Intel adds initial patches for “Display13” to Linux graphics driver

Published: 29th Jan 2021, 08:50 GMT   Comments

Intel prepares ‘Display13’ for Gen12.7+ Xe Graphics

Display13 is a ‘natural’ evolution of Display1, Intel employees have written in a description of the new Linux graphics patches. The term does not directly refer to the graphics processor, but rather to the next-gen display intellectual property. The patches are not coming to Rocket Lake or Alder Lake though either, in fact, those patches are possibly an early groundwork for the Meter Lake series.

Intel Rocket Lake-S and Alder Lake-S will rely on Gen12.1 and Gen12.2 graphics respectively. Meanwhile, the Meteor Lake series will likely be Gen12.722, as long as the previous leaks were accurate. The Meteor Lake (MTS) series are not expected to launch until 2022 at least and there haven’t been that many leaks on the series either. The series is likely to be an evolution of Intel’s Hybrid Technology in Alder Lake. Both series are to use the same socket (LGA1700), same memory technology (DDR5), and support PCI Gen5 interface.

The Display13 patches are not very interesting at this point, after all, they are being added a year or so before anything important software or hardware-wise appears.

Display13 brings a plane configuration identical to Rocket Lake (5 universal planes and one cursor plane), improved under-run recovery, support for plane strides up to 128KB, power management improvements, and up to 255 watermark lines compared to the prior limit of 31. One interesting anecdote from the patches is with Display13 hardware when the system has Intel VT-d support enabled has bandwidth usage of the display higher by 5%.

— Phoronix

Intel Display13 Power Wells, Source: PatchWork

INTEL Mainstream CPU Series Specs
VideoCardz.comCoffee Lake-SComet Lake-SRocket Lake-SAlder Lake-SMeteor Lake-SLunar Lake-S
Launch Year20182020202120212022-2023TBC
Fabrication Node14nm14nm14nm10nm SuperFin7nm SuperFinTBCTBC
Core µArchSkylakeSkylakeCypress CoveGolden Cove + GracemontRedwood Cove + GracemontTBC
Graphics µArchGen9Gen9.5Gen12.1Gen12.2Gen 12.7Gen 13
Max Core Countup to 8 coresup to 10 coresup to 8 coresup to 16 (8+8)TBCTBC
SocketLGA1151LGA1200LGA1200LGA1700LGA1700LGA1700
Memory SupportDDR4DDR4DDR4DDR5DDR5DDR5
PCIe GenPCIe 3.0PCIe 3.0PCIe 4.0PCIe 5.0PCIe 5.0PCIe 5.0
Intel Core Series8th/9th Gen Core-S10th Gen Core-S11th Gen Core-S12th Gen Core-S13th Gen Core-S14th Gen Core-S
Motherboard ChipsetsIntel 300 (eg. Z390)Intel 400 (eg. Z490)Intel 500 (Z590)Intel 600 (eg. Z690)Intel 700 (eg. Z790)Intel 800 (eg. Z890)

Intel Xe generations have already been leaked. Please note that Display13 does not refer to Gen13.

Intel Xe Graphics Architectures
GenCodenameCoresSubslicesMemory
12.1Tiger Lake UP3/UP4 (TGL-UP3/UP4)412UMA
12.1DG1N/A12LPDDR4x
12.1Rocket Lake S84UMA
12.2Alder Lake S (ADL-S)8+84UMA
12.2Alder Lake P (ADL-P)6+812UMA
12.2Alder Lake M (ADL-M)2+812UMA
12.5Arctic Sound (ATS)N/A4 x 64HBM2E
12.5Tiger Lake H (TGL-H)84UMA
12.71DG2N/A64GDDR6
12.721Ponte Vecchio (PVC)N/A?HBM2E
12.722Meteor Lake (MTL)??UMA
12.9Lunar Lake (LNL)??UMA
12.9? (SYL)??UMA
13Jupiter Sound (JPS)N/A??
13DG3N/A??

Source: Phoronix




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