP_INT_CNTL_RING0,
 			       PRIV_INSTR_INT_ENABLE,
 			       state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 3ebbddb63705..584b99b80c29 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -502,6 +502,7 @@ static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
 				WREG32(reg, tmp);
 			}
 		}
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 9bcd0eebc6d7..d56b474b3a21 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1645,6 +1645,7 @@ static int vi_common_set_clockgating_state(void *handle,
 	case CHIP_POLARIS12:
 	case CHIP_VEGAM:
 		vi_common_set_clockgating_state_by_smu(adev, state);
+		break;
 	default:
 		break;
 	}
-- 
2.27.0

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