Messages in this thread | | | Date | Wed, 3 Apr 2024 08:41:23 +0200 | Subject | Re: [PATCH v1 1/1] drm/mediatek/dp: The register is written with the parsed DTS SSC value. | From | Krzysztof Kozlowski <> |
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On 03/04/2024 06:05, Liankun Yang wrote: > [Description] > Severe screen flickering has been observed on the external display > when the DP projection function is used with the market expansion dock. >
> + if (!strcmp(mode_name, RG_XTP_GLB_TXPLL_SSC_DELTA_RBR)) { > + regmap_update_bits(dp_phy->regs, ssc_reg_offset, > + XTP_GLB_TXPLL_SSC_DELTA_RBR_DEFAULT, read_value); > + } else if (!strcmp(mode_name, RG_XTP_GLB_TXPLL_SSC_DELTA_HBR)) { > + read_value = read_value << 16 | 0x0000; > + regmap_update_bits(dp_phy->regs, ssc_reg_offset, > + XTP_GLB_TXPLL_SSC_DELTA_HBR_DEFAULT, read_value); > + } > + > + return 0; > +} > + > +static struct device_node *mtk_dp_get_ssc_node(struct phy *phy, struct mtk_dp_phy *dp_phy) > +{ > + struct device_node *mode_node = NULL; > + > + mode_node = of_find_node_by_name(dp_phy->dev->of_node, SSC_SETTING);
?!?! You have the node, why do you try to find it?
Best regards, Krzysztof
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