The changes since the sequence block v2 are:
* The whole MIPI bios data block has a separate 32-bit size field since
v3, stored after the version. This facilitates big sequences.
* The size of the panel specific sequence blocks has grown to 32
bits. This facilitates big sequences.
* The elements within sequences now have an 8-bit size field following
the operation byte. This facilitates skipping unknown new operation
bytes, i.e. forward compatibility.
v2 (of the patch): use DRM_ERROR for unknown operation byte
v3 (of the patch): even more bounds checking (Ville)
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452518102-3154-1-git-send-email-jani.nikula@intel.com
Have get_blocksize() support the special case of MIPI sequence block v3+
which has a separate field for size. Provide and use abstractions for
getting the blocksize given a pointer to the block "envelope",
i.e. pointer to the block id, and given a pointer to the block payload
data.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/e935bd5e119a83dd91214c47e6cd4f6ce8b2a17e.1450702954.git.jani.nikula@intel.com
Make the validation function a boolean operating on a buffer of given
size, removing the extra pointer dances.
Move the OpRegion based VBT validation to intel_opregion_setup(), only
initializing opregion->vbt if it's valid.
v2: move logging about valid VBT to opregion setup too (Ville)
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450178175-27420-1-git-send-email-jani.nikula@intel.com
The decision about which source will be used for VBT is done in
intel_parse_bios(), not in the VBT validation function. Make the VBT
validation function strictly about validation, and move the debug
logging to where it logically belongs.
Also split the logging about where the valid VBT was found and what the
signature is. This will make even more sense in the future when the
validation for ACPI OpRegion based VBT takes place at OpRegion setup
time.
v2: Split logging about VBT signature and BDB version.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450178092-27148-1-git-send-email-jani.nikula@intel.com
Unfortunatey there appear to quite a few HSW/BDW machines (eg.
NUCs, Brix Pro) in the wild with LPT/WPT-H that have no physical
CRT connector and non-working FDI. FDI training fails every
single time on these machines. Dunno, maybe they just didn't
bother wiring it up or something?
Unfortunately all the fuse bits and whatnot are telling us that
the CRT connector is present. And so what we get from this is tons
of false positives from the CI systems due to VGA connector forcing.
I've not found any way to detect this purely from hardware, so we
have to resort to looking at the VBT int_crt_support bit. We used
to check this bit on all platforms, but that broke all the old
machines, so the check was then restricted to VLV only in
commit 84b4e042c4 ("drm/i915: only apply crt_present check on VLV")
Considering HSW and VLV VBT probably got defined around the same time,
it should be reasonably safe to assume that the bits is sane for
HSW/BDW as well. At least I have one copy of some VBT spec here that
says it's meant for both VLV and HSW, and it knows about the bit
(lists it being valid from version 155 onwards). Also I have two
desktop machines with actual CRT ports and both have
int_crt_support==1 in their VBTs.
Also we already trust VBT >= 155 to tell us various details about
the DDI ports, so trusting it a bit more seems reasonable.
As far as VLV goes, the added VBT version check should be fine. Even
if someone has some weird VLV machine with a very old VBT version,
it just means they'll end up with a shadow CRT connector. IIRC the
reason for eliminating the shadow CRT connector on VLV was to speed
up display probing rather than fixing something more serious.
v2: Move the platform checks into the VBT parsing code
Also check that the VBT version is at least 155
v3: Improve commit message (Paulo)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449005493-15487-1-git-send-email-ville.syrjala@linux.intel.com
i915 expects the OpRegion to be cached (i.e. not __iomem), so explicitly
map it with memremap rather than the implied cache setting of
acpi_os_ioremap().
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Backmerge to catch up with 4.3. slightly more involved conflict in the
irq code, but nothing beyond adjacent changes.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
The VBT MIPI Sequence Block version 3 has forward incompatible changes:
First, the block size in the header has been specified reserved, and the
actual size is a separate 32-bit value within the block. The current
find_section() function to will only look at the size in the block
header, and, depending on what's in that now reserved size field,
continue looking for other sections in the wrong place.
