[XL] Change in libgfxinit[cros]: gma: Support ADL-P CDClk clock crawl

[Angel Pons (Code Review)]

Attention is currently required from: Angel Pons, Dinesh Gehlot.

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/libgfxinit/+/82146?usp=email )

Change subject: gma: Support ADL-P CDClk clock crawl
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Patch Set 4:

(1 comment)

File common/tigerlake/hw-gfx-gma-power_and_clocks.adb:

https://review.coreboot.org/c/libgfxinit/+/82146/comment/6eacb1ac_cb79e75c :
PS2, Line 564:       if Config.Has_CDClk_PLL_Crawl then
             :          Registers.Unset_And_Set_Mask
             :            (Register   => Registers.MBUS_CTL,
             :             Mask_Unset => MBUS_HASHING_MODE_MASK or
             :                           MBUS_JOIN or
             :                           MBUS_JOIN_PIPE_SELECT_MASK,
             :             Mask_Set   => MBUS_HASHING_MODE_1x4 or
             :                           MBUS_JOIN or
             :                           MBUS_JOIN_PIPE_SELECT_NONE);
             : 
             :          Registers.Unset_And_Set_Mask
             :            (Register   => Registers.DBUF_CTL_S0,
             :             Mask_Unset => DBUF_CTL_MIN_TRACKER_STATE_SERVICE_MASK,
             :             Mask_Set   =>
             :                Shift_Left (3, DBUF_CTL_MIN_TRACKER_STATE_SERVICE_SHIFT));
             :       else
             :          Registers.Unset_And_Set_Mask
             :            (Register   => Registers.DBUF_CTL_S0,
             :             Mask_Unset => DBUF_CTL_TRACKER_STATE_SERVICE_MASK,
             :             Mask_Set   => Shift_Left (8, DBUF_CTL_TRACKER_STATE_SERVICE_SHIFT));
             :       end if;
> The Mask and shift values are also different. if we want to move "update `Registers. […]

Ack