Re: [PATCH][drm-next] drm/amdgpu/powerplay: fix missing break in switch statements
From: Alex Deucher
Date: Wed Oct 10 2018 - 15:08:32 EST
On Tue, Oct 9, 2018 at 6:44 AM Huang Rui <ray.huang@xxxxxxx> wrote:
>
> On Mon, Oct 08, 2018 at 05:22:28PM +0100, Colin King wrote:
> > From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> >
> > 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.")
> > Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Acked-by: Huang Rui <ray.huang@xxxxxxx>
>
Applied. thanks!
Alex
> > ---
> > 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 18643e06bc6f..669bd0c2a16c 100644
> > --- a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
> > +++ b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
> > @@ -2269,11 +2269,13 @@ 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 ec14798e87b6..bddd6d09f887 100644
> > --- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
> > +++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
> > @@ -2331,6 +2331,7 @@ 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:
> > @@ -2340,6 +2341,7 @@ 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 73aa368a454e..2d4c7f167b88 100644
> > --- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
> > +++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
> > @@ -2237,11 +2237,13 @@ 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 ae8378ed32ee..a2ba5b012866 100644
> > --- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
> > +++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
> > @@ -2619,6 +2619,7 @@ 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:
> > @@ -2628,6 +2629,7 @@ 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 3d415fabbd93..9f71512b2510 100644
> > --- a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
> > +++ b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
> > @@ -2185,6 +2185,7 @@ 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:
> > @@ -2194,6 +2195,7 @@ 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
> >
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> > amd-gfx@xxxxxxxxxxxxxxxxxxxxx
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