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drm/amd/display: Allow PHY state update between same states

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[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 <Alvin.Lee2@amd.com>
Acked-by: Brian Chang <Brian.Chang@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Taimur Hassan 2022-08-18 11:18:33 -04:00 committed by Alex Deucher
parent 6ccdf06720
commit 36527db318
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
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@ -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;