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drm/amd/display: Fix FRL assertion on boot
[why] Make sure to ungate the clocks on boot so programming sequence is done successfully. [how] Move the ungate logic after bios init. Reviewed-by: Xi (Alex) Liu <xi.liu@amd.com> Acked-by: Hersen Wu <hersenxs.wu@amd.com> Signed-off-by: Sung Joon Kim <sungkim@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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1 changed files with 5 additions and 4 deletions
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@ -138,16 +138,17 @@ void dcn35_init_hw(struct dc *dc)
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if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
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dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
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REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
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REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0x3F000000);
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REG_WRITE(DCCG_GATE_DISABLE_CNTL5, 0x1f7c3fcf);
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//dcn35_set_dmu_fgcg(hws, dc->debug.enable_fine_grain_clock_gating.bits.dmu);
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if (!dcb->funcs->is_accelerated_mode(dcb)) {
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/*this calls into dmubfw to do the init*/
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hws->funcs.bios_golden_init(dc);
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}
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REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
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REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0x3F000000);
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REG_WRITE(DCCG_GATE_DISABLE_CNTL5, 0x1f7c3fcf);
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// Initialize the dccg
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if (res_pool->dccg->funcs->dccg_init)
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res_pool->dccg->funcs->dccg_init(res_pool->dccg);
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