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Start computing the vlv/chv watermarks the atomic way, from the
.compute_pipe_wm() hook. We'll recompute the actual watermarks
for only planes that are part of the state, the other planes will
keep their watermark from the last time it was computed.
And the actual watermark programming will happen from the
.initial_watermarks() hook. For now we'll just compute the
optimal watermarks, and we'll hook up the intermediate
watermarks properly later.
The DSPARB registers responsible for the FIFO paritioning are
double buffered, so they will be programming from
intel_begin_crtc_commit().
v2: s/noninverted/raw/ for consistency with other platforms
s/vlv_plane_wm_set/vlv_raw_plane_wm_set/ for clarity
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302171508.1666-8-ville.syrjala@linux.intel.com
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In a lot of place we wish to know which planes on the crtc are actually
visible, or how many of them there are. Let's start tracking that in a
bitmask in the crtc state.
We already track enabled planes (ie. ones with an fb and crtc specified by
the user) but that's not quite the same thing as enabled planes may
still end up being invisible due to clipping and whatnot.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302171508.1666-2-ville.syrjala@linux.intel.com
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Remove direct usages of intel_crtc->config from the DDI code. Functions
that didn't yet take a pipe_config as an argument were coverted to do
so.
v2: s/pipe_config/const crtc_state/ (Ville)
- take crtc from crtc_state. (Ville)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302125857.14665-7-ander.conselvan.de.oliveira@intel.com
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Pass intel_crtc to functions intel_ddi_enable_transcoder_func(),
intel_ddi_set_pipe_settings() and intel_ddi_set_vc_payload_alloc(),
instead of the generic crtc type. By changing the functions
intel_ddi_get_crtc_encoder() so that it receives an intel_crtc
parameter, there is no need for the drm_crtc in the callers.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302125857.14665-6-ander.conselvan.de.oliveira@intel.com
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It is preferred to pass pipe_config to functions instead of accessing
crtc->config directly. Follow suit and pass pipe_config to the fdi link
train functions.
v2: Add const; s/pipe_config/crtc_state/ (Ville)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302125857.14665-5-ander.conselvan.de.oliveira@intel.com
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Using crtc->config directly is being removed in favor of passing a
pipe_config. Follow the trend and pass pipe_config to pch_enable()
functions.
v2: s/pipe_config/crtc_state/ (Ville)
- constify crtc_state. (Ville)
- take crtc from crtc_state. (Ville)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302125857.14665-4-ander.conselvan.de.oliveira@intel.com
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The function intel_lpt_pch_enable() needs an intel_crtc so pass that
instead of the generic crtc type.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302125857.14665-3-ander.conselvan.de.oliveira@intel.com
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The implementation of the fdi_link_train() hooks need an intel_crtc so
just pass that instead of the generic crtc type.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302125857.14665-2-ander.conselvan.de.oliveira@intel.com
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Currently ILK-BDW explicitly disable LP1+ watermarks from their
.init_clock_gating() hooks. Unfortunately that hook gets called way too
late since by that time we've already initialized all the watermark
state tracking which then gets out of sync with the hardware state.
We may eventually want to consider killing off the explicit LP1+
disable from .init_clock_gating(). In the meantime however, we can
avoid the problem by reordering the init sequence such that
intel_modeset_init_hw()->intel_init_clock_gating() gets called
prior to the hardware state takeover.
I suppose prior to the two stage watermark programming we were
magically saved by something that forced the watermarks to be
reprogrammed fully after .init_clock_gating() got called. But
now that no longer happens.
Note that the diff might look a bit odd as it kills off one
call of intel_update_cdclk(), but that's fine because
intel_modeset_init_hw() does the exact same thing. Previously
we just did it twice.
Actually even this new init sequence is pretty bogus as
.init_clock_gating() really should be called before any gem
hardware init since it can configure various clock gating
workarounds and whatnot that affect the GT side as well. Also
intel_modeset_init() really should get split up into better
defined init stages. Another "fun" detail is that
intel_modeset_gem_init() is where RPS/RC6 gets configured.
Why that is done from the display code is beyond me. I've
decided to leave all this be for now, and just try to fix
the init sequence enough for watermarks to work.
