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[Why] The new table doesn't have an implicit mapping between Fclk SOC voltage and MemClk and it currently builds the table off of number of Fclk states rather than DcfClock states. The DML table in use is not correct for functionality or power and does not align with our existing policies for DCN3x. [How] Build the table based on DcfClock with the following assumptions: 1. Raising Soc voltage is the most expensive operation, so assume that running at max DispClock or DppClock is preferable. 2. Assume that we can run at max Fclk / MemClk at any state, but restrict the maximum state to the very last entry in the table as the worst case scenario. 3. Assume that Fclk always has a 2x multiplier on DcfClock unless the table specifies something lower. Reviewed-by: Taimur Hassan <syed.hassan@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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