| Commit message (Collapse) | Author | Age |
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Register connectors with userspace after all components are bound.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Dominik Behr <dbehr@chromium.org>
drm_connector_get_name -> connector->name
This patch is necessary to make X11 see screens it seems.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The function disables the dclk at the beginning, so don't simply return
when an error happens, but instead enable the clock again, so that
enable and disable calls are balanced.
ret_clk is introduced to hold the clk_enable result and not mangle the
original error code.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
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This patch implements the virtual GEM driver with PRIME sharing which
allows vgem to import a gem object from other drivers for the purpose
of mmap-ing them to userspace. The mmap is done using the mmap
operation exported by other drivers.
v2: remove platform_device and do not attach to dma bufs
v3: use drm helpers for get/put pages
v4: correct dumb create pitch
Reviewed-by: Rob Clark <robdclark@gmail.com> (v3)
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org> (v3)
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Zach Reizner <zachr@google.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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qemu and simics simulators both seem to expect that video should be disabled
before changing the video mode.
references:
http://git.qemu.org/?p=qemu.git;a=blob;f=hw/display/vga.c;h=c0f7b343bbab586c8593d29c7a765f1e6ca3662c;hb=HEAD#l727
http://wiki.osdev.org/Bochs_VBE_Extensions#Setting_display_resolution_and_bit_depth
Signed-off-by: Chris Ruffin <chris.ruffin@intel.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
Final drm-misc pull for 4.0, just various things all over, including a few
more important atomic fixes. btw I didn't pick up the vmwgfx patch from
Ville's series, but one patch has one hunk touching vmwgfx and
Thomas/Jakob didn't get around to ack it. I figured it's simple enough to
be ok though.
* tag 'topic/drm-misc-2015-03-31' of git://anongit.freedesktop.org/drm-intel:
drm: line wrap DRM_IOCTL_DEF* macros
drm/atomic: Don't try to free a NULL state
drm/atomic: Clear crtcs, connectors and planes when clearing state
drm: Rewrite drm_ioctl_flags() to resemble the new drm_ioctl() code
drm: Use max() to make the ioctl alloc size code cleaner
drm: Simplify core vs. drv ioctl handling
drm: Drop ioctl->cmd_drv
drm: Fix DRM_IOCTL_DEF_DRV()
drm/atomic-helpers: Properly avoid full modeset dance
drm: atomic: Allow setting CRTC active property
drm: atomic: Expose CRTC active property
drm: crtc_helper: Update hwmode before mode_set call
drm: mode: Allow NULL modes for equality check
drm: fb_helper: Simplify exit condition
drm: mode: Fix typo in kerneldoc
drm/dp: Print the number of bytes processed for aux nacks
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Improve the readability and keeps the lines shorter than 80 columns.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Consistently with other free functions, handle the NULL case without
oopsing.
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Users of the atomic state assume that if the pointer to a crtc, plane or
connector is not NULL in the respective object vector, than the state
for that object in *_states vector also won't be NULL. That assumption
was broken by drm_atomic_state_clear(), which would clear the state
pointer but leave the pointer to the object still set.
This fixes a NULL pointer dereference in i915 caused by the use of
drm_atomic_state_clear().
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use the same logic when checking for valid ioctl range in
drm_ioctl_flags() that is used in drm_ioctl() to avoid
confusion.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use max() to make the code to determine the allocation size for
the ioctl data easier to read.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Now that cmd_drv is gone the handling for core and driver ioctls is
mostly identical, so eliminate the duplication. Also take the
opportunity to simplify the range checks to be less cluttered.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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ioctl->cmd_drv is pointless and we can just as well stick the full ioctl
definition into ioctl->cmd.
Cc: Jakob Bornecrantz <jakob@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Legacy setCrtc has a nice fastpath for just updating the frontbuffer
when the output routing doesn't change. Which I of course tried to
keep working, except that I fumbled the job: The helpers correctly
compute ->mode_changed, CRTC updates get correctly skipped but
connector functions are called unconditionally.
Fix this.
v2: For the disable sided connector->state->crtc might be NULL.
Instead look at the old_connector_state->crtc, but still use the new
crtc state for that old crtc. Reported by Thierry.
Reported-and-Tested-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> (v1)
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk> (v1)
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Before, we would set the property, but also return -EINVAL because of a
broken fallthrough.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Active was here, and we allowed users to set it, but not to get it as
well.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Just as we provide crtc->mode pre-populated with the requested mode,
move adjusted_mode into hwmode before we call the crtc's mode_set,
making sure to restore it on failure.
