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panfrost_gem_shrinker_scan() might purge a BO (release the sgt and
kill the GPU mapping) that's being freed by panfrost_gem_free_object()
if we don't remove the BO from the shrinker list at the beginning of
panfrost_gem_free_object().
Fixes: 013b65101315 ("drm/panfrost: Add madvise and shrinker support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191129135908.2439529-5-boris.brezillon@collabora.com
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We should release the reference we grabbed when an error occurs.
Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191129135908.2439529-4-boris.brezillon@collabora.com
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If 2 threads change the MADVISE property of the same BO in parallel we
might end up with an shmem->madv value that's inconsistent with the
presence of the BO in the shrinker list.
The easiest solution to fix that is to protect the
drm_gem_shmem_madvise() call with the shrinker lock.
Fixes: 013b65101315 ("drm/panfrost: Add madvise and shrinker support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191129135908.2439529-3-boris.brezillon@collabora.com
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Currently when setting a frequency in panfrost_devfreq_target the
returned frequency is the actual frequency that the clock driver reports
(the return of clk_get_rate()). However, where the provided OPPs don't
precisely match the frequencies that the clock actually achieves devfreq
will then complain (repeatedly):
devfreq devfreq0: Couldn't update frequency transition information.
To avoid this change panfrost_devfreq_target() to fetch the opp using
devfreq_recommened_opp() and not actually query the clock for the
frequency.
A similar problem exists with panfrost_devfreq_get_cur_freq(), but in
this case because the function is optional we can just remove it and
devfreq will fall back to using the previously set frequency.
Fixes: 221bc77914cb ("drm/panfrost: Use generic code for devfreq")
Signed-off-by: Steven Price <steven.price@arm.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191118173002.32015-1-steven.price@arm.com
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Several MGA G200 SE machines don't respect the value of the startadd
register field. After more feedback on affected machines, neither PCI
subvendor ID nor the internal ID seem to hint towards the bug. All
affected machines have a PCI ID of 0x0522 (i.e., G200 SE A). It was
decided to flag all G200 SE A machines as broken.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Fixes: 1591fadf857c ("drm/mgag200: Add workaround for HW that does not support 'startadd'")
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: John Donnelly <john.p.donnelly@oracle.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: "Y.C. Chen" <yc_chen@aspeedtech.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "José Roberto de Souza" <jose.souza@intel.com>
Cc: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.3+
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Allison Randal <allison@lohutok.net>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191206081901.9938-1-tzimmermann@suse.de
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[Why]
If the payload_state is DP_PAYLOAD_DELETE_LOCAL in series, current
code doesn't delete the payload at current index and just move the
index to next one after shuffling payloads.
[How]
Drop the i++ increasing part in for loop head and decide whether
to increase the index or not according to payload_state of current
payload.
Changes since v1:
* Refine the code to have it easy reading
* Amend the commit message to meet the way code is modified now.
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Fixes: 706246c761dd ("drm/dp_mst: Refactor drm_dp_update_payload_part1()")
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Juston Li <juston.li@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.1+
[Added cc for stable]
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191203042423.5961-1-Wayne.Lin@amd.com
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cec4fa7511ef7a73eb635834e9d85b25a5b47a98 ("drm/omap: use refcount API to
track the number of users of dma_addr") changed omap_gem.c to use
refcounting API to track dma_addr uses. However, the driver only tracks
the refcounts for non-contiguous buffers, and the patch didn't fully
take this in account.
After the patch, the driver always decreased refcount in omap_gem_unpin,
instead of decreasing the refcount only for non-contiguous buffers. This
leads to refcounting mismatch.
