Commit graph

38454 commits

Author SHA1 Message Date
Ben Skeggs
d324c5bc46 drm/nouveau/kms/nv50: use the correct state for base channel notifier setup
Fixes: 857263 ("drm/nouveau: Handle drm_atomic_helper_swap_state failure")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Lyude Paul <lyude@redhat.com>
Reviewed by: Lyude Paul <lyude@redhat.com>
2017-11-01 09:18:33 +10:00
Dave Airlie
2cb3a34abd Merge tag 'drm-intel-fixes-2017-10-18-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Fix for stable:

- Fix DDI translation tables for BDW (Chris).

Critical fix:

- Fix GPU Hang on GVT (Changbin).

Other fixes:

- Fix eviction when GGTT is idle (Chris).
- CNL PLL fixes (Rodrigo).
- Fix pwrite into shmemfs (Chris).
- Mask bits for BXT and CHV L3 Workaround
  WaProgramL3SqcReg1Default (Oscar).

* tag 'drm-intel-fixes-2017-10-18-1' of git://anongit.freedesktop.org/drm/drm-intel:
  drm/i915: Use a mask when applying WaProgramL3SqcReg1Default
  drm/i915: Report -EFAULT before pwrite fast path into shmemfs
  drm/i915/cnl: Fix PLL initialization for HDMI.
  drm/i915/cnl: Fix PLL mapping.
  drm/i915: Use bdw_ddi_translations_fdi for Broadwell
  drm/i915: Fix eviction when the GGTT is idle but full
  drm/i915/gvt: Fix GPU hang after reusing vGPU instance across different guest OS
2017-10-19 15:00:47 +10:00
Dave Airlie
3eea56cc5a Merge branch 'drm-fixes-4.14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Single amdgpu regression fix.

* 'drm-fixes-4.14' of git://people.freedesktop.org/~agd5f/linux:
  Revert "drm/amdgpu: discard commands of killed processes"
2017-10-19 10:02:26 +10:00
Dave Airlie
a3a3d47935 Merge branch 'linux-4.14' of git://github.com/skeggsb/linux into drm-fixes
some nouveau fixes.

* 'linux-4.14' of git://github.com/skeggsb/linux:
  drm/nouveau/fbcon: fix oops without fbdev emulation
  drm/nouveau/kms/nv50: fix oops during DP IRQ handling on non-MST boards
  drm/nouveau/bsp/g92: disable by default
  drm/nouveau/mmu: flush tlbs before deleting page tables
2017-10-19 08:09:57 +10:00
Pavel Roskin
4813766325 drm/nouveau/fbcon: fix oops without fbdev emulation
This is similar to an earlier commit 52dfcc5ccf ("drm/nouveau: fix for
disabled fbdev emulation"), but protects all occurrences of helper.fbdev
in the source.

I see oops in nouveau_fbcon_accel_save_disable() called from
nouveau_fbcon_set_suspend_work() on Linux 3.13 when
CONFIG_DRM_FBDEV_EMULATION option is disabled.

Signed-off-by: Pavel Roskin <plroskin@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2017-10-19 07:27:55 +10:00
Alex Deucher
c94501279b Revert "drm/amdgpu: discard commands of killed processes"
This causes instability in piglit.  It's fixed in drm-next with:
515c6faf85
1650c14b45
214a91e6bf
29d2535535
7986746263

This reverts commit 6af0883ed9.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-10-18 12:57:47 -04:00
Oscar Mateo
dd00ed9eff drm/i915: Use a mask when applying WaProgramL3SqcReg1Default
Otherwise we are blasting other bits in GEN8_L3SQCREG1 that might be important
(although we probably aren't at the moment because 0 seems to be the default
for all the other bits).

v2: Extra parentheses (Michel)

Fixes: 050fc46 ("drm/i915:bxt: implement WaProgramL3SqcReg1DefaultForPerf")
Fixes: 450174f ("drm/i915/chv: Tune L3 SQC credits based on actual latencies")
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1508271945-14961-1-git-send-email-oscar.mateo@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 930a784d02)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-18 08:12:51 -07:00
Chris Wilson
ca8d782205 drm/i915: Report -EFAULT before pwrite fast path into shmemfs
When pwriting into shmemfs, the fast path pagecache_write does not
notice when it is writing to beyond the end of the truncated shmemfs
inode. Report -EFAULT directly when we try to use pwrite into the
!I915_MADV_WILLNEED object.

Fixes: 7c55e2c577 ("drm/i915: Use pagecache write to prepopulate shmemfs from pwrite-ioctl")
Testcase: igt/gem_madvise/dontneed-before-pwrite
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016202732.25459-1-chris@chris-wilson.co.uk
(cherry picked from commit a6d65e451c)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-18 08:11:35 -07:00
Rodrigo Vivi
038daf5556 drm/i915/cnl: Fix PLL initialization for HDMI.
HDMI Mode selection on CNL is on CFGCR0 for that PLL, not
on in a global CTRL1 as it was on SKL.

