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For now (sdm845-db845c), it points to a framebuffer memory region reserved by the bootloader for splash screen. Acked-by: Krzysztof Kozlowski Reviewed-by: Rob Herring Signed-off-by: Amit Pundir --- v6: Re-sending with review and ack tags. Ideally this dt-binding patch should be marked for stable as well, like the follow-up sdm845-db845c.dts patch in the series but it can't be cherry picked cleanly on older LTS versions. I can do it separately if it is required. v5: Moving the dt-binding to mdss-common schema with updated commit message and property description. v4: Adding this new dt-binding patch, in qcom,sdm845-mdss schema, in the v4 of the follow-up patch for sdm845-db845c. https://lore.kernel.org/lkml/20230712130215.666924-2-amit.pundir@linaro.org/ .../devicetree/bindings/display/msm/mdss-common.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml index ccd7d6417523..84ed2757ded5 100644 --- a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml +++ b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml @@ -77,6 +77,12 @@ properties: items: - description: MDSS_CORE reset + memory-region: + maxItems: 1 + description: + Phandle to a node describing a reserved framebuffer memory region. + For example, the splash memory region set up by the bootloader. + required: - reg - reg-names