As for the contiguous cases the refcount is never increased, fix this
issue by returning from omap_gem_unpin if the buffer being unpinned is
contiguous.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191114080343.30704-1-tomi.valkeinen@ti.com
Fixes: cec4fa7511ef ("drm/omap: use refcount API to track the number of users of dma_addr")
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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On systems with STACKTRACE_SUPPORT=n, we get:
WARNING: unmet direct dependencies detected for STACKTRACE
Depends on [n]: STACKTRACE_SUPPORT
Selected by [y]:
- STACKDEPOT [=y]
and build errors such as:
m68k-linux-ld: kernel/stacktrace.o: in function `stack_trace_save':
(.text+0x11c): undefined reference to `save_stack_trace'
Add the missing deendency on STACKTRACE_SUPPORT.
Fixes: 12a280c72868 ("drm/dp_mst: Add topology ref history tracking for debugging")
Cc: Lyude Paul <lyude@redhat.com>
Cc: Sean Paul <sean@poorly.run>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191202133650.11964-1-linux@roeck-us.net
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There's at least one system that does not interpret the value of
the device's 'startadd' field correctly, which leads to incorrectly
displayed scanout buffers. Always placing the active scanout buffer
at offset 0 works around the problem.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reported-by: John Donnelly <john.p.donnelly@oracle.com>
Tested-by: John Donnelly <john.p.donnelly@oracle.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Fixes: 81da87f63a1e ("drm: Replace drm_gem_vram_push_to_system() with kunmap + unpin")
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: "Y.C. Chen" <yc_chen@aspeedtech.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "José Roberto de Souza" <jose.souza@intel.com>
Cc: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.3+
Link: https://gitlab.freedesktop.org/drm/misc/issues/7
Link: https://patchwork.freedesktop.org/patch/msgid/20191126101529.20356-4-tzimmermann@suse.de
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The flags field in struct mga_device has been unused so far. We now
use it to store flag bits from the PCI driver.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Fixes: 81da87f63a1e ("drm: Replace drm_gem_vram_push_to_system() with kunmap + unpin")
Cc: John Donnelly <john.p.donnelly@oracle.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: "Y.C. Chen" <yc_chen@aspeedtech.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "José Roberto de Souza" <jose.souza@intel.com>
Cc: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.3+
Link: https://patchwork.freedesktop.org/patch/msgid/20191126101529.20356-3-tzimmermann@suse.de
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Adds a conversion function that extracts the device type from the
PCI id-table flags. Allows for storing additional information in the
other flag bits.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 81da87f63a1e ("drm: Replace drm_gem_vram_push_to_system() with kunmap + unpin")
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: John Donnelly <john.p.donnelly@oracle.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Emil Velikov <emil.velikov@collabora.com>
Cc: "Y.C. Chen" <yc_chen@aspeedtech.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: "José Roberto de Souza" <jose.souza@intel.com>
Cc: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.3+
Link: https://patchwork.freedesktop.org/patch/msgid/20191126101529.20356-2-tzimmermann@suse.de
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When mapping ttm objects via drm_gem_ttm_mmap() helper
drm_gem_mmap_obj() will take an object reference. That gets
never released due to ttm having its own reference counting.
Fix that by dropping the gem object reference once the ttm mmap
completed (and ttm refcount got bumped).
For that to work properly the drm_gem_object_get() call in
drm_gem_ttm_mmap() must be moved so it happens before calling
obj->funcs->mmap(), otherwise the gem refcount would go down
to zero.
Fixes: 231927d939f0 ("drm/ttm: add drm_gem_ttm_mmap()")
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20191113135612.19679-1-kraxel@redhat.com
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If a process is interrupted while accessing the "gpu" debugfs file and
the drm device struct_mutex is contended, release() could return early
and fail to free related resources.
Note that the return value from release() is ignored.
Fixes: 4f776f4511c7 ("drm/msm/gpu: Convert the GPU show function to use the GPU state")
Cc: stable <stable@vger.kernel.org> # 4.18
Cc: Jordan Crouse <jcrouse@codeaurora.org>
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010131333.23635-2-johan@kernel.org
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
msm: Fix up a6xx debugbus register names (Sharat)
mst: Avoid u64 division (Sean)
Cc: Sharat Masetty <smasetty@codeaurora.org>
Cc: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20191106202730.GA199896@art_vandelay
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
One RCU fix and fix for suspend GEM_BUG_ON (with dependencies).
