drm/i915/adl_p: Implement Wa_22012358565

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Implement Wa_22012358565 to avoid underrun with 32bpp cursor
in some high bandwidth scenarios. The implementation calls for
overriding the arbitration slots for the planes.

v2: Fix adlp_plane_ctl_arb_slots() return type

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210526173600.27708-2-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>

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Ville Syrjälä 2021-05-26 20:36:00 +03:00

parent d091fc53eb

commit 0b86952d15

4 changed files with 44 additions and 0 deletions

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4

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

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5

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

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27

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

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8

drivers/gpu/drm/i915/i915_reg.h

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