drm/amd/display: Disable DRR actions during state commit
authorWesley Chalmers <Wesley.Chalmers@amd.com>
Fri, 21 Oct 2022 23:06:10 +0000 (19:06 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 9 Nov 2022 22:25:52 +0000 (17:25 -0500)
[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>
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c

index 8c50457..c20e9f7 100644 (file)
@@ -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);
 }