[patch] drm/amd/powerplay: precedence bug in init_non_clock_fields()
Dan Carpenter
dan.carpenter at oracle.com
Mon Jan 4 12:44:24 PST 2016
The cast to uint8_t happens before the right shift so this always sets
.m3arb to zero. The cast is actually a no-op so we can remove it.
Fixes: 3bace3591493 ('drm/amd/powerplay: add hardware manager sub-component')
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
---
Static analysis stuff. Not tested.
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
index 1d385f4..9031a44 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
@@ -735,8 +735,8 @@ static int init_non_clock_fields(struct pp_hwmgr *hwmgr,
ps->memory.dllOff = (0 != tmp);
- ps->memory.m3arb = (uint8_t)(le32_to_cpu(pnon_clock_info->ulCapsAndSettings) &
- ATOM_PPLIB_M3ARB_MASK) >> ATOM_PPLIB_M3ARB_SHIFT;
+ ps->memory.m3arb = (le32_to_cpu(pnon_clock_info->ulCapsAndSettings) &
+ ATOM_PPLIB_M3ARB_MASK) >> ATOM_PPLIB_M3ARB_SHIFT;
ps->temperatures.min = PP_TEMPERATURE_UNITS_PER_CENTIGRADES *
pnon_clock_info->ucMinTemperature;
More information about the dri-devel
mailing list