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Since we have the ttm and gem vma managers using a subset
of the file address space for objects, and these start at
0x100000000 they will overflow the new mmap checks.
I've checked all the mmap routines I could see for any
bad behaviour but overall most people use GEM/TTM VMA
managers even the legacy drivers have a hashtable.
Reported-and-Tested-by: Arthur Marsh (amarsh04 on #radeon)
Fixes: be83bbf8068 (mmap: introduce sane default mmap limits)
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The performance drop if the default TDP more than 256 Watt
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Two nouveau crasher/deadlock fixes.
* 'linux-4.17' of git://github.com/skeggsb/linux:
drm/nouveau: Fix deadlock in nv50_mstm_register_connector()
drm/nouveau/ttm: don't dereference nvbo::cli, it can outlive client
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Currently; we're grabbing all of the modesetting locks before adding MST
connectors to fbdev. This isn't actually necessary, and causes a
deadlock as well:
======================================================
WARNING: possible circular locking dependency detected
4.17.0-rc3Lyude-Test+ #1 Tainted: G O
------------------------------------------------------
kworker/1:0/18 is trying to acquire lock:
00000000c832f62d (&helper->lock){+.+.}, at: drm_fb_helper_add_one_connector+0x2a/0x60 [drm_kms_helper]
but task is already holding lock:
00000000942e28e2 (crtc_ww_class_mutex){+.+.}, at: drm_modeset_backoff+0x8e/0x1c0 [drm]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (crtc_ww_class_mutex){+.+.}:
ww_mutex_lock+0x43/0x80
drm_modeset_lock+0x71/0x130 [drm]
drm_helper_probe_single_connector_modes+0x7d/0x6b0 [drm_kms_helper]
drm_setup_crtcs+0x15e/0xc90 [drm_kms_helper]
__drm_fb_helper_initial_config_and_unlock+0x29/0x480 [drm_kms_helper]
nouveau_fbcon_init+0x138/0x1a0 [nouveau]
nouveau_drm_load+0x173/0x7e0 [nouveau]
drm_dev_register+0x134/0x1c0 [drm]
drm_get_pci_dev+0x8e/0x160 [drm]
nouveau_drm_probe+0x1a9/0x230 [nouveau]
pci_device_probe+0xcd/0x150
driver_probe_device+0x30b/0x480
__driver_attach+0xbc/0xe0
bus_for_each_dev+0x67/0x90
bus_add_driver+0x164/0x260
driver_register+0x57/0xc0
do_one_initcall+0x4d/0x323
do_init_module+0x5b/0x1f8
load_module+0x20e5/0x2ac0
__do_sys_finit_module+0xb7/0xd0
do_syscall_64+0x60/0x1b0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #2 (crtc_ww_class_acquire){+.+.}:
drm_helper_probe_single_connector_modes+0x58/0x6b0 [drm_kms_helper]
drm_setup_crtcs+0x15e/0xc90 [drm_kms_helper]
__drm_fb_helper_initial_config_and_unlock+0x29/0x480 [drm_kms_helper]
nouveau_fbcon_init+0x138/0x1a0 [nouveau]
nouveau_drm_load+0x173/0x7e0 [nouveau]
drm_dev_register+0x134/0x1c0 [drm]
drm_get_pci_dev+0x8e/0x160 [drm]
nouveau_drm_probe+0x1a9/0x230 [nouveau]
pci_device_probe+0xcd/0x150
driver_probe_device+0x30b/0x480
__driver_attach+0xbc/0xe0
bus_for_each_dev+0x67/0x90
bus_add_driver+0x164/0x260
driver_register+0x57/0xc0
do_one_initcall+0x4d/0x323
do_init_module+0x5b/0x1f8
load_module+0x20e5/0x2ac0
__do_sys_finit_module+0xb7/0xd0
do_syscall_64+0x60/0x1b0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #1 (&dev->mode_config.mutex){+.+.}:
drm_setup_crtcs+0x10c/0xc90 [drm_kms_helper]
