2020-03-13 11:51:28 +03:00
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Intel video hardware generations
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2021-08-24 18:45:36 +03:00
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2020-03-13 11:51:28 +03:00
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This file summarizes the different generations of Intel hardware, because the
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naming is a bit inconsistent and it's hard to follow which is which sometimes.
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The devices can be referred to by year of introduction, generation number,
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chipset commercial number, or internal codenames.
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Generation 1
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============
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These are the i740 and i810 devices handled by intel_810. No further info will
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be provided here.
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Generation 2 / 2002
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i830, 845, 85x, 865
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Generation 3 / 2004
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===================
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This is the first generation to be documented at intellinuxgraphics.org.
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Generation 2 devices are quite similar for the modesetting part, but not
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identical.
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GMA 900 (i915G)
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GMA 950 (i945G)
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GMA 3000 (946GZ, Q965, Q963)
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GMA 3100 (G31, G33, Q33 et Q35)
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GMA 3150 (Pineview for Atom CPUs)
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Generation 4 / 2006
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===================
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GMA X3000 (i965G)
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GMA X3100 (i965GM)
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GMA X3500 (G35)
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GMA 4500 (Q43, Q45)
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GMA 4500M / 4500HD (GL40, GS45, GM45, GM47)
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GMA X4500 / X4500HD (G41, G43 (X4500), G45 (X4500HD))
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Generation 5 / 2010
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Westmere / Clarkdale, Arrandale / Iron Lake / Ibex Peak
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Switches from the traditional northbridge / southbridge to the new
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"platform control hub" design. Essentially, most of the northbridge functions
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are now directly in the CPU package.
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Generation 6 / 2011
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Sandybridge / Cougar Point
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The northbridge and CPU are now even on the same die.
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Generation 7 / 2012
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===================
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Ivy Bridge / Panther Point and Haswell / Lynx Point
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A lot of the video output hardware is moved from the northbridge (CPU) to the
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PCH. This makes sense because it allows to match the PCH chipset (soldered on
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to the motherboard) with the video ports (also soldered there). Otherwise, the
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CPU generation would define which ports are usable or not.
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This impacts several things in the modesetting sequence, as well as the address
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of the registers which are moved.
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This is also the first generation to support 3 independant displays, which
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also impacts the register layout in many places.
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Generation 8 / 2013
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Broadwell / Wildcat Point and Braswell
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Generation 9 / 2015
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===================
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Skylake / Sunrise Point, Apollo Lake, Kaby Lake / Union Point
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Generation 10
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=============
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Cannon Point / Coffee Lake
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Generation 11
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=============
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Ice Lake
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Generation 12
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=============
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Tiger Lake
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