The original patch addressed this difference, but leaving behind
this single entry here. So we were checking the wrong bits during
the PLL initialization and consequently avoiding the CFGCR1 setup
during HDMI initialization. Luckly when only HDMI was in use BIOS
had already setup this for us. But the dual display with hot plug
were messed up.

Fixes: a927c927de ("drm/i915/cnl: Initialize PLLs")
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Kahola, Mika <mika.kahola@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: James Ausmus <james.ausmus@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171003220859.21352-3-rodrigo.vivi@intel.com
(cherry picked from commit 614ee07acf)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-16 17:11:06 -07:00
Rodrigo Vivi
41e64c1ac7 drm/i915/cnl: Fix PLL mapping.
On PLL Enable sequence we need to "Configure DPCLKA_CFGCR0 to turn on
the clock for the DDI and map the DPLL to the DDI"

So we first do the map and then we unset DDI_CLK_OFF to turn the clock
on. We do this in 2 separated steps.

However, on this second step where we should only unset the off bit we are
also unmapping the ddi from the pll. So we end up using the pll 0
for almost everything. Consequently breaking cases with more than one
display.

Fixes: 555e38d273 ("drm/i915/cnl: DDI - PLL mapping")
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Kahola, Mika <mika.kahola@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: James Ausmus <james.ausmus@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171003220859.21352-2-rodrigo.vivi@intel.com
(cherry picked from commit 87145d95c3)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-16 17:11:02 -07:00
Chris Wilson
fbe776cc3a drm/i915: Use bdw_ddi_translations_fdi for Broadwell
The compiler warns:

	drivers/gpu/drm/i915/intel_ddi.c:118:35: warning: ‘bdw_ddi_translations_fdi’ defined but not used

Lo and behold, if we look at intel_ddi_get_buf_trans_fdi(), it uses
hsw_ddi_translations_fdi[] for both Haswell and *Broadwell*

Fixes: 7d1c42e679 ("drm/i915: Refactor code to select the DDI buf translation table")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.12+
Link: https://patchwork.freedesktop.org/patch/msgid/20171013154735.27163-1-chris@chris-wilson.co.uk
Reviewed-by: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit 1210d38890)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-16 17:10:59 -07:00
Chris Wilson
99b169d3c2 drm/i915: Fix eviction when the GGTT is idle but full
In the full-ppgtt world, we can fill the GGTT full of context objects.
These context objects are currently implicitly tracked by the requests
that pin them i.e. they are only unpinned when the request is completed
and retired, but we do not have the link from the vma to the request
(anymore). In order to unpin those contexts, we have to issue another
request and wait upon the switch to the kernel context.

The bug during eviction was that we assumed that a full GGTT meant we
would have requests on the GGTT timeline, and so we missed situations
where those requests where merely in flight (and when even they have not
yet been submitted to hw yet). The fix employed here is to change the
already-is-idle test to no look at the execution timeline, but count the
outstanding requests and then check that we have switched to the kernel
context. Erring on the side of overkill here just means that we stall a
little longer than may be strictly required, but we only expect to hit
this path in extreme corner cases where returning an erroneous error is
worse than the delay.

v2: Logical inversion when swapping over branches.

Fixes: 80b204bce8 ("drm/i915: Enable multiple timelines")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171012125726.14736-1-chris@chris-wilson.co.uk
(cherry picked from commit 55b4f1ce2f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-16 17:10:56 -07:00
Rodrigo Vivi
4a18fb8d55 Merge tag 'gvt-fixes-2017-10-16' of https://github.com/01org/gvt-linux into drm-intel-fixes
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d87b1644-58cc-f7a8-57f5-126fe2b1eecd@intel.com
2017-10-16 17:07:35 -07:00
Changbin Du
ba3ee00683 drm/i915/gvt: Fix GPU hang after reusing vGPU instance across different guest OS
We have implemented delayed ring mmio switch mechanism to reduce
unnecessary mmio switch. While the vGPU is being destroyed or
detached from VM, we need to force the ring switch to host context.

The later deadline is missed. Then it got a chance that word load
from VM2 might execute under the ring context of VM1 which was
attached to a same vGPU instance. Finally, the GPU is hang.