__drm_fb_helper_initial_config_and_unlock+0x29/0x480 [drm_kms_helper]
nouveau_fbcon_init+0x138/0x1a0 [nouveau]
nouveau_drm_load+0x173/0x7e0 [nouveau]
drm_dev_register+0x134/0x1c0 [drm]
drm_get_pci_dev+0x8e/0x160 [drm]
nouveau_drm_probe+0x1a9/0x230 [nouveau]
pci_device_probe+0xcd/0x150
driver_probe_device+0x30b/0x480
__driver_attach+0xbc/0xe0
bus_for_each_dev+0x67/0x90
bus_add_driver+0x164/0x260
driver_register+0x57/0xc0
do_one_initcall+0x4d/0x323
do_init_module+0x5b/0x1f8
load_module+0x20e5/0x2ac0
__do_sys_finit_module+0xb7/0xd0
do_syscall_64+0x60/0x1b0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #0 (&helper->lock){+.+.}:
__mutex_lock+0x70/0x9d0
drm_fb_helper_add_one_connector+0x2a/0x60 [drm_kms_helper]
nv50_mstm_register_connector+0x2c/0x50 [nouveau]
drm_dp_add_port+0x2f5/0x420 [drm_kms_helper]
drm_dp_send_link_address+0x155/0x1e0 [drm_kms_helper]
drm_dp_add_port+0x33f/0x420 [drm_kms_helper]
drm_dp_send_link_address+0x155/0x1e0 [drm_kms_helper]
drm_dp_check_and_send_link_address+0x87/0xd0 [drm_kms_helper]
drm_dp_mst_link_probe_work+0x4d/0x80 [drm_kms_helper]
process_one_work+0x20d/0x650
worker_thread+0x3a/0x390
kthread+0x11e/0x140
ret_from_fork+0x3a/0x50
other info that might help us debug this:
Chain exists of:
&helper->lock --> crtc_ww_class_acquire --> crtc_ww_class_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(crtc_ww_class_mutex);
lock(crtc_ww_class_acquire);
lock(crtc_ww_class_mutex);
lock(&helper->lock);
*** DEADLOCK ***
5 locks held by kworker/1:0/18:
#0: 000000004a05cd50 ((wq_completion)"events_long"){+.+.}, at: process_one_work+0x187/0x650
#1: 00000000601c11d1 ((work_completion)(&mgr->work)){+.+.}, at: process_one_work+0x187/0x650
#2: 00000000586ca0df (&dev->mode_config.mutex){+.+.}, at: drm_modeset_lock_all+0x3a/0x1b0 [drm]
#3: 00000000d3ca0ffa (crtc_ww_class_acquire){+.+.}, at: drm_modeset_lock_all+0x44/0x1b0 [drm]
#4: 00000000942e28e2 (crtc_ww_class_mutex){+.+.}, at: drm_modeset_backoff+0x8e/0x1c0 [drm]
stack backtrace:
CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G O 4.17.0-rc3Lyude-Test+ #1
Hardware name: Gateway FX6840/FX6840, BIOS P01-A3 05/17/2010
Workqueue: events_long drm_dp_mst_link_probe_work [drm_kms_helper]
Call Trace:
dump_stack+0x85/0xcb
print_circular_bug.isra.38+0x1ce/0x1db
__lock_acquire+0x128f/0x1350
? lock_acquire+0x9f/0x200
? lock_acquire+0x9f/0x200
? __ww_mutex_lock.constprop.13+0x8f/0x1000
lock_acquire+0x9f/0x200
? drm_fb_helper_add_one_connector+0x2a/0x60 [drm_kms_helper]
? drm_fb_helper_add_one_connector+0x2a/0x60 [drm_kms_helper]
__mutex_lock+0x70/0x9d0
? drm_fb_helper_add_one_connector+0x2a/0x60 [drm_kms_helper]
? ww_mutex_lock+0x43/0x80
? _cond_resched+0x15/0x30
? ww_mutex_lock+0x43/0x80
? drm_modeset_lock+0xb2/0x130 [drm]
? drm_fb_helper_add_one_connector+0x2a/0x60 [drm_kms_helper]
drm_fb_helper_add_one_connector+0x2a/0x60 [drm_kms_helper]
nv50_mstm_register_connector+0x2c/0x50 [nouveau]
drm_dp_add_port+0x2f5/0x420 [drm_kms_helper]
? mark_held_locks+0x50/0x80
? kfree+0xcf/0x2a0
? drm_dp_check_mstb_guid+0xd6/0x120 [drm_kms_helper]
? trace_hardirqs_on_caller+0xed/0x180
? drm_dp_check_mstb_guid+0xd6/0x120 [drm_kms_helper]
drm_dp_send_link_address+0x155/0x1e0 [drm_kms_helper]
drm_dp_add_port+0x33f/0x420 [drm_kms_helper]
? nouveau_connector_aux_xfer+0x7c/0xb0 [nouveau]
? find_held_lock+0x2d/0x90
? drm_dp_dpcd_access+0xd9/0xf0 [drm_kms_helper]