Allows drivers which thoughtlessly discard adjusted_mode in their
mode_set hooks (e.g. Exynos) to use hwmode directly, and also provides
some neat symmetry with crtc->mode.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Since we're now using mode == NULL to represent disabled, it's not
wholly surprising that we'd want to compare NULL modes.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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mode is always NULL at this point in the function, so make our intention
clear.
Signed-off-by: Daniel Stone <daniels@collabora.com>
[danvet: Stop clearing mode too to enlist gcc in tracking
uninitialized usage. And remove a space while at it.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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When doing a native or i2c aux write the sink will indicate the number
of bytes written even if it the nacks the transfer. When we receive a
nack we just return an error upwards, but it might still be interesting
to see how many bytes made it before the nack. So include that information
in the debug messages.
v2: Also print the message size (Jani)
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>
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git://anongit.freedesktop.org/drm-intel into drm-next
This backmerges 4.0-rc6 due to the recent fixes in rc5/6
- DP link rate refactoring from Ville
- byt/bsw rps tuning from Chris
- kerneldoc for the shrinker code
- more dynamic ppgtt pte work (Michel, Ben, ...)
- vlv dpll code refactoring to prep fro bxt (Imre)
- refactoring the sprite colorkey code (Ville)
- rotated ggtt view support from Tvrtko
- roll out struct drm_atomic_state to prep for atomic update (Ander)
* tag 'drm-intel-next-2015-03-27-merge' of git://anongit.freedesktop.org/drm-intel: (473 commits)
Linux 4.0-rc6
arm64: juno: Fix misleading name of UART reference clock
drm/i915: Update DRIVER_DATE to 20150327
drm/i915: Skip allocating shadow batch for 0-length batches
drm/i915: Handle error to get connector state when staging config
drm/i915: Compare GGTT view structs instead of types
drm/i915: fix simple_return.cocci warnings
drm/i915: Add module param to test the load detect code
drm/i915: Remove usage of encoder->new_crtc from clock computations
drm/i915: Don't look at staged config crtc when changing DRRS state
drm/i915: Convert intel_pipe_will_have_type() to using atomic state
drm/i915: Pass an atomic state to modeset_global_resources() functions
drm/i915: Add dynamic page trace events
drm/i915: Finish gen6/7 dynamic page table allocation
drm/i915: Remove unnecessary gen6_ppgtt_unmap_pages
drm/i915: Fix i915_dma_map_single positive error code
drm/i915: Prevent out of range pt in gen6_for_each_pde
drm/i915: fix definition of the DRM_IOCTL_I915_GET_SPRITE_COLORKEY ioctl
drm/i915: Rip out GET_SPRITE_COLORKEY ioctl
watchdog: imgpdc: Fix default heartbeat
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Backmerge Linux 4.0-rc6 because conflicts are (again) getting out of
hand. To make sure we don't lose any bugfixes from the 4.0-rc5-rc6
flurry of patches we've applied them all to -next too.
Conflicts:
drivers/gpu/drm/i915/intel_display.c
Always take the version from -next, we've already handled all
conflicts with explicit cherrypicking.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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This is a very similar bug in the load detect code fixed in
commit 9128b040eb774e04bc23777b005ace2b66ab2a85
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Mar 3 17:31:21 2015 +0100
drm/i915: Fix modeset state confusion in the load detect code
But this time around it was the initial fb code that forgot to update
the plane->crtc pointer. Otherwise it's the exact same bug, with the
exact same restrains (any set_config call/ioctl that doesn't disable
the pipe papers over the bug for free, so fairly hard to hit in normal
testing). So if you want the full explanation just go read that one
over there - it's rather long ...