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107145058.GA17401@jlahtine-desk.ger.corp.intel.com
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https://github.com/ckhu-mediatek/linux.git-tags into drm-next
Mediatek DRM next for Linux 5.5 - 2
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1573093419.13645.5.camel@mtksdaap41
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Change rem_nsec to u32 since that's what do_div returns, this avoids the
u64 divide in the drm_print args.
Changes in v2:
- Instead of doing do_div in drm_print, make rem_nsec u32 (Ville)
Link to v1: https://patchwork.freedesktop.org/patch/msgid/20191106173622.15573-1-sean@poorly.run
Fixes: 12a280c72868 ("drm/dp_mst: Add topology ref history tracking for debugging")
Cc: Juston Li <juston.li@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Sean Paul <sean@poorly.run>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191106194121.164458-1-sean@poorly.run
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Fix the cx debugbus related register configuration, to collect accurate
bus data during gpu snapshot. This helps with complete snapshot dump
and also complete proper GPU recovery.
Fixes: 1707add81551 ("drm/msm/a6xx: Add a6xx gpu state")
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/339165
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Now that we support both reflections, we can expose 180 degree rotation
and rely on the simplify routine to convert that into REFLECT_X |
REFLECT_Y
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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Add support for REFLECT_X rotations.
Cc: Fritz Koenig <frkoenig@chromium.org>
Cc: Daniele Castagna <dcastagna@chromium.org>
Cc: Miguel Casas <mcasas@chromium.org>
Cc: Mark Yacoub <markyacoub@google.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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Expose the rotation property and handle REFLECT_Y rotations.
Cc: Fritz Koenig <frkoenig@chromium.org>
Cc: Daniele Castagna <dcastagna@chromium.org>
Cc: Miguel Casas <mcasas@chromium.org>
Cc: Mark Yacoub <markyacoub@google.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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This patch adds the ability for components to expose supported rotations
which will be exposed to userspace via a plane rotation property.
No functional changes in this patch.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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This allows components to implement a .layer_check callback for their
layers which is called during atomic_check.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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Instead of hard-coding which components have planes, add a helper
function to walk the components and map a plane index to a component
layer.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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Add a couple of functions which enumerate the number of planes for a
component and initialize the planes for a component.
No functional changes in this patch, but it will allow us to selectively
support rotation if the component supports it.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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These formats are handled in the rdma code, but for some reason they're
not published as supported formats for the planes. So add them to the
list.
Cc: Nicolas Boichat <drinkcat@chromium.org>
Cc: Daniele Castagna <dcastagna@chromium.org>
Cc: Miguel Casas <mcasas@chromium.org>
Tested-by: Miguel Casas <mcasas@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
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It's broken.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
References: https://lists.freedesktop.org/archives/dri-devel/2019-November/242625.html
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191105193829.11599-1-daniel.vetter@ffwll.ch
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drivers/gpu/drm/drm_dp_mst_topology.c: In function __topology_ref_save:
drivers/gpu/drm/drm_dp_mst_topology.c:1424:6: error: implicit declaration of function stack_trace_save; did you mean stack_depot_save? [-Werror=implicit-function-declaration]
n = stack_trace_save(stack_entries, ARRAY_SIZE(stack_entries), 1);
^~~~~~~~~~~~~~~~
stack_depot_save
drivers/gpu/drm/drm_dp_mst_topology.c: In function __dump_topology_ref_history:
drivers/gpu/drm/drm_dp_mst_topology.c:1513:3: error: implicit declaration of function stack_trace_snprint; did you mean acpi_trace_point? [-Werror=implicit-function-declaration]
stack_trace_snprint(buf, PAGE_SIZE, entries, nr_entries, 4);
^~~~~~~~~~~~~~~~~~~
acpi_trace_point
stack_trace_save and stack_trace_snprint are declared in <linux/stacktrace.h>,
so there is need to include it, and <linux/stackdepot.h> is already included
by practices, so just replace <linux/stackdepot.h> by <linux/stacktrace.h>.
