| Age | Commit message (Collapse) | Author |
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Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Our validation is a known mess with actual validation mixed with
topology configuration. This change makes sure topolgical validation is
completed before any topology changes are made so we do not run into
issues where we merge and split a pipe over the course of a single call.
v2: Squash in compilation fix
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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to 60hz
[Why]
new calculated dispclk, dppclk are stored in
context->bw_ctx.bw.dcn.clk.dispclk_khz, dppclk_khz. Current dispclk,
dppclk are from dc->clk_mgr->clks.dispclk_khz. dcn_validate_bandwidth
compute new dispclk, dppclk. dispclk will put in use after
optimize_bandwidth when ramp_up_dispclk_with_dpp is called. There are
two places for dppclk be put in use. One location is the same as the
location as dispclk. Another is within update_dchubp_dpp which happens
between pre_bandwidth and optimize_bandwidth. dppclk updated within
update_dchubp_dpp will cause new clock values of dispclk and dppclk not
be in use at the same time. when clocks are decreased, this may cause
dppclk is lower than current configuration and let pipe stuck. for
example, eDP + external dp, change resolution of DP from 1920x1080x144hz
to 1280x960x60hz.
before change: dispclk = 337889 dppclk = 337889
change mode, dcn_validate_bandwidth calculate
dispclk = 143122 dppclk = 143122
update_dchubp_dpp be executed before dispclk be updated,
dispclk = 337889, but dppclk use new value dispclk /2 =
168944. this will cause pipe pstate warning issue.
[How]
between pre_bandwidth and optimize_bandwidth, while dispclk is going to
be decreased, keep dppclk = dispclk
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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connected
[Why]
amdgpu_dm->backlight_caps is for single eDP only. the caps are upddated
for very connector. Real eDP caps will be overwritten by other external
display. For OLED panel, caps->aux_support is set to 1 for OLED pnael.
after external connected, caps+.aux_support is set to 0. This causes
OLED backlight adjustment not work.
[How]
within update_conector_ext_caps, backlight caps will be updated only for
eDP connector.
Cc: stable@vger.kernel.org
Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
when ppt disabled, the watermark doesn't get fine tune causing
underflow.
[How]
It is a temporary solution to reduce sr_xxx_time by 3 us when ppt
disable.
Signed-off-by: Chiawen Huang <chiawen.huang@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[WHY]
In headless systems, if set mode is not called, hardware will not be
powered down on boot, causing HW/SW discrepancies. Powering down
hardware on boot will ensure SW state is accurate.
[HOW]
Set a timer callback on boot for 10 seconds. If set mode is not called
within that time, power down hardware. Otherwise, do not power down.
Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update *DynamicMetadata variables for providing more flexibility.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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parameter of renoir_set_power_profile_mode
A small mistake
Signed-off-by: chen gong <curry.gong@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Currently we're failing to recalculate the gen9 FBC w/a stride
unless something more drastic than just the modifier itself has
changed. This often leaves us with FBC enabled with the linear
fbdev framebuffer without the w/a stride enabled. That will cause
an immediate underrun and FBC will get promptly disabled.
Fix the problem by checking if the w/a stride is about to change,
and go through the full dance if so. This part of the FBC code
is still pretty much a disaster and will need lots more work.
But this should at least fix the immediate issue.