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reported-and-tested-by: Josh Boyer <jwboyer@fedoraproject.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[Jani: backported to drm-intel-fixes for v4.0-rc]
Reference: http://mid.gmane.org/CA+5PVA7ChbtJrknqws1qvZcbrg1CW2pQAFkSMURWWgyASRyGXg@mail.gmail.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Right now, we get a warning when taking over the firmware fb:
[drm:drm_atomic_plane_check] FB set but no CRTC
with the following backtrace:
[<ffffffffa010339d>] drm_atomic_check_only+0x35d/0x510 [drm]
[<ffffffffa0103567>] drm_atomic_commit+0x17/0x60 [drm]
[<ffffffffa00a6ccd>] drm_atomic_helper_plane_set_property+0x8d/0xd0 [drm_kms_helper]
[<ffffffffa00f1fed>] drm_mode_plane_set_obj_prop+0x2d/0x90 [drm]
[<ffffffffa00a8a1b>] restore_fbdev_mode+0x6b/0xf0 [drm_kms_helper]
[<ffffffffa00aa969>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
[<ffffffffa00aa9e2>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper]
[<ffffffffa050a71a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[<ffffffff813ad444>] fbcon_init+0x4f4/0x580
That's because we update the plane state with the fb from the firmware, but we
never associate the plane to that CRTC.
We don't quite have the full DRM take over from HW state just yet, so
fake enough of the plane atomic state to pass the checks.
v2: Fix the state on which we set the CRTC in the case we're sharing the
initial fb with another pipe. (Matt)
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[Jani: backported to drm-intel-fixes for v4.0-rc]
Reference: http://mid.gmane.org/CA+5PVA7yXH=U757w8V=Zj2U1URG4nYNav20NpjtQ4svVueyPNw@mail.gmail.com
Reference: http://lkml.kernel.org/r/CA+55aFweWR=nDzc2Y=rCtL_H8JfdprQiCimN5dwc+TgyD4Bjsg@mail.gmail.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If we retire requests last, we may use a later seqno and so clear
the requests lists without clearing the active list, leading to
confusion. Hence we should retire requests first for consistency with
the early return. The order used to be important as the lifecycle for
the object on the active list was determined by request->seqno. However,
the requests themselves are now reference counted removing the
constraint from the order of retirement.
Fixes regression from
commit 1b5a433a4dd967b125131da42b89b5cc0d5b1f57
Author: John Harrison <John.C.Harrison@Intel.com>
Date: Mon Nov 24 18:49:42 2014 +0000
drm/i915: Convert 'i915_seqno_passed' calls into 'i915_gem_request_completed
'
and a
WARNING: CPU: 0 PID: 1383 at drivers/gpu/drm/i915/i915_gem_evict.c:279 i915_gem_evict_vm+0x10c/0x140()
WARN_ON(!list_empty(&vm->active_list))
Identified by updating WATCH_LISTS:
[drm:i915_verify_lists] *ERROR* blitter ring: active list not empty, but no requests
WARNING: CPU: 0 PID: 681 at drivers/gpu/drm/i915/i915_gem.c:2751 i915_gem_retire_requests_ring+0x149/0x230()
WARN_ON(i915_verify_lists(ring->dev))
Note that this is only a problem in evict_vm where the following happens
after a retire_request has cleaned out all requests, but not all active
bo:
- intel_ring_idle called from i915_gpu_idle notices that no requests are
outstanding and immediately returns.
- i915_gem_retire_requests_ring called from i915_gem_retire_requests also
immediately returns when there's no request, still leaving the bo on the
active list.
- evict_vm hits the WARN_ON(!list_empty(&vm->active_list)) after evicting
all active objects that there's still stuff left that shouldn't be
there.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Tvrtko noticed a new warning on boot:
WARNING: CPU: 1 PID: 353 at include/linux/kref.h:47 drm_framebuffer_reference+0x6c/0x80 [drm]()
Call Trace:
[<ffffffff8161f10c>] dump_stack+0x4f/0x7b
[<ffffffff81052caa>] warn_slowpath_common+0xaa/0xd0
[<ffffffff81052d8a>] warn_slowpath_null+0x1a/0x20
[<ffffffffa00d035c>] drm_framebuffer_reference+0x6c/0x80 [drm]
[<ffffffffa01c0df7>] update_state_fb.isra.54+0x47/0x50 [i915]
[<ffffffffa01ccd5c>] skylake_get_initial_plane_config+0x93c/0x950 [i915]
[<ffffffffa01e8721>] intel_modeset_init+0x1551/0x17c0 [i915]
[<ffffffffa02476e0>] i915_driver_load+0xed0/0x11e0 [i915]
[<ffffffff81627aa1>] ? _raw_spin_unlock_irqrestore+0x51/0x70
[<ffffffffa00ca8b7>] drm_dev_register+0x77/0x110 [drm]
[<ffffffffa00cda3b>] drm_get_pci_dev+0x11b/0x1f0 [drm]
[<ffffffff81098e3d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff81627aa1>] ? _raw_spin_unlock_irqrestore+0x51/0x70
[<ffffffffa0145276>] i915_pci_probe+0x56/0x60 [i915]
[<ffffffff813ad59c>] pci_device_probe+0x7c/0x100
[<ffffffff81466aad>] driver_probe_device+0x16d/0x380
We cannot take a reference at this point, not before
intel_framebuffer_init() and the underlying drm_framebuffer_init().
Introduced in:
commit 706dc7b549175e47f23e913b7f1e52874a7d0f56
Author: Matt Roper <matthew.d.roper@intel.com>
Date: Tue Feb 3 13:10:04 2015 -0800
drm/i915: Ensure plane->state->fb stays in sync with plane->fb
v2: Don't move update_state_fb(). It was moved around because I
originally put update_state_fb() in intel_alloc_plane_obj() before
finding a better place. (Matt)
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From drm-next:
(cherry picked from commit f55548b5af87ebfc586ca75748947f1c1b1a4a52)
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Originally it was impossible to be dropping the last refcount in this
function since there was always one around still from the idr. But in
commit 83f45fc360c8e16a330474860ebda872d1384c8c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Aug 6 09:10:18 2014 +0200
drm: Don't grab an fb reference for the idr
we've switched to weak references, broke that assumption but forgot to
fix it up.
Since we still force-disable planes it's only possible to hit this
when racing multiple rmfb with fbdev restoring or similar evil things.
As long as userspace is nice it's impossible to hit the BUG_ON.
But the BUG_ON would most likely be hit from fbdev code, which usually
invovles the console_lock besides all modeset locks. So very likely
we'd never get the bug reports if this was hit in the wild, hence
better be safe than sorry and backport.
Spotted by Matt Roper while reviewing other patches.
[airlied: pull this back into 4.0 - the oops happens there]
Cc: stable@vger.kernel.org
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Backporting a couple of plane related fixes from drm-next to v4.0.
* tag 'drm-intel-fixes-2015-03-19' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Make sure the primary plane is enabled before reading out the fb state
drm/i915: Ensure plane->state->fb stays in sync with plane->fb
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git://people.freedesktop.org/~gabbayo/linux into drm-fixes
- Fixing SDMA initialization when in non-HWS mode (debug mode)
- Memory leak fix when destroying kernel queue
- Fix number of available compute pipelines according to new firmware
* tag 'drm-amdkfd-fixes-2015-03-19' of git://people.freedesktop.org/~gabbayo/linux:
drm/radeon: Changing number of compute pipe lines
drm/amdkfd: Fix SDMA queue init. in non-HWS mode
drm/amdkfd: destroy mqd when destroying kernel queue
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The current CP firmware can handle Usermode Queues only on MEC1.
To reflect this firmware change, this commit reduces number of compute pipelines
to 4 - 1, from 8 - 1 (the first pipeline is allocated for kgd).
Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Cc: stable@vger.kernel.org
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This patch fixes the SDMA queue initialization, when running in non-HWS mode.
The first fix is to move the initialization of SDMA VM parameters before the
initialization of the SDMA MQD.
The second fix is to load the MQD to an HQD after the initialization of the MQD.
Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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This patch adds a missing destruction of mqd, when destroying a kernel queue.
Without the destruction, there is a memory leakage when repeatedly creating and
destroying kernel queues.
Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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into drm-fixes
single radeon fix.
* 'drm-fixes-4.0' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: drop ttm two ended allocation
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radeon_bo_create() calls radeon_ttm_placement_from_domain()
before ttm_bo_init() is called. radeon_ttm_placement_from_domain()
uses the ttm bo size to determine when to select top down
allocation but since the ttm bo is not initialized yet the
check is always false. It only took effect when buffers
were validated later. It also seemed to regress suspend
and resume on some systems possibly due to it not
taking effect in radeon_bo_create().
radeon_bo_create() and radeon_ttm_placement_from_domain()
need to be reworked substantially for this to be optimally
effective. Re-enable it at that point.
Noticed-by: Oded Gabbay <oded.gabbay@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Some urgent regression fixes to booting failures Exynos DRM occured.
Summary:
- Fix two urgent null pointer dereference bugs in case of enabling
or disabling IOMMU. There was two cases to these issues.