Cc: stable@vger.kernel.org
Cc: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Cc: David Purton <dcpurton@marshwiggle.net>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reported-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Reported-by: David Purton <dcpurton@marshwiggle.net>
Tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96645
Fixes: ed4a6a7ca853 ("drm/i915: Add two-stage ILK-style watermark programming (v11)")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170220140443.30891-1-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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In order to make cursor updates actually safe wrt. watermark programming
we have to clear the legacy_cursor_update flag in the atomic state. That
will cause the regular atomic update path to do the necessary vblank
wait after the plane update if needed, otherwise the vblank wait would
be skipped and we'd feed the optimal watermarks to the hardware before
the plane update has actually happened.
To make the slow vs. fast path determination in
intel_legacy_cursor_update() a little simpler we can ignore the actual
visibility of the plane (which can only get computed once we've already
chosen out path) and instead we simply check whether the fb is being
set or cleared by the user. This means a fully clipped but logically
visible cursor will be considered visible as far as watermark
programming is concerned. We can do that for the cursor since it's a
fixed size plane and the clipped size doesn't play a role in the
watermark computation.
This should fix underruns that can occur when the cursor gets
enable/disabled or the size gets changed. Hopefully it's good enough
that only pure cursor movement and flips go through unthrottled.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Uwe Kleine-König <uwe@kleine-koenig.org>
Reported-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Fixes: f79f26921ee1 ("drm/i915: Add a cursor hack to allow converting legacy page flip to atomic, v3.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217150159.11683-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tested-by: Rafael Ristovski <rafael.ristovski@gmail.com>
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Reintroduce a lock around tiling vs framebuffer creation to prevent
modification of the obj->tiling_and_stride whilst the framebuffer is
being created. Rather than use struct_mutex once again, use the
per-object lock - this will also be required in future to prevent
changing the tiling whilst submitting rendering.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Fixes: 24dbf51a5517 ("drm/i915: struct_mutex is not required for allocating the framebuffer")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170301154128.2841-2-chris@chris-wilson.co.uk
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No more direct return -EINVAL as we have to unwind the
obj->framebuffer_references.
Fixes: 24dbf51a5517 ("drm/i915: struct_mutex is not required for allocating the framebuffer")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170301154128.2841-1-chris@chris-wilson.co.uk
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According to bspec, the DDI IO power domains should be enabled after
enabling the DPLL and mapping it to the DDI. The current order doesn't
seem to create problems with Skylake and Kabylake, but causes enable
timeouts in Geminilake.
v2: Rebase.
- Take power domain references before sanitizing encoders. (Imre)
- Add comment to get_encoder_power_domains() defition. (Ander)
v3: Don't put the domain if called with HSW/BDW's analog encoder. (CI)
v4: Put IO power domain before unmapping DPLL. (Imre)
- Change return type of intel_ddi_get_power_domains() to u64. (Imre)
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com> # v1
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170224141959.5955-1-ander.conselvan.de.oliveira@intel.com
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The encoder power domain is obviously tied to the encoder, so store it
in struct intel_encoder. This avoids some indirection.
v2: Rebase
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170222063431.10060-3-ander.conselvan.de.oliveira@intel.com
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The aux power domain only makes sense in the DP code. Storing it in
struct intel_dp avoids some indirection.
v2: Rebase
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170222063431.10060-2-ander.conselvan.de.oliveira@intel.com
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Backmerge the main pull request to sync up with all the newly landed
drivers. Otherwise we'll have chaos even before 4.12 started in
earnest.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Pass dev_priv to intel_atomic_setup_scalers(). The next patch will need
a dev_priv pointer.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170223071600.14356-4-ander.conselvan.de.oliveira@intel.com
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Geminilake can output two pixels per clock, and that affects the maximum
scaling factor for its scalers. Take that into account and avoid the
following warning:
WARNING: CPU: 1 PID: 593 at drivers/gpu/drm/i915/intel_display.c:13223 skl_max_scale.part.129+0x78/0x80 [i915]
WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock)
Modules linked in: x86_pkg_temp_thermal i915 coretemp kvm_intel kvm i2c_algo_bit drm_kms_helper irqbypass crct10dif_pclmul prime_numbers crc32_pclmul drm ghash_clmulni_intel shpchp tpm_tis tpm_tis_core tpm nfsd authw
CPU: 1 PID: 593 Comm: kworker/u8:3 Tainted: G W 4.10.0-rc8ander+ #330
Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS GELKRVPA.X64.0035.B33.1702150552 02/15/2017
Workqueue: events_unbound async_run_entry_fn
Call Trace:
dump_stack+0x86/0xc3
__warn+0xcb/0xf0
warn_slowpath_fmt+0x5f/0x80
skl_max_scale.part.129+0x78/0x80 [i915]
intel_check_primary_plane+0xa6/0xc0 [i915]
intel_plane_atomic_check_with_state+0xd1/0x1a0 [i915]
? drm_printk+0xb5/0xc0 [drm]
intel_plane_atomic_check+0x3d/0x80 [i915]
drm_atomic_helper_check_planes+0x7c/0x200 [drm_kms_helper]
intel_atomic_check+0xa5b/0x11a0 [i915]
drm_atomic_check_only+0x353/0x600 [drm]
? drm_atomic_add_affected_connectors+0x10c/0x120 [drm]
drm_atomic_commit+0x18/0x50 [drm]
restore_fbdev_mode+0x14c/0x2a0 [drm_kms_helper]
drm_fb_helper_restore_fbdev_mode_unlocked+0x34/0x80 [drm_kms_helper]
drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
intel_fbdev_set_par+0x1a/0x70 [i915]
fbcon_init+0x582/0x610
visual_init+0xd6/0x130
do_bind_con_driver+0x1da/0x3c0
do_take_over_console+0x116/0x180
do_fbcon_takeover+0x5c/0xb0
fbcon_event_notify+0x772/0x8a0
? __blocking_notifier_call_chain+0x35/0x70
notifier_call_chain+0x4a/0x70
__blocking_notifier_call_chain+0x4d/0x70
blocking_notifier_call_chain+0x16/0x20
fb_notifier_call_chain+0x1b/0x20
register_framebuffer+0x278/0x360
drm_fb_helper_initial_config+0x253/0x440 [drm_kms_helper]
intel_fbdev_initial_config+0x18/0x30 [i915]
async_run_entry_fn+0x39/0x170
process_one_work+0x212/0x670
? process_one_work+0x197/0x670
worker_thread+0x4e/0x490
kthread+0x101/0x140
? process_one_work+0x670/0x670
? kthread_create_on_node+0x60/0x60
ret_from_fork+0x31/0x40
v2: s/max_pixclk/max_dotclk/ (Ville)
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170223071600.14356-3-ander.conselvan.de.oliveira@intel.com
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Linux 4.10-rc8
Backmerge Linus rc8 to fix some conflicts, but also
to avoid pulling it in via a fixes pull from someone.
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Setting retire=true is identical to using origin=ORIGIN_CS, so make the
same simplification to intel_fb_obj_flush() as already employed for
intel_fb_obj_invalidate().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170222114049.28456-6-chris@chris-wilson.co.uk
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Flushing the cachelines for an object is slow, can be as much as 100ms
for a large framebuffer. We currently do this under the struct_mutex BKL
on execution or on pageflip. But now with the ability to add fences to
obj->resv for both flips and execbuf (and we naturally wait on the fence
before CPU access), we can move the clflush operation to a workqueue and
signal a fence for completion, thereby doing the work asynchronously and
not blocking the driver or its clients.
v2: Introduce i915_gem_clflush.h and use a new name, split out some
extras into separate patches.
Suggested-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170222114049.28456-5-chris@chris-wilson.co.uk
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We have three different paths by which userspace wants to flush the
display plane (i.e. objects with obj->pin_display). Use a common helper
to identify those paths and to simplify a later change.
v2: Include the conditional in the name, i915_gem_object_flush_if_display
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170222114049.28456-3-chris@chris-wilson.co.uk
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Verify that the refcount of all power wells match their HW enabled
state at the end of modeset HW state readout.
Also add documentation on how the reference count for each power well is
supposed to be acquired during initialization and HW state readout.
Suggested by Ander.
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487345986-26511-6-git-send-email-imre.deak@intel.com
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Now that the pre-csc degamma table is set up correctly in Geminilake,
pipe CSC can be enabled without causing a black screen.
v2: Rebase.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170217120630.6143-3-ander.conselvan.de.oliveira@intel.com
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We do not need the BKL struct_mutex in order to allocate a GEM object,
nor to create the framebuffer, so resist the temptation to take the BKL
willy nilly. As this changes the locking contract around internal API
calls, the patch is a little larger than a plain removal of a pair of
mutex_lock/unlock.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215105919.7347-2-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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We do not need to hold struct_mutex for destroying drm_i915_gem_objects
any longer, and with a little care taken over tracking
obj->framebuffer_references, we can relinquish BKL locking around the
destroy of intel_framebuffer.
