[Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915: Y/Yf Tiling Workaround for BXT/SKL

[Patchwork]

== Summary ==

  CC [M]  drivers/gpu/drm/i915/dvo_ch7017.o
  CC [M]  drivers/gpu/drm/i915/dvo_ch7xxx.o
  CC [M]  drivers/gpu/drm/i915/dvo_ivch.o
  CC [M]  drivers/gpu/drm/i915/dvo_ns2501.o
  CC [M]  drivers/gpu/drm/i915/dvo_sil164.o
  CC [M]  drivers/gpu/drm/i915/dvo_tfp410.o
  CC [M]  drivers/gpu/drm/i915/intel_ddi.o
  CC [M]  drivers/gpu/drm/i915/intel_crt.o
  CC [M]  drivers/gpu/drm/i915/intel_dp_link_training.o
drivers/gpu/drm/i915/intel_display.c: In function 'skl_handle_ytile_wa':
drivers/gpu/drm/i915/intel_display.c:16352:50: error: 'CHICKEN_DCPR_1' undeclared (first use in this function)
    I915_WRITE(CHICKEN_DCPR_1, I915_READ(CHICKEN_DCPR_1)
                                                  ^
drivers/gpu/drm/i915/intel_display.c:16352:50: note: each undeclared identifier is reported only once for each function it appears in
drivers/gpu/drm/i915/intel_display.c:16352:139: error: 'IDLE_WAKEMEM_MASK' undeclared (first use in this function)
    I915_WRITE(CHICKEN_DCPR_1, I915_READ(CHICKEN_DCPR_1)
                                                                                                                                           ^
  CC [M]  drivers/gpu/drm/i915/intel_dp_mst.o
scripts/Makefile.build:258: recipe for target 'drivers/gpu/drm/i915/intel_display.o' failed
make[4]: *** [drivers/gpu/drm/i915/intel_display.o] Error 1
make[4]: *** Waiting for unfinished jobs....
  CC [M]  drivers/gpu/drm/i915/intel_dp.o
scripts/Makefile.build:403: recipe for target 'drivers/gpu/drm/i915' failed
make[3]: *** [drivers/gpu/drm/i915] Error 2
scripts/Makefile.build:403: recipe for target 'drivers/gpu/drm' failed
make[2]: *** [drivers/gpu/drm] Error 2
scripts/Makefile.build:403: recipe for target 'drivers/gpu' failed
make[1]: *** [drivers/gpu] Error 2
Makefile:943: recipe for target 'drivers' failed
make: *** [drivers] Error 2