The FCPV instances can perform transparent near-lossless compression internally but need the DDR controller to perform decompression. Reference the DDR controller lossy decompression memory region to model that relationship. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> --- arch/arm64/boot/dts/renesas/r8a7795.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi index 1320ec3b6a5e..c55003563f61 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi @@ -1901,6 +1901,9 @@ fcpvb1: fcp@fe92f000 { compatible = "renesas,fcpv"; + memory-region = <&lossy_decompression_0 + &lossy_decompression_1 + &lossy_decompression_2>; reg = <0 0xfe92f000 0 0x200>; clocks = <&cpg CPG_MOD 606>; power-domains = <&sysc R8A7795_PD_A3VP>; @@ -1936,6 +1939,9 @@ fcpvb0: fcp@fe96f000 { compatible = "renesas,fcpv"; + memory-region = <&lossy_decompression_0 + &lossy_decompression_1 + &lossy_decompression_2>; reg = <0 0xfe96f000 0 0x200>; clocks = <&cpg CPG_MOD 607>; power-domains = <&sysc R8A7795_PD_A3VP>; @@ -1955,6 +1961,9 @@ fcpvi0: fcp@fe9af000 { compatible = "renesas,fcpvi", "renesas,fcpv"; + memory-region = <&lossy_decompression_0 + &lossy_decompression_1 + &lossy_decompression_2>; reg = <0 0xfe9af000 0 0x200>; clocks = <&cpg CPG_MOD 611>; power-domains = <&sysc R8A7795_PD_A3VP>; @@ -1974,6 +1983,9 @@ fcpvi1: fcp@fe9bf000 { compatible = "renesas,fcpvi", "renesas,fcpv"; + memory-region = <&lossy_decompression_0 + &lossy_decompression_1 + &lossy_decompression_2>; reg = <0 0xfe9bf000 0 0x200>; clocks = <&cpg CPG_MOD 610>; power-domains = <&sysc R8A7795_PD_A3VP>; @@ -1993,6 +2005,9 @@ fcpvd0: fcp@fea27000 { compatible = "renesas,fcpv"; + memory-region = <&lossy_decompression_0 + &lossy_decompression_1 + &lossy_decompression_2>; reg = <0 0xfea27000 0 0x200>; clocks = <&cpg CPG_MOD 603>; power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; @@ -2012,6 +2027,9 @@ fcpvd1: fcp@fea2f000 { compatible = "renesas,fcpv"; + memory-region = <&lossy_decompression_0 + &lossy_decompression_1 + &lossy_decompression_2>; reg = <0 0xfea2f000 0 0x200>; clocks = <&cpg CPG_MOD 602>; power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; @@ -2031,6 +2049,9 @@ fcpvd2: fcp@fea37000 { compatible = "renesas,fcpv"; + memory-region = <&lossy_decompression_0 + &lossy_decompression_1 + &lossy_decompression_2>; reg = <0 0xfea37000 0 0x200>; clocks = <&cpg CPG_MOD 601>; power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; -- Regards, Laurent Pinchart