v2: Use atomic check for WARN_ON framebuffer miscounting
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170216094621.3426-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Once upon a time before we had automated GPU state capture upon hangs,
we had intel_gpu_dump. Now we come almost full circle and reinstate that
view of the current GPU queues and registers by using the error capture
facility to snapshot the GPU state when debugfs/.../i915_gpu_info is
opened - which should provided useful debugging to both the error
capture routines (without having to cause a hang and avoid the error
state being eaten by igt) and generally.
v2: Rename drm_i915_error_state to i915_gpu_state to alleviate some name
collisions between the error state dump and inspecting the gpu state.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170214164611.11381-1-chris@chris-wilson.co.uk
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Add for_each_(old)(new)_(plane,connector,crtc)_in_state iterators to
replace the old for_each_xxx_in_state ones. This is useful for >1 flip
depth and getting rid of all xxx->state dereferences.
This requires extra fixups done when committing a state after
duplicating, which in general isn't valid but is used by suspend/resume.
To handle these, introduce drm_atomic_helper_commit_duplicated_state
which performs those fixups before checking & committing the state.
Changes since v1:
- Remove nonblock parameter for commit_duplicated_state.
Changes since v2:
- Use commit_duplicated_state for i915 load detection.
- Add WARN_ON(old_state != obj->state) before swapping.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1484559464-27107-2-git-send-email-maarten.lankhorst@linux.intel.com
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This removes the usage of intel_ring_emit in favour of
directly writing to the ring buffer.
intel_ring_emit was preventing the compiler for optimising
fetch and increment of the current ring buffer pointer and
therefore generating very verbose code for every write.
It had no useful purpose since all ringbuffer operations
are started and ended with intel_ring_begin and
intel_ring_advance respectively, with no bail out in the
middle possible, so it is fine to increment the tail in
intel_ring_begin and let the code manage the pointer
itself.
Useless instruction removal amounts to approximately
two and half kilobytes of saved text on my build.
Not sure if this has any measurable performance
implications but executing a ton of useless instructions
on fast paths cannot be good.
v2:
* Change return from intel_ring_begin to error pointer by
popular demand.
* Move tail increment to intel_ring_advance to enable some
error checking.
v3:
* Move tail advance back into intel_ring_begin.
* Rebase and tidy.
v4:
* Complete rebase after a few months since v3.
v5:
* Remove unecessary cast and fix !debug compile. (Chris Wilson)
v6:
* Make intel_ring_offset take request as well.
* Fix recording of request postfix plus a sprinkle of asserts.
(Chris Wilson)
v7:
* Use intel_ring_offset to get the postfix. (Chris Wilson)
* Convert GVT code as well.
v8:
* Rename *out++ to *cs++.
v9:
* Fix GVT out to cs conversion in GVT.
v10:
* Rebase for new intel_ring_begin in selftests.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170214113242.29241-1-tvrtko.ursulin@linux.intel.com
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I screwed up the rebase of commit d8fc70b7367b ("drm/i915: Make power
domain masks 64 bit long") before sending v2, causing a couple of
conversions from 32 to 64 bit masks to be lost.
Fixes: d8fc70b7367b ("drm/i915: Make power domain masks 64 bit long")
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170213145733.8779-1-ander.conselvan.de.oliveira@intel.com
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Replace the VLV/CHV check with a HAS_GMCH_DISPLAY check in
intel_fb_pitch_limit(), because it's shorter.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170208175328.11064-1-ville.syrjala@linux.intel.com
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
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There are currently 30 power domains, which puts us pretty close to the
limit with 32 bit masks. Prepare for the future and increase the limit
to 64 bit.
v2: Rebase
v3: s/unsigned long long/u64/ (Joonas)
Allow the 64th bit of the mask to be used. (Joonas)
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170209093121.24410-1-ander.conselvan.de.oliveira@intel.com
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Move ilk_pipe_pixel_rate() next to its only caller
(intel_crtc_compute_pixel_rate()).