This patch guarantee the two deadline are performed.

v2: Remove unused variable 'scheduler'

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2017-10-17 00:44:10 +08:00
Marek Szyprowski
238604ca0b drm/exynos: Clear drvdata after component unbind
When components are unbound, DRM driver is unregistered and freed,
so clear drvdata to avoid potential use-after-free issue in
suspend/resume paths.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2017-10-16 07:44:49 +09:00
Marek Szyprowski
0a51897bfa drm/exynos: Fix potential NULL pointer dereference in suspend/resume paths
The patch 6e8edf8a7d: "drm/exynos: Fix suspend/resume support" introduced
a new code in suspend/resume paths. However it unconditionally dereference
drm_dev pointer, which might be NULL if suspend/resume happens before
Exynos DRM driver components bind. This patch fixes this issue.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 6e8edf8a7d "drm/exynos: Fix suspend/resume support"
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2017-10-16 07:44:48 +09:00
Dave Airlie
a480f30846 Merge tag 'drm-intel-fixes-2017-10-11' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for 4.14-rc5:

Three fixes for stable:

- Use crtc_state_is_legacy_gamma in intel_color_check (Maarten)
- Read timings from the correct transcoder (Ville).
- Fix HDMI on BSW (Jani).

Other fixes:

- eDP fixes (Manasi)
- Silence compiler warnings (Chris)
- Order two completing nop_submit_request (Chris)

* tag 'drm-intel-fixes-2017-10-11' of git://anongit.freedesktop.org/drm/drm-intel:
  drm/i915/bios: parse DDI ports also for CHV for HDMI DDC pin and DP AUX channel
  drm/i915: Read timings from the correct transcoder in intel_crtc_mode_get()
  drm/i915: Order two completing nop_submit_request
  drm/i915: Silence compiler warning for hsw_power_well_enable()
  drm/i915: Use crtc_state_is_legacy_gamma in intel_color_check
  drm/i915/edp: Increase the T12 delay quirk to 1300ms
  drm/i915/edp: Get the Panel Power Off timestamp after panel is off
2017-10-14 09:59:20 +10:00
Dave Airlie
7a5bea77b1 Merge branch 'msm-fixes-4.14-rc4' of git://people.freedesktop.org/~robclark/linux into drm-fixes
bunch of msm fixes

* 'msm-fixes-4.14-rc4' of git://people.freedesktop.org/~robclark/linux:
  drm/msm: fix _NO_IMPLICIT fencing case
  drm/msm: fix error path cleanup
  drm/msm/mdp5: Remove extra pm_runtime_put call in mdp5_crtc_cursor_set()
  drm/msm/dsi: Use correct pm_runtime_put variant during host_init
  drm/msm: fix return value check in _msm_gem_kernel_new()
  drm/msm: use proper memory barriers for updating tail/head
  drm/msm/mdp5: add missing max size for 8x74 v1
2017-10-14 09:38:49 +10:00
Dave Airlie
a6402e80fa drm/imx: i.MX5 regression fix and i.MX6QP PRE/PRG stability fixes
- Disable channel burst locking on IPUv3EX (i.MX51) and IPUv3M (i.MX53).
   This fixes a regression introduced by commit 790cb4c7c9 ("drm/imx: lock
   scanout transfers for consecutive bursts").
 - Give PRG a head start. Waiting for both double buffers to fill up before
   enabling the IPU improves startup reliability.
 - Avoid PRE control register updates during unsafe window, workaround for
   ERR009624.
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Merge tag 'imx-drm-fixes-2017-10-12' of git://git.pengutronix.de/git/pza/linux into drm-fixes

drm/imx: i.MX5 regression fix and i.MX6QP PRE/PRG stability fixes

- Disable channel burst locking on IPUv3EX (i.MX51) and IPUv3M (i.MX53).
  This fixes a regression introduced by commit 790cb4c7c9 ("drm/imx: lock
  scanout transfers for consecutive bursts").
- Give PRG a head start. Waiting for both double buffers to fill up before
  enabling the IPU improves startup reliability.
- Avoid PRE control register updates during unsafe window, workaround for
  ERR009624.

* tag 'imx-drm-fixes-2017-10-12' of git://git.pengutronix.de/git/pza/linux:
  gpu: ipu-v3: pre: implement workaround for ERR009624
  gpu: ipu-v3: prg: wait for double buffers to be filled on channel startup
  gpu: ipu-v3: Allow channel burst locking on i.MX6 only
2017-10-13 17:32:30 +10:00
Rob Clark
06451a3d1d drm/msm: fix _NO_IMPLICIT fencing case
We need to call reservation_object_reserve_shared() in both cases, but
this wasn't happening in the _NO_IMPLICIT submit case.

Fixes: f0a42bb ("drm/msm: submit support for in-fences")
Reported-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
2017-10-12 14:21:22 -04:00
Rob Clark
6bd6ae2dfc drm/msm: fix error path cleanup
If we fail to attach iommu, gpu->aspace could be IS_ERR()..