v2: Deactivate FBC when the modifier changes since that will
likely require resetting the w/a CFB stride
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200711080336.13423-1-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit 0428ab013fdd39dbfb8f4cd8ad2b60af3776c6b9)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This fixes the following KASAN splash on module reload:
[ 145.136327] ==================================================================
[ 145.136502] BUG: KASAN: use-after-free in intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136514] Read of size 8 at addr ffff888216641830 by task kworker/1:1/134
[ 145.136535] CPU: 1 PID: 134 Comm: kworker/1:1 Tainted: G U T 5.5.0-rc7-valkyria+ #5783
[ 145.136539] Hardware name: GIGABYTE GB-BKi3A-7100/MFLP3AP-00, BIOS F1 07/27/2016
[ 145.136546] Workqueue: events drm_connector_free_work_fn
[ 145.136551] Call Trace:
[ 145.136560] dump_stack+0xa1/0xe0
[ 145.136571] print_address_description.constprop.0+0x1e/0x210
[ 145.136639] ? intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136703] ? intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136710] __kasan_report.cold+0x1b/0x37
[ 145.136790] ? intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136863] ? intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136870] kasan_report+0x27/0x30
[ 145.136881] __asan_report_load8_noabort+0x1c/0x20
[ 145.136946] intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136954] drm_connector_free_work_fn+0xd1/0x100
[ 145.136967] process_one_work+0x86e/0x1610
[ 145.136987] ? pwq_dec_nr_in_flight+0x2f0/0x2f0
[ 145.137004] ? move_linked_works+0x128/0x2c0
[ 145.137021] worker_thread+0x63e/0xc90
[ 145.137048] kthread+0x2f6/0x3f0
[ 145.137054] ? calculate_sigpending+0x81/0xa0
[ 145.137059] ? process_one_work+0x1610/0x1610
[ 145.137064] ? kthread_bind+0x40/0x40
[ 145.137075] ret_from_fork+0x24/0x30
[ 145.137111] Allocated by task 0:
[ 145.137119] (stack is not available)
[ 145.137137] Freed by task 5053:
[ 145.137147] save_stack+0x28/0x90
[ 145.137152] __kasan_slab_free+0x136/0x180
[ 145.137157] kasan_slab_free+0x26/0x30
[ 145.137161] kfree+0xe6/0x350
[ 145.137242] intel_ddi_encoder_destroy+0x60/0x80 [i915]
[ 145.137252] drm_mode_config_cleanup+0x11d/0x8f0
[ 145.137329] intel_modeset_driver_remove+0x1f5/0x350 [i915]
[ 145.137403] i915_driver_remove+0xc4/0x130 [i915]
[ 145.137482] i915_pci_remove+0x3e/0x90 [i915]
[ 145.137489] pci_device_remove+0x108/0x2d0
[ 145.137494] device_release_driver_internal+0x1e6/0x4a0
[ 145.137499] driver_detach+0xcb/0x198
[ 145.137503] bus_remove_driver+0xde/0x204
[ 145.137508] driver_unregister+0x6d/0xa0
[ 145.137513] pci_unregister_driver+0x2e/0x230
[ 145.137576] i915_exit+0x1f/0x26 [i915]
[ 145.137157] kasan_slab_free+0x26/0x30
[ 145.137161] kfree+0xe6/0x350
[ 145.137242] intel_ddi_encoder_destroy+0x60/0x80 [i915]
[ 145.137252] drm_mode_config_cleanup+0x11d/0x8f0
[ 145.137329] intel_modeset_driver_remove+0x1f5/0x350 [i915]
[ 145.137403] i915_driver_remove+0xc4/0x130 [i915]
[ 145.137482] i915_pci_remove+0x3e/0x90 [i915]
[ 145.137489] pci_device_remove+0x108/0x2d0
[ 145.137494] device_release_driver_internal+0x1e6/0x4a0
[ 145.137499] driver_detach+0xcb/0x198
[ 145.137503] bus_remove_driver+0xde/0x204
[ 145.137508] driver_unregister+0x6d/0xa0
[ 145.137513] pci_unregister_driver+0x2e/0x230
[ 145.137576] i915_exit+0x1f/0x26 [i915]
[ 145.137581] __x64_sys_delete_module+0x35b/0x470
[ 145.137586] do_syscall_64+0x99/0x4e0
[ 145.137591] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 145.137606] The buggy address belongs to the object at ffff888216640000
which belongs to the cache kmalloc-8k of size 8192
[ 145.137618] The buggy address is located 6192 bytes inside of
8192-byte region [ffff888216640000, ffff888216642000)
[ 145.137630] The buggy address belongs to the page:
[ 145.137640] page:ffffea0008599000 refcount:1 mapcount:0 mapping:ffff888107c02a80 index:0xffff888216644000 compound_mapcount: 0
[ 145.137647] raw: 0200000000010200 0000000000000000 0000000100000001 ffff888107c02a80
[ 145.137652] raw: ffff888216644000 0000000080020001 00000001ffffffff 0000000000000000
[ 145.137656] page dumped because: kasan: bad access detected
[ 145.137668] Memory state around the buggy address:
[ 145.137678] ffff888216641700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137687] ffff888216641780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137697] >ffff888216641800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137706] ^
[ 145.137715] ffff888216641880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137724] ffff888216641900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137733] ==================================================================
[ 145.137742] Disabling lock debugging due to kernel taint
Changes since v1:
- Add fixes tags.
- Use early unregister.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 9c229127aee2 ("drm/i915: hdmi: add CEC notifier to intel_hdmi")
Cc: <stable@vger.kernel.org> # v4.19+
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200212135445.1469133-1-maarten.lankhorst@linux.intel.com
(cherry picked from commit a581483b1e5466d28fc50ff623fba31cea2cccb6)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The danger in switching at random upon intel_context_pin is that the
context may still actually be inflight, as it will not be scheduled out
until a context switch after it is complete -- that may be a long time
after we do a final intel_context_unpin.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2118
Fixes: 6d06779e8672 ("drm/i915: Load balancing across a virtual engine")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v5.3+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713160549.17344-1-chris@chris-wilson.co.uk
(cherry picked from commit 90a987205c6cf74116a102ed446d22d92cdaf915)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We do not use the virtual engines for interrupts (they have physical
components), but we do use them to decouple the fence signaling during
submission. Currently, when we submit a completed request, we try to
enable the interrupt handler for the virtual engine, but we never disarm
it. A quick fix is then to mark the irq as enabled, and it will then
remain enabled -- and this prevents us from waking the device and never
letting it sleep again.
Fixes: f8db4d051b5e ("drm/i915: Initialise breadcrumb lists on the virtual engine")
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>
Cc: <stable@vger.kernel.org> # v5.5+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200711203236.12330-1-chris@chris-wilson.co.uk
(cherry picked from commit 4fe6abb8f51355224808ab02a9febf65d184c40b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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MI_STORE_REGISTER_MEM and MI_LOAD_REGISTER_MEM need to know which
translation to use when saving restoring the engine general purpose
registers to and from the GT scratch. Since GT scratch is mapped to
ggtt, we need to set an additional bit in the command to use GTT.
Fixes: daed3e44396d17 ("drm/i915/perf: implement active wait for noa configurations")
Suggested-by: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200709224504.11345-1-chris@chris-wilson.co.uk
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit e43ff99c8deda85234e6233e0f4af6cb09566a37)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Both cmp_u32 and cmp_u64 are comparing the pointers instead of the value
at those pointers. This will result in incorrect/unsorted list. Fix it
by deferencing the pointers before comparison.
Fixes: 4ba74e53ada3 ("drm/i915/selftests: Verify frequency scaling with RPS")
Fixes: 8757797ff9c9 ("drm/i915/selftests: Repeat the rps clock frequency measurement")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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/20200709154931.23310-1-sudeep.holla@arm.com
(cherry picked from commit 2196dfea896f7027b43bae848890ce4aec5c8724)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The error code needs to be set on this path. It currently returns
success.
Fixes: ed2690a9ca89 ("drm/i915/selftest: Check that GPR are restored across noa_wait")
Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200714143652.GA337376@mwanda
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Currently we're failing to recalculate the gen9 FBC w/a stride
unless something more drastic than just the modifier itself has
changed. This often leaves us with FBC enabled with the linear
fbdev framebuffer without the w/a stride enabled. That will cause
an immediate underrun and FBC will get promptly disabled.
Fix the problem by checking if the w/a stride is about to change,
and go through the full dance if so. This part of the FBC code
is still pretty much a disaster and will need lots more work.
But this should at least fix the immediate issue.