Fix this by taking the new block size field into account. This will
ensure that the lookups for other sections will work properly, as long
as the new 32-bit size does not go beyond the opregion VBT mailbox size.
Second, the contents of the block have been completely
changed. Gracefully refuse parsing the yet unknown data version.
Cc: Deepak M <m.deepak@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Deepak M <m.deepak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
These registers exist only before GEN5, so currently we may access
undefined registers on VLV/CHV and BXT. Apply the workaround only pre
GEN5.
Since the workaround is relevant only when LVDS is present, for clarity
apply it only if this is the case.
This triggered an unclaimed register access warning on BXT.
v2: (Ville)
- move the workaround to the LVDS init code
- print a debug note about the workaround
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
There are OEMs using DDI-E out there,
so let's enable it.
Unfortunately there is no detection bit for DDI-E
So we need to rely on VBT for that.
I also need to give credits to Xiong since before seing
his approach to check info->support_* I was creating an ugly
vbt->ddie_sfuse_strap in order to propagate the ddi presence info
v2: Rebased as last patch in the series. since all other patches
in this series are needed for anything working propperly on DDI-E.
Credits-to: "Zhang, Xiong Y" <xiong.y.zhang@intel.com>
Cc: "Zhang, Xiong Y" <xiong.y.zhang@intel.com>
Reviewed-by: Xiong Zhang <xiong.y.zhang@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
DDI-E doesn't have the correspondent GMBUS pin.
We rely on VBT to tell us which one it being used instead.
The DVI/HDMI on shared port couldn't exist.
This patch isn't tested without hardware wchich has HDMI
on DDI-E.
v2: fix trailing whitespace
v3: MISSING_CASE take place of BUG()
Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
VBT version 196 increased the size of common_child_dev_config. The
parser code assumed that the size of this structure would not change.
The modified code now copies the amount needed based on the VBT version,
and emits a debug message if the VBT version is unknown (too new); since
the struct config block won't shrink in newer versions it should be
harmless to copy the maximum known size in such cases, so that's what we
do, but emitting the warning is probably sensible anyway.
In the longer run it might make sense to modify the parser code to use a
version/feature mapping, rather than hardcoding things like this, but
for now the variants are fairly manageable.
This fixes a regression introduced in
commit 75067ddecf
Author: Antti Koskipaa <antti.koskipaa@linux.intel.com>
Date: Fri Jul 10 14:10:55 2015 +0300
drm/i915: Per-DDI I_boost override
since that commit changed the child device config size without updating
the checks and memcpy.
v2: Stricter size checks
v3 by Jani:
- Keep the checks strict, and warnigns verbose, but keep going anyway.
- Take care to copy the max amount of child device config we can.
- Fix the messages.
Signed-off-by: David Weinehall <david.weinehall@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
commit 75067ddecf
Author: Antti Koskipaa <antti.koskipaa@linux.intel.com>
Date: Fri Jul 10 14:10:55 2015 +0300
drm/i915: Per-DDI I_boost override
increased size of union child_device_config without taking into account
the size check in parse_sdvo_device_mapping(). Switch the function over
to using the legacy struct only.
Fixes: 75067ddecf ("drm/i915: Per-DDI I_boost override")
Cc: Antti Koskipaa <antti.koskipaa@linux.intel.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Merge tag 'v4.2-rc8' into drm-next
Linux 4.2-rc8
Backmerge required for Intel so they can fix their -next tree up properly.
This reverts
commit 047fe6e6db
Author: David Weinehall <david.weinehall@linux.intel.com>
Date: Tue Aug 4 16:55:52 2015 +0300
drm/i915: Allow parsing of variable size child device entries from VBT
That commit is not valid for v4.2, however it will be valid for v4.3. It
was simply queued too early.
The referenced regressing commit is just fine until the size of struct
common_child_dev_config changes, and that won't happen until
v4.3. Indeed, the expected size checks here rely on the increased size
of the struct, breaking new platforms.
