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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-02-08 00:31:54 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-02-12 19:21:31 +0200 |
| commit | 51385d68990cca5263ab9575edd5386f6e42a994 (patch) | |
| tree | 03ab9040b7d4fb5a58c153a47dbcbf19ca65f2f8 /tools/perf/scripts/python | |
| parent | drm/i915/vrr: Don't send push for legacy cursor updates (diff) | |
| download | linux-51385d68990cca5263ab9575edd5386f6e42a994.tar.gz linux-51385d68990cca5263ab9575edd5386f6e42a994.zip | |
drm/i915/vrr: Account for TRANS_PUSH delay
When we send a push during vblank the TRANS_PUSH write happens
at some point during a scanline, and the hardware picks it up
on the next scanline. Thus there is up to one extra scanline
of delay between the TRANS_PUSH write and the delayed vblank
triggering. Account for that during intel_dsb_wait_vblank_delay()
so that we are guaranteed to be past the delayed vblank before
we trigger the completion interrupt for the commit.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250207223159.14132-4-ville.syrjala@linux.intel.com
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions