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So they can figure out what is the optimal number of pages
that can be contingously stitched together without fear of
bounce buffer.
We also expose an mechanism for sub-users of SWIOTLB API, such
as Xen-SWIOTLB to set the max segment value. And lastly
if swiotlb=force is set (which mandates we bounce buffer everything)
we set max_segment so at least we can bounce buffer one 4K page
instead of a giant 512KB one for which we may not have space.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reported-and-Tested-by: Juergen Gross <jgross@suse.com>
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As we now use a deferred free queue for objects, simply retiring the
active objects is not enough to immediately free them and recover their
mmap space - we must now also drain the freed object list.
Fixes: fbbd37b36fa5 ("drm/i915: Move object release to a freelist + worker"
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <drm-intel-fixes@lists.freedesktop.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152240.5793-3-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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If the DMA remap fails, one cause can be that we have too many objects
pinned in a small remapping table, such as swiotlb. (DMA remapping does
not trigger the shrinker by itself on its normal failure paths.) So try
purging all other objects (using i915_gem_shrink_all(), sparing our own
pages as we have yet to assign them to the obj->pages) and try again. If
there are no pages to reclaim (and consequently no pages to unmap), the
shrinker will report 0 and we fail with -ENOSPC as before.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152240.5793-2-chris@chris-wilson.co.uk
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Since commit fe115628d567 ("drm/i915: Implement pwrite without
struct-mutex") the lowlevel pwrite calls are now called without the
protection of struct_mutex, but pwrite_phys was still asserting that it
held the struct_mutex and later tried to drop and relock it.
Fixes: fe115628d567 ("drm/i915: Implement pwrite without struct-mutex")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <drm-intel-fixes@lists.freedesktop.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152240.5793-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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The kernel context (dev_priv->kernel_context) is unique in that it is
not associated with any user filp - it is the only one with
ctx->file_priv == NULL. This is a simpler test than comparing it against
dev_priv->kernel_context which involves some pointer dancing.
In checking that this is true, we notice that the gvt context is
allocating itself a i915_hw_ppgtt it doesn't use and not flagging that
its file_priv should be invalid.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152013.24684-5-chris@chris-wilson.co.uk
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Replace a few more open-coded overflow checks with the macro.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152013.24684-4-chris@chris-wilson.co.uk
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Stolen memory is a hardware resource of known size, so use an accurate
fixed integer type rather than the ambiguous variable size_t. This was
motivated by the next patch spotting inconsistencies in our types.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152013.24684-3-chris@chris-wilson.co.uk
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Though we know the hw is limited to keeping stolen memory inside the
first 4GiB, it is clearer to the reader that we are handling physical
address if we use phys_addr_t to refer to the base of stolen memory.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152013.24684-2-chris@chris-wilson.co.uk
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In order to silence sparse:
../drivers/gpu/drm/i915/i915_gpu_error.c:200:39: warning: Using plain integer as NULL pointer
add a helper to check whether we have sse4.1 and that the desired
alignment is valid for acceleration.
v2: Explain the macros and split the two use cases between
i915_has_memcpy_from_wc() and i915_can_memcpy_from_wc().
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152013.24684-1-chris@chris-wilson.co.uk
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Each time new data has being added in CRC list inform reader by calling
wake_up_interruptible().
This should avoid to do it in all drivers.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483694104-25627-1-git-send-email-benjamin.gaignard@linaro.org
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Here, If devm_ioremap_nocache will fail. It will return NULL.
Kernel can run into a NULL-pointer dereference. This error check
will avoid NULL pointer dereference.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
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stih416 chip family is no more supported in Linux v4.9.
It is then useless to keep sti_vtac.c file since it not used at all for
the stih407/10 chip family supported by sti driver.
Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
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Do not wait for a hot plug event to create fbdev.
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
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This update allows to have a clearer fps log trace by adding information
about plane size and plane pixel format.
Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
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Do not process update requests with unmodified parameters.
Since the HQVDP command queue is limited to 2, we shall take care of
not posting unneeded commands, which would abusively fill the command
queue leading to frame update skip.
This typically happens when the driver is called with legacy
(non-atomic) IOCTL : in that case atomic_update() is called multiple
times with the same parameters.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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When a plane is enabled, after having been disabled, do not reload XP70
firmware again, but only register VTG again
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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This fix allows to play audio while HDMI is disconnected.
When HDMI is disable, audio configuration is stored and samples
are dropped (by HDMI IP).
When HDMI is enabled, audio HDMI configuration is applied and samples
are outputted on HDMI wire.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
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Some SoC without MMU have display driver where a drm/kms driver
could be implemented.
Before doing such kind of thing drm/kms must allow to use mmuless devices.
This patch propose to remove MMU configuration flag and add a cma helper
function to help implementing mmuless display driver
version 4:
- add documentation about drm_gem_cma_get_unmapped_area()
- stub it MMU case
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
[danvet: Use recommended struct member references in kernel-doc.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483521177-21794-4-git-send-email-benjamin.gaignard@linaro.org
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drm_vm.c functions are only need for DRM_LEGACY and DRM_NOUVEAU.
Use a new DRM_VM to define when drm_vm.c in needed.
stub drm_legacy_vma_flush() to avoid compilation issues
version 4:
- a "config DRM_VM" in Kconfig
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
[danvet: Fix conflict.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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If we skip before banning, we have an inconsistent interface between
execbuf still queueing valid request but those requests already queued
being cancelled. If we only cancel the pending requests once we stop
accepting new requests, the user interface is more consistent.
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Fixes: 821ed7df6e2a ("drm/i915: Update reset path to fix incomplete requests")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: <stable@vger.kernel.org> # v4.9+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170105170059.344-1-chris@chris-wilson.co.uk
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Now that we have split out a header file for simple macros (that maybe
we can promote into a core header), move a few macros across from
i915_drv.h
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170105164148.26875-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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Missed when rebasing patches, I failed to set ret to zero before
starting the unbind loop (which depends upon ret being zero).
Reported-by: Matthew Auld <matthew.william.auld@gmail.com>
Fixes: 9332f3b1b99a ("drm/i915: Combine loops within i915_gem_evict_something")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170105155940.10033-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Cc: <stable@vger.kernel.org> # v4.9+
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The GuC uses a special mapping for the upper end of the Global GTT,
similar to the way it uses a special mapping for the lower end, so
exclude it from our drm_mm to prevent us using it.
v2: Rename to reflect that it is unmappable similar to the region at the
bottom of the GGTT, and couple it into the assertion that we don't feed
unmappable addresses to the GuC.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170105153023.30575-5-chris@chris-wilson.co.uk
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In order to defeat some circular dependencies between headers to allow use
of e.g. range_overflows() in a header, move the simple independent macros
into their own header.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170105153023.30575-4-chris@chris-wilson.co.uk
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Empirically we restart following a GPU reset more successfully if we call
lrc_init_hws() (which contains a posting read) last. (The failure mode
that was observed was that breadcrumb writes into the HWS from the
recovered requests went astray leading to the context-switch maintaining
forward progress, but the requests not being retired/completed.)
For clarity, lrc_init_hws() is inlined (and the unused function then
removed).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170105153023.30575-3-chris@chris-wilson.co.uk
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In order to convince static analyzers that the allocation function
returns an error or sets ce->state, assert that it is set afterwards.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170105153023.30575-2-chris@chris-wilson.co.uk
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During i915_gem_timeline_fini(), assert that all the timeline's request
are completed and removed from the timeline.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170105153023.30575-1-chris@chris-wilson.co.uk
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Don't return from the open() call on the crc/data file until the HW has
produced a first frame, as there's great variability in when the HW is
able to do that and userspace shouldn't have to guess when this specific
HW is ready to start giving frame CRCs.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170102125912.22305-3-tomeu.vizoso@collabora.com
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There's no reason any more for callers of this function to take the lock
themselves, so just move the lock to the function to avoid confusion and
bugs when more callers are contributed.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Robert Foss <robert.foss@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170102125912.22305-2-tomeu.vizoso@collabora.com
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'ret' is never used in tve_enable/tve_disable(), so just
remove it.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483544696-32707-1-git-send-email-fabio.estevam@nxp.com
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This reverts commit a5ad0fd8524e5144512a5c25eda5a5d6fd55fda8.
