On Wed, Oct 11, 2017 at 10:55 AM, Harry Wentland <harry.wentland at amd.com> wrote:
> This is confusing as-is and really needs a comment.
>
> Signed-off-by: Harry Wentland <harry.wentland at amd.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_math.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_math.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_math.c
> index b6abe0f3bb15..f95dc4ff9a23 100644
> --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_math.c
> +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_math.c
> @@ -27,6 +27,7 @@
>
> float dcn_bw_mod(const float arg1, const float arg2)
> {
> + /* NaN checks */
> if (arg1 != arg1)
> return arg2;
> if (arg2 != arg2)
> @@ -36,6 +37,7 @@ float dcn_bw_mod(const float arg1, const float arg2)
>
> float dcn_bw_min2(const float arg1, const float arg2)
> {
> + /* NaN checks */
> if (arg1 != arg1)
> return arg2;
> if (arg2 != arg2)
> @@ -45,6 +47,7 @@ float dcn_bw_min2(const float arg1, const float arg2)
>
> unsigned int dcn_bw_max(const unsigned int arg1, const unsigned int arg2)
> {
> + /* NaN checks */
> if (arg1 != arg1)
> return arg2;
> if (arg2 != arg2)
> @@ -53,6 +56,7 @@ unsigned int dcn_bw_max(const unsigned int arg1, const unsigned int arg2)
> }
> float dcn_bw_max2(const float arg1, const float arg2)
> {
> + /* NaN checks */
> if (arg1 != arg1)
> return arg2;
> if (arg2 != arg2)
> --
> 2.14.1
>
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