drm/i915/display: Helpers for VRR vblank min and max start

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With VRR the earliest the registers can get latched are at
flipline decision boundary, calculate that as vrr_vmin_vblank_start()
and the latest the regsiters can get latched are vmax decision boundary
calculate that as vrr_vmax_vblank_start()

v2:
* Remove TODO and adjust extra scanline const (Manasi)

Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210122232647.22688-15-manasi.d.navare@intel.com

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Ville Syrjälä 2021-01-22 15:26:44 -08:00 • committed by Manasi Navare

parent c7f0f4372b

commit 4ef619a7df

2 changed files with 38 additions and 0 deletions

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36

drivers/gpu/drm/i915/display/intel_vrr.c

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2

drivers/gpu/drm/i915/display/intel_vrr.h

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