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Patch "ltc/gm107: use nvkm_mask to set cbc_ctrl1" sets the 3rd bit
of the CTRL1 register instead of writing it entirely in
gm107_ltc_cbc_clear(). As a counterpart, gm107_ltc_cbc_wait() must also
be modified to wait on that single bit only, otherwise a timeout may
occur if some other bit of that register is set. This happened at least
on GM206 when running glmark2-drm.
While we are at it, use the more compact nvkm_wait_msec() to wait for
the bit to clear.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The copy_from_user() function returns the number of bytes not copied but
we want to return a negative error code.
Fixes: 463873d57014 ('drm/vc4: Add an API for creating GPU shaders in GEM BOs.')
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
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The original Raspberry Pi had the GPIO active high, but the later
models are active low. The DT GPIO bindings allow specifying the
active flag, except that it doesn't get propagated to the gpiodesc, so
you have to handle it yourself.
Signed-off-by: Eric Anholt <eric@anholt.net>
Tested-by: Daniel Stone <daniels@collabora.com>
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Fixes an error thrown every few seconds when we poll HPD when it's on
a I2C to GPIO expander.
Signed-off-by: Eric Anholt <eric@anholt.net>
Tested-by: Daniel Stone <daniels@collabora.com>
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The hardware provides us with separate threads for binning and
rendering, and the existing model waits for them both to complete
before submitting the next job.
Splitting the binning and rendering submissions reduces idle time and
gives us approx 20-30% speedup with some x11perf tests such as -line10
and -tilerect1. Improves openarena performance by 1.01897% +/-
0.247857% (n=16).
Thanks to anholt for suggesting this.
v2: Rebase on the spurious resets fix (change by anholt).
Signed-off-by: Varad Gautam <varadgautam@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This pull request fixes the major VC4 HDMI modesetting bugs found when
the first wave of users showed up in Raspbian.
* tag 'drm-vc4-fixes-2016-03-03' of github.com:anholt/linux:
drm/vc4: Initialize scaler DISPBKGND on modeset.
drm/vc4: Fix setting of vertical timings in the CRTC.
drm/vc4: Fix the name of the VSYNCD_EVEN register.
drm/vc4: Add another reg to HDMI debug dumping.
drm/vc4: Bring HDMI up from power off if necessary.
drm/vc4: Fix a framebuffer reference leak on async flip interrupt.
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: add DRM_EXYNOS_GEM_MAP ioctl
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Nouveau wanted this to avoid some worse conflicts when I merge that.
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562c5b4d8986 didn't quite fix the issue of dealing with an error
pointer. We can't free/unref an error pointer so reset it to NULL.
Many thanks to Dan Carpenter for pointing this out again.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: dri-devel@lists.freedesktop.org
Fixes: 562c5b4d8986 ("drm: fix blob pointer check")
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1457698646-22231-1-git-send-email-lionel.g.landwerlin@intel.com
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SADs may span multiple CEA audio data blocks in the EDID.
CEA-861-E says:
"The order of the Data Blocks is not constrained. It is also possible
to have more than one of a specific type of data block if necessary to
include all of the descriptors needed to describe the sink’s capabilities."
Each audio data block can carry up to 10 SADs, whereas the ELD SAD limit
is 15 according to HDA 1.0a spec. So we should support at least two data
blocks. And apparently some devices take a more liberal interpretation
and stuff only one SAD per data block even when they would fit into one.
So let's try to extract all the SADs we can fit into the ELD even when
they span multiple data blocks.
While at it, toss in a comment to explain the 13 byte monitor name
string limit which confused me at first.
Cc: Arturo Pérez <artur999555@gmail.com>
Tested-by: Arturo Pérez <artur999555@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94197
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1457554066-8739-1-git-send-email-ville.syrjala@linux.intel.com
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The commit d931589c01a2 ("drm/exynos: remove DRM_EXYNOS_GEM_MAP_OFFSET
ioctl") removed it same with the ioctl that this patch adds. The reason
that removed DRM_EXYNOS_GEM_MAP_OFFSET was we could use
DRM_IOCTL_MODE_MAP_DUMB. Both did exactly same thing.
