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I made a mistake, please forgive me.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=48254
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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When booting with EFI, Apple botched this one up.
v2: Switch the quirk dmesg output to DRM_INFO.
v3: Actually git add the new things ...
Tested-by: Austin Lund <austin.lund@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42842
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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And add informational dmesg output where it does not yet exist.
In case a quirk matches too much, this information is crucial for
debugging such a bug report.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It exists way back to gen2, bug got moved around on gen4 a bit.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reported-and-tested-by: Bo Wang < bo.b.wang@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36997
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Ums is already disabled, but on ilk we can additionally disable gem
initialization when using user mode setting. Upstream never support
ilk without kernel modesetting and not even the RHEL ilk ums backport
needs gem - that driver is based on xf86-video-intel version 2.2,
which is pre-gem.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Spurred by an irc discussion, let's start to clear up which parts of
our kms + ums/gem + ums/dri1 + vbios/dri1 kernel driver pieces
userspace in the wild actually uses.
The idea is that we introduce checks at entry-points (module load
time, ioctls, ...) first and then reap any obviously dead code in a
second step.
As a first step refuse to load without kms on chips where userspace
never supported ums. Now upstream hasn't supported ums on ilk, ever.
But RHEL had the great idea to backport the kms support to their ums
driver.
Cc: Dave Airlie <airlied@gmail.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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vlv, ivb and snb all share the gen6+ gt irq handling. 3 copies of the
same stuff is a bit much, so extract it into a little helper.
Now ilk has a different gt irq handling than snb, but shares the same
irq handler (due to the similar display block). So also extract the
ilk gt irq handling to clearly separate these two things.
Nice side effect of this is that we can complete Ben Widawsky's gen6+
irq bit #define cleanup and call the render irq also with the GEN6
alias. Beforehand that code was shared with ilk, and neither option
really made much sense.
As a bonus this enables the error interrupt handling lifted from the
vlv code on snb and ivb, too.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Antagonized-by: Ben Widawsky <ben@bwidawsk.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Top-level interrupt bits are usually found in the display block. It
therefore makes sense to use HAS_PCH_SPLIT in i915_irq.c
But the irq stuff in intel_ring.c only concerns itself with render
core/gt-level interrupt sources. It therefore makes more sense to
switch based on gpu gen.
Kills a vlv special case.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This got copy-pasted from an older version. The newer kinds of
workarounds don't need this anymore.
Shame on me for not noticing when picking up the vlv irq patch.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We can now open-code the get/put irq functions as they were just
abstracting single register definitions.
It would be nice to merge this in with the IRQ handling code... but that
is too much work for me at present. In addition I could probably
collapse this in to a lot of the Ironlake stuff, but I don't think it's
worth the potential regressions.
This patch itself should not effect functionality.
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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- gen6 put/get only need one argument
rflags and gflags are always the same (see above explanation)
- remove a couple redundantly defined IRQs
- reordered some lines to make things go in descending order
Every ring has its own interrupts, enables, masks, and status bits that
are fed into the main interrupt enable/mask/status registers. At one
point in time it seemed like a good idea to make our functions support
the notion that each interrupt may have a different bit position in the
corresponding register (blitter parser error may be bit n in IMR, but
bit m in blitter IMR). It turned out though that the HW designers did us
a solid on Gen6+ and this unfortunate situation has been avoided. This
allows our interrupt code to be cleaned up a bit.
I jammed this into one commit because there should be no functional
change with this commit, and staging it into multiple commits was
unnecessarily artificial IMO.
CC: Chris Wilson <chris@chris-wilson.co.uk>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet:
- fixed up merged conflict with vlv changes.
- added GEN6 to GT blitter bit, we only use it on gen6+.
- added a comment to both ring irq bits and GT irq bits that on gen6+
these alias.
- added comment that GT_BSD_USER_INTERRUPT is ilk-only.
- I've got confused a bit that we still use GT_USER_INTERRUPT on ivb
for the render ring - but this goes back to ilk where we have only
gt interrupt bits and so we be equally confusing if changed.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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DDIA is detected via the DDI_BUF_CTL registers bit 0, but for DDIB, DDIC
and DDID we need to consult SFUSE_STRAP values.
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Watermark line time registers for display low power watermark.
v2: improve bit names as suggested by Chris Wilson
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The WR PLL can drive the DDI ports at fixed frequencies for HDMI, DVI, DP
and FDI.
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Those are used to control the display core clock.
v2: change the enable bit setting, spotted by Rodrigo Vivi.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Different registers are identified by their target id and offset. To
simplify their programming, they are called as <RegisterName><TargetId>.
For example, SSCCTL register accessed through SBI at target id 6 and
offset 0c is called SBI_SSCCTL6.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Multiple clocks can drive different outputs.
v2: use the port enums to access individual ports
v1 Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This PLL control can drive DDI ports at desired frequencies for
DisplayPort and FDI connections.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Pixel clock gating control for Lynx point.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Those are responsible for the Sideband Interface programming.
v2: rename SBI bits to better reflect their meaning
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Those registers are used to train DDI buffer translations for each link
type.
v2: access each port registers through the DDI_BUF_TRANS macro
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There is one instance of those registers for each DDI port.
v2: access registers via the DDI_BUF_CTL() macro
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There is one set of those registers for each port.