One is that plane->crtc is accessed by exynos_disable_plane()
when device tree binding is broken so device driver tries
to release, which means that the mode set operation isn't invoked yet
so plane->crtc is still NULL and exynos_disable_plane() will access
NULL pointer. This issue is fixed by checking if the plane->crtc
is NULL or not in exynos_disable_plane()
Other is that fimd_wait_for_vblank() is called to avoid from page fault
with IOMMU before the ctx object is created. At this time,
fimd_wait_for_vblank() tries to access ctx->crtc but the ctx->crtc
is still NULL because exynos_drm_crtc_create() isn't called yet.
This issue is fixed by creating a crtc object and setting it to
ctx->crtc prior to fimd_wait_for_vblank() call.
For more details, you can refer to below an e-mail thread,
http://www.spinics.net/lists/linux-samsung-soc/msg42436.html
- Remove unnecessary file not used and fix trivial issues.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: fix the initialization order in FIMD
drm/exynos: fix typo config name correctly.
drm/exynos: Check for NULL dereference of crtc
drm/exynos: IS_ERR() vs NULL bug
drm/exynos: remove unused files
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Since commit 0f04cf8df0b20a97369cb634663fef0578cbf273 ("drm/exynos:
fix wrong pipe calculation for crtc"), fimd_clear_channel() can be
called when is_drm_iommu_supported() returns true. In this case,
the kernel is going to be panicked because crtc is not set yet.
[ 1.211156] [drm] Initialized drm 1.1.0 20060810
[ 1.216785] Unable to handle kernel NULL pointer dereference at virtual address 00000350
[ 1.223415] pgd = c0004000
[ 1.226086] [00000350] *pgd=00000000
[ 1.229649] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[ 1.234940] Modules linked in:
[ 1.237982] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.0.0-rc1-00062-g7a7cc79-dirty #123
[ 1.246136] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 1.252214] task: ee8c8000 ti: ee8d0000 task.ti: ee8d0000
[ 1.257606] PC is at fimd_wait_for_vblank+0x8/0xc8
[ 1.262370] LR is at fimd_bind+0x138/0x1a8
[ 1.266450] pc : [<c02fb63c>] lr : [<c02fb834>] psr: 20000113
[ 1.266450] sp : ee8d1d28 ip : 00000000 fp : 00000000
[ 1.277906] r10: 00000001 r9 : c09d693c r8 : c0a2d6a8
[ 1.283114] r7 : 00000034 r6 : 00000001 r5 : ee0bb400 r4 : ee244c10
[ 1.289624] r3 : 00000000 r2 : 00000000 r1 : 00000001 r0 : 00000000
[ 1.296135] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 1.303426] Control: 10c5387d Table: 4000404a DAC: 00000015
[ 1.309154] Process swapper/0 (pid: 1, stack limit = 0xee8d0210)
[ 1.315143] Stack: (0xee8d1d28 to 0xee8d2000)
[ 1.319486] 1d20: 00000000 c0113d18 ee0bb400 ee0bb400 ee245c30 eebbe210
[ 1.327645] 1d40: ee008a40 ee244c10 ee0bb400 00000001 00000034 c02fb834 00000000 c030a858
[ 1.335804] 1d60: ee244a10 eeb60780 ee008a40 eeb60740 ee0bb400 c03030d0 00000000 00000000
[ 1.343963] 1d80: ee244a10 ee0bb400 00000000 eeb60740 eeb60810 00000000 00000000 c02f6ba4
[ 1.352123] 1da0: ee0bb400 00000000 00000000 c02e0500 ee244a00 c0a04a14 ee0bb400 c02e1de4
[ 1.360282] 1dc0: 00000000 c030a858 00000002 eeb60820 eeb60820 00000002 eeb60780 c03033d4
[ 1.368441] 1de0: c06e9cec 00000000 ee244a10 eeb60780 c0a056f8 c03035fc c0a04b24 c0a04b24
[ 1.376600] 1e00: ee244a10 00000001 c0a049d0 c02f6d34 c0ad462c eeba0790 00000000 ee244a10
[ 1.384759] 1e20: ffffffed c0a049d0 00000000 c03090b0 ee244a10 c0ad462c c0a2d840 c03077a0
[ 1.392919] 1e40: eeb5e880 c024b738 000008db ee244a10 c0a049d0 ee244a44 00000000 c09e71d8
[ 1.401078] 1e60: 000000c6 c0307a6c c0a049d0 00000000 c03079e0 c0305ea8 ee826e5c ee1dc7b4