? __mutex_unlock_slowpath+0x3b/0x280
? drm_dp_dpcd_access+0xd9/0xf0 [drm_kms_helper]
drm_dp_send_link_address+0x155/0x1e0 [drm_kms_helper]
drm_dp_check_and_send_link_address+0x87/0xd0 [drm_kms_helper]
drm_dp_mst_link_probe_work+0x4d/0x80 [drm_kms_helper]
process_one_work+0x20d/0x650
worker_thread+0x3a/0x390
? process_one_work+0x650/0x650
kthread+0x11e/0x140
? kthread_create_worker_on_cpu+0x50/0x50
ret_from_fork+0x3a/0x50
Taking example from i915, the only time we need to hold any modesetting
locks is when changing the port on the mstc, and in that case we only
need to hold the connection mutex.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Potentially responsible for some random OOPSes.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org [v4.15+]
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into drm-fixes
A little bigger than normal since this is two weeks of fixes.
- Atom firmware table updates for vega12
- Fix fallout from huge page support
- Fix up smu7 power profile interface to be consistent with vega
- Misc other fixes
* 'drm-fixes-4.17' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/pp: Refine the output of pp_power_profile_mode on VI
drm/amdgpu: Switch to interruptable wait to recover from ring hang.
drm/ttm: Use GFP_TRANSHUGE_LIGHT for allocating huge pages
drm/amd/display: Use kvzalloc for potentially large allocations
drm/amd/display: Don't return ddc result and read_bytes in same return value
drm/amd/display: Add get_firmware_info_v3_2 for VG12
drm/amd: Add BIOS smu_info v3_3 required struct def.
drm/amd/display: Add VG12 ASIC IDs
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
atomic: Clear state pointers on clear (Ville)
vc4: Fix oops in dpi disable (Eric)
omap: Various error-checking + uninitialized var fixes (Tomi)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
* tag 'drm-misc-fixes-2018-05-09' of git://anongit.freedesktop.org/drm/drm-misc:
drm/vc4: Fix scaling of uni-planar formats
drm/bridge/sii8620: add Kconfig dependency on extcon
drm/omap: handle alloc failures in omap_connector
drm/omap: add missing linefeeds to prints
drm/omap: handle error if scale coefs are not found
drm/omap: check return value from soc_device_match
drm/omap: fix possible NULL ref issue in tiler_reserve_2d
drm/omap: fix uninitialized ret variable
drm/omap: silence unititialized variable warning
drm/vc4: Fix oops dereferencing DPI's connector since panel_bridge.
drm/atomic: Clean private obj old_state/new_state in drm_atomic_state_default_clear()
drm/atomic: Clean old_state/new_state in drm_atomic_state_default_clear()
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Increase LVDS panel timeout to 5s to avoid spurious *ERROR*
- Fix 2 WARNS: BIOS framebuffer related (FDO #105992) and eDP cdclk mismatch
* tag 'drm-intel-fixes-2018-05-09' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915: Fix drm:intel_enable_lvds ERROR message in kernel log
drm/i915: Correctly populate user mode h/vdisplay with pipe src size during readout
drm/i915: Adjust eDP's logical vco in a reliable place.
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In order to keep consist with Vega,
the output format of the pp_power_profile_mode would be
<integer><mode name string>< “*” for current profile>:"detail settings"
and remove the "CURRENT" mode line.
