drm/i915: Convert PALETTE() to _PICK_EVEN_2RANGES()

PALETTE() can use _PICK_EVEN_2RANGES instead of _PICK, which
reduces the size and is safer.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Anusha Srivatsa<anusha.srivatsa@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230120193457.3295977-9-lucas.demarchi@intel.com

drivers/gpu/drm/i915/i915_reg.h

@@ -1734,10 +1734,11 @@
 #define   PALETTE_10BIT_BLUE_EXP_MASK	REG_GENMASK(7, 6)
 #define   PALETTE_10BIT_BLUE_MANT_MASK	REG_GENMASK(5, 2)
 #define   PALETTE_10BIT_BLUE_UDW_MASK	REG_GENMASK(1, 0)
-#define PALETTE(pipe, i)	_MMIO(DISPLAY_MMIO_BASE(dev_priv) + \
-				      _PICK((pipe), _PALETTE_A,		\
-					    _PALETTE_B, _CHV_PALETTE_C) + \
-				      (i) * 4)
+#define PALETTE(pipe, i) _MMIO(DISPLAY_MMIO_BASE(dev_priv) +			\
+			       _PICK_EVEN_2RANGES(pipe, 2,			\
+						  _PALETTE_A, _PALETTE_B,	\
+						  _CHV_PALETTE_C, _CHV_PALETTE_C) + \
+						  (i) * 4)
 
 #define PEG_BAND_GAP_DATA	_MMIO(0x14d68)