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v2: Accidently removed an ILK case in i9xx_setup (Nicely found by Chris)
CC: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by [v1] : Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This bug existed in the old code, but was easier to fix here in the
rework. Unfortunately gen7 doesn't have a nice way to figure out the
size and we must use a lookup table.
As Jesse pointed out, there is some confusion in the docs about these
definitions. We're picking the one which seems more accurate, but we
really aren't certain.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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As a quick hack we make the old intel_gtt structure mutable so we can
fool a bunch of the existing code which depends on elements in that data
structure. We can/should try to remove this in a subsequent patch.
This should preserve the old gtt init behavior which upon writing these
patches seems incorrect. The next patch will fix these things.
The one exception is VLV which doesn't have the preserved flush control
write behavior. Since we want to do that for all GEN6+ stuff, we'll
handle that in a later patch. Mainstream VLV support doesn't actually
exist yet anyway.
v2: Update the comment to remove the "voodoo"
Check that the last pte written matches what we readback
v3: actually kill cache_level_to_agp_type since most of the flags will
disappear in an upcoming patch
v4: v3 was actually not what we wanted (Daniel)
Make the ggtt bind assertions better and stricter (Chris)
Fix some uncaught errors at gtt init (Chris)
Some other random stuff that Chris wanted
v5: check for i==0 in gen6_ggtt_bind_object to shut up gcc (Ben)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by [v4]: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Make the cache_level -> agp_flags conversion for pre-gen6 a
tad more robust by mapping everything != CACHE_NONE to the cached agp
flag - we have a 1:1 uncached mapping, but different modes of
cacheable (at least on later generations). Suggested by Chris Wilson.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This has been introduced in "drm/i915: TLB invalidation with
MI_FLUSH_DW requires a post-sync op".
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The BIOS shouldn't be touching this memory across suspend/resume, so
just leave it alone. This saves us ~6ms on resume on my T420 (retested
with write combined PTEs).
v2: change gtt restore default on pre-gen4 (Chris)
move needs_gtt_restore flag into dev_priv
v3: make sure we restore GTT on resume from hibernate (Daniel)
use opregion support as the cutoff for restore from resume (Chris)
v4: use a better check for opregion (Chris)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Kill the needs_gtt_restore indirection and check directly for
OpRegion. Also explain in a comment what's going on.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This allows the power related code to run independently of the rest of
the pipeline, extending the resume and init time improvements into
userspace, which would otherwise have been blocked on the struct mutex
if we were doing PCU communication.
v2: Also convert the locking for the rps sysfs interface.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> (v1)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Communicating via the mailbox registers with the PCU can take quite
awhile. And updating the ring frequency or enabling turbo is not
something that needs to happen synchronously, so take it out of our init
and resume paths to speed things up (~200ms on my T420).
v2: add comment about why we use a work queue (Daniel)
make sure work queue is idle on suspend (Daniel)
use a delayed work queue since there's no hurry (Daniel)
v3: make cleanup symmetric and just call cancel work directly (Daniel)
v4: schedule the work using round_jiffies_up to batch work better (Chris)
v5: fix the right schedule_delayed_work call (Chris)
References: https://bugs.freedesktop.org/show_bug.cgi?id=54089
Signed-of-by: Jesse Barnes <jbarnes@virtuougseek.org>
[danvet: bikeshed the placement of the new delayed work, move it to
all the other gen6 power mgmt stuff.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The console lock can be contended, so rather than prevent other drivers
after us from being held up, queue the console suspend into the global
work queue that can happen anytime. I've measured this to take around
200ms on my T420. Combined with the ring freq/turbo change, we should
save almost 1/2 a second on resume.
v2: use console_trylock() to try to resume the console immediately (Chris)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: move dev_priv->console_resume_work next to the fbdev
pointer.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Pretty astonishing how far apart these two members landed ... Especially since
I've already removed almost 200 lines in between.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Also, move dev_priv->counter there, it's only used in i915_dma.c
And also move the dri1 dungeon at the end of dev_priv where no one
cares about it.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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And give the structs slightly more generic names. I've decided to keep
the short rps/ips prefix, since that's just easier and less churn.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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dev_priv has grown way too big, and grouping memebers into substructs
and moving them out of line helps re-gain some overview.
Unfortunatley I couldn't just call the substruct save and drop the prefix, since
that will make most member names clash with registers #defines. Changes in
i915_drv.h done by hand, everything else changed with
s/\<save\([A-Z]*\)/regfile.save\1/ in vim.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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So we can write them properly.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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"If ENABLED, PIPE_CONTROL command will flush the in flight data written
out by render engine to Global Observation point on flush done. Also
Requires stall bit ([20] of DW1) set."
