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drm/amd/display: Remove unused hubbub1_toggle_watermark_change_req

hubbub1_toggle_watermark_change_req() last use was removed in 2017 by
commit b8fce2c9d773 ("drm/amd/display: Optimize programming front end")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

authored by

Dr. David Alan Gilbert and committed by
Alex Deucher 9ab737f3 6d04e978

-21
-18
drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.c
··· 679 679 dh_data->dchub_info_valid = false; 680 680 } 681 681 682 - void hubbub1_toggle_watermark_change_req(struct hubbub *hubbub) 683 - { 684 - struct dcn10_hubbub *hubbub1 = TO_DCN10_HUBBUB(hubbub); 685 - 686 - uint32_t watermark_change_req; 687 - 688 - REG_GET(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, 689 - DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, &watermark_change_req); 690 - 691 - if (watermark_change_req) 692 - watermark_change_req = 0; 693 - else 694 - watermark_change_req = 1; 695 - 696 - REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, 697 - DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, watermark_change_req); 698 - } 699 - 700 682 void hubbub1_soft_reset(struct hubbub *hubbub, bool reset) 701 683 { 702 684 struct dcn10_hubbub *hubbub1 = TO_DCN10_HUBBUB(hubbub);
-3
drivers/gpu/drm/amd/display/dc/hubbub/dcn10/dcn10_hubbub.h
··· 489 489 490 490 bool hubbub1_is_allow_self_refresh_enabled(struct hubbub *hubub); 491 491 492 - void hubbub1_toggle_watermark_change_req( 493 - struct hubbub *hubbub); 494 - 495 492 void hubbub1_wm_read_state(struct hubbub *hubbub, 496 493 struct dcn_hubbub_wm *wm); 497 494