Signed-off-by: Rob Clark <robdclark@gmail.com>
2017-10-12 14:19:08 -04:00
Archit Taneja
9e4621531e drm/msm/mdp5: Remove extra pm_runtime_put call in mdp5_crtc_cursor_set()
While converting mdp5_enable/disable() calls to pm_runtime_get/put() API,
an extra call to pm_runtime_put_autosuspend() crept in
mdp5_crtc_cursor_set(). This results in calling the suspend handler
twice, and therefore clk_disables twice, which isn't a nice thing to do.

Fixes: d68fe15b18 (drm/msm/mdp5: Use runtime PM get/put API instead ...)

Reported-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
2017-10-12 12:59:46 -04:00
Archit Taneja
a18a0ea009 drm/msm/dsi: Use correct pm_runtime_put variant during host_init
The DSI runtime PM suspend/resume callbacks check whether
msm_host->cfg_hnd is non-NULL before trying to enable the bus clocks.
This is done to accommodate early calls to these functions that may
happen before the bus clocks are even initialized.

Calling pm_runtime_put_autosuspend() in dsi_host_init() can result in
racy behaviour since msm_host->cfg_hnd is set very soon after. If the
suspend callback happens too late, we end up trying to disable clocks
that were never enabled, resulting in a bunch of WARN_ON splats.

Use pm_runtime_put_sync() so that the suspend callback is called
immediately.

Reported-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
2017-10-12 12:59:46 -04:00
Wei Yongjun
c9811d0fa5 drm/msm: fix return value check in _msm_gem_kernel_new()
In case of error, the function msm_gem_get_vaddr() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Fixes: 8223286d62 ("drm/msm: Add a helper function for in-kernel
buffer allocations")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
2017-10-12 10:59:56 -04:00
Rob Clark
f44001e263 drm/msm: use proper memory barriers for updating tail/head
Fixes intermittent corruption of cmdstream dump.

Signed-off-by: Rob Clark <robdclark@gmail.com>
2017-10-12 10:59:11 -04:00
Rob Clark
aa3c2ba1c3 drm/msm/mdp5: add missing max size for 8x74 v1
This should have same max width as v2.

Signed-off-by: Rob Clark <robdclark@gmail.com>
2017-10-12 10:59:10 -04:00
Christian König
27b94b4f13 drm/amdgpu: fix placement flags in amdgpu_ttm_bind
Otherwise we lose the NO_EVICT flag and can try to evict pinned BOs.

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>
2017-10-12 10:34:42 -04:00
Jani Nikula
ea850f64c2 drm/i915/bios: parse DDI ports also for CHV for HDMI DDC pin and DP AUX channel
While technically CHV isn't DDI, we do look at the VBT based DDI port
info for HDMI DDC pin and DP AUX channel. (We call these "alternate",
but they're really just something that aren't platform defaults.)

In commit e4ab73a132 ("drm/i915: Respect alternate_ddc_pin for all DDI
ports") Ville writes, "IIRC there may be CHV system that might actually
need this."

I'm not sure why there couldn't be even more platforms that need this,
but start conservative, and parse the info for CHV in addition to DDI.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100553
Reported-by: Marek Wilczewski <mw@3cte.pl>
Cc: stable@vger.kernel.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d0815082cb98487618429b62414854137049b888.1506586821.git.jani.nikula@intel.com
(cherry picked from commit 348e4058eb)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-11 10:32:57 -07:00
Lucas Stach
11aff4b4c7 gpu: ipu-v3: pre: implement workaround for ERR009624
The PRE has a bug where a software write to the CTRL register can block
the setting of the ENABLE bit by the hardware in auto repeat mode. When
this happens the PRE will fail to handle new jobs. To work around this
software must not write to CTRL register when the PRE store engine is
inside the unsafe window, where a hardware update to the ENABLE bit
may happen.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
[p.zabel@pengutronix.de: rebased before PRE tiled prefetch support]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-10-11 12:04:24 +02:00
Lucas Stach
263c3b8044 gpu: ipu-v3: prg: wait for double buffers to be filled on channel startup
Wait for both double buffer to be filled when first starting a channel.
This makes channel startup a lot more reliable, probably because it allows
the internal state machine to settle before the requests from the IPU are
coming in.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
[p.zabel@pengutronix.de: rebased before switch to runtime PM]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-10-11 12:04:23 +02:00
Philipp Zabel
cda7755644 gpu: ipu-v3: Allow channel burst locking on i.MX6 only
The IDMAC_LOCK_EN registers on i.MX51 have a different layout, and on
i.MX53 enabling the lock feature causes bursts to get lost. Restrict
enabling the burst lock feature to i.MX6.

Reported-by: Patrick Brünn <P.Bruenn@beckhoff.com>
Fixes: 790cb4c7c9 ("drm/imx: lock scanout transfers for consecutive bursts")
Tested-by: Patrick Brünn <P.Bruenn@beckhoff.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-10-11 10:45:06 +02:00
Ville Syrjälä
7b50f7b24c drm/i915: Read timings from the correct transcoder in intel_crtc_mode_get()
intel_crtc->config->cpu_transcoder isn't yet filled out when
intel_crtc_mode_get() gets called during output probing, so we should
not use it there. Instead intel_crtc_mode_get() figures out the correct
transcoder on its own, and that's what we should use.

If the BIOS boots LVDS on pipe B, intel_crtc_mode_get() would actually
end up reading the timings from pipe A instead (since PIPE_A==0),
which clearly isn't what we want.

It looks to me like this may have been broken by
commit eccb140bca ("drm/i915: hw state readout&check support for cpu_transcoder")
as that one removed the early initialization of cpu_transcoder from
intel_crtc_init().

Cc: stable@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: Rob Kramer <rob@solution-space.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reported-by: Rob Kramer <rob@solution-space.com>
Fixes: eccb140bca ("drm/i915: hw state readout&check support for cpu_transcoder")
References: https://lists.freedesktop.org/archives/dri-devel/2016-April/104142.html
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/1459525046-19425-1-git-send-email-ville.syrjala@linux.intel.com
(cherry picked from commit e30a154b52)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-09 10:33:44 -07:00
Chris Wilson
b85577b728 drm/i915: Order two completing nop_submit_request
If two nop's (requests in-flight following a wedged device) complete at
the same time, the global_seqno value written to the HWSP is undefined
as the two threads are not serialized.

v2: Use irqsafe spinlock. We expect the callback may be called from
inside another irq spinlock, so we can't unconditionally restore irqs.

Fixes: ce1135c7de ("drm/i915: Complete requests in nop_submit_request")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171006115617.18432-1-chris@chris-wilson.co.uk
(cherry picked from commit 8d550824c6)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-09 10:33:33 -07:00
Chris Wilson
de3ded0ae6 drm/i915: Silence compiler warning for hsw_power_well_enable()
Not all compilers are able to determine that pg is guarded by wait_fuses
and so may think that pg is used uninitialized.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: b2891eb253 ("drm/i915/hsw+: Add has_fuses power well attribute")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171002100416.25865-1-chris@chris-wilson.co.uk
Reviewed-by: Imre Deak <imre.deak@intel.com>
(cherry picked from commit 320671f94a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-09 10:33:28 -07:00
Maarten Lankhorst
d6a55c63e6 drm/i915: Use crtc_state_is_legacy_gamma in intel_color_check
crtc_state_is_legacy_gamma also checks for CTM, which was missing from
intel_color_check. By using the same condition for commit and check
we reduce the chance of mismatches.

This was spotted by KASAN while trying to rework kms_color igt test.