Fixes: 047fe6e6db ("drm/i915: Allow parsing of variable size child device entries from VBT")
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
An OEM may request increased I_boost beyond the recommended values
by specifying an I_boost value to be applied to all swing entries for
a port. These override values are specified in VBT.
v2: rebase and remove unused iboost_bit variable
Issue: VIZ-5676
Signed-off-by: Antti Koskipaa <antti.koskipaa@linux.intel.com>
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Backmerge drm-intel-fixes because a bunch of atomic patch backporting
we had to do lead to horrible conflicts.
Conflicts:
drivers/gpu/drm/drm_crtc.c
Just a bit of context conflict between -next and -fixes.
drivers/gpu/drm/i915/intel_atomic.c
drivers/gpu/drm/i915/intel_display.c
Atomic conflicts, always pick the code from -next.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
There is no correspondent Aux channel for DDI-E.
So we need to rely on VBT to let us know witch one
is being used instead.
v2: Removing some trailing spaces and giving proper
credit to Xiong that added a nice way to avoid port
conflicts by setting supports_dp = 0 when using
equivalent aux for DDI-E.
Credits-to: Xiong Zhang <xiong.y.zhang@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Xiong Zhang <xiong.y.zhang@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
VBT version 196 increased the size of common_child_dev_config. The parser
code assumed that the size of this structure would not change.
The modified code now copies the amount needed based on the VBT version,
and emits a debug message if the VBT version is unknown (too new);
since the struct config block won't shrink in newer versions it should
be harmless to copy the maximum known size in such cases, so that's
what we do, but emitting the warning is probably sensible anyway.
In the longer run it might make sense to modify the parser code to
use a version/feature mapping, rather than hardcoding things like this,
but for now the variants are fairly managable.
This fixes a regression introduced in
commit 90e4f1592b
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Mar 25 18:45:58 2015 +0200
drm/i915: Fix the VBT child device parsing for BSW
since we're hitting a DRM_ERROR on older platforms with this.
v2: Stricter size checks
Signed-off-by: David Weinehall <david.weinehall@linux.intel.com>
[danvet: Fixup format string.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
With the new DRRS code it kinda sticks out, and we never managed to
get this to work well enough without causing issues. Time to wave
goodbye.
I've decided to keep the logic for programming the reduced clocks
intact, but everything else is gone. If anyone ever wants to resurrect
this we need to redo it all anyway on top of the frontbuffer tracking.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Add one explicit discard of __iomem address space qualifier in
validate_vbt(), and respect it otherwise. This adds clarity in the code,
and reduces the sparse warnings from the module to just one.
Quoting Daniel, "The vbt really is plain old memory. Except that it's
reserved in the e820 table as something special and hence treated as io
range by the kernel. But it is memory, hence casting away the __iomem is
imo the right approach."
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
We never pass a non-NULL vbt to validate_vbt, and we can safely expect
the callers to not change.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Make input and output of validate_vbt const, and fix the fallout. We
shouldn't modify the VBT, so make the compiler help us here.
v2: use pointer arithmetics on void* to simplify (Ville)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Make input and output of find_section const, and fix the fallout. We
shouldn't modify the VBT, so make the compiler help us here.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This provides an option to override the value set by VBT
for selecting edp Vswing Pre-emph setting table.
v2: Adding comment about this being a temporary workaround and
making the parameter read-only (Jani)
v3: Changing mode to 0400 instead of 0 (Jani)
https://bugs.freedesktop.org/show_bug.cgi?id=89554
Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Recent BSW VBT has a VBT child device size 37 bytes instead of the 33
bytes our code assumes. This means we fail to parse the VBT and thus
fail to detect eDP ports properly and just register them as DP ports
instead.
Fix it up by using the reported child device size from the VBT instead
of assuming it matches out struct defintions.
The latest spec I have shows that the child device size should be 36
bytes for rev >= 195, however on my BSW the size is actually 37 bytes.
And our current struct definition is 33 bytes.
Feels like the entire VBT parses would need to be rewritten to handle
changes in the layout better, but for now I've decided to do just the
bare minimum to get my eDP port back.