for example:
NUM MODE_NAME SCLK_UP_HYST SCLK_DOWN_HYST SCLK_ACTIVE_LEVEL MCLK_UP_HYST MCLK_DOWN_HYST MCLK_ACTIVE_LEVEL
0 3D_FULL_SCREEN: 0 100 30 0 100 10
1 POWER_SAVING: 10 0 30 - - -
2 VIDEO: - - - 10 16 31
3 VR: 0 11 50 0 100 10
4 COMPUTE: 0 5 30 - - -
5 CUSTOM *: 0 5 30 0 100 10
NUM MODE_NAME SCLK_UP_HYST SCLK_DOWN_HYST SCLK_ACTIVE_LEVEL MCLK_UP_HYST MCLK_DOWN_HYST MCLK_ACTIVE_LEVEL
0 3D_FULL_SCREEN: 0 100 30 0 100 10
1 POWER_SAVING *: 10 0 30 0 100 10
2 VIDEO: - - - 10 16 31
3 VR: 0 11 50 0 100 10
4 COMPUTE: 0 5 30 - - -
5 CUSTOM: - - - - - -
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v2:
Use dma_fence_wait instead of dma_fence_wait_timeout(...,MAX_SCHEDULE_TIMEOUT)
Avoid printing error message for ERESTARTSYS
Originally-by: David Panariti <David.Panariti@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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GFP_TRANSHUGE tries very hard to allocate huge pages, which can result
in long delays with high memory pressure. I have observed firefox
freezing for up to around a minute due to this while restic was taking
a full system backup.
Since we don't really need huge pages, use GFP_TRANSHUGE_LIGHT |
__GFP_NORETRY instead, in order to fail quickly when there are no huge
pages available.
Set __GFP_KSWAPD_RECLAIM as well, in order for huge pages to be freed
up in the background if necessary.
With these changes, I'm no longer seeing freezes during a restic backup.
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Allocating up to 32 physically contiguous pages can easily fail (and has
failed for me), and isn't necessary anyway.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The two ranges overlap.
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When using uni-planar formats (like RGB), the scaling parameters are
stored in plane 0, not plane 1.
Fixes: fc04023fafec ("drm/vc4: Add support for YUV planes.")
Cc: stable@vger.kernel.org
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20180507121303.5610-1-boris.brezillon@bootlin.com
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drm_bridge_attach takes care of these assignments, so there is no need
to open-code them a second time.
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Fix `[drm:intel_enable_lvds] *ERROR* timed out waiting for panel to
power on` in kernel log at boot time.
Toshiba Satellite Z930 laptops needs between 1 and 2 seconds to power
on its screen during Intel i915 DRM initialization. This currently
results in a `[drm:intel_enable_lvds] *ERROR* timed out waiting for
panel to power on` message appearing in the kernel log during boot
time and when stopping the machine.
This change increases the timeout of the `intel_enable_lvds` function
from 1 to 5 seconds, letting enough time for the Satellite 930 LCD
screen to power on, and suppressing the error message from the kernel
log.
This patch has been successfully tested on Linux 4.14 running on a
Toshiba Satellite Z930.
[vsyrjala: bump the timeout from 2 to 5 seconds to match the DP
code and properly cover the max hw timeout of ~4 seconds, and
drop the comment about the specific machine since this is not
a particulary surprising issue, nor specific to that one machine]
Signed-off-by: Florent Flament <contact@florentflament.com>
Cc: stable@vger.kernel.org
Cc: Pavel Petrovic <ppetrovic@acm.org>
Cc: Sérgio M. Basto <sergio@serjux.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103414
References: https://bugzilla.kernel.org/show_bug.cgi?id=57591
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180419160700.19828-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 280b54ade5914d3b4abe4f0ebe083ddbd4603246)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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readout
During state readout we first read out the pipe src size, store
that information in the user mode h/vdisplay, but later on we overwrite
that with the actual crtc timings. That makes our read out crtc state
inconsistent with itself when the BIOS has enabled the panel fitter to
scale the pipe contents. Let's preserve the pipe src size based
information in the user mode to make things consistent again.
This fixes a problem introduced by commit a2936e3d9a9c ("drm/i915:
Use drm_mode_get_hv_timing() to populate plane clip rectangle")
where the inconsistent state is now leading the plane clipping code
to report a failure on account the plane dst coordinates not matching
the user mode size. Previously we did the plane clipping based on
the pipe src size instead and thus never noticed the inconsistency.
The failure manifests as a WARN:
[ 0.762117] [drm:intel_dump_pipe_config [i915]] requested mode:
[ 0.762142] [drm:drm_mode_debug_printmodeline [drm]] Modeline 0:"1366x768" 60 72143 1366 1414 1446 1526 768 771 777 784 0x40 0xa
...
[ 0.762327] [drm:intel_dump_pipe_config [i915]] port clock: 72143, pipe src size: 1024x768, pixel rate 72143
...
