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drm/amd/display: Disable DRR actions during state commit

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[ Upstream commit de020e5fa9 ]

[WHY]
Committing a state while performing DRR actions can cause underflow.

[HOW]
Disabled features performing DRR actions during state commit.
Need to follow-up on why DRR actions affect state commit.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wesley Chalmers
2022-10-21 19:06:10 -04:00
committed by Greg Kroah-Hartman
parent d5368e054e
commit cf0dcf0e87
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
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@@ -992,8 +992,5 @@ void dcn30_prepare_bandwidth(struct dc *dc,
dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz);
dcn20_prepare_bandwidth(dc, context);
dc_dmub_srv_p_state_delegate(dc,
context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching, context);
}