[   72.008660] ==================================================================
[   72.009326] BUG: KASAN: slab-out-of-bounds in bdw_load_gamma_lut.isra.3+0x15c/0x360 [i915]
[   72.009519] Read of size 2 at addr ffff880220216e50 by task kms_color/1158
[   72.009900] CPU: 2 PID: 1158 Comm: kms_color Tainted: G     U  W 4.14.0-rc3-patser+ #5281
[   72.009921] Hardware name: GIGABYTE GB-BKi3A-7100/MFLP3AP-00, BIOS F1 07/27/2016
[   72.009941] Call Trace:
[   72.009968]  dump_stack+0xc5/0x151
[   72.009996]  ? _atomic_dec_and_lock+0x10f/0x10f
[   72.010024]  ? show_regs_print_info+0x3c/0x3c
[   72.010072]  print_address_description+0x7f/0x240
[   72.010108]  kasan_report+0x216/0x370
[   72.010308]  ? bdw_load_gamma_lut.isra.3+0x15c/0x360 [i915]
[   72.010349]  __asan_load2+0x74/0x80
[   72.010552]  bdw_load_gamma_lut.isra.3+0x15c/0x360 [i915]
[   72.010772]  broadwell_load_luts+0x1f0/0x300 [i915]
[   72.010997]  intel_color_load_luts+0x36/0x40 [i915]
[   72.011205]  intel_begin_crtc_commit+0xa1/0x310 [i915]
[   72.011283]  drm_atomic_helper_commit_planes_on_crtc+0xa6/0x320 [drm_kms_helper]
[   72.011316]  ? wait_for_completion_io+0x460/0x460
[   72.011524]  intel_update_crtc+0xe3/0x100 [i915]
[   72.011720]  skl_update_crtcs+0x360/0x3f0 [i915]
[   72.011945]  ? intel_update_crtcs+0xf0/0xf0 [i915]
[   72.012010]  ? drm_atomic_helper_wait_for_dependencies+0x3d9/0x400 [drm_kms_helper]
[   72.012231]  intel_atomic_commit_tail+0x8db/0x1500 [i915]
[   72.012273]  ? __lock_is_held+0x9c/0xc0
[   72.012494]  ? skl_update_crtcs+0x3f0/0x3f0 [i915]
[   72.012518]  ? find_next_bit+0xb/0x10
[   72.012544]  ? cpumask_next+0x1a/0x20
[   72.012745]  ? i915_sw_fence_complete+0x9d/0xe0 [i915]
[   72.012938]  ? __i915_sw_fence_complete+0x5d0/0x5d0 [i915]
[   72.013176]  intel_atomic_commit+0x528/0x570 [i915]
[   72.013280]  ? drm_atomic_get_property+0xc00/0xc00 [drm]
[   72.013466]  ? intel_atomic_commit_tail+0x1500/0x1500 [i915]
[   72.013496]  ? kmem_cache_alloc_trace+0x266/0x280
[   72.013714]  ? intel_atomic_commit_tail+0x1500/0x1500 [i915]
[   72.013812]  drm_atomic_commit+0x77/0x80 [drm]
[   72.013911]  set_property_atomic+0x14a/0x210 [drm]
[   72.014015]  ? drm_object_property_get_value+0x70/0x70 [drm]
[   72.014080]  ? mutex_unlock+0xd/0x10
[   72.014292]  ? intel_atomic_commit_tail+0x1500/0x1500 [i915]
[   72.014379]  drm_mode_obj_set_property_ioctl+0x1cf/0x310 [drm]
[   72.014481]  ? drm_mode_obj_find_prop_id+0xa0/0xa0 [drm]
[   72.014510]  ? lock_release+0x6c0/0x6c0
[   72.014602]  ? drm_is_current_master+0x46/0x60 [drm]
[   72.014706]  drm_ioctl_kernel+0x148/0x1d0 [drm]
[   72.014799]  ? drm_mode_obj_find_prop_id+0xa0/0xa0 [drm]
[   72.014898]  ? drm_ioctl_permit+0x100/0x100 [drm]
[   72.014936]  ? kasan_check_write+0x14/0x20
[   72.015039]  drm_ioctl+0x441/0x660 [drm]
[   72.015129]  ? drm_mode_obj_find_prop_id+0xa0/0xa0 [drm]
[   72.015235]  ? drm_getstats+0x20/0x20 [drm]
[   72.015287]  ? ___might_sleep+0x159/0x340
[   72.015311]  ? find_held_lock+0xcf/0xf0
[   72.015341]  ? __schedule_bug+0x110/0x110
[   72.015405]  do_vfs_ioctl+0xa88/0xb10
[   72.015449]  ? ioctl_preallocate+0x1a0/0x1a0
[   72.015487]  ? selinux_capable+0x20/0x20
[   72.015525]  ? rcu_dynticks_momentary_idle+0x40/0x40
[   72.015607]  SyS_ioctl+0x4e/0x80
[   72.015647]  entry_SYSCALL_64_fastpath+0x18/0xad
[   72.015670] RIP: 0033:0x7ff74a3d04d7
[   72.015691] RSP: 002b:00007ffc594bec08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   72.015734] RAX: ffffffffffffffda RBX: ffffffff8718f54a RCX: 00007ff74a3d04d7
[   72.015756] RDX: 00007ffc594bec40 RSI: 00000000c01864ba RDI: 0000000000000003
[   72.015777] RBP: ffff880211c0ff98 R08: 0000000000000086 R09: 0000000000000000
[   72.015799] R10: 00007ff74a691b58 R11: 0000000000000246 R12: 0000000000000355
[   72.015821] R13: 00000000ff00eb00 R14: 0000000000000a00 R15: 00007ff746082000
[   72.015857]  ? trace_hardirqs_off_caller+0xfa/0x110

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171005141520.23990-1-maarten.lankhorst@linux.intel.com
[mlankhorst: s/crtc_state_is_legacy/&_gamma/ (danvet)]
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Fixes: 82cf435b31 ("drm/i915: Implement color management on bdw/skl/bxt/kbl")
Cc: <stable@vger.kernel.org> # v4.7+
(cherry picked from commit 0c3767b281)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-09 10:33:23 -07:00
Manasi Navare
7313f5a93d drm/i915/edp: Increase the T12 delay quirk to 1300ms
For this specific PCI device, the eDP panel requires a higher panel
power cycle delay of 1300ms where the minimum spec requirement of panel
power cycle delay is 500ms. This fix in combination with correct
timestamp at which we get the panel power off time fixes the dP AUX CH
timeouts seen on various IGT tests.