So set the stall bit to ensure proper invalidation.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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So store into the scratch space of the HWS to make sure the invalidate
occurs.
v2: use GTT address space for store, clean up #defines (Chris)
v3: use correct #define in blt ring flush (Chris)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
References: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1063252
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Workaround for dual port PS dispatch on GT1.
v2: pull in register definition & offset handling
v3: use IVB GT1 macro to get the right regs (Ben)
v4: add for VLV too (Ben)
v5: don't read the reg, it's masked so we'll only enable the one extra bit (Chris)
v6: use a _GT2 suffix for the second reg (Chris)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This allows us to get the right vblank interrupt frequency.
v2: pull in register definition
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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References: https://bugs.freedesktop.org/show_bug.cgi?id=50250
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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v2: use correct register
v3: remove extra hunks, pull in register definitions & offset check directly
v4: add GT1 vs GT2 distinction for IVB portion (Ben)
References: https://bugs.freedesktop.org/show_bug.cgi?id=50233
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Needs to be set on every context restore as well, so set it as part of
the initial state so we can save/restore it. Note this removes the IVB
workaround value from VLV and uses the default value, just adding in the
L3 cache aging disable bit, since the IVB value is wrong for VLV.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This covers the "Disable FDI" section from the CRT mode set sequence.
This disables the FDI receiver and also the FDI pll.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This commit makes hsw_fdi_link_train responsible for implementing
everything described in the "Enable and train FDI" section from the
Hawell CRT mode set sequence documentation. We completely rewrite
hsw_fdi_link_train to match the documentation and we also call it in
the right place.
This patch was initially sent as a series of tiny patches fixing every
little problem of the function, but since there were too many patches
fixing the same function it got a little difficult to get the "big
picture" of how the function would be in the end, so here we amended
all the patches into a single big patch fixing the whole function.
Problems we fixed:
1 - Train Haswell FDI at the right time.
We need to train the FDI before enabling the pipes and planes, so
we're moving the call from lpt_pch_enable to haswell_crtc_enable
directly.
We are also removing ironlake_fdi_pll_enable since the PLL
enablement on Haswell is completely different and is also done
during the link training steps.
2 - Use the right FDI_RX_CTL register on Haswell
There is only one PCH transcoder, so it's always _FDI_RXA_CTL.
Using "pipe" here is wrong.
3 - Don't rely on DDI_BUF_CTL previous values
Just set the bits we want, everything else is zero. Also
POSTING_READ the register before sleeping.
4 - Program the FDI RX TUSIZE register on hsw_fdi_link_train
According to the mode set sequence documentation, this is the
right place. According to the FDI_RX_TUSIZE register description,
this is the value we should set.
Also remove the code that sets this register from the old
location: lpt_pch_enable.
5 - Properly program FDI_RX_MISC pwrdn lane values on HSW
6 - Wait only 35us for the FDI link training
First we wait 30us for the FDI receiver lane calibration, then we
wait 5us for the FDI auto training time.
7 - Remove an useless indentation level on hsw_fdi_link_train
We already "break" when the link training succeeds.
8 - Disable FDI_RX_ENABLE, not FDI_RX_PLL_ENABLE
When we fail the training.
9 - Change Haswell FDI link training error messages
We shouldn't call DRM_ERROR when still looping through voltage
levels since this is expected and not really a failure. So in this
commit we adjust the error path to only DRM_ERROR when we really
fail after trying everything.
While at it, replace DRM_DEBUG_DRIVER with DRM_DEBUG_KMS since
it's what we use everywhere.
10 - Try each voltage twice at hsw_fdi_link_train
Now with Daniel Vetter's suggestion to use "/2" instead of ">>1".
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Applied tiny bikesheds:
- mention in comment that we test each voltage/emphasis level twice
- realing arguments of the only untouched reg write, it spilled over
the 80 char limit ...]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We had 2 places using X2 and one place using X1.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Now that we no longer pretend to have flexibility in matching any
north display block with any pch, we can ditch this.
v2: Fix the embarassing rebase fail that Paulo Zanoni spotted.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Found in Bspec vol4h South Display Engine Registers [CPT, PPT],
section "5.3.1 TRANS_CHICKEN_1—Transcoder Chicken Bits 1"
v2: Make it compile.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We need to set the timing override chicken bit after fdi link training
has completed and before we enable the transcoder. We also have to
clear that bit again after disabling the pch transcoder.
See "Graphics BSpec: vol4g North Display Engine Registers [IVB],
Display Mode Set Sequence" and "Graphics BSpec: vol4h South Display
Engine Registers [CPT, PPT], South Display Engine Transcoder and FDI
Control, Transcoder Debug and DFT, TRANS_CHICKEN_2" bit 31:
"Workaround : Enable the override prior to enabling the transcoder.
Disable the override after disabling the transcoder."
