drm/amd/display: Prevent integer overflow when mhz to khz

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[WHAT]
Cast to long long before multiplication to prevent overflow
when converting mhz to khz by multiplying by 1000.

This is reported as INTEGER_OVERFLOW errors by Coverity.

Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Alex Hung 2026-02-18 10:38:33 -07:00 • committed by Alex Deucher

parent d9bc24d263

commit 11de9539fe

2 changed files with 13 additions and 13 deletions

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14

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c

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12

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn42/dcn42_smu.c

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