diff options
| author | Rodrigo Siqueira <[email protected]> | 2024-02-14 20:32:32 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-03-20 17:37:38 +0000 |
| commit | f1b8479dc997a0e625f3d94920cd778f55e299b5 (patch) | |
| tree | a94314b9fee4d10b18f1ba4093e9e38bba6f098f /drivers/gpu/drm/amd/display/modules/freesync/freesync.c | |
| parent | drm/amd/display: Update DMUB flags and definitions (diff) | |
| download | kernel-f1b8479dc997a0e625f3d94920cd778f55e299b5.tar.gz kernel-f1b8479dc997a0e625f3d94920cd778f55e299b5.zip | |
drm/amd/display: Add comments to v_total calculation and drop legacy TODO
[WHY & HOW]
This commit just adds some simple comments to help understand the
calculation of V total duration for Freesync. Also, remove a legacy TODO
comment from link service type.
Acked-by: Alex Hung <[email protected]>
Signed-off-by: Rodrigo Siqueira <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/freesync/freesync.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index fbaa6effd0e3..b19ef58d1555 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -158,13 +158,13 @@ static unsigned int calc_v_total_from_duration( if (duration_in_us > vrr->max_duration_in_us) duration_in_us = vrr->max_duration_in_us; - if (dc_is_hdmi_signal(stream->signal)) { + if (dc_is_hdmi_signal(stream->signal)) { // change for HDMI to comply with spec uint32_t h_total_up_scaled; h_total_up_scaled = stream->timing.h_total * 10000; v_total = div_u64((unsigned long long)duration_in_us * stream->timing.pix_clk_100hz + (h_total_up_scaled - 1), - h_total_up_scaled); + h_total_up_scaled); //ceiling for MMax and MMin for MVRR } else { v_total = div64_u64(div64_u64(((unsigned long long)( duration_in_us) * (stream->timing.pix_clk_100hz / 10)), |