Now we again will revive it as DRM_EXYNOS_GEM_MAP because of render
node. DRM_IOCTL_MODE_MAP_DUMB isn't permitted in render node.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Pull drm/i915 fixes from Dave Airlie:
"Just two i915 regression fixes, that should be it from me"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/i915: Actually retry with bit-banging after GMBUS timeout
drm/i915: Fix bogus dig_port_map[] assignment for pre-HSW
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git://anongit.freedesktop.org/drm-intel into drm-next
Two i915 regression fixes.
* tag 'drm-intel-fixes-2016-03-11' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Actually retry with bit-banging after GMBUS timeout
drm/i915: Fix bogus dig_port_map[] assignment for pre-HSW
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After the GMBUS transfer times out, we set force_bit=1 and
return -EAGAIN expecting the i2c core to call the .master_xfer
hook again so that we will retry the same transfer via bit-banging.
This is in case the gmbus hardware is somehow faulty.
Unfortunately we left adapter->retries to 0, meaning the i2c core
didn't actually do the retry. Let's tell the core we want one retry
when we return -EAGAIN.
Note that i2c-algo-bit also uses this retry count for some internal
retries, so we'll end up increasing those a bit as well.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: drm-intel-fixes@lists.freedesktop.org
Fixes: bffce907d640 ("drm/i915: abstract i2c bit banging fallback in gmbus xfer")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457366220-29409-2-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 8b1f165a4a8f64c28cf42d10e1f4d3b451dedc51)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Code it similar to how we did it for the gfx and compute engines.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When intel_update_watermarks is called on skylake from the hw
state readout disable function it calls intel_update_watermarks.
intel_update_watermarks inspects crtc->state, which should be
set to disabled.
This wasn't the case, and this resulted in a divide-by-zero in
skl_update_wm when intel_update_watermarks got called.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 295 at drivers/gpu/drm/i915/intel_pm.c:2834
skl_update_pipe_wm+0x102/0x8c0 [i915]()
WARN_ON(!config->num_pipes_active)
Modules linked in: coretemp i915(+)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
CPU: 1 PID: 295 Comm: systemd-udevd Tainted: G U W 4.5.0-rc4
-xxxxxx #25
Hardware name: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
0000000000000000 ffff88003777f5a8 ffffffff813485c2 ffff88003777f5f0
ffffffffa0236240 ffff88003777f5e0 ffffffff81050fce ffff8800aa420000
ffff8800aba18000 ffff8800aba18000 ffff880037304c00 ffff8800aa420000
Call Trace:
[<ffffffff813485c2>] dump_stack+0x67/0x95
[<ffffffff81050fce>] warn_slowpath_common+0x9e/0xc0
[<ffffffff8105103c>] warn_slowpath_fmt+0x4c/0x50
[<ffffffff8106945e>] ? flush_work+0x8e/0x280
[<ffffffff810693d5>] ? flush_work+0x5/0x280
[<ffffffffa016add2>] skl_update_pipe_wm+0x102/0x8c0 [i915]
[<ffffffffa016b96f>] skl_update_wm+0xff/0x5f0 [i915]
[<ffffffff810928ee>] ? trace_hardirqs_on_caller+0x15e/0x1d0
[<ffffffff8109296d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffffa016ce6e>] intel_update_watermarks+0x1e/0x30 [i915]
[<ffffffffa01d3ee2>] intel_crtc_disable_noatomic+0xd2/0x150 [i915]
[<ffffffffa01dd3d2>] intel_modeset_setup_hw_state+0xdd2/0xde0 [i915]
[<ffffffffa01dfd83>] intel_modeset_init+0x15a3/0x1950 [i915]