It results in kconfing complaining about recursive depencies:
drivers/usb/Kconfig:39:error: recursive dependency detected!
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/input/mouse/Kconfig:187: symbol MOUSE_APPLETOUCH depends on INPUT
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/input/Kconfig:8: symbol INPUT is selected by VT
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/tty/Kconfig:12: symbol VT is selected by FB_STI
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/video/fbdev/Kconfig:678: symbol FB_STI depends on FB
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/video/fbdev/Kconfig:5: symbol FB is selected by DRM_KMS_FB_HELPER
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/Kconfig:72: symbol DRM_KMS_FB_HELPER is selected by DRM_KMS_CMA_HELPER
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/Kconfig:128: symbol DRM_KMS_CMA_HELPER is selected by DRM_HDLCD
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/arm/Kconfig:6: symbol DRM_HDLCD depends on COMMON_CLK
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/clk/Kconfig:9: symbol COMMON_CLK is selected by X86_INTEL_QUARK
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
arch/x86/Kconfig:554: symbol X86_INTEL_QUARK depends on X86_PLATFORM_DEVICES
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/platform/x86/Kconfig:5: symbol X86_PLATFORM_DEVICES is selected by DRM_NOUVEAU
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/gpu/drm/nouveau/Kconfig:1: symbol DRM_NOUVEAU depends on LEDS_CLASS
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/leds/Kconfig:16: symbol LEDS_CLASS is selected by ATH9K_HTC
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
drivers/net/wireless/ath/ath9k/Kconfig:158: symbol ATH9K_HTC depends on USB
warning: (DRM_NOUVEAU && DRM_I915 && DRM_GMA500) selects ACPI_VIDEO which has unmet direct dependencies (ACPI && X86 &&
+BACKLIGHT_CLASS_DEVICE && INPUT)
And there's apparently a better patch available already.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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I was lazy, rectify that! Also align with drm_atomic_state_get/put for
ocd.
v2: Git add helps.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161221130335.5321-1-daniel.vetter@ffwll.ch
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The fence registers are clobbered by a GPU reset. If there is concurrent
user access to a fenced region via a GTT mmaping, the access will not be
fenced during the reset (until we restore the fences afterwards). In order
to prevent invalid access during the reset, before we clobber the fences
first we must invalidate the GTT mmapings. Access to the mmap will then
be forced to fault in the page, and in handling the fault, i915_gem_fault()
will take the struct_mutex and wait upon the reset to complete.
v2: Fix up commentary.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99274
Testcase: igt/gem_mmap_gtt/hang
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170104145110.1486-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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Gen9+ platforms have been seeing a lot of screen flickerings and
underruns, so I never felt comfortable in enabling FBC on these
platforms since I didn't want to throw yet another feature on top of
the already complex problem. We now have code that automatically
disables FBC if we ever get an underrun, and the screen flickerings
seem to be mostly gone, so it may be a good time to try to finally
enable FBC by default on the newer platforms.
Besides, BDW FBC has been working fine over the year, which gives me a
little more confidence now.
