diff options
author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-08-27 17:06:28 -0400 |
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committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-08-27 17:06:28 -0400 |
commit | 04cf420bbc32a599aa2481725f708435ea19bf3d (patch) | |
tree | 232b7a3c36adc63c92ca60ec39ed5f031c2e5c53 /drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c | |
parent | 67733d7a71503fd3e32eeada371f8aa2516c5c95 (diff) | |
parent | e55ef65510a401862b902dc979441ea10ae25c61 (diff) |
Merge drm/drm-next into drm-intel-next
Need to take some Xe bo definition in here before
we can add the BMG display 64k aligned size restrictions.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c | 27 |
1 files changed, 27 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 506f82cd5cc6..88d3f9d7dd55 100644 --- a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c +++ b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c @@ -486,3 +486,30 @@ int dc_fixpt_s4d19(struct fixed31_32 arg) else return ux_dy(arg.value, 4, 19); } + +struct fixed31_32 dc_fixpt_from_ux_dy(unsigned int value, + unsigned int integer_bits, + unsigned int fractional_bits) +{ + struct fixed31_32 fixpt_value = dc_fixpt_zero; + struct fixed31_32 fixpt_int_value = dc_fixpt_zero; + long long frac_mask = ((long long)1 << (long long)integer_bits) - 1; + + fixpt_value.value = (long long)value << (FIXED31_32_BITS_PER_FRACTIONAL_PART - fractional_bits); + frac_mask = frac_mask << fractional_bits; + fixpt_int_value.value = value & frac_mask; + fixpt_int_value.value <<= (FIXED31_32_BITS_PER_FRACTIONAL_PART - fractional_bits); + fixpt_value.value |= fixpt_int_value.value; + return fixpt_value; +} + +struct fixed31_32 dc_fixpt_from_int_dy(unsigned int int_value, + unsigned int frac_value, + unsigned int integer_bits, + unsigned int fractional_bits) +{ + struct fixed31_32 fixpt_value = dc_fixpt_from_int(int_value); + + fixpt_value.value |= (long long)frac_value << (FIXED31_32_BITS_PER_FRACTIONAL_PART - fractional_bits); + return fixpt_value; +} |