| Commit message (Collapse) | Author | Age |
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The struct rcar_du_encoder_data encoder::field describes the encoder
type, and the rcar_du_encoder_lvds_data and rcar_du_encoder_vga_data
structures describe connector properties. Rename them accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Create a single rcar_du_encoder structure that implements a KMS encoder.
The current implementation is straightforward and only configures CRTC
output routing.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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This prepares for the encoders rework.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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This prepares for the encoders rework.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The R8A7790 DU documentation contains further information regarding the
plane Y source coordinate. Update the comment accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Some of the DU revisions use one clock and IRQ per CRTC instead of one
clock and IRQ per device. Retrieve the correct clock and register the
correct IRQ for each CRTC.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The platform device id driver data field points to a device information
structure that only contains a (currently empty) features field for now.
Support for additional model-dependent features will be added later.
Only the R8A7779 variant is currently supported.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Replace the devm_request_mem_region() and devm_ioremap_nocache() calls
with devm_ioremap_resource().
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Several alpha plane register definitions are missing, add them.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Add a fixup function that will flip the hsync priority and
add a hskew value that is used to shift the tda998x to the
right by a variable number of pixels depending on the mode.
This works around an issue with the sync timings that tilcdc
is outputing.
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Some LCD controller cannot provide valid VESA style sync, i.e. coincident
HS/VS edges. First, this patch adds hskew passed from the adjusted_mode to
reference pixel calculation to allow those controllers to add an offset
relative to the expected reference pixel.
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This fixes the wrong sync generation and sync calculation of TDA998x
for HS/VS-based sync detection.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This patch adds tda998x specific parameters to allow it to be configured
for different boards using it. Also, this implements rudimentary audio
support for S/PDIF attached controllers.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The video-input-port (VIP) is highly configurable. This prepares
current driver to allow to configure VIP configuration, as some
boards connect lcd controller and TDA998x "pin-swapped" and depend
on VIP to swap the pins by register configuration.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The npix/nline registers are supposed to be programmed with the total
number of pixels/lines, not the displayed pixels/lines, and not minus
one either.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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When switching between various drivers for this device, it's possible
that some critical registers are left containing values which affect
the device operation. One such case encountered is the VIP output
mux register. This defaults to 0x24 on powerup, but other drivers may
set this to 0x12. This results in incorrect colours.
Fix this by ensuring that the register is always set to the power on
default setting.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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TDA19988 devices need their RAM enabled in order to read EDID
information. Add support for this.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Tested-by: Darren Etheridge <detheridge@ti.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Russell King <rmk_kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If NO_DMA=y:
drivers/built-in.o: In function `__drm_pci_free':
drivers/gpu/drm/drm_pci.c:112: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `drm_pci_alloc':
drivers/gpu/drm/drm_pci.c:72: undefined reference to `dma_alloc_coherent'
drivers/built-in.o: In function `drm_gem_unmap_dma_buf':
drivers/gpu/drm/drm_prime.c:87: undefined reference to `dma_unmap_sg'
drivers/built-in.o: In function `drm_gem_map_dma_buf':
drivers/gpu/drm/drm_prime.c:78: undefined reference to `dma_map_sg'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://people.freedesktop.org/~danvet/drm-intel into drm-next
Neat that QA (and Ben) keeps on humming along while I'm on vacation, so
you already get the next feature pull request:
- proper eLLC support for HSW from Ben
- more interrupt refactoring
- add w/a tags where we implement them already (Damien)
- hangcheck fixes (Chris) + hangcheck stats (Mika)
- flesh out the new vm structs for ppgtt and ggtt (Ben)
- PSR for Haswell, still disabled by default (Rodrigo et al.)
- pc8+ refclock sequence code from Paulo
- more interrupt refactoring from Paulo, unifying ilk/snb with the ivb/hsw
interrupt code
- full solution for the Haswell concurrent reg access issues (Chris)
- fix racy object accounting, used by some new leak tests
- fix sync polarity settings on ch7xxx dvo encoder
- random bits&pieces, little fixes and better debug output all over
[airlied: fix conflict with drm_mm cleanups]
* tag 'drm-intel-next-2013-07-26-fixed' of git://people.freedesktop.org/~danvet/drm-intel: (289 commits)
drm/i915: Do not dereference NULL crtc or fb until after checking
drm/i915: fix pnv display core clock readout out
drm/i915: Replace open-coded offset_in_page()
drm/i915: Retry DP aux_ch communications with a different clock after failure
drm/i915: Add messages useful for HPD storm detection debugging (v2)
drm/i915: dvo_ch7xxx: fix vsync polarity setting
drm/i915: fix the racy object accounting
drm/i915: Convert the register access tracepoint to be conditional
drm/i915: Squash gen lookup through multiple indirections inside GT access
drm/i915: Use the common register access functions for NOTRACE variants
drm/i915: Use a private interface for register access within GT
drm/i915: Colocate all GT access routines in the same file
drm/i915: fix reference counting in i915_gem_create
drm/i915: Use Graphics Base of Stolen Memory on all gen3+
drm/i915: disable stolen mem for OVERLAY_NEEDS_PHYSICAL
drm/i915: add functions to disable and restore LCPLL
drm/i915: disable CLKOUT_DP when it's not needed
drm/i915: extend lpt_enable_clkout_dp
drm/i915: fix up error cleanup in i915_gem_object_bind_to_gtt
drm/i915: Add some debug breadcrumbs to connector detection
...