v2: Deactivate FBC when the modifier changes since that will
likely require resetting the w/a CFB stride
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200711080336.13423-1-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
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This fixes the following KASAN splash on module reload:
[ 145.136327] ==================================================================
[ 145.136502] BUG: KASAN: use-after-free in intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136514] Read of size 8 at addr ffff888216641830 by task kworker/1:1/134
[ 145.136535] CPU: 1 PID: 134 Comm: kworker/1:1 Tainted: G U T 5.5.0-rc7-valkyria+ #5783
[ 145.136539] Hardware name: GIGABYTE GB-BKi3A-7100/MFLP3AP-00, BIOS F1 07/27/2016
[ 145.136546] Workqueue: events drm_connector_free_work_fn
[ 145.136551] Call Trace:
[ 145.136560] dump_stack+0xa1/0xe0
[ 145.136571] print_address_description.constprop.0+0x1e/0x210
[ 145.136639] ? intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136703] ? intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136710] __kasan_report.cold+0x1b/0x37
[ 145.136790] ? intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136863] ? intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136870] kasan_report+0x27/0x30
[ 145.136881] __asan_report_load8_noabort+0x1c/0x20
[ 145.136946] intel_hdmi_destroy+0x74/0x80 [i915]
[ 145.136954] drm_connector_free_work_fn+0xd1/0x100
[ 145.136967] process_one_work+0x86e/0x1610
[ 145.136987] ? pwq_dec_nr_in_flight+0x2f0/0x2f0
[ 145.137004] ? move_linked_works+0x128/0x2c0
[ 145.137021] worker_thread+0x63e/0xc90
[ 145.137048] kthread+0x2f6/0x3f0
[ 145.137054] ? calculate_sigpending+0x81/0xa0
[ 145.137059] ? process_one_work+0x1610/0x1610
[ 145.137064] ? kthread_bind+0x40/0x40
[ 145.137075] ret_from_fork+0x24/0x30
[ 145.137111] Allocated by task 0:
[ 145.137119] (stack is not available)
[ 145.137137] Freed by task 5053:
[ 145.137147] save_stack+0x28/0x90
[ 145.137152] __kasan_slab_free+0x136/0x180
[ 145.137157] kasan_slab_free+0x26/0x30
[ 145.137161] kfree+0xe6/0x350
[ 145.137242] intel_ddi_encoder_destroy+0x60/0x80 [i915]
[ 145.137252] drm_mode_config_cleanup+0x11d/0x8f0
[ 145.137329] intel_modeset_driver_remove+0x1f5/0x350 [i915]
[ 145.137403] i915_driver_remove+0xc4/0x130 [i915]
[ 145.137482] i915_pci_remove+0x3e/0x90 [i915]
[ 145.137489] pci_device_remove+0x108/0x2d0
[ 145.137494] device_release_driver_internal+0x1e6/0x4a0
[ 145.137499] driver_detach+0xcb/0x198
[ 145.137503] bus_remove_driver+0xde/0x204
[ 145.137508] driver_unregister+0x6d/0xa0
[ 145.137513] pci_unregister_driver+0x2e/0x230
[ 145.137576] i915_exit+0x1f/0x26 [i915]
[ 145.137157] kasan_slab_free+0x26/0x30
[ 145.137161] kfree+0xe6/0x350
[ 145.137242] intel_ddi_encoder_destroy+0x60/0x80 [i915]
[ 145.137252] drm_mode_config_cleanup+0x11d/0x8f0
[ 145.137329] intel_modeset_driver_remove+0x1f5/0x350 [i915]
[ 145.137403] i915_driver_remove+0xc4/0x130 [i915]
[ 145.137482] i915_pci_remove+0x3e/0x90 [i915]
[ 145.137489] pci_device_remove+0x108/0x2d0
[ 145.137494] device_release_driver_internal+0x1e6/0x4a0
[ 145.137499] driver_detach+0xcb/0x198
[ 145.137503] bus_remove_driver+0xde/0x204
[ 145.137508] driver_unregister+0x6d/0xa0
[ 145.137513] pci_unregister_driver+0x2e/0x230
[ 145.137576] i915_exit+0x1f/0x26 [i915]
[ 145.137581] __x64_sys_delete_module+0x35b/0x470
[ 145.137586] do_syscall_64+0x99/0x4e0
[ 145.137591] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 145.137606] The buggy address belongs to the object at ffff888216640000
which belongs to the cache kmalloc-8k of size 8192
[ 145.137618] The buggy address is located 6192 bytes inside of
8192-byte region [ffff888216640000, ffff888216642000)
[ 145.137630] The buggy address belongs to the page:
[ 145.137640] page:ffffea0008599000 refcount:1 mapcount:0 mapping:ffff888107c02a80 index:0xffff888216644000 compound_mapcount: 0
[ 145.137647] raw: 0200000000010200 0000000000000000 0000000100000001 ffff888107c02a80
[ 145.137652] raw: ffff888216644000 0000000080020001 00000001ffffffff 0000000000000000
[ 145.137656] page dumped because: kasan: bad access detected
[ 145.137668] Memory state around the buggy address:
[ 145.137678] ffff888216641700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137687] ffff888216641780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137697] >ffff888216641800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137706] ^
[ 145.137715] ffff888216641880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137724] ffff888216641900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 145.137733] ==================================================================
[ 145.137742] Disabling lock debugging due to kernel taint
Changes since v1:
- Add fixes tags.
- Use early unregister.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 9c229127aee2 ("drm/i915: hdmi: add CEC notifier to intel_hdmi")
Cc: <stable@vger.kernel.org> # v4.19+
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200212135445.1469133-1-maarten.lankhorst@linux.intel.com
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DG1 has the south engine display on the same PCI device. Ideally we
could use HAS_PCH_SPLIT(), but that macro is misused all across the
code base to rather signify a range of gens. So add a fake one for DG1
to be used where needed.