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170120182205.8141-15-ville.syrjala@linux.intel.com
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With the cdclk state, all the .modeset_commit_cdclk() hooks are
now pointless wrappers. Let's replace them with just a .set_cdclk()
function pointer. However let's wrap that in a small helper that
does the state comparison and prints a unified debug message across
all platforms. We didn't even have the debug print on all platforms
previously. This reduces the clutter in intel_atomic_commit_tail() a
little bit.
v2: Wrap .set_cdclk() in intel_set_cdclk()
v3: Add kernel-docs
v4: Deal with IS_GEN9_BC()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170126195201.32638-1-ville.syrjala@linux.intel.com
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The current dev_cdclk vs. cdclk vs. atomic_cdclk_freq is quite a mess.
So here I'm introducing the "actual" and "logical" naming for our
cdclk state. "actual" is what we'll bash into the hardware and "logical"
is what everyone should use for state computaion/checking and whatnot.
We'll track both using the intel_cdclk_state as both will need other
differing parameters than just the actual cdclk frequency.
While doing that we can at the same time unify the appearance of the
.modeset_calc_cdclk() implementations a little bit.
v2: Commit dev_priv->cdclk.actual since that already has the
new state by the time .modeset_commit_cdclk() is called.
v3: s/locical/logical/ and improve the docs a bit
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170120182205.8141-9-ville.syrjala@linux.intel.com
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Introduce intel_cdclk state which for now will track the cdclk
frequency, the vco frequency and the reference frequency (not sure we
want the last one, but I put it there anyway). We'll also make the
.get_cdclk() function fill out this state structure rather than
just returning the current cdclk frequency.
One immediate benefit is that calling .get_cdclk() will no longer
clobber state stored under dev_priv unless ex[plicitly told to do
so. Previously it clobbered the vco and reference clocks stored
there on some platforms.
We'll expand the use of this structure to actually precomputing the
state and whatnot later.
v2: Constify intel_cdclk_state_compare()
v3: Document intel_cdclk_state_compare()
v4: Deal with i945gm_get_cdclk()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170207183345.19763-1-ville.syrjala@linux.intel.com
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Let's try to shrink intel_display.c a bit by moving the cdclk/rawclk
stuff to a new file. It's all reasonably self contained so we don't
even have to add that many non-static symbols.
We'll also take the opportunity to shuffle around the functions a bit
to get things in a more consistent order based on the platform.
v2: Add kernel-docs (Ander)
v3: Deal with IS_GEN9_BC()
v4: Deal with i945gm_get_cdclk()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170207183305.19656-1-ville.syrjala@linux.intel.com
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Let's clean up the mess we have in the if ladder that assigns the
.get_cdclk() hooks. The grouping of the platforms by the function
results in a thing that's not really legible, so let's do it the
other way around and order the if ladder by platform and duplicate
whatever assignments we need.
To further avoid confusion with the function names let's rename
them to just fixed_<freq>_get_cdclk(). The other option would
be to duplicate the functions entirely but it seems quite
pointless to do that since each one just returns a fixed value.
v2: Deal with i945gm_get_cdclk()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170207183226.19537-1-ville.syrjala@linux.intel.com
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Rename the .get_display_clock_speed() hook to .get_cdclk().
.get_cdclk() is more specific (which clock) and it's much
shorter.
v2: Deal with IS_GEN9_BC()
v3: Deal with i945gm_get_display_clock_speed()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170207183146.19420-1-ville.syrjala@linux.intel.com
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ilk_max_pixel_rate() will now give the "correct" pixel rate for all
platforms, so let's rename it to intel_max_pixel_rate() and kill
off intel_mode_max_pixclk().
v2: Fix typo in commit message (Ander)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170120182205.8141-3-ville.syrjala@linux.intel.com
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Rather than recomputing the pipe pixel rate on demand everywhere, let's
just stick the precomputed value into the crtc state.
v2: Rebase due to min_pixclk[] code movement
Document the new pixel_rate struct member (Ander)
Combine vlv/chv with bdw+ in intel_modeset_readout_hw_state()
v3: Fix typos in commit message (David)
Cc: Ander Conselvan De Oliveira <conselvan2@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170126195031.32343-1-ville.syrjala@linux.intel.com
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page_flip_completed() dereferences 'work' variable after executing
queue_work(). This is not safe as the 'work' item might be already freed
by queued work:
BUG: KASAN: use-after-free in page_flip_completed+0x3ff/0x490 at addr ffff8803dc010f90
Call Trace:
__asan_report_load8_noabort+0x59/0x80
page_flip_completed+0x3ff/0x490
intel_finish_page_flip_mmio+0xe3/0x130
intel_pipe_handle_vblank+0x2d/0x40
gen8_irq_handler+0x4a7/0xed0
__handle_irq_event_percpu+0xf6/0x860
handle_irq_event_percpu+0x6b/0x160
handle_irq_event+0xc7/0x1b0
handle_edge_irq+0x1f4/0xa50
handle_irq+0x41/0x70
do_IRQ+0x9a/0x200
common_interrupt+0x89/0x89
Freed:
kfree+0x113/0x4d0
intel_unpin_work_fn+0x29a/0x3b0
process_one_work+0x79e/0x1b70
worker_thread+0x611/0x1460
kthread+0x241/0x3a0
ret_from_fork+0x27/0x40
Move queue_work() after trace_i915_flip_complete() to fix this.
