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drm/amd/display: Revert "DCN2.x Do not program DPPCLK if same value"

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[WHY]
Not programming dto with same values causes test failures in DCN2 diags
DPP tests.

[HOW]
This reverts commit 1b53e73323.

Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sung Lee
2020-02-12 10:29:48 -05:00
committed by Alex Deucher
parent 4ff7d8ba4c
commit 9819099739
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c
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@@ -117,7 +117,7 @@ void dcn20_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr,
prev_dppclk_khz = clk_mgr->base.ctx->dc->current_state->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz;
if ((prev_dppclk_khz > dppclk_khz && safe_to_lower) || prev_dppclk_khz < dppclk_khz) {
if (safe_to_lower || prev_dppclk_khz < dppclk_khz) {
clk_mgr->dccg->funcs->update_dpp_dto(
clk_mgr->dccg, dpp_inst, dppclk_khz);
}