Cc: Aditya Swarup <aditya.swarup@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713182321.12390-6-lucas.demarchi@intel.com
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Bspec asks us to remove the special programming of the
SHPD_FILTER_CNT register which we have been doing since CNP+.
Bspec: 49305
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713182321.12390-5-lucas.demarchi@intel.com
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DG1 has master unit interrupt register which is used to indicate the
correct source of interrupt.
v2: fix coding style on register definition
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Cc: Daniele Spurio Ceraolo <daniele.ceraolospurio@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713182321.12390-4-lucas.demarchi@intel.com
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Bspec: 33617, 33617
v2: s/intel_dg1_info/dg1_info/ as done for other platforms before and
try to shut up compiler about ununsed variable that we know
shouldn't be used (Lucas)
v3: replace explicit attribute with __maybe_unused (Lucas)
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Stuart Summers <stuart.summers@intel.com>
Cc: Vanshidhar Konda <vanshidhar.r.konda@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Aravind Iddamsetty <aravind.iddamsetty@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713182321.12390-2-lucas.demarchi@intel.com
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Add flag to differentiate platforms with and without the master
IRQ control bit.
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713182321.12390-1-lucas.demarchi@intel.com
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Exactly matches the one in the helpers.
This avoids me having to roll out dma-fence critical section
annotations to this copy.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200709123339.547390-2-daniel.vetter@ffwll.ch
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Gives us proper nonblocking support for free, and a pile of other
things. The tilcdc code is simply old enough that it was never
converted over, but was stuck forever with the copypasta from when it
was initially merged.
The riskiest thing with this conversion is maybe that there's an issue
with the vblank handling or vblank event handling, which will upset
the modern commit support in atomic helpers. But from a cursory review
drm_crtc_vblank_on/off is called in the right places, and the event
handling also seems to exist (albeit with much hand-rolling and
probably some races, could perhaps be converted over to
drm_crtc_arm_vblank_event without any real loss).
Motivated by me not having to hand-roll the dma-fence annotations for
this.
v2: Clear out crtc_state->event when we're handling the event, to
avoid upsetting the helpers (reported by Jyri).
v3: Also send out even whent the crtc is getting disabled. Tilcdc looks a
bit like conversion to simple display helpers would work out really
nice.
Tested-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jyri Sarha <jsarha@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200708142050.530240-1-daniel.vetter@ffwll.ch
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|
There's only trivial code left in mga_crtc_{prepare,commit}(). Merge the
functions into the simple pipe's enable function.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707082411.6583-8-tzimmermann@suse.de
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|
The prepare and commit helpers for G200WB devices control the BMC.
Rename them accordingly. While at it, also change the passed value's
type to struct mga_device and remove some type upcasting.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707082411.6583-7-tzimmermann@suse.de
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Modifying the <syncrst> field in mgag200_{enable,disable}_display()
makes the code more readable. Also clear the <asyncrst> field to enable
the display. The other bits in SEQ0 are unused, so no functional changes
are made.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707082411.6583-6-tzimmermann@suse.de
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|
Of the DPMS code, only ON and OFF states are used. Simplify mode setting
by moving both into separate functions and removing the rest.
The original code busy waited in the middle of updating the screen state
in SEQ1. To simplify the procedure, the new code busy waits first and then
updates SEQ1 in one chunk.
The DPMS code also set the LUT before enabling the screen. The patch moves
this code into the simple-display pipe's enable function.
v2:
* comment on SEQ1 updates in commit message
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707082411.6583-5-tzimmermann@suse.de
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The simple pipe's disable function disables the screen by calling
mgag200_disable_screen(). The simple pipe's enable function enables the
screen by calling mgag200_enable_display().
During modeset operations the screen is off and remains off. It's only
enabled after the modeset has been completed. Therefore remove all code
that sets or clears the <scroff> field while in modeset.
The related code also modifies the <syncrst> field in SEQ0. For now, keep
this code in place.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707082411.6583-4-tzimmermann@suse.de
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Makes the code slightly more flexible. No functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707082411.6583-3-tzimmermann@suse.de
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|
The prepare function write-protects several registers that it doesn't
even touch. Removed the related code.