[<ffffffffa02160b6>] i915_driver_load+0x13c6/0x1720 [i915]
[<ffffffff81522160>] ? add_sysfs_fw_map_entry+0x9b/0x9b
[<ffffffffa00b15ef>] drm_dev_register+0x6f/0xb0 [drm]
[<ffffffffa00b3b3a>] drm_get_pci_dev+0x10a/0x1d0 [drm]
[<ffffffffa01582d9>] i915_pci_probe+0x49/0x50 [i915]
[<ffffffff8138ae30>] pci_device_probe+0x80/0xf0
[<ffffffff8143e2ac>] driver_probe_device+0x1bc/0x3d0
[<ffffffff8143e526>] __driver_attach+0x66/0x90
[<ffffffff8143e4c0>] ? driver_probe_device+0x3d0/0x3d0
[<ffffffff8143be3b>] bus_for_each_dev+0x5b/0xa0
[<ffffffff8143db3e>] driver_attach+0x1e/0x20
[<ffffffff8143d461>] bus_add_driver+0x151/0x270
[<ffffffff8143eabc>] driver_register+0x8c/0xd0
[<ffffffff8138a2ed>] __pci_register_driver+0x5d/0x60
[<ffffffffa00b3c58>] drm_pci_init+0x58/0xf0 [drm]
[<ffffffff8109296d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffffa02aa000>] ? 0xffffffffa02aa000
[<ffffffffa02aa094>] i915_init+0x94/0x9b [i915]
[<ffffffff81000423>] do_one_initcall+0x113/0x1f0
[<ffffffff810a4b21>] ? rcu_read_lock_sched_held+0x61/0x90
[<ffffffff811601dc>] ? kmem_cache_alloc_trace+0x1cc/0x280
[<ffffffff8111110a>] do_init_module+0x60/0x1c8
[<ffffffff810c731b>] load_module+0x1ceb/0x2410
[<ffffffff810c3a60>] ? store_uevent+0x40/0x40
[<ffffffff811763d1>] ? kernel_read+0x41/0x60
[<ffffffff810c7c1d>] SYSC_finit_module+0x8d/0xa0
[<ffffffff810c7c4e>] SyS_finit_module+0xe/0x10
[<ffffffff815f1e97>] entry_SYSCALL_64_fastpath+0x12/0x6f
---[ end trace 1149e9ab3695a423 ]---
------------[ cut here ]------------
Changes since v1:
- Clear state before calling any function after .crtc_disable.
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/56D6FD21.7020907@linux.intel.com
Tested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
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Check properly that the allocated blob's pointer is valid.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Daniel Stone <daniels@collabora.com>
Fixes: 5488dc16fde7 ("drm: introduce pipe color correction properties")
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1457611461-9116-1-git-send-email-lionel.g.landwerlin@intel.com
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Avoid some head spinning by renaming the crtc_state variable to
old_crtc_state.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457543247-13987-6-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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We must wait for the hardware to exit cxsr before doing the plane
update, so add the missing vblank wait to pre_plane_update after
disabling cxsr.
We have the wait for vblank in the pre_disable_primary hook, but not in
the pre_plane_update hook. Just move the code from (and comment) from
pre_disable_primary into pre_plane_update. Well, we still have to keep
it in pre_disable_primary for these strange _noatomic codepaths, so
let's do another version of pre_disable_primary for those. Also toss
in some FIXMEs in the hope that someone will eventually clean up this
pre_disable_primary mess.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457543247-13987-5-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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commit 92826fcdfc14 ("drm/i915: Calculate watermark related members in the crtc_state, v4.")
broke thigns by removing the pre vs. post wm update distinction. We also
lost the pre plane wm update entirely for VLV/CHV from the crtc enable
path.
This caused underruns on modeset and plane enable/disable on CHV,
and often those can lead to a dead pipe.
