From 36527db318080d36138c802ca9e03a09e5a5fef2 Mon Sep 17 00:00:00 2001 From: Taimur Hassan Date: Thu, 18 Aug 2022 11:18:33 -0400 Subject: [PATCH] drm/amd/display: Allow PHY state update between same states [Why & How] In some cases, there are calls to transition from TX_ON to TX_ON, such as when using MST or during resolution change. This is expected, so allow HW programming to continue. Reviewed-by: Alvin Lee Acked-by: Brian Chang Signed-off-by: Taimur Hassan Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c index b7556111ee44..63648e2056a0 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c @@ -1224,9 +1224,6 @@ void dcn32_update_phy_state(struct dc_state *state, struct pipe_ctx *pipe_ctx, { enum phy_state current_state = pipe_ctx->stream->link->phy_state; - if (current_state == target_state) - return; - if (target_state == TX_OFF_SYMCLK_OFF) { core_link_disable_stream(pipe_ctx); pipe_ctx->stream->link->phy_state = TX_OFF_SYMCLK_OFF; -- 2.11.0