The code for unprotecting registers also clears VINT interrupts. Both
is now done once during initialization.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707082411.6583-2-tzimmermann@suse.de
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|
The assignment of metadata overwrote the new display resolution values,
hence we'd miss the size actually changed and wouldn't redefine the
surface. This would then lead to command buffer error when trying to
update the screen target (due to the size mismatch), and result in a
VM with black screen.
Fixes: 504901dbb0b5 ("drm/vmwgfx: Refactor surface_define to use vmw_surface_metadata")
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>
Cc: stable@vger.kernel.org
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|
According to the DP spec a DPTX must support vswing/pre-emphasis
up to and including level 2. Level 3 is optional (actually DP 1.4a
seems to make even level 3 mandatory for HBR2/3, while leaving it
optional for RBR/HBR1).
WARN if out encoders' .voltage_max()/.preemph_max() return
an illegal value.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200709145845.18118-1-ville.syrjala@linux.intel.com
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|
So far, max dot clock rate for MST mode rely on physcial
bandwidth limitation. It would caused compatibility issue
if source display resolution exceed MST hub output ability.
For example, source DUT had DP 1.2 output capability.
And MST docking just support HDMI 1.4 spec. When a HDMI 2.0
monitor connected. Source would retrieve EDID from external
and get max resolution 4k@60fps. DP 1.2 can support 4K@60fps
because it did not surpass DP physical bandwidth limitation.
Do modeset to 4k@60fps, source output display data but MST
docking can't output HDMI properly due to this resolution
already over HDMI 1.4 spec.
Refer to commit <fcf463807596> ("drm/dp_mst: Use full_pbn
instead of available_pbn for bandwidth checks").
Source driver should refer to full_pbn to evaluate sink
output capability. And filter out the resolution surpass
sink output limitation.
Changes since v1:
* Using mgr->base.lock to protect full_pbn.
Changes since v2:
* Add ctx lock.
Changes since v3:
* s/intel_dp_mst_mode_clock_exceed_pbn_bandwidth/
intel_dp_mst_mode_clock_exceeds_pbn_bw/
* Use the new drm_connector_helper_funcs.mode_valid_ctx to properly pipe
down the drm_modeset_acquire_ctx that the probe helpers are using, so
we can safely grab &mgr->base.lock without deadlocking
Changes since v4:
* Move drm_dp_calc_pbn_mode(mode->clock, bpp, false) > port->full_pbn
check
* Fix the bpp we use in drm_dp_calc_pbn_mode()
* Drop leftover (!mgr) check
* Don't check for if full_pbn is unset. To be clear - it _can_ be unset,
but if it is then it's certainly a bug in DRM or a non-compliant sink
as full_pbn should always be populated by the time we call
->mode_valid_ctx.
We should workaround non-compliant sinks with full_pbn=0, but that
should happen in the DP MST helpers so we can estimate the full_pbn
value as best we can.
Tested-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Co-developed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713170746.254388-3-lyude@redhat.com
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This is just an atomic version of mode_valid, which is intended to be
used for situations where a driver might need to check the atomic state
of objects other than the connector itself. One such example is with
MST, where the maximum possible bandwidth on a connector can change
dynamically irregardless of the display configuration.
Changes since v1:
* Use new drm logging functions
* Make some corrections in the mode_valid_ctx kdoc
* Return error codes or 0 from ->mode_valid_ctx() on fail, and store the
drm_mode_status in an additional function parameter
Changes since v2:
* Don't accidentally assign ret to mode->status on success, or we'll
squash legitimate mode validation results
* Don't forget to assign MODE_OK to status in drm_connector_mode_valid()
if we have no callbacks
* Drop leftover hunk in drm_modes.h around enum drm_mode_status
Changes since v3:
* s/return ret/return 0/ in drm_mode_validate_pipeline()
* Minor cleanup in drm_connector_mode_valid()
Tested-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Cc: Lee Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713170746.254388-2-lyude@redhat.com
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|
Preempt-to-busy introduces various fascinating complications in that the
requests may complete as we are unsubmitting them from HW. As they may
then signal after unsubmission, we may find ourselves having to cleanup
the signaling request from within the signaling callback. This causes us
to recurse onto the same i915_request.lock.
