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drm/amd/display: fix compile warning in dml

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[Why]
gcc version 5.4.0 fails compilation with:
‘PixelPTEReqHeightPTEs’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]

[How]
Initialized variable explicitly with 0

Signed-off-by: Roman Li <roman.li@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roman Li 2020-08-31 21:30:26 -04:00 committed by Alex Deucher
parent ece11e7b4a
commit de32a50be7
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
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@ -1294,7 +1294,7 @@ static unsigned int CalculateVMAndRowBytes(
unsigned int MacroTileHeight;
unsigned int ExtraDPDEBytesFrame;
unsigned int PDEAndMetaPTEBytesFrame;
unsigned int PixelPTEReqHeightPTEs;
unsigned int PixelPTEReqHeightPTEs = 0;
if (DCCEnable == true) {
*MetaRequestHeight = 8 * BlockHeight256Bytes;