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drm/radeon: Fix fall-through warnings for Clang

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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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Gustavo A. R. Silva 2020-11-20 12:24:49 -06:00 committed by Alex Deucher
parent 9304ca4de0
commit d6e1d90500
3 changed files with 3 additions and 2 deletions
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2
drivers/gpu/drm/radeon/ci_dpm.c
View File

@ -4839,8 +4839,8 @@ 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;

1
drivers/gpu/drm/radeon/r300.c
View File

@ -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;

2
drivers/gpu/drm/radeon/si_dpm.c
View File

@ -5745,8 +5745,8 @@ 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;