Cc: Vijay Purushothaman <vijay.a.purushothaman@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This will be helpful for adding future platforms. It is better to keep
the information in the single point of truth (the table) instead of
duplicating it into the validity function.
While at it, add dev_priv parameter to the function, also to prepare for
adding future platform support.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Rename intel_gmbus_is_port_valid to intel_gmbus_is_valid_pin, and rename
port parameters to pin as well. This matches usage all around, as
usually a pin is passed to the validity check function. No functional
changes.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The specs refer to pin pairs. Start moving towards using pin rather than
port all around to avoid confusion. No functional changes.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
v2: Adding VBT version check for low_vswing field, and correcting parsing
v3: (Damien)
- Restrain the scope of the 'vswing' variable
- Use the more idiomatic "ev_priv->vbt.edp_low_vswing = vswing == 0;"
instead of if (foo) var = true; else var = false;
- Shorten edp_vswing_premph_setting to edp_vswing_premph to fit in 80 chars
- Add the version from which the edp_vswing_premph field is valid in the
struct definition
Reviewed-by: Satheeshakrishna M <satheeshakrishna.m@intel.com> (v2)
Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This reverts commit 371abae844.
This data seems unreliable and causing many issues and blocking other
teams and feature implementation. Safest way is to revert that for now.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88081
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88039
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87671
Cc: Vandana Kannan <vandana.kannan@intel.com>
Cc: Deepak M <m.deepak@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Kristian Høgsberg <hoegsberg@gmail.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
LFP brighness control from the VBT block 43 indicates which
controller is used for brightness.
LFP1 brightness control method:
Bit 7-4 = This field controller number of the brightnes controller.
0 = Controller 0
1 = Controller 1
2 = Controller 2
3 = Controller 3
Others = Reserved
Bits 3-0 = This field specifies the brightness control pin to be used on the
platform.
0 = PMIC pin is used for brightness control
1 = LPSS PWM is used for brightness control
2 = Display DDI is used for brightness control
3 = CABC method to control brightness
Others = Reserved
Adding the above fields in dev_priv->vbt and corresponding changes in
parse_backlight()
v2: Jani's review comments addressed
- Move PWM definitions to intel_bios.h
- Moving vbt_version to intel_vbt_data
- Rename brightness to bl_ctrl_data
- Logging just control_pin instead of string
- Avoid adding vbt_version in dev_priv
- Since only DDI option is available as of now, let control pin DDI
affect dev_priv->vbt.backlight.present
v3: Jani's review comments addressed
- Drop control_pin
- Use bdb->version
- set controller to 0 instead of using control pin define
- check controller bounds
- remove superfluous changes in intel_parse_bios
Signed-off-by: Deepak M <m.deepak@intel.com>
Signed-off-by: Vandana Kannan <vandana.kannan@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
PSR (aka SRD) block is defined at VBT and currently being used.
Mainly/At-least to configure the amount of idle_frames require to get
back to PSR Entry.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Pull drm updates from Dave Airlie:
"This is the main git pull for the drm,
I pretty much froze major pulls at -rc5/6 time, and haven't had much
fallout, so will probably continue doing that.
Lots of changes all over, big internal header cleanup to make it clear
drm features are legacy things and what are things that modern KMS
drivers should be using. Also big move to use the new generic fences
in all the TTM drivers.
core:
atomic prep work,
vblank rework changes, allows immediate vblank disables
major header reworking and cleanups to better delinate legacy
interfaces from what KMS drivers should be using.
cursor planes locking fixes
ttm:
move to generic fences (affects all TTM drivers)
ppc64 caching fixes
radeon:
userptr support,
uvd for old asics,
reset rework for fence changes
better buffer placement changes,
dpm feature enablement
hdmi audio support fixes
intel:
Cherryview work,
180 degree rotation,
skylake prep work,
execlist command submission
full ppgtt prep work
cursor improvements
edid caching,
vdd handling improvements
nouveau:
fence reworking
kepler memory clock work
gt21x clock work
fan control improvements
hdmi infoframe fixes
DP audio
ast:
ppc64 fixes
caching fix
rcar:
rcar-du DT support
ipuv3:
prep work for capture support
msm:
LVDS support for mdp4, new panel, gpu refactoring
exynos:
exynos3250 SoC support, drop bad mmap interface,
mipi dsi changes, and component match support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (640 commits)
drm/mst: rework payload table allocation to conform better.