For a little more information, please refer to commit a98ee79317b4
("drm/i915/fbc: enable FBC by default on HSW and BDW").
v2: Enable not only on SKL, but for everything new (Daniel).
v3: Rebase after the intel_sanitize_fbc_option() change.
v4: New rebase after 8 months, drop expired R-B tags.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1482495839-27041-1-git-send-email-paulo.r.zanoni@intel.com
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Back in 2014, commit fb7023e0e248 ("drm/i915: BDW: Adding Reserved PCI
IDs.") added the reserved PCI IDs in order to try to make sure we had
working drivers in case we ever released products using these IDs
(since we had instances of this type of problem in the past). The
problem is that the patch only touched the macros used by
early-quirks.c and by the user space components that rely on
i915_pciids.h, it didn't touch the macros used by i915_pci.c. So we
correctly handled the stolen memory for these theoretical IDs, but we
didn't actually drive the devices from i915.ko.
So this patch fixes the original commit by actually making i915.ko
drive these IDs, which was the goal. There's no information on what
would be the GT count on these IDs, so we just go with the safer
intel_broadwell_info, at the risk of ignoring a possibly inexistent
BSD2_RING.
I did some checking, and it seems that these IDs are driven by
intel-gpu-tools, xf86-video-intel and libdrm (since they contain old
copies of i915_pciids.h), but they are not checked by mesa.
The alternative to this patch would be to just assume we're actually
never going to use these IDs, and then remove them from our ID lists
and make sure our user space components sync the latest i915_pciids.h
copy. I'm fine with either approaches, as long as we make sure that
every component tries to drive the same list of PCI IDs.
Fixes: fb7023e0e248 ("drm/i915: BDW: Adding Reserved PCI IDs.")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1483473860-17644-3-git-send-email-paulo.r.zanoni@intel.com
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Commit 0853695c3ba4 ("drm: Add reference counting to drm_atomic_state")
adds reference counting to atomic state, but didn't update the comments
in drm_atomic_(nonblocking_)commit. Clarify lifetime a bit more.
Fixes: 0853695c3ba4 ("drm: Add reference counting to drm_atomic_state")
Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/7acd1c78-ea86-7776-d98d-c846186e4b88@linux.intel.com
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Add module alias for Sony ACX565AKM LCD panel. This makes it probe on Nokia
N900 when panel driver is built as a module.
Signed-off-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dsi.c compile fails if PRINT_VERBOSE_VM_TIMINGS is enabled, as the
video timings were not converted in the code behind that ifdef. Note
that PRINT_VERBOSE_VM_TIMINGS has to be enabled by hand, there's no
config option for it.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[tomi.valkeinen@ti.com: fixed the patch description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This commit fixes the VDAC disabling register write values.
Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
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When the HDMI output is configured by the bootloader, there is mismatch is the
pipeline configuration and the Vsync interrupt fails to trigger.
This commit disables the HDMI blocks in the probe phase.
Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
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Directly merge drm-misc into drm-intel since Dave is on vacation and
we need the various drm-misc patches (fb format rework, drm mm fixes,
selftest framework and others). Also pulled back -rc2 in first to
resync with drm-intel-fixes and make sure I can reuse the exact rerere
solutions from drm-tip for safety, and because I'm lazy.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Backmerge Linux 4.10-rc2 to resync with our -fixes cherry-picks. I've
done the backmerge directly because Dave is on vacation.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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If waiting for fences fails for blocking commits, planes must be cleaned
up before returning.
Cc: stable@vger.kernel.org
Fixes: f6ce410a59a4 ("drm/fence: allow fence waiting to be interrupted by userspace")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170102231427.7192-1-laurent.pinchart@ideasonboard.com
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When writing the generic nonblocking commit code I assumed that
through clever lifetime management I can assure that the completion
(stored in drm_crtc_commit) only gets freed after it is completed. And
that worked.
I also wanted to make nonblocking helpers resilient against driver
bugs, by having timeouts everywhere. And that worked too.