So let's bring back the pre vs. post thing, and let's toss in an
explicit wm update to valleyview_crtc_enable() to avoid having to
put it into the common code.
This is more or less a partial revert of the offending commit.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: drm-intel-fixes@lists.freedesktop.org
Fixes: 92826fcdfc14 ("drm/i915: Calculate watermark related members in the crtc_state, v4.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457543247-13987-4-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Pass the current crtc state, not the old crtc state, to the
.update_plane() hook.
Noticed on BSW when PRIMSIZE was getting programmed to a stale value
which produced utter garbage on screen eg. wwhen going from 1920x1080
to 1024x768.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: a758e6845825 ("drm/i915: Do not use commit_plane for sprite planes.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457543247-13987-3-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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This reverts commit a38c274faad0ec6aba692e294ec751d04dbba803.
PSR causes all sorts of vblank wait timeouts and whanot on CHV. Disable
it again.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Fixes: a38c274faad0 ("drm/i915: Enable PSR by default on Valleyview and Cherryview.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457543247-13987-2-git-send-email-ville.syrjala@linux.intel.com
Link: http://patchwork.freedesktop.org/patch/msgid/1457543247-13987-2-git-send-email-ville.syrjala@linux.intel.com
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Pull drm fixes from Dave Airlie:
"A few imx fixes I missed from a couple of weeks ago, they still aren't
that big and fix some regression and a fail to boot problem.
Other than that, a couple of regression fixes for radeon/amdgpu, one
regression fix for vmwgfx and one regression fix for tda998x"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
Revert "drm/radeon/pm: adjust display configuration after powerstate"
drm/amdgpu/dp: add back special handling for NUTMEG
drm/radeon/dp: add back special handling for NUTMEG
drm/i2c: tda998x: Choose between atomic or non atomic dpms helper
drm/vmwgfx: Add back ->detect() and ->fill_modes()
drm/radeon: Fix error handling in radeon_flip_work_func.
drm/amdgpu: Fix error handling in amdgpu_flip_work_func.
drm/imx: Add missing DRM_FORMAT_RGB565 to ipu_plane_formats
drm/imx: notify DRM core about CRTC vblank state
gpu: ipu-v3: Reset IPU before activating IRQ
gpu: ipu-v3: Do not bail out on missing optional port nodes
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Not needed any more because we need to protect the elements on the list anyway.
This reverts commit 38bf516c75b4ef0f5c716e05fa9baab7c52d6c39.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Not needed any more because we need to protect the elements on the list anyway.
This reverts commit fe237ed7efec8ac147a4572fdf81173a7f8ddda7.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Not needed any more because we need to protect the elements on the list anyway.
This reverts commit dae6ecf9e6c9b677e577826c3ac665c6dd9c490b.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We not only need to protect the mapping tree and freed list itself,
but also the items on those list.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Off-by-one: last is inclusive, so the maximum is start + max_size - 1
Wrong unit: addr is in bytes, max_size is in pages
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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As observed on Apple iMac10,1, DCE-3.2, RV-730,
link rate of 2.7 Ghz is not selected, because
the args.v1.ucConfig flag setting for 2.7 Ghz
gets overwritten by a following assignment of
the transmitter to use.
Move link rate setup a few lines down to fix this.
In practice this didn't have any positive or
negative effect on display setup on the tested
iMac10,1 so i don't know if backporting to stable
makes sense or not.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Some PX laptops don't provide an ACPI method to control dGPU power. On
those systems, the driver is responsible for handling the dGPU power
state. Disable runtime PM on them until support for this is implemented.
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Some PX laptops don't provide an ACPI method to control dGPU power. On
those systems, the driver is responsible for handling the dGPU power
state. Disable runtime PM on them until support for this is implemented.
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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After the GMBUS transfer times out, we set force_bit=1 and
return -EAGAIN expecting the i2c core to call the .master_xfer
hook again so that we will retry the same transfer via bit-banging.
