drm/i915/display: Add DC Balance flip count operations

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Track dc balance flip count with params per crtc. Increment
DC Balance Flip count before every flip to indicate DMC
firmware about new flip occurrence which needs to be adjusted
for dc balancing. This is tracked separately from legacy
FLIP_COUNT register also Reset DC balance flip count value
while disabling VRR adaptive mode, this is to start with
fresh counts when VRR adaptive refresh mode is triggered again.

--v2:
- Call during intel_update_crtc.(Ankit)

Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20251223104542.2688548-11-mitulkumar.ajitkumar.golani@intel.com

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Mitul Golani 2025-12-23 16:15:32 +05:30 • committed by Ankit Nautiyal

parent 80d1498359

commit d780bbebaa

4 changed files with 24 additions and 0 deletions

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3

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

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

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15

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

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

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