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Revert "drm/amd/display: Block optimize on consecutive FAMS enables"

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This reverts commit ce560ac40272a5c8b5b68a9d63a75edd9e66aed2.

It depends on its parent commit, which we want to revert.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
[Hamza: fix a whitespace issue in dcn30_prepare_bandwidth()]
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2023-05-22 15:08:22 +02:00 committed by Alex Deucher
parent 55e02c14f9
commit c14fb01c46
2 changed files with 3 additions and 22 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
View File

@ -2117,9 +2117,6 @@ void dcn20_optimize_bandwidth(
dc_dmub_srv_p_state_delegate(dc,
true, context);
context->bw_ctx.bw.dcn.clk.p_state_change_support = true;
dc->clk_mgr->clks.fw_based_mclk_switching = true;
} else {
dc->clk_mgr->clks.fw_based_mclk_switching = false;
}
dc->clk_mgr->funcs->update_clocks(

22
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
View File

@ -983,13 +983,9 @@ void dcn30_set_disp_pattern_generator(const struct dc *dc,
}
void dcn30_prepare_bandwidth(struct dc *dc,
struct dc_state *context)
struct dc_state *context)
{
bool p_state_change_support = context->bw_ctx.bw.dcn.clk.p_state_change_support;
/* Any transition into an FPO config should disable MCLK switching first to avoid
* driver and FW P-State synchronization issues.
*/
if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching || dc->clk_mgr->clks.fw_based_mclk_switching) {
if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) {
dc->optimized_required = true;
context->bw_ctx.bw.dcn.clk.p_state_change_support = false;
}
@ -1000,19 +996,7 @@ 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);
/*
* enabled -> enabled: do not disable
* enabled -> disabled: disable
* disabled -> enabled: don't care
* disabled -> disabled: don't care
*/
if (!context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching)
dc_dmub_srv_p_state_delegate(dc, false, context);
if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching || dc->clk_mgr->clks.fw_based_mclk_switching) {
/* After disabling P-State, restore the original value to ensure we get the correct P-State
* on the next optimize. */
context->bw_ctx.bw.dcn.clk.p_state_change_support = p_state_change_support;
}
dc_dmub_srv_p_state_delegate(dc, false, context);
}