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| author | Alexei Starovoitov <ast@kernel.org> | 2025-07-18 12:14:51 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2025-07-18 12:15:59 -0700 |
| commit | beb1097ec8bdf15e2fed3301920a719e0dd2250a (patch) | |
| tree | 026a9569edbac6e1387a0cd9d7574e8b74795c05 /drivers/gpu/drm/amd/display/modules/freesync/freesync.c | |
| parent | libbpf: Fix warning in calloc() usage (diff) | |
| parent | Merge tag 'pmdomain-v6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| download | linux-beb1097ec8bdf15e2fed3301920a719e0dd2250a.tar.gz linux-beb1097ec8bdf15e2fed3301920a719e0dd2250a.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after rc6
Cross-merge BPF and other fixes after downstream PR.
No conflicts.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/freesync/freesync.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index 3ba9b62ba70b..250f09922d2f 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -155,6 +155,14 @@ unsigned int mod_freesync_calc_v_total_from_refresh( v_total = div64_u64(div64_u64(((unsigned long long)( frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), stream->timing.h_total), 1000000); + } else if (refresh_in_uhz >= stream->timing.max_refresh_in_uhz) { + /* When the target refresh rate is the maximum panel refresh rate + * round up the vtotal value to prevent off-by-one error causing + * v_total_min to be below the panel's lower bound + */ + v_total = div64_u64(div64_u64(((unsigned long long)( + frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), + stream->timing.h_total) + (1000000 - 1), 1000000); } else { v_total = div64_u64(div64_u64(((unsigned long long)( frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), |