Signed-off-by: Chenwandun <chenwandun@huawei.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1572515029-42087-1-git-send-email-chenwandun@huawei.com
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Call suspend_prepare first so that we don't leave GuC so confused.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101174405.7389-1-chris@chris-wilson.co.uk
(cherry picked from commit 833e979db36c0202f21e1e0bdd7339a27e50b8e3)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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The counter is removed from the pm wakeref count, but it remains intact
so that we can restore it upon resume. Ergo inside suspend, it may have
a value.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191104090158.2959-1-chris@chris-wilson.co.uk
(cherry picked from commit 83c55ee82f3ac5a1c36dab9f7150554c4da773a8)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Currently we shutdown rc6 during i915_gem_resume() but this is called
during the preparation phase (i915_drm_prepare) for all suspend paths,
but we only want to shutdown rc6 for S3+. Move the actual shutdown to
i915_gem_suspend_late().
We then need to differentiate between suspend targets, to distinguish S0
(s2idle) where the device is kept awake but needs to be in a low power
mode (the same as runtime suspend) from the device suspend levels where
we lose control of HW and so must disable any HW access to dangling
memory.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111909
Fixes: c113236718e8 ("drm/i915: Extract GT render sleep (rc6) management")
Testcase: igt/gem_exec_suspend/power-S0
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101141009.15581-4-chris@chris-wilson.co.uk
(cherry picked from commit c601cb2135fda0b5fb9d08153b0125fcb153c7e0)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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We already track the debugfs user_forcewake on the GT, so it is natural
to pull the suspend/resume handling under gt/ as well.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101141009.15581-3-chris@chris-wilson.co.uk
(cherry picked from commit 9ab3fe2d7dc39b088591b0121f041cbfd6bb1ef8)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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As we already do reload the kernel context in intel_gt_resume, repeating
that action inside i915_gem_resume() as well is redundant.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101141009.15581-2-chris@chris-wilson.co.uk
(cherry picked from commit c8f6cfc56fc86999725e71a19d91269482bd2c01)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Assume all responsibility for operating on the HW to sanitize the GT
state upon load/resume in intel_gt_sanitize() itself.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101141009.15581-1-chris@chris-wilson.co.uk
(cherry picked from commit 797a615357ac0feb79c9ce41f5eaac3eb738a51f)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Since the execlists_active() is no longer protected by the
engine->active.lock, we need to protect the request pointer with RCU to
prevent it being freed as we evaluate whether or not we need to preempt.
Fixes: df403069029d ("drm/i915/execlists: Lift process_csb() out of the irq-off spinlock")
Fixes: 13ed13a4dcbf ("drm/i915: Don't set queue_priority_hint if we don't kick the submission")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191104090158.2959-2-chris@chris-wilson.co.uk
(cherry picked from commit 7d148635253328dda7cfe55d57e3c828e9564427)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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git://people.freedesktop.org/~agd5f/linux into drm-next
drm-next-5.5-2019-11-01:
amdgpu:
- Add EEPROM support for Arcturus
- Enable VCN encode support for Arcturus
- Misc PSP fixes
- Misc DC fixes
- swSMU cleanup
amdkfd:
- Misc cleanups
- Fix typo in cu bitmap parsing
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101190607.3763-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
UAPI Changes:
- Make context persistence optional
Allow userspace to tie the context lifetime to FD lifetime,
effectively allowing Ctrl-C killing of a process to also clean
up the hardware immediately.
Compute changes: https://github.com/intel/compute-runtime/pull/228
The compute driver is shipping in Ubuntu. uAPI acked by Mesa folks.