This is in case the gmbus hardware is somehow faulty.
Unfortunately we left adapter->retries to 0, meaning the i2c core
didn't actually do the retry. Let's tell the core we want one retry
when we return -EAGAIN.
Note that i2c-algo-bit also uses this retry count for some internal
retries, so we'll end up increasing those a bit as well.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: drm-intel-fixes@lists.freedesktop.org
Fixes: bffce907d640 ("drm/i915: abstract i2c bit banging fallback in gmbus xfer")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457366220-29409-2-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Rename dma_*_writecombine() to dma_*_wc(), so that the naming
is coherent across the various write-combining APIs. Keep the
old names for compatibility for a while, these can be removed
at a later time. A guard is left to enable backporting of the
rename, and later remove of the old mapping defines seemlessly.
Build tested successfully with allmodconfig.
The following Coccinelle SmPL patch was used for this simple
transformation:
@ rename_dma_alloc_writecombine @
expression dev, size, dma_addr, gfp;
@@
-dma_alloc_writecombine(dev, size, dma_addr, gfp)
+dma_alloc_wc(dev, size, dma_addr, gfp)
@ rename_dma_free_writecombine @
expression dev, size, cpu_addr, dma_addr;
@@
-dma_free_writecombine(dev, size, cpu_addr, dma_addr)
+dma_free_wc(dev, size, cpu_addr, dma_addr)
@ rename_dma_mmap_writecombine @
expression dev, vma, cpu_addr, dma_addr, size;
@@
-dma_mmap_writecombine(dev, vma, cpu_addr, dma_addr, size)
+dma_mmap_wc(dev, vma, cpu_addr, dma_addr, size)
We also keep the old names as compatibility helpers, and
guard against their definition to make backporting easier.
Generated-by: Coccinelle SmPL
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: airlied@linux.ie
Cc: akpm@linux-foundation.org
Cc: benh@kernel.crashing.org
Cc: bhelgaas@google.com
Cc: bp@suse.de
Cc: dan.j.williams@intel.com
Cc: daniel.vetter@ffwll.ch
Cc: dhowells@redhat.com
Cc: julia.lawall@lip6.fr
Cc: konrad.wilk@oracle.com
Cc: linux-fbdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: luto@amacapital.net
Cc: mst@redhat.com
Cc: tomi.valkeinen@ti.com
Cc: toshi.kani@hp.com
Cc: vinod.koul@intel.com
Cc: xen-devel@lists.xensource.com
Link: http://lkml.kernel.org/r/1453516462-4844-1-git-send-email-mcgrof@do-not-panic.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Include DPLL0 in the managed dplls for SKL/KBL. While it has to be kept
enabled because of it driving CDCLK, it is better to special case that
inside the DPLL code than in the higher level.
v2: Use INTEL_DPLL_ALWAYS_ON flag. (Ander)
v3: Remove extremely paranoid WARN_ONs. (Maarten)
Handle DPLL0 in skylake_get_ddi_pll() properly. (Ander)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-14-git-send-email-ander.conselvan.de.oliveira@intel.com
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Manage the LCPLLs used with DisplayPort, so that all the HSW/BDW DPLLs
are managed by the shared dpll code.
v2: Introduce INTEL_DPLL_ALWAYS_ON flag to please state checker. (Ander)
v3: Initialize pll->flags in intel_shared_dpll_init(). (Ander)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-13-git-send-email-ander.conselvan.de.oliveira@intel.com
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Move the code for configurating BXT plls into the shared dpll code, so
that the platform specific details are hidden behind that interface.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-12-git-send-email-ander.conselvan.de.oliveira@intel.com
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Move the code for selecting plls for SKL/KLB into the shared dpll code,
so that the platform specific details are hidden behind that interface.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-11-git-send-email-ander.conselvan.de.oliveira@intel.com
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Move the code for selecting and configuring HSW/BDW DDI PLLs into the
shared dpll infrastructure. With this most of the PLL selection logic
for those platforms is in one place. DisplayPort is handled separately,
but that should be fixed on a follow up patch. It also allows a small
clean up of the SPLL logic.
