[Intel-gfx] [PATCH 3/3] drm/i915: Add support for steered register writes

Lucas De Marchi lucas.demarchi at intel.com
Wed Mar 16 00:09:14 UTC 2022


On Mon, Mar 14, 2022 at 04:42:03PM -0700, Matt Roper wrote:
>Upcoming patches will need to steer writes to multicast registers as
>well as reading them.
>
>Although the setting of the 'multicast' bit should only really matter
>for write operations (reads always operate in a unicast manner and give
>us the result from one specific instance), Wa_22013088509 suggests that
>we leave the multicast bit enabled when performing read operations, so
>we follow suit here.
>
>Cc: Harish Chegondi <harish.chegondi at intel.com>
>Signed-off-by: Matt Roper <matthew.d.roper at intel.com>


Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>

Lucas De Marchi


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