- Put future HW and their uAPIs under STAGING & BROKEN
Introduces DRM_I915_UNSTABLE Kconfig menu for working on the new
uAPI for future HW in upstream. We already disable driver loading
by default the platform is deemed ready. This is a second level
of protection based on compile time switch (STAGING & BROKEN).
- Under DRM_I915_UNSTABLE: Add the fake lmem region on iGFX
Fake local memory region on integrated GPU through cmdline:
memmap=2G$16G i915.fake_lmem_start=0x400000000
Currently allows testing non-mappable GGTT behavior and running
kernel selftest for local memory.
Driver Changes:
- Fix Bugzilla #112084: VGA external monitor not working (Ville)
- Add support for half float framebuffers (Ville)
- Add perf support on TGL (Lionel)
- Replace hangcheck by heartbeats (Chris)
- Allow SPT PCH on all AML devices (James)
- Add new CNL PCH for CML platform (Imre)
- Allow 100 ms (Kconfig) for workloads to exit before reset (Chris, Jon, Joonas)
- Forcibly pre-empt a context after 100 ms (Kconfig) of delay (Chris)
- Make timeslice duration Kconfig configurable (Chris)
- Whitelist PS_(DEPTH|INVOCATION)_COUNT for Tigerlake (Tapani)
- Support creating LMEM objects in kernel (Matt A)
- Adjust the location of RING_MI_MODE in the context image for TGL (Chris)
- Handle AUX interrupts for TC ports (Matt R)
- Add support for devices without mappable GGTT aperture (Daniele)
- Rename "inject_load_failure" module parameter to "inject_probe_failure" (Janusz)
- Handle fused off HDCP, FBC, DMC and DSC (Jose)
- Add support to one DP-MST stream on Tigerlake (Lucas)
- Add HuC firmware (and GuC) for TGL (Daniele)
- Allow ICL+ DSI on any pipe (Ville)
- Check some transcoder timing minimum limits (Ville)
- Don't set queue_priority_hint if we don't kick the submission (Chris)
- Introduce barrier pulses along engines to flush idle/in-flight requests (Chris)
- Drop assertion that ce->pin_mutex guards state updates (Chris)
- Cancel banned contexts on schedule-out (Chris)
- Cancel contexts when hangchecking is disabled (Chris)
- Catch GTT fault errors for gen11+ planes (Matt R)
- Print in debugfs if PSR is not enabled because of sink (Jose)
- Do not set MOCS control values on dgfx (Lucas)
- Setup io-mapping for LMEM (Abdiel)
- Support kernel mapping of LMEM objects (Abdiel)
- Add LMEM selftests (Matt A)
- Initialise PMU spinlock before registering (Chris)
- Clear DKL_TX_PMD_LANE_SUS before program TC voltage swing (Jose)
- Flip interpretation of ips fmin/fmax to max rps (Chris)
- Add VBT compression parameter block definition (Jani)
- Limit the blitter sizes to ensure low preemption latency (Chris)
- Fixup block_size rounding on BLT (Matt A)
- Don't try to place HWS in non-existing mappable region (Michal Wa)
- Don't allocate the ring in stolen if we lack aperture (Matt A)
- Add AUX B & C to DC_OFF_POWER_DOMAINS for Tigerlake (Matt R)
- Avoid HPD poll detect triggering a new detect cycle (Imre)
- Document the userspace fail with possible_crtcs (Ville)
- Drop lrc header page now unused by GuC (Daniele)
- Do not switch aux to TBT mode for non-TC ports (Jose)
- Restructure code to avoid depending on i915 but smaller structs (Chris, Tvrtko, Andi)
- Remove pm park/unpark notifications (Chris)
- Avoid lockdep cross-contamination between object types (Chris)
- Restructure DSC code (Jani)
- Fix dead locking in early workload shadow (Zhenyu)
- Split the legacy submission backend from the common CS ring buffer (Chris)
- Move intel_engine_context_in/out into intel_lrc.c (Tvrtko)
- Describe perf/wakeref structure members in documentation (Anna)
- Update renamed header files names in documentation (Anna)
- Add debugs to distingiush a cd2x update from a full cdclk pll update (Ville)
- Rework atomic global state locking (Ville)
