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According to internal documents I found for CMP PCHs the PCI ID 0xA3C1
belongs to a CMP-V chipset. Based on the same docs the programming of
the PCH is compatible with that of KBP. Fix up my previous wrong
assumption accordingly using the SPT programming which in turn is the
basis for KBP.
The original bug reporter verified that this is the correct PCH
identification (the only way we'll program valid DDC pin-pair values to
the GMBUS register) and the Windows team uses the same identification
(that is using the KBP programming model for this PCH).
I filed the necessary Bspec update requests (BSpec/33734).
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112051
Fixes: 37c92dc303dd ("drm/i915: Add new CNL PCH ID seen on a CML platform")
Reported-and-tested-by: Cyrus <cyrus.lien@canonical.com>
Cc: Cyrus <cyrus.lien@canonical.com>
Cc: Timo Aaltonen <tjaalton@ubuntu.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191112104608.24587-1-imre.deak@intel.com
(cherry picked from commit 50a5065f4474c2dbc1f7462b45a32d33d7b48d88)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Atm we don't detect a PCH with PCI ID 0xA3C1 which showed up now on a CML
platform. We don't have the official assignment of the PCH PCI IDs, but
this looks like a CNP which was already used on CML platforms. Let's add
the new ID->PCH type mapping accordingly.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112051
Reported-and-tested-by: Cyrus <cyrus.lien@canonical.com>
Cc: Cyrus <cyrus.lien@canonical.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191022095155.30991-1-imre.deak@intel.com
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The Jasper Lake PCH follows ICP/TGP's south display behavior and is
identical to MCC graphics-wise except that it does not use the unusual
(port C -> TC1) pin mapping that MCC does.
Also, it turns out the extra PCH ID that we had previously thought was a
form of MCC is actually a second ID for JSP (i.e., port C uses the port
C pins instead of the TC1 pins).
v2:
- Also update the port masks (not just the pin table) in
mcc_hpd_irq_setup. (Vivek)
v3:
- Break jsp_hpd_irq_setup out into its own function for clarity.
(Vivek)
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: James Ausmus <james.ausmus@intel.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015162854.30546-1-matthew.d.roper@intel.com
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The CMP PCH ID we have in the driver is correct for the CML-U machines we have
in our CI system, but the CML-S and CML-H CI machines appear to use a
different PCH ID, leading our driver to detect no PCH for them.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
References: 729ae330a0f2e2 ("drm/i915/cml: Introduce Comet Lake PCH")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111461
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190916233251.387-1-matthew.d.roper@intel.com
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Abstract the rather self-contained piece of code from i915_drv.[ch]. No
functional changes.
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807120415.17917-1-jani.nikula@intel.com
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Imre Deak
Matt Roper
Jani Nikula