[ 1.409237] 1e80: c0a049d0 eeb5e880 c0a058a8 c0306e2c c0896204 c0a049d0 c06e9d10 c0a049d0
[ 1.417396] 1ea0: c06e9d10 c0ad4600 00000000 c0308360 00000000 00000003 c06e9d10 c02f6e14
[ 1.425555] 1ec0: 00000000 c0896204 ffffffff 00000000 00000000 00000000 00000000 00000000
[ 1.433714] 1ee0: 00000000 00000000 c02f6d5c c02f6d5c 00000000 eeb5d740 c09e71d8 c0008a30
[ 1.441874] 1f00: ef7fca5e 00000000 00000000 00000066 00000000 ee8d1f28 c003ff1c c02514e8
[ 1.450033] 1f20: 60000113 ffffffff c093906c ef7fca5e 000000c6 c004018c 00000000 c093906c
[ 1.458192] 1f40: c08a9690 c093840c 00000006 00000006 c09eb2ac c09c0d74 00000006 c09c0d54
[ 1.466351] 1f60: c0a3d680 c09745a0 c09d693c 000000c6 00000000 c0974db4 00000006 00000006
[ 1.474510] 1f80: c09745a0 ffffffff 00000000 c0692e00 00000000 00000000 00000000 00000000
[ 1.482669] 1fa0: 00000000 c0692e08 00000000 c000f040 00000000 00000000 00000000 00000000
[ 1.490828] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 1.498988] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ffffffff ffffffff
[ 1.507159] [<c02fb63c>] (fimd_wait_for_vblank) from [<c02fb834>] (fimd_bind+0x138/0x1a8)
[ 1.515313] [<c02fb834>] (fimd_bind) from [<c03030d0>] (component_bind_all+0xc4/0x20c)
[ 1.523209] [<c03030d0>] (component_bind_all) from [<c02f6ba4>] (exynos_drm_load+0xa0/0x140)
[ 1.531632] [<c02f6ba4>] (exynos_drm_load) from [<c02e0500>] (drm_dev_register+0xa0/0xf4)
[ 1.539788] [<c02e0500>] (drm_dev_register) from [<c02e1de4>] (drm_platform_init+0x44/0xcc)
[ 1.548121] [<c02e1de4>] (drm_platform_init) from [<c03033d4>] (try_to_bring_up_master.part.1+0xc8/0x104)
[ 1.557668] [<c03033d4>] (try_to_bring_up_master.part.1) from [<c03035fc>] (component_master_add_with_match+0xd0/0x118)
[ 1.568431] [<c03035fc>] (component_master_add_with_match) from [<c02f6d34>] (exynos_drm_platform_probe+0xf0/0x118)
[ 1.578847] [<c02f6d34>] (exynos_drm_platform_probe) from [<c03090b0>] (platform_drv_probe+0x48/0x98)
[ 1.588052] [<c03090b0>] (platform_drv_probe) from [<c03077a0>] (driver_probe_device+0x140/0x380)
[ 1.596902] [<c03077a0>] (driver_probe_device) from [<c0307a6c>] (__driver_attach+0x8c/0x90)
[ 1.605321] [<c0307a6c>] (__driver_attach) from [<c0305ea8>] (bus_for_each_dev+0x54/0x88)
[ 1.613480] [<c0305ea8>] (bus_for_each_dev) from [<c0306e2c>] (bus_add_driver+0xec/0x200)
[ 1.621640] [<c0306e2c>] (bus_add_driver) from [<c0308360>] (driver_register+0x78/0xf4)
[ 1.629625] [<c0308360>] (driver_register) from [<c02f6e14>] (exynos_drm_init+0xb8/0x11c)
[ 1.637785] [<c02f6e14>] (exynos_drm_init) from [<c0008a30>] (do_one_initcall+0xac/0x1ec)
[ 1.645950] [<c0008a30>] (do_one_initcall) from [<c0974db4>] (kernel_init_freeable+0x194/0x268)
[ 1.654626] [<c0974db4>] (kernel_init_freeable) from [<c0692e08>] (kernel_init+0x8/0xe4)
[ 1.662699] [<c0692e08>] (kernel_init) from [<c000f040>] (ret_from_fork+0x14/0x34)
[ 1.670246] Code: eaffffd5 c09df884 e92d40f0 e24dd01c (e5905350)
[ 1.676408] ---[ end trace 804468492f306a6f ]---
[ 1.680948] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 1.680948]
[ 1.690035] CPU1: stopping
[ 1.692727] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.0.0-rc1-00062-g7a7cc79-dirty #123
[ 1.702097] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 1.708192] [<c0016c84>] (unwind_backtrace) from [<c00129bc>] (show_stack+0x10/0x14)
[ 1.715908] [<c00129bc>] (show_stack) from [<c0696f58>] (dump_stack+0x78/0xc8)
[ 1.723108] [<c0696f58>] (dump_stack) from [<c0015020>] (handle_IPI+0x16c/0x2b4)
[ 1.730485] [<c0015020>] (handle_IPI) from [<c00086bc>] (gic_handle_irq+0x64/0x6c)
[ 1.738036] [<c00086bc>] (gic_handle_irq) from [<c00134c0>] (__irq_svc+0x40/0x74)
[ 1.745498] Exception stack(0xee8fdf98 to 0xee8fdfe0)