[ 0.764666] [drm:drm_atomic_helper_check_plane_state [drm_kms_helper]] Plane must cover entire CRTC
[ 0.764690] [drm:drm_rect_debug_print [drm]] dst: 1024x768+0+0
[ 0.764711] [drm:drm_rect_debug_print [drm]] clip: 1366x768+0+0
[ 0.764713] ------------[ cut here ]------------
[ 0.764714] Could not determine valid watermarks for inherited state
[ 0.764792] WARNING: CPU: 4 PID: 159 at drivers/gpu/drm/i915/intel_display.c:14584 intel_modeset_init+0x3ce/0x19d0 [i915]
...
Cc: FadeMind <fademind@gmail.com>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reported-by: FadeMind <fademind@gmail.com>
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Tested-by: Dave Jones <davej@codemonkey.org.uk>
References: https://lists.freedesktop.org/archives/intel-gfx/2018-April/163186.html
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105992
Fixes: a2936e3d9a9c ("drm/i915: Use drm_mode_get_hv_timing() to populate plane clip rectangle")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180426163015.14232-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: FadeMind <fademind@gmail.com>
(cherry picked from commit bd4cd03c81010dcd4e6f0e02e4c15f44aefe12d1)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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On intel_dp_compute_config() we were calculating the needed vco
for eDP on gen9 and we stashing it in
intel_atomic_state.cdclk.logical.vco
However few moments later on intel_modeset_checks() we fully
replace entire intel_atomic_state.cdclk.logical with
dev_priv->cdclk.logical fully overwriting the logical desired
vco for eDP on gen9.
So, with wrong VCO value we end up with wrong desired cdclk, but
also it will raise a lot of WARNs: On gen9, when we read
CDCLK_CTL to verify if we configured properly the desired
frequency the CD Frequency Select bits [27:26] == 10b can mean
337.5 or 308.57 MHz depending on the VCO. So if we have wrong
VCO value stashed we will believe the frequency selection didn't
stick and start to raise WARNs of cdclk mismatch.
[ 42.857519] [drm:intel_dump_cdclk_state [i915]] Changing CDCLK to 308571 kHz, VCO 8640000 kHz, ref 24000 kHz, bypass 24000 kHz, voltage level 0
[ 42.897269] cdclk state doesn't match!
[ 42.901052] WARNING: CPU: 5 PID: 1116 at drivers/gpu/drm/i915/intel_cdclk.c:2084 intel_set_cdclk+0x5d/0x110 [i915]
[ 42.938004] RIP: 0010:intel_set_cdclk+0x5d/0x110 [i915]
[ 43.155253] WARNING: CPU: 5 PID: 1116 at drivers/gpu/drm/i915/intel_cdclk.c:2084 intel_set_cdclk+0x5d/0x110 [i915]
[ 43.170277] [drm:intel_dump_cdclk_state [i915]] [hw state] 337500 kHz, VCO 8100000 kHz, ref 24000 kHz, bypass 24000 kHz, voltage level 0
[ 43.182566] [drm:intel_dump_cdclk_state [i915]] [sw state] 308571 kHz, VCO 8640000 kHz, ref 24000 kHz, bypass 24000 kHz, voltage level 0
v2: Move the entire eDP's vco logical adjustment to inside
the skl_modeset_calc_cdclk as suggested by Ville.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Fixes: bb0f4aab0e76 ("drm/i915: Track full cdclk state for the logical and actual cdclk frequencies")
Cc: <stable@vger.kernel.org> # v4.12+
Link: https://patchwork.freedesktop.org/patch/msgid/20180502175255.5344-1-rodrigo.vivi@intel.com
(cherry picked from commit 3297234a05ab1e90091b0574db4c397ef0e90d5f)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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The driver can work with or without extcon framework, but if extcon is
build as module, sii8620 should be build as module as well.