- Allow planes to declare their minimum acceptable cdclk (Ville)
- Eliminate skl_check_pipe_max_pixel_rate() and simplify skl_max_scale() (Ville)
- Making loglevel of PSR2/SU logs same (Ap)
- Capture aux page table error register (Lionel)
- Add is_dgfx to device info (Jose)
- Split gen11_irq_handler to make it shareable (Lucas)
- Encapsulate kconfig constant values inside boolean predicates (Chris)
- Split memory_region initialisation into its own file (Chris)
- Use _PICK() for CHICKEN_TRANS() and add CHICKEN_TRANS_D (Ville)
- Add perf helper macros for comparing with whitelisted registers (Umesh)
- Fix i915_inject_load_error() name to read *_probe_* (Janusz)
- Drop unused AUX register offsets (Matt R)
- Provide more information on DP AUX failures (Matt R)
- Add GAM/SFC instdone to error state (Mika)
- Always track callers to intel_rps_mark_interactive() (Chris)
- Nuke 'mode' argument to intel_get_load_detect_pipe() (Ville)
- Simplify LVDS crtc_mask and pipe_mask setup (Ville)
- Stop frobbing crtc->base.mode (Ville)
- Do s/crtc_mask/pipe_mask/ (Ville)
- Split detaching and removing the vma (Chris)
- Selftest improvements (Chris, Tvrtko, Mika, Matt A, Lionel)
- GuC code improvements (Rob, Andi, Daniele)
- Check against i915_selftest only under CONFIG_SELFTEST (Chris)
- Refine occupancy test in kill_context() (Chris)
- Start kthreads before stopping (Chris)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101104718.GA14323@jlahtine-desk.ger.corp.intel.com
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git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v5.5-rc1
The bulk of these changes is the addition of DisplayPort support for
Tegra210, Tegra186 and Tegra194. I've been running versions of this for
about three years now, so I'd consider these changes to be pretty
mature. These changes also unify the existing eDP support with the DP
support since the programming is very similar, except for a few steps
that can be easily parameterized.
The rest are a couple of fixes all over the place for minor issues, as
well as some work to support the IOMMU-backed DMA API, which in the end
turned out to also clean up a number of cases where the DMA API was not
being used correctly.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191102140116.3860545-1-thierry.reding@gmail.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.5:
UAPI Changes:
-dma-buf: Introduce and revert dma-buf heap (Andrew/John/Sean)
Cross-subsystem Changes:
- None
Core Changes:
-dma-buf: add dynamic mapping to allow exporters to choose dma_resv lock
state on mmap/munmap (Christian)
-vram: add prepare/cleanup fb helpers to vram helpers (Thomas)
-ttm: always keep bo's on the lru + ttm cleanups (Christian)
-sched: allow a free_job routine to sleep (Steven)
-fb_helper: remove unused drm_fb_helper_defio_init() (Thomas)
Driver Changes:
-bochs/hibmc/vboxvideo: Use new vram helpers for prepare/cleanup fb (Thomas)
-amdgpu: Implement dma-buf import/export without drm helpers (Christian)
-panfrost: Simplify devfreq integration in driver (Steven)
Cc: Christian König <christian.koenig@amd.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Steven Price <steven.price@arm.com>
Cc: Andrew F. Davis <afd@ti.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20191031193015.GA243509@art_vandelay
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Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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An interesting observation made with our parallel selftests was that on
our small/single cpu systems we would call kthread_stop() before the
kthreads were spawned. If this happens, the kthread is never run at all;
completely bypassing the test.
