diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/fixed31_32.h | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c index 011a97f82fb6..8a9bba879207 100644 --- a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c +++ b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c @@ -593,3 +593,12 @@ uint32_t dal_fixed31_32_clamp_u0d10( { return clamp_ux_dy(arg.value, 0, 10, 1); } + +int32_t dal_fixed31_32_s4d19( + struct fixed31_32 arg) +{ + if (arg.value < 0) + return -(int32_t)ux_dy(dal_fixed31_32_abs(arg).value, 4, 19); + else + return ux_dy(arg.value, 4, 19); +} diff --git a/drivers/gpu/drm/amd/display/include/fixed31_32.h b/drivers/gpu/drm/amd/display/include/fixed31_32.h index 4badaedbaadd..0de258622c12 100644 --- a/drivers/gpu/drm/amd/display/include/fixed31_32.h +++ b/drivers/gpu/drm/amd/display/include/fixed31_32.h @@ -470,4 +470,7 @@ uint32_t dal_fixed31_32_clamp_u0d14( uint32_t dal_fixed31_32_clamp_u0d10( struct fixed31_32 arg); +int32_t dal_fixed31_32_s4d19( + struct fixed31_32 arg); + #endif |