Fixes: 688838442147 ("drm/bridge/sii8620: use micro-USB cable detection logic to detect MHL")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180409062708.4326-1-a.hajda@samsung.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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Handle memory allocation failures in omap_connector to avoid NULL
derefs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180502091159.7071-5-tomi.valkeinen@ti.com
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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A bunch of debug and error prints are missing linefeeds. Add those.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180502091159.7071-4-tomi.valkeinen@ti.com
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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If get_scale_coef functions fail, they return NULL, but we never check
the return value and could do a NULL deref. This should not happen as we
ought to validate the amount of scaling already earlier, but to be safe,
add the necessary check.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180502091159.7071-3-tomi.valkeinen@ti.com
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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soc_device_match() can return NULL, so add a check and fail if
soc_device_match() fails.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180502091159.7071-2-tomi.valkeinen@ti.com
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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tiler_reserve_2d allocates memory but does not check if it got the
memory. Add the check and return ENOMEM on failure.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180329104038.29154-2-tomi.valkeinen@ti.com
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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audio_config function for both HDMI4 and HDMI5 return uninitialized
value as the error code if the display is not currently enabled. For
some reason this has not caused any issues.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180329104038.29154-1-tomi.valkeinen@ti.com
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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Smatch complains that "area_free" could be used without being
initialized. This code is several years old and premusably works fine
so this can't be a very serious bug. But it's easy enough to silence
the warning. If "area_free" is false at the end of the function then
we return -ENOMEM.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180418142937.GA13828@mwanda
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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In the cleanup, I didn't notice that we needed to dereference the
connector for the bus_format. Fix the regression by looking up the
first (and only) connector attached to us, and assume that its
bus_format is what we want. Some day it would be good to have that
part of display_info attached to the bridge, instead.
v2: Fix stray whitespace change
Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 7b1298e05310 ("drm/vc4: Switch DPI to using the panel-bridge helper.")
Link: https://patchwork.freedesktop.org/patch/msgid/20180309233256.1667-1-eric@anholt.net
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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drm_atomic_state_default_clear()
Clear the old_state and new_state pointers for private objects
in drm_atomic_state_default_clear(). We don't actually have
functions to get the new/old state for private objects so
getting access to the potentially stale pointers requires a
bit more manual labour than for other object types. But let's
clear the pointers for private objects as well, if only to
avoid future surprises when someone decides to add the functions
to get at them.
v2: Split private objs to a separate patch (Daniel)
Cc: <stable@vger.kernel.org> # v4.14+
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Abhay Kumar <abhay.kumar@intel.com>
Fixes: a4370c777406 (drm/atomic: Make private objs proper objects)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180502183247.5746-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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Clear the old_state and new_state pointers for every object in
drm_atomic_state_default_clear(). Otherwise
drm_atomic_get_{new,old}_*_state() will hand out stale pointers to
anyone who hasn't first confirmed that the object is in fact part of
the current atomic transcation, if they are called after we've done
the ww backoff dance while hanging on to the same drm_atomic_state.
For example, handle_conflicting_encoders() looks like it could hit
this since it iterates the full connector list and just calls
drm_atomic_get_new_connector_state() for each.
And I believe we have now witnessed this happening at least once in
i915 check_digital_port_conflicts(). Commit 8b69449d2663 ("drm/i915:
Remove last references to drm_atomic_get_existing* macros") changed
the safe drm_atomic_get_existing_connector_state() to the unsafe
drm_atomic_get_new_connector_state(), which opened the doors for
this particular bug there as well.
v2: Split private objs out to a separate patch (Daniel)
Cc: stable@vger.kernel.org
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Abhay Kumar <abhay.kumar@intel.com>
Fixes: 581e49fe6b41 ("drm/atomic: Add new iterators over all state, v3.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180502183247.5746-1-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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If an interlaced video mode is selected, a IOMMU pagefault is
triggered by vp_video_buffer().
Fix the most apparent bugs:
- pitch value for chroma plane
- divide by two of height and vpos of source and destination
Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
[ a.hajda: Halved also destination height and vpos, updated commit message ]
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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In case of interlace mode video processor registers and mixer config
register must be check to ensure internal state is in sync with shadow
registers.
This patch fixes page-faults in interlaced mode.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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git://people.freedesktop.org/~thomash/linux into drm-fixes
Two fixes for now, one for a long standing problem uncovered by a commit
in the 4.17 merge window, one for a regression introduced by a previous
bugfix, Cc'd stable.