However, if the request is already signaled (as it will be before we
enter the signal callbacks), we know we can skip the signaling of that
request during submission, neatly evading the spinlock recursion.
unsubmit(ve.rq0) # timeslice expiration or other preemption
-> virtual_submit_request(ve.rq0)
dma_fence_signal(ve.rq0) # request completed before preemption ack
-> submit_notify(ve.rq1)
-> virtual_submit_request(ve.rq1) # sees that we have completed ve.rq0
-> __i915_request_submit(ve.rq0)
[ 264.210142] BUG: spinlock recursion on CPU#2, sample_multi_tr/2093
[ 264.210150] lock: 0xffff9efd6ac55080, .magic: dead4ead, .owner: sample_multi_tr/2093, .owner_cpu: 2
[ 264.210155] CPU: 2 PID: 2093 Comm: sample_multi_tr Tainted: G U
[ 264.210158] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X212.B01.1909060036 09/06/2019
[ 264.210160] Call Trace:
[ 264.210167] dump_stack+0x98/0xda
[ 264.210174] spin_dump.cold+0x24/0x3c
[ 264.210178] do_raw_spin_lock+0x9a/0xd0
[ 264.210184] _raw_spin_lock_nested+0x6a/0x70
[ 264.210314] __i915_request_submit+0x10a/0x3c0 [i915]
[ 264.210415] virtual_submit_request+0x9b/0x380 [i915]
[ 264.210516] submit_notify+0xaf/0x14c [i915]
[ 264.210602] __i915_sw_fence_complete+0x8a/0x230 [i915]
[ 264.210692] i915_sw_fence_complete+0x2d/0x40 [i915]
[ 264.210762] __dma_i915_sw_fence_wake+0x19/0x30 [i915]
[ 264.210767] dma_fence_signal_locked+0xb1/0x1c0
[ 264.210772] dma_fence_signal+0x29/0x50
[ 264.210871] i915_request_wait+0x5cb/0x830 [i915]
[ 264.210876] ? dma_resv_get_fences_rcu+0x294/0x5d0
[ 264.210974] i915_gem_object_wait_fence+0x2f/0x40 [i915]
[ 264.211084] i915_gem_object_wait+0xce/0x400 [i915]
[ 264.211178] i915_gem_wait_ioctl+0xff/0x290 [i915]
Fixes: 22b7a426bbe1 ("drm/i915/execlists: Preempt-to-busy")
References: 6d06779e8672 ("drm/i915: Load balancing across a virtual engine")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: "Nayana, Venkata Ramana" <venkata.ramana.nayana@intel.com>
Cc: <stable@vger.kernel.org> # v5.4+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713141636.29326-1-chris@chris-wilson.co.uk
|
|
The danger in switching at random upon intel_context_pin is that the
context may still actually be inflight, as it will not be scheduled out
until a context switch after it is complete -- that may be a long time
after we do a final intel_context_unpin.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2118
Fixes: 6d06779e8672 ("drm/i915: Load balancing across a virtual engine")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v5.3+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200713160549.17344-1-chris@chris-wilson.co.uk
|
|
clang static analysis flags this error
sil-sii8620.c:184:2: warning: Undefined or garbage value
returned to caller [core.uninitialized.UndefReturn]
return ret;
^~~~~~~~~~
sii8620_readb calls sii8620_read_buf.
sii8620_read_buf can return without setting its output
pararmeter 'ret'.
So initialize ret.
Fixes: ce6e153f414a ("drm/bridge: add Silicon Image SiI8620 driver")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200712152453.27510-1-trix@redhat.com
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|
There is an error condition where err is not being set and an uninitialized
garbage value in err is being returned. Fix this by assigning err to an
appropriate error return value before taking the error exit path.
Addresses-Coverity: ("Uninitialized scalar value")
Fixes: ed2690a9ca89 ("drm/i915/selftest: Check that GPR are restored across noa_wait")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
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/20200713142551.423649-1-colin.king@canonical.com
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|
Now that TTM is fixed up we can finally stop that nonsense.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
Link: https://patchwork.freedesktop.org/patch/375620
|
|
Stop touching the backend private pointer alltogether and
make sure we never put the same mem twice by.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
Link: https://patchwork.freedesktop.org/patch/375613/
|
|
We do not use the virtual engines for interrupts (they have physical
components), but we do use them to decouple the fence signaling during
submission. Currently, when we submit a completed request, we try to
enable the interrupt handler for the virtual engine, but we never disarm
it. A quick fix is then to mark the irq as enabled, and it will then
remain enabled -- and this prevents us from waking the device and never
letting it sleep again.