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is one set of those registers for each pipe.
v2: use port enum to access individual registers
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There is one set of such registers for each pipe (A/B/C/EDP).
v2: update to use DDI PORTS enum
v1 Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There are 5 DDI ports on Haswell. Port A is always enabled, and is the one
connected to eDP, and Port E is the one that can be connected to the PCH
using FDI protocol. Ports B, C, D and E can be used for digital outputs.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This defines the registers used by different power wells.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This adds product definitions for desktop, mobile and server boards.
v2: split into a separate patch, add .has_pch_split feature.
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The macro is becoming too complex and with VLV upon us it can lead to
confusion. So transforming this into a feature check instead.
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
[danvet: fixed conflict with is_valleyview addition.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Haven't seen this yet, but it doesn't hurt.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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ValleyView has a new interrupt architecture; best to put it in a new set
of functions. Also make sure the ring mask functions handle ValleyView.
FIXME: fix flipping; need to enable interrupts and call prepare/finish
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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ValleyView handles force wake differently than previous chipsets, so add
a couple of new functions for it. But leave it disabled by default
until we test it (need a chip with the Punit enabled first).
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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... and bind it right to the PCI id.
Note that there are still a few things to fix here:
- we need to move the tlb flush to a better place in drm/i915.
- we need to check snoop support on vlv and implement it.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: squash follow-on patch and add todo items to commit msg.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We need to flush the Gunit TLB when we update GTT PTEs on VLV, but the
register for doing so is above the range we normally map. Map the whole
register space to make sure we can get it.
v2: only map the larger space on gen7+ (Daniel)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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HDMI register offsets are different in Valleyview. Add support for the
same.
v2: drop superfluous comments in HDMI init (Daniel)
Signed-off-by: Beeresh G <beeresh.g@intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Vijay Purushothaman <vijay.a.purushothaman@intel.com>
Reviewed-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch adds support for programming drain latency registers of Pondicherry
memory arbiter of Valleyview.
v2: clarify function names (Daniel)
fix summary typo (Daniel)
v3: add parens (Ben)
make drain function return bool (Ben)
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Gajanan Bhat <gajanan.bhat@intel.com>
Reviewed-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Vijay Purushothaman <vijay.a.purushothaman@intel.com>
Reviewed-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Set required clock gating and chicken bits on VLV.
v2: set PIXEL_SUBSPAN_COLLECT_OPT_DISABLE too (Ben)
move function below ivb version to pretend to be consistent (Ben)
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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ValleyView puts some display related registers like the PLL controls and
dividers behind the DPIO bus. Add simple indirect register access
routines to get to those registers.
v2: move new wait_for macro to intel_drv.h (Ben)
fix DPIO_PKT double write (Ben)
add debugfs file
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add register definitions for the new VLV PLL bits.
v2: remove unused bits & regs (Ben)
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add support for ValleyView watermark handling.
v2: remove unused reg & bit definitions (Ben)
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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For use by the rest of the ValleyView code.
v2: fix desktop variant to not set is_mobile (Ben)
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Makes it more readable and maintainable. ValleyView will add its own
PLL update function in a later patch.
v2: split LVDS bits out of this patch (Daniel)
v3: fix dropped DP dithering hunk (Daniel)
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
danvet:
- fixup spurious whitespace change
- reorder patches to fix bisect breakage
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Just to make things clearer and reduce the size of this monstrosity.
v2: make sure 8xx PLL update function calls update_lvds too (Daniel)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
danvet: fixed patch ordering to avoid breaking bisect.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Fixes a regression from 9e984bc1 (drm/i915: Don't do MTRR setup if PAT
is enabled) where we left the MTRR as 0 and so tried to free a MTRR we
did not own during unload.
Reported-and-tested-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This memory is always allocated, and it is always a fixed size, so just
allocate it along with the rest of the driver state.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There is no GMBUS "disabled" port 0, nor "reserved" port 7.
For the other 6 ports there is a fixed 1:1 mapping between pin pairs and
gmbus ports, which means every real gmbus port has a gpio pin.
Given these realizations, clean up gmbus initialization.
Tested on Sandybridge (gen 6, PCH == CougarPoint) hardware.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Instead of letting other modules directly access the ->gmbus array,
introduce intel_gmbus_get_adapter() for looking up an i2c_adapter
for a given gmbus port identifier. This will enable later refactoring
of the gmbus port list.
Note: Before requesting an adapter for a given gmbus port number, the
driver must first check its validity using i2c_intel_gmbus_is_port_valid().
If this check fails, a call to intel_gmbus_get_adapter() will WARN_ON and
return NULL. This is relevant for parts of the driver that read a port
from VBIOS, which might be improperly initialized and contain an invalid
port. In these cases, the driver must fall back to using a safer default
port.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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