* 'vmwgfx-fixes-4.17' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Fix a buffer object leak
drm/vmwgfx: Clean up fbdev modeset locking
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
vc4: Fix bo refcounts during async commits (Boris)
vga-dac: Fix edid memory leak (Sean)
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
Cc: Sean Paul <seanpaul@chromium.org>
* tag 'drm-misc-fixes-2018-05-02' of git://anongit.freedesktop.org/drm/drm-misc:
drm/bridge: vga-dac: Fix edid memory leak
drm/vc4: Make sure vc4_bo_{inc,dec}_usecnt() calls are balanced
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edid should be freed once it's finished being used.
Fixes: 56fe8b6f4991 ("drm/bridge: Add RGB to VGA bridge support")
Cc: Rob Herring <robh@kernel.org>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: <stable@vger.kernel.org> # v4.9+
Reviewed-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180420190007.1572-1-seanpaul@chromium.org
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Commit b9f19259b84d ("drm/vc4: Add the DRM_IOCTL_VC4_GEM_MADVISE ioctl")
introduced a mechanism to mark some BOs as purgeable to allow the driver
to drop them under memory pressure. In order to implement this feature
we had to add a mechanism to mark BOs as currently used by a piece of
hardware which materialized through the ->usecnt counter.
Plane code is supposed to increment usecnt when it attaches a BO to a
plane and decrement it when it's done with this BO, which was done in
the ->prepare_fb() and ->cleanup_fb() hooks. The problem is, async page
flip logic does not go through the regular atomic update path, and
->prepare_fb() and ->cleanup_fb() are not called in this case.
Fix that by manually calling vc4_bo_{inc,dec}_usecnt() in the
async-page-flip path.
Note that all this should go away as soon as we get generic async page
flip support in the core, in the meantime, this fix should do the
trick.
Fixes: b9f19259b84d ("drm/vc4: Add the DRM_IOCTL_VC4_GEM_MADVISE ioctl")
Reported-by: Peter Robinson <pbrobinson@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20180430133232.32457-1-boris.brezillon@bootlin.com
Link: https://patchwork.freedesktop.org/patch/msgid/20180430133232.32457-1-boris.brezillon@bootlin.com
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As the Geminilake firmware is now merged to linux-firmware.git
use MODUE_FIRMWARE to load the firmware.
This removes the error message in the dmesg log:
i915 0000:00:02.0: Direct firmware load for
i915/glk_dmc_ver1_04.bin failed with error -2
i915 0000:00:02.0: Failed to load DMC firmware
i915/glk_dmc_ver1_04.bin. Disabling runtime power management.
i915 0000:00:02.0: DMC firmware homepage:
https://01.org/linuxgraphics/downloads/firmware
and now shows that the firmware has correctly loaded:
[drm] Finished loading DMC firmware i915/glk_dmc_ver1_04.bin (v1.4)
Signed-off-by: Ian W MORRISON <ianwmorrison@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180411044213.383-1-ianwmorrison@gmail.com
(cherry picked from commit f6d3e06f074721ad3a231df745d85b60428c1f03)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix for black screen issues (FDO #104158 and #104425)
- A correction for wrongly applied display W/A
- Fixes for HDA codec interop issue (no audio) and too eager HW timeouts
* tag 'drm-intel-fixes-2018-04-26' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915/fbdev: Enable late fbdev initial configuration
drm/i915: Use ktime on wait_for
drm/i915: Enable display WA#1183 from its correct spot
drm/i915/audio: set minimum CD clock to twice the BCLK
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A buffer object leak was introduced when fixing a premature buffer
object release. Fix this.
Cc: <stable@vger.kernel.org>
Fixes: 73a88250b709 ("Fix a destoy-while-held mutex problem.")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
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At least since the atomic port, the vmwgfx fbdev code is taking
a number of unnecessary modeset locks. In particular the
kms_set_config() function will grab its own locks, leading to
locking retries. So avoid drm_modeset_lock_all() and instead
provide a local acquire context for kms_set_config(). Also have the
vmw_kms_fbdev_init data itself grab the lock that it needs.