Fixes: c99a259b4b ("drm/i915/edp: Add a T12 panel delay quirk to fix
DP AUX CH timeouts")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101144
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101518
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1507073845-13420-2-git-send-email-manasi.d.navare@intel.com
(cherry picked from commit c02b8fb407)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-09 10:33:08 -07:00
Manasi Navare
d7ba25bd9e drm/i915/edp: Get the Panel Power Off timestamp after panel is off
Kernel stores the time in jiffies at which the eDP panel is turned
off. This should be obtained after the panel is off (after the
wait_panel_off). When we next attempt to turn the panel on, we use the
difference between the timestamp at which we want to turn the panel on
and timestamp at which panel was turned off to ensure that this is equal
to panel power cycle delay and if not we wait for the remaining
time. Not waiting for the panel power cycle delay can cause the panel to
not turn on giving rise to AUX timeouts for the attempted AUX
transactions.

v2:
* Separate lines for bugzilla (Jani Nikula)
* Suggested by tag (Daniel Vetter)

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101518
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101144
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1507135706-17147-1-git-send-email-manasi.d.navare@intel.com
(cherry picked from commit cbacf02e77)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-09 10:33:04 -07:00
Jeffy Chen
7827912725 drm/atomic: Unref duplicated drm_atomic_state in drm_atomic_helper_resume()
Kmemleak reported memory leak after suspend and resume:
unreferenced object 0xffffffc0e31d8880 (size 128):
  comm "bash", pid 181, jiffies 4294763583 (age 24.694s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 20 a2 eb c0 ff ff ff  ......... ......
    01 00 00 00 00 00 00 00 80 87 1d e3 c0 ff ff ff  ................
  backtrace:
    [<ffffffc00034bb64>] __save_stack_trace+0x48/0x6c
    [<ffffffc00034c244>] create_object+0x138/0x254
    [<ffffffc0009dd218>] kmemleak_alloc+0x58/0x8c
    [<ffffffc000346de4>] kmem_cache_alloc_trace+0x188/0x254
    [<ffffffc0005af4c0>] drm_atomic_state_alloc+0x3c/0x88
    [<ffffffc000591f0c>] drm_atomic_helper_duplicate_state+0x28/0x158
    [<ffffffc000592098>] drm_atomic_helper_suspend+0x5c/0xf0

Problem here is that we are duplicating the drm_atomic_state in
drm_atomic_helper_suspend(), but not unreference it in the resume path.

Fixes: 1494276000 ("drm/atomic-helper: Implement subsystem-level suspend/resume")
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171009064641.15174-1-jeffy.chen@rock-chips.com
Fixes: 0853695c3b ("drm: Add reference counting to drm_atomic_state")
Cc: <stable@vger.kernel.org> # v4.10+
(cherry picked from commit 6d281b1f79)
2017-10-09 14:26:45 +02:00
Dave Airlie
baf7c1f7e8 Merge tag 'drm-misc-fixes-2017-10-05' of git://anongit.freedesktop.org/git/drm-misc into drm-fixes
One bugfix in sun4i for 4.14

* tag 'drm-misc-fixes-2017-10-05' of git://anongit.freedesktop.org/git/drm-misc:
  drm/sun4i: hdmi: Disable clks in bind function error path and unbind function
2017-10-06 11:09:47 +10:00
Dave Airlie
00bb09c45c Merge tag 'drm-intel-fixes-2017-10-04' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes
drm/i915 fixes for 4.14-rc4:

All 3 highest GLK bugs fixed by Imre:
- GLK drv reload - Fix DDI Phy init if it was already on.
- GLK suspend resume - Reprogram DMC firmware after s3/s4.
- GLK DC states - Fix idleness calculation.

* tag 'drm-intel-fixes-2017-10-04' of git://anongit.freedesktop.org/git/drm-intel:
  drm/i915/glk: Fix DMC/DC state idleness calculation
  drm/i915/cnl: Reprogram DMC firmware after S3/S4 resume
  drm/i915: Fix DDI PHY init if it was already on
2017-10-06 11:09:29 +10:00
Imre Deak
069d40f583 drm/i915/glk: Fix DMC/DC state idleness calculation
According to BSpec GLK like BXT needs to ignore the idle state of cores
before starting the DMC firmware's DC state handler.

Fixes: dbb28b5c3d ("drm/i915/DMC/GLK: Load DMC on GLK")
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171003095159.711-2-imre.deak@intel.com
(cherry picked from commit b7208a3f3e)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-04 15:49:34 -07:00
Imre Deak
2a8408e537 drm/i915/cnl: Reprogram DMC firmware after S3/S4 resume
The DMC firmware program memory is lost after S3/S4 system suspend, so
we need to reprogram it during resume.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103070
Fixes: cebfcead63 ("drm/i915/DMC/CNL: Load DMC on CNL")
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Animesh Manna <animesh.manna@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171003095159.711-1-imre.deak@intel.com
(cherry picked from commit 57522c4c87)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-04 15:49:31 -07:00
Imre Deak
7130013297 drm/i915: Fix DDI PHY init if it was already on
The common lane power down flag of a DPIO PHY has a funky semantic:
after the initial enabling of the PHY (so from a disabled state) this
flag will be clear. It will be set only after the PHY will be used for
the first time (for instance due to enabling the corresponding pipe) and
then become unused (due to disabling the pipe). During the initial PHY
enablement we don't know which of the above phases we are in, so move
the check for the flag where this is known, the HW readout code. This is
where the rest of lane power down status checks are done anyway.