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Fixes regression from
commit 4906557eb37b7fef84fad4304acef6dedf919880
Author: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Date: Thu Jul 11 18:45:05 2013 -0300
drm/i915: Hook PSR functionality
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67526
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We need the correct clock to accurately assess whether we need to
enable the double wide pipe mode or not.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Stéphane Marchesin <marcheu@chromium.org>
Cc: Stuart Abercrombie <sabercrombie@google.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The w/a db makes the recommendation to both use a non-default value for
the initial clock and then to retry with an alternative clock for
Haswell with the Lakeport PCH.
"On LPT:H, use a divider value of 63 decimal (03Fh). If there is a
failure, retry at least three times with 63, then retry at least three
times with 72 decimal (048h)."
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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For HPD storm detection we now mask out individual interrupt source
bits. We have already seen a case where HPD interrupt enable bits
were assigned to the wrong pins. To track these conditions more
easily add some debugging messages.
v2: Spelling fixes as suggested by Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Egbert Eich <eich@suse.de>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This fixes a typo which set the wrong vsync and possibly also hsync
polarity for any modes with positive vsync polarity.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Just use a spinlock to protect them.
v2: Rebase onto the new object create refcount fix patch.
v3: Don't kill dev_priv->mm.object_memory as requested by Chris and
hence just use a spinlock instead of atomic_t.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67287
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The TRACE_EVENT_CONDITION is supposed to generate more efficient code
than if (cond) trace(), which is what we are currently using inside the
register access functions.
v2: Rebase onto uncore
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The INTEL_INFO() macro extracts the dev_private pointer from the device,
so passing in the dev_private->dev is a long winded circumlocution.
v2: rebase onto uncore
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Detangle the confusion that NOTRACE variants of the register read/write
routines were directly using the raw register access. We need for those
routines to reuse the common code for serializing register access and
ensuring the correct register power states. This is only possible now
that the only routines that required raw access use their own API.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The GT functions for enabling register access also need to occasionally
write to and read from registers. To avoid the potential recursion as we
modify the public interface to be stricter, introduce a private register
access API for the GT functions.
v2: Rebase
v3: Rebase onto uncore
v4: Use raw interfaces consistently so that we only use the low-level
readN functions from a single location.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Currently, the register access code is split between i915_drv.c and
intel_pm.c. It only bares a superficial resemblance to the reset of the
powermanagement code, so move it all into its own file. This is to ease
further patches to enforce serialised register access.
v2: Scan for random abuse of I915_WRITE_NOTRACE
v3: Take the opportunity to rename the GT functions as uncore. Uncore is
the term used by the hardware design (and bspec) for all functions
outside of the GPU (and CPU) cores in what is also known as the System
Agent.
v4: Rebase onto SNB rc6 fixes
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Wrestle patch into applying and inline
intel_uncore_early_sanitize (plus move the old comment to the new
function). Also keep the _santize postfix for intel_uncore_sanitize.]
[danvet: Squash in fixup spotted by Chris on irc: We need to call
intel_pm_init before intel_uncore_sanitize since the later will call
cancel_work on the delayed rps setup work the former initializes.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://people.freedesktop.org/~airlied/linux'
This backmerges Linus' merge commit of the latest drm-fixes pull:
commit 549f3a1218ba18fcde11ef0e22b07e6365645788
Merge: 42577ca 058ca4a
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue Jul 23 15:47:08 2013 -0700
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
We've accrued a few too many conflicts, but the real reason is that I
want to merge the 100% solution for Haswell concurrent registers
writes into drm-intel-next. But that depends upon the 90% bandaid
merged into -fixes:
commit a7cd1b8fea2f341b626b255d9898a5ca5fabbf0a
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri Jul 19 20:36:51 2013 +0100
drm/i915: Serialize almost all register access
Also, we can roll up on accrued conflicts.
Usually I'd backmerge a tagged -rc, but I want to get this done before
heading off to vacations next week ;-)
Conflicts:
drivers/gpu/drm/i915/i915_dma.c
drivers/gpu/drm/i915/i915_gem.c
v2: For added hilarity we have a init sequence conflict around the
gt_lock, so need to move that one, too. Spotted by Jani Nikula.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This function is called without the dev->struct_mutex held, hence we
need to use the _unlocked unreference variants.
As soon as the object is registered userspace can sneak in here with a
gem_close ioctl call, so the object can (and with my new evil tests
actually does) get the final unreference in this place. The lack of
locking then results in hilarity and some good leakage.
To fix this we simply need to revert
Chris Wilson <chris@chris-wilson.co.uk>
v2: We need to make the trace call _before_ we drop our ref - the
object might very well be gone by then already.
v3: Just revert the original patch as suggested by Chris Wilson.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Remove the added white line again to tighten the return
block, requested by Chris.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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So I made the mistake of missing that the desktop and mobile chipsets
have different layouts in their PCI configurations, and we were
incorrectly setting the wrong physical address for stolen memory on
mobile chipsets.