This also fixed a long standing problem that vmw_fb_close() didn't
provide an acquire context for kms_set_config(), causing potential
warnings and hangs during driver unload. This problem was uncovered by the
recent commit "drm/vmwgfx: Improve on hibernation"
Testing done:
Repeated driver load and unload on Ubuntu 16.04.2
Fixes: c3b9b1657344 ("drm/vmwgfx: Improve on hibernation")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
sun41: Fix regression for TBSA711 tablet (Ondrej)
qxl: 2 bug fixes (Gerd)
core: Don't use stale display info between HDMI hotplugs (Ville)
virtio: Fix guest spinning when request queue is full (Gerd)
Cc: Ondrej Jirman <megous@megous.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
* tag 'drm-misc-fixes-2018-04-25' of git://anongit.freedesktop.org/drm/drm-misc:
drm/edid: Reset more of the display info
drm/virtio: fix vq wait_event condition
qxl: keep separate release_bo pointer
qxl: fix qxl_release_{map,unmap}
Revert "drm/sun4i: add lvds mode_valid function"
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git://people.freedesktop.org/~robclark/linux into drm-fixes
A few fixes for 4.17.. thanks to Sean for helping pull together some
of the display related fixes while I was off in compute-land.
* tag 'drm-msm-fixes-2018-04-25' of git://people.freedesktop.org/~robclark/linux:
drm/msm: don't deref error pointer in the msm_fbdev_create error path
drm/msm/dsi: use correct enum in dsi_get_cmd_fmt
drm/msm: Fix possible null dereference on failure of get_pages()
drm/msm: Add modifier to mdp_get_format arguments
drm/msm: Mark the crtc->state->event consumed
drm/msm/dsi: implement auto PHY timing calculator for 10nm PHY
drm/msm/dsi: check video mode engine status before waiting
drm/msm/dsi: check return value for video done waits
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into drm-fixes
- Fix a hang on CZ boards with EDC enabled
- Fix hangs related to DP MST handling
- Fix a deadlock in irq handling in DC
* 'drm-fixes-4.17' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/display: Check dc_sink every time in MST hotplug
drm/amd/display: Update MST edid property every time
drm/amd/display: Don't read EDID in atomic_check
drm/amd/display: Disallow enabling CRTC without primary plane with FB
drm/amd/display: Fix deadlock when flushing irq
drm/amdgpu: set COMPUTE_PGM_RSRC1 for SGPR/VGPR clearing shaders
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We're currently failing to reset everything in display_info.hdmi
which will potentially cause us to use stale information when
swapping monitors. Eg. if the user replaces a HDMI 2.0 monitor
with a HDMI 1.x monitor we will continue to think that the monitor
supports scrambling. That will lead to a black screen since the
HDMI 1.x monitor won't understand the scrambled signal.
Fix the problem by clearing display_info.hdmi fully. And while at
eliminate some duplicated code by calling drm_reset_display_info()
in drm_add_display_info().
Cc: stable@vger.kernel.org
Cc: Antony Chen <antonychen@qnap.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105655
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180424130250.7028-1-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Antony Chen <antonychen@qnap.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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Wait until we have enough space in the virt queue to actually queue up
our request. Avoids the guest spinning in case we have a non-zero
amount of free entries but not enough for the request.
Cc: stable@vger.kernel.org
Reported-by: Alain Magloire <amagloire@blackberry.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180403095904.11152-1-kraxel@redhat.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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qxl expects that list_first_entry(release->bos) returns the first
element qxl added to the list. ttm_eu_reserve_buffers() may reorder
the list though.
Add a release_bo field to struct qxl_release and use that instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20180418054257.15388-3-kraxel@redhat.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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s/PAGE_SIZE/PAGE_MASK/
Luckily release_offset is never larger than PAGE_SIZE, so the bug has no
bad side effects and managed to stay unnoticed for years that way ...
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20180418054257.15388-2-kraxel@redhat.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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The reverted commit broke LVDS output on TBS A711 Tablet. That tablet
has simple-panel node that has fixed pixel clock-frequency that A83T
SoC used in the tablet can't generate exactly.
Requested rate is 52000000 and rounded_rate is calculated as 51857142.
It's close enough for it to work in practice, but with strict check
in the reverted commit, the mode is rejected needlessly in this case.
DT allows to specify a range of values for simple-panel/clock-frequency,
but driver doesn't respect that ATM. Given that TBS A711 is the single
user of sun4i-lvds driver, let's revert that commit for now, until
a better solution for the problem is found.
Also see: https://patchwork.kernel.org/patch/9446385/ for relevant
discussion (or search for "[RFC] drm/sun4i: rgb: Add 5% tolerance
to dot clock frequency check").
Fixes: e4e4b7ad50cf ("drm/sun4i: add lvds mode_valid function")
Reported-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180421045155.15332-1-megous@megous.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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