[ 1.750533] df80: 00000000 00000000
[ 1.758695] dfa0: ee8fdfe8 c0021780 c09df938 00000015 10c0387d c0a3d988 4000406a c09df8d4
[ 1.766853] dfc0: c0a27a74 c09df940 01000000 ee8fdfe0 c00101c0 c00101c4 60000113 ffffffff
[ 1.775015] [<c00134c0>] (__irq_svc) from [<c00101c4>] (arch_cpu_idle+0x30/0x3c)
[ 1.782397] [<c00101c4>] (arch_cpu_idle) from [<c005e804>] (cpu_startup_entry+0x180/0x324)
[ 1.790639] [<c005e804>] (cpu_startup_entry) from [<40008764>] (0x40008764)
[ 1.797579] CPU0: stopping
[ 1.800272] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D 4.0.0-rc1-00062-g7a7cc79-dirty #123
[ 1.809642] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 1.815730] [<c0016c84>] (unwind_backtrace) from [<c00129bc>] (show_stack+0x10/0x14)
[ 1.823450] [<c00129bc>] (show_stack) from [<c0696f58>] (dump_stack+0x78/0xc8)
[ 1.830653] [<c0696f58>] (dump_stack) from [<c0015020>] (handle_IPI+0x16c/0x2b4)
[ 1.838030] [<c0015020>] (handle_IPI) from [<c00086bc>] (gic_handle_irq+0x64/0x6c)
[ 1.845581] [<c00086bc>] (gic_handle_irq) from [<c00134c0>] (__irq_svc+0x40/0x74)
[ 1.853043] Exception stack(0xc09ddf60 to 0xc09ddfa8)
[ 1.858081] df60: 00000000 00000000 c09ddfb0 c0021780 c09df938 00000001 ffffffff c0a3d680
[ 1.866239] df80: c09c0dec c09df8d4 c0a27a74 c09df940 01000000 c09ddfa8 c00101c0 c00101c4
[ 1.874396] dfa0: 60000113 ffffffff
[ 1.877872] [<c00134c0>] (__irq_svc) from [<c00101c4>] (arch_cpu_idle+0x30/0x3c)
[ 1.885251] [<c00101c4>] (arch_cpu_idle) from [<c005e804>] (cpu_startup_entry+0x180/0x324)
[ 1.893499] [<c005e804>] (cpu_startup_entry) from [<c0974bc8>] (start_kernel+0x324/0x37c)
[ 1.901655] [<c0974bc8>] (start_kernel) from [<40008074>] (0x40008074)
[ 1.908161] CPU3: stopping
[ 1.910855] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 4.0.0-rc1-00062-g7a7cc79-dirty #123
[ 1.920225] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 1.926313] [<c0016c84>] (unwind_backtrace) from [<c00129bc>] (show_stack+0x10/0x14)
[ 1.934034] [<c00129bc>] (show_stack) from [<c0696f58>] (dump_stack+0x78/0xc8)
[ 1.941237] [<c0696f58>] (dump_stack) from [<c0015020>] (handle_IPI+0x16c/0x2b4)
[ 1.948613] [<c0015020>] (handle_IPI) from [<c00086bc>] (gic_handle_irq+0x64/0x6c)
[ 1.956165] [<c00086bc>] (gic_handle_irq) from [<c00134c0>] (__irq_svc+0x40/0x74)
[ 1.963626] Exception stack(0xee901f98 to 0xee901fe0)
[ 1.968661] 1f80: 00000000 00000000
[ 1.976823] 1fa0: ee901fe8 c0021780 c09df938 00000015 10c0387d c0a3d988 4000406a c09df8d4
[ 1.984982] 1fc0: c0a27a74 c09df940 01000000 ee901fe0 c00101c0 c00101c4 60000113 ffffffff
[ 1.993143] [<c00134c0>] (__irq_svc) from [<c00101c4>] (arch_cpu_idle+0x30/0x3c)
[ 2.000522] [<c00101c4>] (arch_cpu_idle) from [<c005e804>] (cpu_startup_entry+0x180/0x324)
[ 2.008765] [<c005e804>] (cpu_startup_entry) from [<40008764>] (0x40008764)
[ 2.015710] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch fixes DRM_EXYNOS7DECON to DRM_EXYNOS7_DECON.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The commit "drm/exynos: remove exynos_plane_dpms" (d9ea6256) removed the
use of the enabled flag, which means that the code may attempt to call
win_enable on a NULL crtc. This results in the following oops on
Arndale:
[ 1.673479] Unable to handle kernel NULL pointer dereference at virtual address 00000368
[ 1.681500] pgd = c0004000
[ 1.684154] [00000368] *pgd=00000000
[ 1.687713] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[ 1.693012] Modules linked in:
[ 1.696045] CPU: 1 PID: 1 Comm: swapper/0 Not tainted
3.19.0-07545-g57485fa #1907
[ 1.703524] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
(....)
[ 2.014803] [<c02f9cfc>] (exynos_plane_destroy) from [<c02e61b4>] (drm_mode_config_cleanup+0x168/0x20c)
