drm/i915/dsb: Introduce intel_dsb_wait_vblanks()

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Add a function to emit a DSB wait for vblank instruction. This
just waits until the specified number of vblanks.

Note that this triggers on the transcoder's undelayed vblank,
as opposed to the pipe's delayed vblank.

Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930170415.23841-8-ville.syrjala@linux.intel.com

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Ville Syrjälä 2024-09-30 20:04:09 +03:00

parent de968532fd

commit d6dfbc6f81

2 changed files with 7 additions and 0 deletions

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6

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

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1

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

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