While at it, use the _PIPE macro for the other TRANS_DP register.
v2: Keep the w/a as-is, but kill the original (but wrongly placed)
workaround introduced in
commit 3bcf603f6d5d18bd9d076dc280de71f48add4101
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Wed Jul 27 11:51:40 2011 -0700
drm/i915: apply timing generator bug workaround on CPT and PPT
and
commit d4270e57efe9e2536798c59e1ed2fd0a1e5cdfcf
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Tue Oct 11 10:43:02 2011 -0700
drm/i915: export a CPT mode set verification function
Note that this old code has unconditionally set the w/a, which might
explain why fdi link training sometimes silently fails, and especially
why the auto-train did not seem to work properly.
v3: Paulo Zanoni pointed out that this workaround is also required on
the LPT PCH. And Arthur Ranyan confirmed that this workaround is
requierd for all ports on the pch, not just DP: The important part
is that the bit is set whenever the pch transcoder is enabled, and
that it is _not_ set while the fdi link is trained. It is also
important that the pch transcoder is fully disabled, i.e. we have to
wait for bit 30 to clear before clearing the w/a bit.
Hence move to workaround into enable/disable_transcoder, where the pch
transcoder gets enabled/disabled.
v4: Whitespace changes dropped.
v5: Don't run the w/a on IBX, we only need it on CPT/PPT and LPT.
v6:
- resolve conflicts with Paulo's big hsw vga rework
- s/!IBX/CPT since hsw paths are now all separate, and Paulo's patch
to implement the equivalent w/a for LPT is already merged.
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Paulo Zanoni <przanoni@gmail.com>
Cc: Arthur Ranyan <arthur.j.runyan@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> (v5)
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> (v5)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They are all written for a specific north disaplay->pch combination.
So stop pretending otherwise.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We don't really support fancy north display/pch combinations, so
put a big yelling WARN_ON in there. It /should/ be impossible, but
alas, the rumours don't stop (mostly due to really early silicon
sometimes using older PCHs).
v2: Fixup the logic fumble noticed by Paulo Zanoni. I should actually
try to test run the patch next time around ...
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This essentially reverts
commit cb0953d734348e8862d6d7edc666cfb3bf6d8fae
Author: Adam Jackson <ajax@redhat.com>
Date: Fri Jul 16 14:46:29 2010 -0400
drm/i915: Initialize LVDS and eDP outputs before anything else
simply because it doesn't scale: It misses SDVO and DVO panels,
and now with DDI encoders on haswell this is becoming unmanageable.
Instead we simply sort the connector list after everything is
set up.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Userspace seems to like this, see
commit cb0953d734348e8862d6d7edc666cfb3bf6d8fae
Author: Adam Jackson <ajax@redhat.com>
Date: Fri Jul 16 14:46:29 2010 -0400
drm/i915: Initialize LVDS and eDP outputs before anything else
This makes them sort to the front in X, which makes them likely to be
the primary outputs if you haven't specified a preference in your DE,
which is likely to be what you want.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Sorting the connector list after the fact is much easier than trying
to be clever with the init sequence.
Acked-by: Dave Airlie <airlied@gmail.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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On Haswell/LPT we must disable the PCH transcoder before we disable
the FDI, so don't check for disabled FDI there.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This function is only for the previous gens.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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These workarounds are documented on the CRT mode set sequence.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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... instead of "pipe", which is wrong.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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... instead of PIPECONF_INTERLACE_MASK.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: applied the change by hand due to patch reorder.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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That function is made for IBX. Running it on LPT will trigger tons of
"unclaimed register" errors. The only port remaining on LPT is
PCH_ADPA.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Because we already set all the bits we can set.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: apply by hand due to dropped patch. Also, obey my OCD a bit
and do a s/_TRANSACONF/TRANSCONF(TRANSCODER_A)/, makes it more
consisten with other lpt pch code imnsho ...]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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... instead of using "pipe". As already explained in previous commits,
since Haswell/LPT cpu_transcoder, pch_transcoder and pipe are not the
same thing.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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These asserts are specific to IBX/CPT/PPT. Inside the assert_pch_pll
function we even "return" in case we detect LPT, but I prefer to just
not call it. In the future we might rename to something like
ibx_assert_pch_pll.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Since now we have lpt_enable_pch_transcoder.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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For now the new functions are just copies. Differences will be added
later.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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To ironlake_{en,dis}able_pch_transcoder since these functions will be
different on Haswell/LPT and since the "transcoder" they {en,dis}able
is on the PCH.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: again a small conflict because the fdi disable sequenc looks
a bit different here.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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On Haswell/LPT, pipe, cpu_transcoder and pch_transcoder are different
things with different values, unlinke the previous gens. So here we
use the right thing at the right place.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: apply the patch by hand due to the reorder patch sequence. We
also can't kill all uses of pipe where we should, since the fdi link
train code isn't fixed up yet on this baselin.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There is no LVDS, so don't poke the LVDS registers.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is just wrong. The lpt_program_iclkip should disable the PCH
pixel clocks (and yes, we plan to rename it later).
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Because this function is only for the older PCHs, not the newer ones.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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