add lvds1024*800

hc

2024-01-31 f70575805708cabdedea7498aaa3f710fde4d920

 kernel/drivers/gpu/drm/amd/display/dc/dce120/dce120_hw_sequencer.c
..
..
@@ -244,13 +244,28 @@
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 	dh_data->dchub_info_valid = false;
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 }
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+/**
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+ * dce121_xgmi_enabled() - Check if xGMI is enabled
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+ * @hws: DCE hardware sequencer object
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+ *
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+ * Return true if xGMI is enabled. False otherwise.
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+ */
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+bool dce121_xgmi_enabled(struct dce_hwseq *hws)
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+{
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+	uint32_t pf_max_region;
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+
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+	REG_GET(MC_VM_XGMI_LFB_CNTL, PF_MAX_REGION, &pf_max_region);
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+	/* PF_MAX_REGION == 0 means xgmi is disabled */
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+	return !!pf_max_region;
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+}
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+
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 void dce120_hw_sequencer_construct(struct dc *dc)
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 {
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 	/* All registers used by dce11.2 match those in dce11 in offset and
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 	 * structure
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 	 */
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 	dce110_hw_sequencer_construct(dc);
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-	dc->hwss.enable_display_power_gating = dce120_enable_display_power_gating;
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+	dc->hwseq->funcs.enable_display_power_gating = dce120_enable_display_power_gating;
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 	dc->hwss.update_dchub = dce120_update_dchub;
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 }
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