Fixes: f8db4d051b5e ("drm/i915: Initialise breadcrumb lists on the virtual engine")
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>
Cc: <stable@vger.kernel.org> # v5.5+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200711203236.12330-1-chris@chris-wilson.co.uk
|
|
If something has gone awry with the CSB processing, we need to pause,
unwind and restart the request submission and event processing. However,
currently we skip the engine reset if we raise an error but discover no
active context, in the mistaken belief that it was merely a glitch in
the matrix. The glitches are real enough, and we do need to unwind even
if the engine appears idle (as it has gone permanently idle!) The
simplest way to unwind and recover is simply do the engine reset, which
should be very fast and _safe_ as nothing is active.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200711091349.28865-1-chris@chris-wilson.co.uk
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|
The Documentation/DMA-API-HOWTO.txt states that the dma_map_sg() function
returns the number of the created entries in the DMA address space.
However the subsequent calls to the dma_sync_sg_for_{device,cpu}() and
dma_unmap_sg must be called with the original number of the entries
passed to the dma_map_sg().
struct sg_table is a common structure used for describing a non-contiguous
memory buffer, used commonly in the DRM and graphics subsystems. It
consists of a scatterlist with memory pages and DMA addresses (sgl entry),
as well as the number of scatterlist entries: CPU pages (orig_nents entry)
and DMA mapped pages (nents entry).
It turned out that it was a common mistake to misuse nents and orig_nents
entries, calling DMA-mapping functions with a wrong number of entries or
ignoring the number of mapped entries returned by the dma_map_sg()
function.
To avoid such issues, lets use a common dma-mapping wrappers operating
directly on the struct sg_table objects and use scatterlist page
iterators where possible. This, almost always, hides references to the
nents and orig_nents entries, making the code robust, easier to follow
and copy/paste safe.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/371172/
Signed-off-by: Christian König <christian.koenig@amd.com>
|
|
The Documentation/DMA-API-HOWTO.txt states that the dma_map_sg() function
returns the number of the created entries in the DMA address space.
However the subsequent calls to the dma_sync_sg_for_{device,cpu}() and
dma_unmap_sg must be called with the original number of the entries
passed to the dma_map_sg().
struct sg_table is a common structure used for describing a non-contiguous
memory buffer, used commonly in the DRM and graphics subsystems. It
consists of a scatterlist with memory pages and DMA addresses (sgl entry),
as well as the number of scatterlist entries: CPU pages (orig_nents entry)
and DMA mapped pages (nents entry).
It turned out that it was a common mistake to misuse nents and orig_nents
entries, calling DMA-mapping functions with a wrong number of entries or
ignoring the number of mapped entries returned by the dma_map_sg()
function.
To avoid such issues, lets use a common dma-mapping wrappers operating
directly on the struct sg_table objects and use scatterlist page
iterators where possible. This, almost always, hides references to the
nents and orig_nents entries, making the code robust, easier to follow
and copy/paste safe.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/371142/
Signed-off-by: Christian König <christian.koenig@amd.com>
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|
Some pp or gp jobs can be successfully repeated even after they time outs.
Introduce lima module parameter to specify number of times a job can hang
before being dropped.
Signed-off-by: Andrey Lebedev <andrey@lebedev.lt>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200619075900.3030696-1-andrey.lebedev@gmail.com
|
|
This change expands the coverage for the IGT kms_cursor_crc test, where
the size varies between 64 and 512 for a square cursor. With this, in
addition to the cursor 64x64, this patch enables the test of cursors with
sizes: 128x128, 256x256, and 512x512.
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Reviewed-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200710160313.xjoz6ereyma5vkc3@smtp.gmail.com
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The LG LB070WV8 panel incorrectly reports a 16 bits per component value,
while the panel uses 8 bits per component. Fix it.
Fixes: dd0150026901 ("drm/panel: simple: Add support for LG LB070WV8 800x480 7" panel")
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200711225317.28476-1-laurent.pinchart+renesas@ideasonboard.com
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Delay the backlight on to make sure the video stable.
Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200705094514.34526-1-jitao.shi@mediatek.com
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Prevents a warning in the MST create connector case.
v2: create global fake encoders rather per connector fake encoders
to avoid running out of encoder indices.
v3: use the actual number of crtcs on the asic rather than the max
to conserve encoders.
v4: v3 plus missing hunk I forgot to git add.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1108
Fixes: c6385e503aeaf9 ("drm/amdgpu: drop legacy drm load and unload callbacks")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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