summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display/dc/dml/dcn32
diff options
context:
space:
mode:
authorAric Cyr <aric.cyr@amd.com>2024-03-12 14:40:06 -0400
committerAlex Deucher <alexander.deucher@amd.com>2024-04-09 22:05:04 -0400
commitaece2094e34e602f37403dda028f464bb41da50c (patch)
tree32530a1beef373b9cf2dca1af915beaff3f30075 /drivers/gpu/drm/amd/display/dc/dml/dcn32
parentcc5209647f213ffabca1528da2f88a589059ac0e (diff)
downloadlwn-aece2094e34e602f37403dda028f464bb41da50c.tar.gz
lwn-aece2094e34e602f37403dda028f464bb41da50c.zip
drm/amd/display: Fix compiler warnings on high compiler warning levels
[why] Enabling higher compiler warning levels results in many issues that can be trivially resolved as well as some potentially critical issues. [how] Fix all compiler warnings found with various compilers and higher warning levels. Primarily, potentially uninitialized variables and unreachable code. Reviewed-by: Leo Li <sunpeng.li@amd.com> Acked-by: Roman Li <roman.li@amd.com> Signed-off-by: Aric Cyr <aric.cyr@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn32')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
index 80fccd4999a5..76399c66bc3b 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
@@ -1650,6 +1650,8 @@ double dml32_TruncToValidBPP(
MaxLinkBPP = 2 * MaxLinkBPP;
}
+ *RequiredSlots = dml_ceil(DesiredBPP / MaxLinkBPP * 64, 1);
+
if (DesiredBPP == 0) {
if (DSCEnable) {
if (MaxLinkBPP < MinDSCBPP)
@@ -1676,10 +1678,6 @@ double dml32_TruncToValidBPP(
else
return DesiredBPP;
}
-
- *RequiredSlots = dml_ceil(DesiredBPP / MaxLinkBPP * 64, 1);
-
- return BPP_INVALID;
} // TruncToValidBPP
double dml32_RequiredDTBCLK(
@@ -4291,7 +4289,7 @@ void dml32_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport(
unsigned int i, j, k;
unsigned int SurfaceWithMinActiveFCLKChangeMargin = 0;
unsigned int DRAMClockChangeSupportNumber = 0;
- unsigned int LastSurfaceWithoutMargin;
+ unsigned int LastSurfaceWithoutMargin = 0;
unsigned int DRAMClockChangeMethod = 0;
bool FoundFirstSurfaceWithMinActiveFCLKChangeMargin = false;
double MinActiveFCLKChangeMargin = 0.;
@@ -5656,9 +5654,9 @@ void dml32_CalculateStutterEfficiency(
double LastZ8StutterPeriod = 0.0;
double LastStutterPeriod = 0.0;
unsigned int TotalNumberOfActiveOTG = 0;
- double doublePixelClock;
- unsigned int doubleHTotal;
- unsigned int doubleVTotal;
+ double doublePixelClock = 0;
+ unsigned int doubleHTotal = 0;
+ unsigned int doubleVTotal = 0;
bool SameTiming = true;
double DETBufferingTimeY;
double SwathWidthYCriticalSurface = 0.0;