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Subject[PATCH 005/141] drm/radeon: Fix fall-through warnings for Clang
In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple fallthrough pseudo-keyword macros,
as replacement for /* fall through */ comments.

Notice that Clang doesn't recognize /* fall through */ comments as
implicit fall-through markings.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
drivers/gpu/drm/radeon/ci_dpm.c | 2 +-
drivers/gpu/drm/radeon/r300.c | 1 +
drivers/gpu/drm/radeon/si_dpm.c | 2 +-
3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 886e9959496f..3d0a2e81b2de 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -4860,8 +4860,8 @@ static void ci_request_link_speed_change_before_state_change(struct radeon_devic
case RADEON_PCIE_GEN2:
if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
break;
+ fallthrough;
#endif
- /* fall through */
default:
pi->force_pcie_gen = ci_get_current_pcie_speed(rdev);
break;
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 73f67bf222e1..213dc49b6322 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1162,6 +1162,7 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
/* valid register only on RV530 */
if (p->rdev->family == CHIP_RV530)
break;
+ fallthrough;
/* fallthrough do not move */
default:
goto fail;
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index d1c73e9db889..d19c08e0ad5a 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -5748,8 +5748,8 @@ static void si_request_link_speed_change_before_state_change(struct radeon_devic
case RADEON_PCIE_GEN2:
if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
break;
+ fallthrough;
#endif
- /* fall through */
default:
si_pi->force_pcie_gen = si_get_current_pcie_speed(rdev);
break;
--
2.27.0
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