Since all gen3+ are actually consistent in the location of the GBSM
register in the PCI configuration space on device 2 (the GPU), use it.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
[danvet: Drop cc: stable and fudge conflicts.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Our phys_object code can't deal with stolen memory and so blows up.
Fixing this is quite a bit of work and not worth it much for a single
page object, so just opt-out.
This is necessary prep work to enable stolen on gen2/3 platforms where
the overlay register file isn't stored in the gtt.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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For now there are no callers, but these functions are going to be
needed for the code that allows Package C8+. Other future features may
also require this code.
Also merge the commit which introduced assert_can_disable_lcpll and
had the following commit message:
Most of the hardware needs to be disabled before LCPLL is disabled, so
let's add a function to assert some of items listed in the "Display
Sequences for LCPLL disabling" documentation.
The idea is that hsw_disable_lcpll should not disable the hardware,
the callers need to take care of calling hsw_disable_lcpll only once
everything is already disabled.
v2: - Rebase.
- Fix D_COMP wait timeout.
v3: - Use wait_for_atomic_use (Ben)
- Remove/add a useless/needed POSTING_READ (Ben)
- Early return in case LCPLL is already restored (Ben)
- Add ndelay(100) (Ben)
v4: - Merge the commit that added assert_can_disable_lcpll (Ben)
- Add interrupt assertions (Ben)
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Fix compile fail since there's no HAS_LP_PCH yet.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We currently don't support HDMI clock bending nor use SSC for DP or
HDMI on Haswell, so the only case where we need CLKOUT_DP is for VGA.
v2: - Replace the IS_ULT check for LPT-LP
- Simplify GEN0/DBUFF0 check due to change on the previous patch
- Also check for SBI_SSCCTL_DISABLE (Ben).
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Now it implements 3 different sequences from BSpec and also has
support for ULT.
v2: - Change IS_ULT checks for LPT-LP checks
- Add check for LPT-LP + with_fdi (Ben)
- Merge DBUFF0/GEN0 bit definitions since they're the same
register (Ben)
- DBUFF0 (1<<0) is Disable, not Enable
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This has been broken in
commit 2f63315692b1d3c055972ad33fc7168ae908b97b
Author: Ben Widawsky <ben@bwidawsk.net>
Date: Wed Jul 17 12:19:03 2013 -0700
drm/i915: Create VMAs
which resulted in an OOPS the first time around we've hit -ENOSPC.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67156
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Tested-by: meng <mengmeng.meng@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Try to decypher detection failures is a little tricker at the moment as
the only indicator of progress is when output_poll_execute() tells us
the result after the connector->detect() has run. This patch adds a
telltale to the start of each detect function so that we can track
progress and associate activity more clearly with each connector.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Requested by Chris Wilson on IRC.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Make the uevent strings part of the user API for people who wish to
write their own listeners.
v2: Make a space in the string concatenation. (Chad)
Use the "UEVENT" suffix intead of "EVENT" (Chad)
Make kernel-doc parseable Docbook comments (Daniel)
v3: Undid reset change introduced in last submission (Daniel)
Fixed up comments to address removal changes.
Thanks to Daniel Vetter for a majority of the parity error comments.
CC: Chad Versace <chad.versace@linux.intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It was very similar to ironlake_irq_postinstall, so IMHO merging both
functions results in a code that is easier to maintain.
With this change, all the irq handler vfuncs between ironlake and
ivybridge are now unified.
v2: Add "(" and ")" to make at least one vim user much happier (Chris)
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The IVB funtions are exactly the same as the ILK ones, with the
exception of the bit register. So add IVB/HSW support to
ironlake_enable_vblank and ironlake_disable_vblank, then kill the
ivybridge functions.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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And then rename it to ironlake_irq_handler. Also move
ilk_gt_irq_handler up to avoid forward declarations.
In the previous patches I did small modifications to both
ironlake_irq_handler an ivybridge_irq_handler so they became very
similar functions. Now it should be very easy to verify that all we
need to add ILK/SNB support is to call ilk_gt_irq_handler, call
ilk_display_irq_handler and avoid reading pm_iir on gen 5.
v2: - Rebase due to changes on the previous patches
- Move pm_iir to a tighter scope (Chris)
- Change some Gen checks for readability
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We have this POSTING_READ inside ironlake_irq_handler. I suppose we
also want it on IVB because we want to stop the IRQ handler as soon as
possible at this point.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The ironlake_irq_handler and ivybridge_irq_handler functions do
basically the same thing, but they have different implementation
styles. With this patch we reorganize ironlake_irq_handler in a way
that makes it look very similar to ivybridge_irq_handler.
One of the advantages of this new function style is that we don't
write 0 to the IIR registers anymore.
v2: - Rebase due to changes on previous patches
- Move pm_iir to a tighter scope (Chris)
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The register doesn't exist on Gen 5.
v2: Simplify checks since pm_iir is always 0 on Gen 5 (Chris)
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Just like we did with ilk_display_irq_handler.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It's the code that deals with de_iir.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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