drm/ast: Fix HW cursor image
drm/radeon/kv: add uvd/vce info to dpm debugfs output
drm/radeon/ci: add uvd/vce info to dpm debugfs output
drm/radeon: export reservation_object from dmabuf to ttm
drm/radeon: cope with foreign fences inside the reservation object
drm/radeon: cope with foreign fences inside display
drm/core: use helper to check driver features
drm/radeon/cik: write gfx ucode version to ucode addr reg
drm/radeon/si: print full CS when we hit a packet 0
drm/radeon: remove unecessary includes
drm/radeon/combios: declare legacy_connector_convert as static
drm/radeon/atombios: declare connector convert tables as static
drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table
drm/radeon/dpm: drop clk/voltage dependency filters for BTC
drm/radeon/dpm: drop clk/voltage dependency filters for CI
drm/radeon/dpm: drop clk/voltage dependency filters for SI
drm/radeon/dpm: drop clk/voltage dependency filters for NI
drm/radeon: disable audio when we disable hdmi (v2)
drm/radeon: split audio enable between eg and r600 (v2)
...
- final bits (again) for the rotation support (Sonika Jindal)
- support bl_power in the intel backlight (Jani)
- vdd handling improvements from Ville
- i830M fixes from Ville
- piles of prep work all over to make skl enabling just plug in (Damien, Sonika)
- rename DP training defines to reflect latest edp standards, this touches all
drm drivers supporting DP (Sonika Jindal)
- cache edids during single detect cycle to avoid re-reading it for e.g. audio,
from Chris
- move w/a for registers which are stored in the hw context to the context init
code (Arun&Damien)
- edp panel power sequencer fixes, helps chv a lot (Ville)
- piles of other chv fixes all over
- much more paranoid pageflip handling with stall detection and better recovery
from Chris
- small things all over, as usual
* tag 'drm-intel-next-2014-09-05' of git://anongit.freedesktop.org/drm-intel: (114 commits)
drm/i915: Update DRIVER_DATE to 20140905
drm/i915: Decouple the stuck pageflip on modeset
drm/i915: Check for a stalled page flip after each vblank
drm/i915: Introduce a for_each_plane() macro
drm/i915: Rewrite ABS_DIFF() in a safer manner
drm/i915: Add comments explaining the vdd on/off functions
drm/i915: Move DP port disable to post_disable for pch platforms
drm/i915: Enable DP port earlier
drm/i915: Turn on panel power before doing aux transfers
drm/i915: Be more careful when picking the initial power sequencer pipe
drm/i915: Reset power sequencer pipe tracking when disp2d is off
drm/i915: Track which port is using which pipe's power sequencer
drm/i915: Fix edp vdd locking
drm/i915: Reset the HEAD pointer for the ring after writing START
drm/i915: Fix unsafe vma iteration in i915_drop_caches
drm/i915: init sprites with univeral plane init function
drm/i915: Check of !HAS_PCH_SPLIT() in PCH transcoder funcs
drm/i915: Use HAS_GMCH_DISPLAY un underrun reporting code
drm/i915: Use IS_BROADWELL() instead of IS_GEN8() in forcewake code
drm/i915: Don't call gen8_fbc_sw_flush() on chv
...
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drm: backmerge tag 'v3.17-rc5' into drm-next
This is requested to get the fixes for intel and radeon into the
same tree for future development work.
i915_display.c: fix missing dev_priv conflict.
Rename the defines to have levels instead of values for vswing and
pre-emph levels as the values may differ in other scenarios like low vswing of
eDP1.4 where the values are different.
Done using following cocci patch for each define:
@@
@@
# define DP_TRAIN_VOLTAGE_SWING_400 (0 << 0)
+ # define DP_TRAIN_VOLTAGE_SWING_LEVEL_0 (0 << 0)
...
Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