v2: Rebase.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-10-git-send-email-ander.conselvan.de.oliveira@intel.com
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The function intel_get_shared_dpll() had a more or less generic
implementation with some platform specific checks to handle smaller
differences between platforms. However, the minimalist approach forces
bigger differences between platforms to be implemented outside of the
shared dpll code (see the *_ddi_pll_select() functions in intel_ddi.c,
for instance).
This patch changes the implementation of intel_get_share_dpll() so that
a completely platform specific version can be used, providing helpers to
reduce code duplication. This should allow the code from the ddi pll
select functions to be moved, and also make room for making more dplls
managed by the shared dpll infrastructure.
v2: WARN_ON(!dpll_mgr) in intel_get_shared_dpll(). (Maarten)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-9-git-send-email-ander.conselvan.de.oliveira@intel.com
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Use a table to store the per-platform shared dpll information in one
place. This way, there is no need for platform specific init funtions.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-8-git-send-email-ander.conselvan.de.oliveira@intel.com
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Move shared dpll function prototype together with other shared dpll
definitions.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-7-git-send-email-ander.conselvan.de.oliveira@intel.com
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Move the declarations related to shared dplls from i915_drv.h to their
own header file.
The code that became the shared dpll infrastructre was first introcude
in commit ee7b9f93fd96 ("drm/i915: manage PCH PLLs separately from
pipes"), hence the 2012-2016 copyright years in the new header file.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-6-git-send-email-ander.conselvan.de.oliveira@intel.com
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Change the type of intel_crtc_state->shared_dpll to be a pointer to a
shared dpll. With this there is no need to first convert the id stored
in the crtc state to a pointer in order to use it. It does introduce a
bit of hassle on doing the opposite.
The long term objective is to hide details about dpll ids behind the
shared dpll interface.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-5-git-send-email-ander.conselvan.de.oliveira@intel.com
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Make the code neater by splitting the code for platforms with fixed PLL
to their own functions and splitting the logic for finding a shareable
or unused pll from the logic for setting it up.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-4-git-send-email-ander.conselvan.de.oliveira@intel.com
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No functional changes.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-3-git-send-email-ander.conselvan.de.oliveira@intel.com
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Create the new file intel_dpll_mgr.c and move the shared dpll code to
it. Follow up patches that reorganize pll handling will move more code
there and tweak the interface.
No functional changes.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-2-git-send-email-ander.conselvan.de.oliveira@intel.com
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The raw watermark values are needed when planes are not part of the state,
but this introduced a regression and possibly an overflow when merging
the watermarks because invalid values may end up used. Solve this by calculating
raw watermarks for all levels, and only setting non-zero values when the level
is valid.