This fixes at least a problem on GLK where after module reloading, the
common lane power down flag of PHY1 is set, but the PHY is actually
powered-on and properly set up. The GRC readout code for other PHYs will
hence think that PHY1 is not powered initially and disable it after the
GRC readout. This will cause the AUX power well related to PHY1 to get
disabled in a stuck state, timing out when we try to enable it later.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Fixes: e93da0a013 ("drm/i915/bxt: Sanitiy check the PHY lane power down status")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102777
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171002135307.26117-1-imre.deak@intel.com
(cherry picked from commit e19c1eb885)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2017-10-03 13:47:29 -07:00
Ben Skeggs
227f66d2f9 drm/nouveau/kms/nv50: fix oops during DP IRQ handling on non-MST boards
Reported-by: Woody Suwalski <terraluna977@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2017-10-03 16:34:20 +10:00
Ilia Mirkin
194d68dd05 drm/nouveau/bsp/g92: disable by default
G92's seem to require some additional bit of initialization before the
BSP engine can work. It feels like clocks are not set up for the
underlying VLD engine, which means that all commands submitted to the
xtensa chip end up hanging. VP seems to work fine though.

This still allows people to force-enable the bsp engine if they want to
play around with it, but makes it harder for the card to hang by
default.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2017-10-03 16:34:17 +10:00
Ben Skeggs
77913bbcb4 drm/nouveau/mmu: flush tlbs before deleting page tables
Even though we've zeroed the PDE, the GPU may have cached the PD, so we
need to flush when deleting them.

Noticed while working on replacement MMU code, but a backport might be a
good idea, so let's fix it in the current code too.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2017-10-03 16:34:10 +10:00
Dave Airlie
1b0e19bb0c Merge tag 'drm-intel-fixes-2017-09-27' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes
drm/i915 fixes for 4.14-rc3

Couple fixes for stable:

- Fix ELD connector types and consequently audio on DP (Jani).
- Ignore HDMI on Port A and consequently fix an ops on i915 probe
  when VBT advertises HDMI on Port A (Jani).

And a small fix:

- That removes a reduntant hw_check on modeset. (Colin)

* tag 'drm-intel-fixes-2017-09-27' of git://anongit.freedesktop.org/git/drm-intel:
  drm/i915/bios: ignore HDMI on port A
  drm/i915: remove redundant variable hw_check
  drm/i915: always update ELD connector type after get modes
2017-10-03 09:34:06 +10:00
Chen-Yu Tsai
cb1dab0e01 drm/sun4i: hdmi: Disable clks in bind function error path and unbind function
The HDMI driver enables the bus and mod clocks in the bind function, but
does not disable them if it then bails our due to any errors. Neither
does it disable the clocks in the unbind function.

Fix this by adding a proper error path to the bind function, and
clk_disable_unprepare calls to the unbind function.

Also rename the err_cleanup_connector label to err_cleanup_encoder,
since it is the encoder that gets cleaned up.

Fixes: 9c5681011a ("drm/sun4i: Add HDMI support")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170929082306.16193-6-wens@csie.org
2017-10-02 21:58:47 +02:00
Dave Airlie
2b702e72e3 Merge tag 'drm-misc-fixes-2017-09-28-1' of git://anongit.freedesktop.org/git/drm-misc into drm-fixes
Driver Changes:
- qxl: fix primary surface and fb unpinning (Gerd)
- sun41: fix CEC_PIN config gate now that media has been merged (Hans)
- tegra: fix TRACE_INCLUDE_PATH (Thierry)

Cc: Thierry Reding <treding@nvidia.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Gerd Hoffmann <kraxel@redhat.com>

* tag 'drm-misc-fixes-2017-09-28-1' of git://anongit.freedesktop.org/git/drm-misc:
  drm/tegra: trace: Fix path to include
  qxl: fix framebuffer unpinning
  drm/sun4i: cec: Enable back CEC-pin framework
  qxl: fix primary surface handling
2017-09-29 17:11:04 +10:00
Dave Airlie
2726e15e54 Merge branch 'drm-fixes-4.14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
A few fixes for 4.14.  Nothing too major.

* 'drm-fixes-4.14' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: disable hard reset in hibernate for APUs
  drm/amdgpu: revert tile table update for oland
2017-09-28 05:49:38 +10:00