| commit | 5ab7943187f22b572fd12d517bd699771b88ce91 | [log] [tgz] |
|---|---|---|
| author | Krunoslav Kovac <Krunoslav.Kovac@amd.com> | Thu Aug 06 17:54:47 2020 -0400 |
| committer | Alex Deucher <alexander.deucher@amd.com> | Mon Aug 17 14:08:59 2020 -0400 |
| tree | 5b5feac009fb01c20a5baf08ef59f994ce5a5176 | |
| parent | 8cfc40cd97475fcddb2ca4671eaea2eb26b31e0a [diff] |
drm/amd/display: fix pow() crashing when given base 0 [Why&How] pow(a,x) is implemented as exp(x*log(a)). log(0) will crash. So return 0^x = 0, unless x=0, convention seems to be 0^0 = 1. Cc: stable@vger.kernel.org Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com> Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>