A simple yield() from the parent will ensure that all children have the
opportunity to start before we reap them.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101084940.31838-1-chris@chris-wilson.co.uk
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The i915_selftest module parameters only exist when
CONFIG_DRM_I915_SELFTEST is set.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101095147.9769-1-chris@chris-wilson.co.uk
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Currently configurations can be generated where IOMMU_SUPPORT is
disabled but IOMMU_IOVA is built as a module and DRM_TEGRA as built-in.
In such a case, the symbols guarded by IOMMU_IOVA will not be available
when linking the Tegra DRM driver and cause a linking failure.
Simplify this by unconditionally selecting IOMMU_IOVA, which makes sure
that it will be forced to =y if DRM_TEGRA=y. Technically we can now get
IOMMU_IOVA code built-in even if we don't use it (Tegra DRM only uses it
when IOMMU_SUPPORT is also enabled), but such configuration are of a
mostly academic nature. In all practical configurations we want IOMMU
support anyway.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Currently configurations can be generated where IOMMU_SUPPORT is
disabled but IOMMU_IOVA is built as a module and HOST1X as built-in. In
such a case, the symbols guarded by IOMMU_IOVA will not be available
when linking the host1x driver and cause a linking failure.
Simplify this by unconditionally selecting IOMMU_IOVA, which makes sure
that it will be forced to =y if HOST1X=y. Technically we can now get
IOMMU_IOVA code built-in even if we don't use it (host1x only uses it
when IOMMU_SUPPORT is also enabled), but such configuration are of a
mostly academic nature. In all practical configurations we want IOMMU
support anyway.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Don't just look at the very last request in a queue when deciding if we
need to evict the context from the GPU, as that request may still be in
the submission queue while the rest of the context is running!
Instead, walk back along the queued requests looking for the active
request and checking that.
Fixes: 2e0986a58cc4 ("drm/i915/gem: Cancel contexts when hangchecking is disabled")
Testcase: igt/gem_ctx_persistence/queued
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191031090104.22245-1-chris@chris-wilson.co.uk
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Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Intended for upstream testing so that we can still exercise the LMEM
plumbing and !i915_ggtt_has_aperture paths. Smoke tested on Skull Canyon
device. This works by allocating an intel_memory_region for a reserved
portion of system memory, which we treat like LMEM. For the LMEMBAR we
steal the aperture and 1:1 it map to the stolen region.
To enable simply set the i915 modparam fake_lmem_start= on the kernel
cmdline with the start of reserved region(see memmap=). The size of the
region we can use is determined by the size of the mappable aperture, so
the size of reserved region should be >= mappable_end. For now we only
enable for the selftests. Depends on CONFIG_DRM_I915_UNSTABLE being
enabled.
eg. memmap=2G$16G i915.fake_lmem_start=0x400000000
v2: make fake_lmem_start an i915 modparam
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191030173320.8850-1-matthew.auld@intel.com
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Non-TC ports always have tc_mode == TC_PORT_TBT_ALT so it was
switching aux to TBT mode for all combo-phy ports, happily this did
not caused any issue but is better follow BSpec.
Also this is reserved bit before ICL.
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Fixes: e9b7e1422d40 ("drm/i915: Sanitize the terminology used for TypeC port modes")
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191029011014.286885-1-jose.souza@intel.com
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Recent GuC doesn't require the shared area. We still have one user in
i915 (engine reset via guc) because we haven't updated the command to
match the current guc submission flow [1]. Since the flow in guc is
about to change again, just disable the command for now and add a note
that we'll implement it as part of the new flow.
[1] https://patchwork.freedesktop.org/patch/295038/
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Fernando Pacheco <fernando.pacheco@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191031013040.25803-2-daniele.ceraolospurio@intel.com
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Recent GuC binaries (including all the ones we're currently using)
don't require this shared area anymore, having moved the relevant
entries into the stage pool instead. i915 itself doesn't write
anything into it either, so we can safely drop it.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191031013040.25803-1-daniele.ceraolospurio@intel.com
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