From: Dmytro Laktyushkin Date: Fri, 1 May 2020 19:43:09 +0000 (-0400) Subject: drm/amd/display: fix dml log2 function X-Git-Tag: microblaze-v5.10~52^2~25^2~475 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=1649bbe01ba950c83ac6f8d83db7dd69ffc7e056;p=linux-2.6-microblaze.git drm/amd/display: fix dml log2 function This change removes internal rounding in dml_log2 function. Dml_log2 is expected to return a float output. In case an int is needed dml will floor the output on it's own. Signed-off-by: Dmytro Laktyushkin Reviewed-by: Eric Bernstein Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h b/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h index 02e06c9b3230..ab0870e2a103 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h +++ b/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h @@ -86,9 +86,9 @@ static inline double dml_round(double a) return floor; } -static inline int dml_log2(double x) +static inline double dml_log2(double x) { - return dml_round((double)dcn_bw_log(x, 2)); + return (double) dcn_bw_log(x, 2); } static inline double dml_pow(double a, int exp)