Unfortunately taking boths things together results in oopses :( Well,
at least sometimes: What seems to happen is that the drm event hangs
around forever stuck in limbo land. The nonblocking helpers eventually
time out, move on and release it. Now the bug I tested all this
against is drivers that just entirely fail to deliver the vblank
events like they should, and in those cases the event is simply
leaked. But what seems to happen, at least sometimes, on i915 is that
the event is set up correctly, but somohow the vblank fails to fire in
time. Which means the event isn't leaked, it's still there waiting for
eventually a vblank to fire. That tends to happen when re-enabling the
pipe, and then the trap springs and the kernel oopses.
The correct fix here is simply to refcount the crtc commit to make
sure that the event sticks around even for drivers which only
sometimes fail to deliver vblanks for some arbitrary reasons. Since
crtc commits are already refcounted that's easy to do.
References: https://bugs.freedesktop.org/show_bug.cgi?id=96781
Cc: Jim Rees <rees@umich.edu>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161221102331.31033-1-daniel.vetter@ffwll.ch
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The code was moved, but the comment not updated. It confused me.
Fixes: 7f4c62840cc4 ("drm/i915: Assign hwmode after encoder state readout")
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161219082423.27798-6-daniel.vetter@ffwll.ch
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Here, pci_iomap can fail, handle this case and return -ENOMEM.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483443027-13444-1-git-send-email-arvind.yadav.cs@gmail.com
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Fix build errors in nouveau driver when CONFIG_LEDS_CLASS=m and
CONFIG_DRM_NOUVEAU=y.
If LEDS_CLASS is enabled, DRM_NOUVEAU is restricted to the same
kconfig value as LEDS_CLASS.
drivers/built-in.o: In function `nouveau_do_suspend':
nouveau_drm.c:(.text+0x2030b1): undefined reference to `nouveau_led_suspend'
drivers/built-in.o: In function `nouveau_do_resume':
nouveau_drm.c:(.text+0x2034ca): undefined reference to `nouveau_led_resume'
drivers/built-in.o: In function `nouveau_drm_unload':
nouveau_drm.c:(.text+0x203a15): undefined reference to `nouveau_led_fini'
drivers/built-in.o: In function `nouveau_drm_load':
nouveau_drm.c:(.text+0x204423): undefined reference to `nouveau_led_init'
BTW, this line in Kbuild:
nouveau-$(CONFIG_LEDS_CLASS) += nouveau_led.o
does nothing when CONFIG_LEDS_CLASS=m and CONFIG_DRM_NOUVEAU=y.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Martin Peres <martin.peres@free.fr>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/029a1ec5-48ac-a3ce-3106-430e0f2584bb@infradead.org
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Revision 2 of LCDC suffers from an issue where a SYNC_LOST error
caused by limited memory bandwidth may leave the picture shifted a
couple pixels to the right.
This issue has not been observed on revision 1, while the recovery
mechanism introduces a different issue, where the END_OF_FRAME
interrupt doesn't fire while drm is waiting for vblanks.
On rev1: recover from sync lost errors by simply clearing the
RASTER_ENABLE bit in the RASTER_CTRL register and re-enabling it
again as is suggested by the datasheet.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
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The argument is never modified by the function, make it const.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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After commit 1c74eeaf16b8 ("drm/i915: Move number of scalers initialization to
runtime init"), scalers are not initialized properly for skl and glk
since num_scalers is left as 0 for those platforms.
Fixes: 1c74eeaf16b8 ("drm/i915: Move number of scalers initialization to runtime init")
Cc: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk> (v2)
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1483365281-10569-1-git-send-email-ander.conselvan.de.oliveira@intel.com
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Konrad Rzeszutek Wilk
Chris Wilson
Benjamin Gaignard
Arvind Yadav
Vincent Abriou
Fabien DESSENNE
Arnaud Pouliquen
Tomeu Vizoso
Fabio Estevam
Daniel Vetter
Paulo Zanoni
Maarten Lankhorst
Jarkko Nikula
H. Nikolaus Schaller
Neil Armstrong
Laurent Pinchart
Randy Dunlap
Bartosz Golaszewski
Laurent Pinchart
Ander Conselvan de Oliveira