Fixes the SNB warning:
WARNING: CPU: 1 PID: 25405 at drivers/gpu/drm/i915/intel_pm.c:2580 ilk_program_watermarks+0x7b2/0x9d0 [i915]()
WARN_ON(wm_lp != 1)
Modules linked in: i915 drm_kms_helper drm bluetooth fuse iTCO_wdt iTCO_vendor_support syscopyarea sysfillrect sysimgblt fb_sys_fops tpm_tis mei_me e1000e snd_hda_codec_hdmi pcspkr tpm mei i2c_i801 lpc_ich snd_hda_codec snd_hda_core
CPU: 1 PID: 25405 Comm: kms_universal_p Tainted: G U W 4.5.0-rc6apollolake+ #462
Hardware name: /DH67GD, BIOS BLH6710H.86A.0160.2012.1204.1156 12/04/2012
0000000000000000 ffff88009d42b918 ffffffff8143cfab ffff88009d42b960
ffffffffa0363580 ffff88009d42b950 ffffffff81082746 ffff8800b9a24928
ffff88009d42ba00 ffff88009d4a0000 0000000000000000 ffff88009d42ba6c
Call Trace:
[<ffffffff8143cfab>] dump_stack+0x4d/0x72
[<ffffffff81082746>] warn_slowpath_common+0x86/0xc0
[<ffffffff810827cc>] warn_slowpath_fmt+0x4c/0x50
[<ffffffffa0292862>] ilk_program_watermarks+0x7b2/0x9d0 [i915]
[<ffffffffa0292cb7>] ilk_initial_watermarks+0x107/0x120 [i915]
[<ffffffffa02feffa>] intel_pre_plane_update+0x12a/0x190 [i915]
[<ffffffffa02ffb36>] intel_atomic_commit+0x546/0xd50 [i915]
[<ffffffffa012c9e7>] drm_atomic_commit+0x37/0x60 [drm]
[<ffffffffa0217361>] drm_atomic_helper_disable_plane+0xb1/0xf0 [drm_kms_helper]
[<ffffffffa011cdb4>] __setplane_internal+0x184/0x280 [drm]
[<ffffffffa012b57a>] ? drm_modeset_lock_all_ctx+0x9a/0xb0 [drm]
[<ffffffffa012010f>] drm_mode_setplane+0x13f/0x1c0 [drm]
[<ffffffffa0111b52>] drm_ioctl+0x142/0x590 [drm]
[<ffffffffa011ffd0>] ? drm_plane_check_pixel_format+0x50/0x50 [drm]
[<ffffffff811f2744>] ? mntput+0x24/0x40
[<ffffffff811d28d4>] ? __fput+0x194/0x200
[<ffffffffa012dec3>] drm_compat_ioctl+0x33/0x40 [drm]
[<ffffffffa029e1c2>] i915_compat_ioctl+0x32/0x40 [i915]
[<ffffffff81228d72>] compat_SyS_ioctl+0xc2/0x330
[<ffffffff810021d5>] ? exit_to_usermode_loop+0x95/0xb0
[<ffffffff81002d2e>] do_fast_syscall_32+0x9e/0x210
[<ffffffff8197faf2>] entry_SYSENTER_compat+0x52/0x70
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Testcase: kms_universal_plane
Fixes: d81f04c5ef ("drm/i915: Allow preservation of watermarks, v2.")
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/56DEA1FC.8080703@linux.intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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The DSI power domain was missing from BXT power well 1 definitions,
failing to get the power well for DSI transcoders. As pipe A is in the
same power well as DSI transcoders, the problem should only occur with
pipes B and C.
According to Ville, this is basically a nop since pw1 is under dmc
control. But given that we still have this stuff defined here, it's
clearly correct to include DSI here.
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Deepak M <m.deepak@intel.com>
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/1457463656-29357-1-git-send-email-jani.nikula@intel.com
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Introduce PCI_VENDOR/PCI_SUBVENDOR/PCI_SUBDEVICE defines to replace the
constants scattered in the kernel already used to detect QEMU.
They are defined in the QEMU codebase per docs/specs/pci-ids.txt.
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.pengutronix.de/git/pza/linux into drm-fixes
ipu-v3 probe and imx-drm crtc and plane fixes
- Fix ipu probe if optional port nodes are not present in the device tree
- Reset the ipu before initializing interrupts, not thereafter
- Notify DRM core about the state of vblank interrupts
- Add missing RGB565 format to the list of plate formats
* tag 'imx-drm-fixes-2016-02-19' of git://git.pengutronix.de/git/pza/linux:
drm/imx: Add missing DRM_FORMAT_RGB565 to ipu_plane_formats
drm/imx: notify DRM core about CRTC vblank state
gpu: ipu-v3: Reset IPU before activating IRQ
gpu: ipu-v3: Do not bail out on missing optional port nodes
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