[ 2.024178] [<c02e61b4>] (drm_mode_config_cleanup) from [<c02f66fc>] (exynos_drm_load+0xac/0x12c)
This patch adds in a check to ensure exynos_crtc is not NULL before it
is dereferenced.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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of_iomap() doesn't return error pointers, it returns NULL on error.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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These files are not used anymore.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Code before looked only at bit 31 to decide if a port is unused.
However dcb 4.1 spec says 0x1F in bits 31-27 and 26-22 means unused.
This fixed hdmi monitor detection on GM206.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Enough to get VGA monitor on DVI-I output have output.
HDMI output not yet working
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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fdo#88868
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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fdo#83992
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Complete bong hit (and not the last...), the hardware will reassert the
interrupt to PMC if it's necessary.
Also potentially harmful in the face of interrupts such as the non-stall
interrupt, which remain active in NV_PFIFO_INTR even when we don't care
about servicing it.
It appears (hopefully, fdo#87244), that under certain loads, the methods
may pass quickly enough to hit the "100 spins and kill PFIFO" thing that
we had going on. Not ideal ;)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Since
commit 17cabf571e50677d980e9ab2a43c5f11213003ae
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Jan 14 11:20:57 2015 +0000
drm/i915: Trim the command parser allocations
we may then try to allocate a zero-sized object and attempt to extract
its pages. Understandably this fails.
Testcase: igt/gem_exec_nop #ivb,byt,hsw
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The return value of one of the calls to drm_atomic_get_connector_state()
in intel_modeset_stage_output_state() wasn't checked for errors.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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To allow for views where the view type is not defined by the view type only,
like it is in stereo or rotated 90 degree view, change the semantic to require
the whole view structure for comparison when we match a GGTT view.
This allows including parameters like offset to be included in the view which
is useful for eg. partial views.
v3:
- Rely on ggtt_view type being 0 for non-GGTT vma's, which equals to
I915_GGTT_VIEW_NORMAL. (Daniel Vetter)
- Do not use potentially slower comparison when we only want to know if
something is or is not a normal view.
- Rebase on top of rotated view patches. Add rotated view singleton.
- If one view is missing in comparison they're equal only if both are missing.
v4:
- Use comparison helper in obj_to_ggtt_view too. (Tvrtko Ursulin)
- Do WARN_ON if one view is NULL. (Tvrtko Ursulin)
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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drivers/gpu/drm/i915/i915_gem_gtt.c:1349:1-4: WARNING: end returns can be simpified and declaration on line 1347 can be dropped
Simplify a trivial if-return sequence. Possibly combine with a
preceding function call.
Generated by: scripts/coccinelle/misc/simple_return.cocci
CC: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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