Fixes: e5510fac98a7 ("drm/i915: add tracepoints for flip requests & completions")
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: <stable@vger.kernel.org> # v2.6.36+
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170126143211.24013-1-aryabinin@virtuozzo.com
(cherry picked from commit 05c41f926fcc7ef838c80a6a99d84f67b4e0b824)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This is according to Mobile Intel® 945 Express Chipset
Family datasheet.
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Link: http://patchwork.freedesktop.org/patch/msgid/20170131235026.26003-1-arthur@aheymans.xyz
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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If we have any residual freed atomic state from earlier commits, flush
the freed list after performing the current modeset. This prevents the
freed list from ever-growing if userspace manages to starve the kernel
threads (i.e. we are never able to run our free state worker and
eventually the system may even oom).
Fixes: eb955eee27d9 ("drm/i915: Move atomic state free from out of fence release")
Testcase: igt/kms_cursor/legacy/all-pipes-single-bo
Reported-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170202204741.18231-1-chris@chris-wilson.co.uk
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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If the crtc was brought up with audio before the driver loads,
then crtc_disable will remove a refcount to audio that doesn't exist
before.
Fortunately we already set power domains on readout, so we can just add
the power domain handling to get_crtc_power_domains, which will update
the power domains correctly in all cases.
This was found when testing module reload on CI with the crtc enabled,
which resulted in the following warn after module reload + modeset:
[ 24.197041] ------------[ cut here ]------------
[ 24.197075] WARNING: CPU: 0 PID: 99 at drivers/gpu/drm/i915/intel_runtime_pm.c:1790 intel_display_power_put+0x134/0x140 [i915]
[ 24.197076] Use count on domain AUDIO is already zero
[ 24.197098] CPU: 0 PID: 99 Comm: kworker/u8:2 Not tainted 4.9.0-CI-Trybot_393+ #1
[ 24.197099] Hardware name: /NUC6i5SYB, BIOS SYSKLi35.86A.0042.2016.0409.1246 04/09/2016
[ 24.197102] Workqueue: events_unbound async_run_entry_fn
[ 24.197105] ffffc900003c7688 ffffffff81435b35 ffffc900003c76d8 0000000000000000
[ 24.197107] ffffc900003c76c8 ffffffff8107e4d6 000006fe5dc36f28 ffff88025dc30054
[ 24.197109] ffff88025dc36f28 ffff88025dc30000 ffff88025dc30000 0000000000000015
[ 24.197110] Call Trace:
[ 24.197113] [<ffffffff81435b35>] dump_stack+0x67/0x92
[ 24.197116] [<ffffffff8107e4d6>] __warn+0xc6/0xe0
[ 24.197118] [<ffffffff8107e53a>] warn_slowpath_fmt+0x4a/0x50
[ 24.197149] [<ffffffffa039b4b4>] intel_display_power_put+0x134/0x140 [i915]
[ 24.197187] [<ffffffffa04217dd>] intel_disable_ddi+0x4d/0x80 [i915]
[ 24.197223] [<ffffffffa03f388f>] intel_encoders_disable.isra.74+0x7f/0x90 [i915]
[ 24.197257] [<ffffffffa03f6c05>] haswell_crtc_disable+0x55/0x170 [i915]
[ 24.197292] [<ffffffffa03fec88>] intel_atomic_commit_tail+0x108/0xfd0 [i915]
[ 24.197295] [<ffffffff810d47c6>] ? __lock_is_held+0x66/0x90
[ 24.197330] [<ffffffffa03fff79>] intel_atomic_commit+0x429/0x560 [i915]
[ 24.197332] [<ffffffff81570186>] ?drm_atomic_add_affected_connectors+0x56/0xf0
[ 24.197334] [<ffffffff8156f726>] drm_atomic_commit+0x46/0x50
