[PATCH AUTOSEL 4.18 18/45] drm/amdgpu/powerplay: fix missing break in switch statements

From: Sasha Levin
Date: Sun Nov 04 2018 - 08:53:04 EST


From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

[ Upstream commit 14b284832e7dea6f54f0adfd7bed105548b94e57 ]

There are several switch statements that are missing break statements.
Add missing breaks to handle any fall-throughs corner cases.

Detected by CoverityScan, CID#1457175 ("Missing break in switch")

Fixes: 18aafc59b106 ("drm/amd/powerplay: implement fw related smu interface for iceland.")
Acked-by: Huang Rui <ray.huang@xxxxxxx>
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c | 2 ++
drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c | 2 ++
drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c | 2 ++
drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c | 2 ++
drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c | 2 ++
5 files changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
index 2d4ec8ac3a08..0b3ea7e9b805 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
@@ -2303,11 +2303,13 @@ static uint32_t ci_get_offsetof(uint32_t type, uint32_t member)
case DRAM_LOG_BUFF_SIZE:
return offsetof(SMU7_SoftRegisters, DRAM_LOG_BUFF_SIZE);
}
+ break;
case SMU_Discrete_DpmTable:
switch (member) {
case LowSclkInterruptThreshold:
return offsetof(SMU7_Discrete_DpmTable, LowSclkInterruptT);
}
+ break;
}
pr_debug("can't get the offset of type %x member %x\n", type, member);
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
index 53df9405f43a..bb616a530d3c 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
@@ -2372,6 +2372,7 @@ static uint32_t fiji_get_offsetof(uint32_t type, uint32_t member)
case DRAM_LOG_BUFF_SIZE:
return offsetof(SMU73_SoftRegisters, DRAM_LOG_BUFF_SIZE);
}
+ break;
case SMU_Discrete_DpmTable:
switch (member) {
case UvdBootLevel:
@@ -2383,6 +2384,7 @@ static uint32_t fiji_get_offsetof(uint32_t type, uint32_t member)
case LowSclkInterruptThreshold:
return offsetof(SMU73_Discrete_DpmTable, LowSclkInterruptThreshold);
}
+ break;
}
pr_warn("can't get the offset of type %x member %x\n", type, member);
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
index 415f691c3fa9..c15e15e657b8 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
@@ -2246,11 +2246,13 @@ static uint32_t iceland_get_offsetof(uint32_t type, uint32_t member)
case DRAM_LOG_BUFF_SIZE:
return offsetof(SMU71_SoftRegisters, DRAM_LOG_BUFF_SIZE);
}
+ break;
case SMU_Discrete_DpmTable:
switch (member) {
case LowSclkInterruptThreshold:
return offsetof(SMU71_Discrete_DpmTable, LowSclkInterruptThreshold);
}
+ break;
}
pr_warn("can't get the offset of type %x member %x\n", type, member);
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
index 782b19fc2e70..a5b7a4484700 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
@@ -2667,6 +2667,7 @@ static uint32_t tonga_get_offsetof(uint32_t type, uint32_t member)
case DRAM_LOG_BUFF_SIZE:
return offsetof(SMU72_SoftRegisters, DRAM_LOG_BUFF_SIZE);
}
+ break;
case SMU_Discrete_DpmTable:
switch (member) {
case UvdBootLevel:
@@ -2678,6 +2679,7 @@ static uint32_t tonga_get_offsetof(uint32_t type, uint32_t member)
case LowSclkInterruptThreshold:
return offsetof(SMU72_Discrete_DpmTable, LowSclkInterruptThreshold);
}
+ break;
}
pr_warn("can't get the offset of type %x member %x\n", type, member);
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
index 2de48959ac93..52834334bd53 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
@@ -2267,6 +2267,7 @@ static uint32_t vegam_get_offsetof(uint32_t type, uint32_t member)
case DRAM_LOG_BUFF_SIZE:
return offsetof(SMU75_SoftRegisters, DRAM_LOG_BUFF_SIZE);
}
+ break;
case SMU_Discrete_DpmTable:
switch (member) {
case UvdBootLevel:
@@ -2278,6 +2279,7 @@ static uint32_t vegam_get_offsetof(uint32_t type, uint32_t member)
case LowSclkInterruptThreshold:
return offsetof(SMU75_Discrete_DpmTable, LowSclkInterruptThreshold);
}
+ break;
}
pr_warn("can't get the offset of type %x member %x\n", type, member);
return 0;
--
2.17.1