[ 24.197336] [<ffffffff81553f87>] restore_fbdev_mode+0x147/0x270
[ 24.197337] [<ffffffff81555bee>] drm_fb_helper_restore_fbdev_mode_unlocked+0x2e/0x70
[ 24.197339] [<ffffffff81555aa8>] drm_fb_helper_set_par+0x28/0x50
[ 24.197374] [<ffffffffa041c7d3>] intel_fbdev_set_par+0x13/0x70 [i915]
[ 24.197376] [<ffffffff8149e07a>] fbcon_init+0x57a/0x600
[ 24.197379] [<ffffffff81514b71>] visual_init+0xd1/0x130
[ 24.197381] [<ffffffff8151603c>] do_bind_con_driver+0x1bc/0x3a0
[ 24.197384] [<ffffffff81516521>] do_take_over_console+0x111/0x180
[ 24.197386] [<ffffffff8149e152>] do_fbcon_takeover+0x52/0xb0
[ 24.197387] [<ffffffff814a12c3>] fbcon_event_notify+0x723/0x850
[ 24.197390] [<ffffffff810a4830>] ?__blocking_notifier_call_chain+0x30/0x70
[ 24.197392] [<ffffffff810a44a4>] notifier_call_chain+0x34/0xa0
[ 24.197394] [<ffffffff810a4848>] __blocking_notifier_call_chain+0x48/0x70
[ 24.197397] [<ffffffff810a4881>] blocking_notifier_call_chain+0x11/0x20
[ 24.197398] [<ffffffff814a4556>] fb_notifier_call_chain+0x16/0x20
[ 24.197400] [<ffffffff814a678c>] register_framebuffer+0x24c/0x330
[ 24.197402] [<ffffffff815558d9>] drm_fb_helper_initial_config+0x219/0x3c0
[ 24.197436] [<ffffffffa041d373>] intel_fbdev_initial_config+0x13/0x30 [i915]
[ 24.197438] [<ffffffff810a5d44>] async_run_entry_fn+0x34/0x140
[ 24.197440] [<ffffffff8109c26c>] process_one_work+0x1ec/0x6b0
[ 24.197442] [<ffffffff8109c1e6>] ? process_one_work+0x166/0x6b0
[ 24.197445] [<ffffffff8109c779>] worker_thread+0x49/0x490
[ 24.197447] [<ffffffff8109c730>] ? process_one_work+0x6b0/0x6b0
[ 24.197448] [<ffffffff810a2a9b>] kthread+0xeb/0x110
[ 24.197451] [<ffffffff810a29b0>] ? kthread_park+0x60/0x60
[ 24.197453] [<ffffffff818241a7>] ret_from_fork+0x27/0x40
[ 24.197476] ---[ end trace bda64b683b8e8162 ]---
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1481812185-19098-3-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Chris Wilson wants the new fence tracepoint added in
commit 8c96c678011eeb1676da18f203e90dea7e0d69d2
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Jan 24 11:57:58 2017 +0000
dma/fence: Export enable-signaling tracepoint for emission by drivers
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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With atomic plane states we are able to track an allocation right from
preparation, during use and through to the final free after being
swapped out for a new plane. We can couple the VMA we pin for the
framebuffer (and its rotation) to this lifetime and avoid all the clumsy
lookups in between.
v2: Remove residual vma on plane cleanup (Chris)
v3: Add a description for the vma destruction in
intel_plane_destroy_state (Maarten)
References: https://bugs.freedesktop.org/show_bug.cgi?id=98829
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170116152131.18089-1-chris@chris-wilson.co.uk
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
(cherry picked from commit be1e341513ca23b0668b7b0f26fa6e2ffc46ba20)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1485854491-27389-3-git-send-email-maarten.lankhorst@linux.intel.com
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Another round of -misc stuff:
- Noralf debugfs cleanup cleanup (not yet everything, some more driver
patches awaiting acks).
- More doc work.
- edid/infoframe fixes from Ville.
- misc 1-patch fixes all over, as usual
Noralf needs this for his tinydrm pull request.
* tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc: (48 commits)
drm/vc4: Remove vc4_debugfs_cleanup()
dma/fence: Export enable-signaling tracepoint for emission by drivers
drm/tilcdc: Remove tilcdc_debugfs_cleanup()
drm/tegra: Remove tegra_debugfs_cleanup()
drm/sti: Remove drm_debugfs_remove_files() calls
drm/radeon: Remove drm_debugfs_remove_files() call
drm/omap: Remove omap_debugfs_cleanup()
drm/hdlcd: Remove hdlcd_debugfs_cleanup()
drm/etnaviv: Remove etnaviv_debugfs_cleanup()
drm/etnaviv: allow build with COMPILE_TEST
drm/amd/amdgpu: Remove drm_debugfs_remove_files() call
drm/prime: Clarify DMA-BUF/GEM Object lifetime
drm/ttm: Make sure BOs being swapped out are cacheable
drm/atomic: Remove drm_atomic_debugfs_cleanup()
drm: drm_minor_register(): Clean up debugfs on failure
drm: debugfs: Remove all files automatically on cleanup
drm/fourcc: add vivante tiled layout format modifiers
drm/edid: Set YQ bits in the AVI infoframe according to CEA-861-F
drm/edid: Set AVI infoframe Q even when QS=0
drm/edid: Introduce drm_hdmi_avi_infoframe_quant_range()
...
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In Geminilake, the bits for enabling pipe csc, pipe gamma and plane
gamma moved to a new register. So update the plane update functions
to set the right bits.
Pipe CSC is kept disabled though, since enabling that also enables the
dedicated degamma table, and that is not properly programmed yet,
leading to a black screen.
v2: Use plane_id. (Ville)
Remove unnecessary variable. (Ville)
Keep registers in offset order. (Ville)
Don't set plane gamma disable twice. (Ander)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Ander Conselvan De Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1485429865-10687-3-git-send-email-ander.conselvan.de.oliveira@intel.com
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I've seen this trigger twice now, where the i915_gem_object_to_ggtt()
call in intel_unpin_fb_obj() returns NULL, resulting in an oops
immediately afterwards as the (inlined) call to i915_vma_unpin_fence()
tries to dereference it.
It seems to be some race condition where the object is going away at
shutdown time, since both times happened when shutting down the X
server. The call chains were different:
- VT ioctl(KDSETMODE, KD_TEXT):
intel_cleanup_plane_fb+0x5b/0xa0 [i915]
drm_atomic_helper_cleanup_planes+0x6f/0x90 [drm_kms_helper]
intel_atomic_commit_tail+0x749/0xfe0 [i915]
intel_atomic_commit+0x3cb/0x4f0 [i915]
drm_atomic_commit+0x4b/0x50 [drm]
restore_fbdev_mode+0x14c/0x2a0 [drm_kms_helper]
drm_fb_helper_restore_fbdev_mode_unlocked+0x34/0x80 [drm_kms_helper]
drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
intel_fbdev_set_par+0x18/0x70 [i915]
fb_set_var+0x236/0x460
fbcon_blank+0x30f/0x350
do_unblank_screen+0xd2/0x1a0
vt_ioctl+0x507/0x12a0
tty_ioctl+0x355/0xc30
do_vfs_ioctl+0xa3/0x5e0
SyS_ioctl+0x79/0x90
entry_SYSCALL_64_fastpath+0x13/0x94
- i915 unpin_work workqueue:
intel_unpin_work_fn+0x58/0x140 [i915]
process_one_work+0x1f1/0x480
worker_thread+0x48/0x4d0
kthread+0x101/0x140
and this patch purely papers over the issue by adding a NULL pointer
check and a WARN_ON_ONCE() to avoid the oops that would then generally
make the machine unresponsive.
Other callers of i915_gem_object_to_ggtt() seem to also check for the
returned pointer being NULL and warn about it, so this clearly has
happened before in other places.
[ Reported it originally to the i915 developers on Jan 8, applying the
ugly workaround on my own now after triggering the problem for the
second time with no feedback.
This is likely to be the same bug reported as
https://bugs.freedesktop.org/show_bug.cgi?id=98829
https://bugs.freedesktop.org/show_bug.cgi?id=99134
which has a patch for the underlying problem, but it hasn't gotten to
me, so I'm applying the workaround. ]
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
Ville Syrjälä
Ander Conselvan de Oliveira
Chris Wilson
Daniel Vetter
Dave Airlie
Imre Deak
Maarten Lankhorst
Tvrtko Ursulin
Andrey Ryabinin
Arthur Heymans
Linus Torvalds