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The VID_REG_FLD_MOD function takes the start and end bits as parameter
and will generate a mask out of them.
This makes it difficult to share the masks between callers, since we now
need two arguments and to keep them consistent.
Let's change VID_REG_FLD_MOD to take the mask as an argument instead,
and let the caller create the mask. Eventually, this mask will be moved
to a define.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-10-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The VID_REG_GET function takes the start and end bits as parameter and
will generate a mask out of them.
This makes it difficult to share the masks between callers, since we now
need two arguments and to keep them consistent.
Let's change VID_REG_GET to take the mask as an argument instead, and
let the caller create the mask. Eventually, this mask will be moved to a
define.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-9-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The REG_FLD_MOD function takes the start and end bits as parameter and
will generate a mask out of them.
This makes it difficult to share the masks between callers, since we now
need two arguments and to keep them consistent.
Let's change REG_FLD_MOD to take the mask as an argument instead, and
let the caller create the mask. Eventually, this mask will be moved to a
define.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-8-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The REG_GET function takes the start and end bits as parameter and will
generate a mask out of them.
This makes it difficult to share the masks between callers, since we now
need two arguments and to keep them consistent.
Let's change REG_GET to take the mask as an argument instead, and let
the caller create the mask. Eventually, this mask will be moved to a
define.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-7-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The FLD_MOD function is an equivalent to what FIELD_MODIFY + GENMASK
provide, so let's drop it and switch to the latter.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-6-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The FLD_GET function is an equivalent to what FIELD_GET + GENMASK
provide, so let's drop it and switch to the latter.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-5-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The FLD_VAL function is an equivalent to what FIELD_PREP + GENMASK
provide, so let's drop it and switch to the latter.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-4-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The dispc FLD_MASK function is an exact equivalent of the GENMASK macro.
Let's convert the dispc driver to the latter.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-3-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The dispc driver uses upper-cased, inlined, functions to provide
macro-like accessors to the dispc registers.
This is confusing, since upper-case is usually used by macros, and that
pattern will create gcc errors later on in this series.
Let's switch to macros to make it more consistent, and prevent those
errors down the line.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-2-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The OVR_REG_GET function in the dispc driver is not used anywhere. Let's
drop it.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250827-drm-tidss-field-api-v3-1-7689b664cc63@kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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The simple display pipe is obsolete and the atomic helpers allow for
more control over the rendering process. As such, this patch replaces
the old simple display pipe system with the newer atomic helpers.
As the code is mainly the same, merely replaced with the new atomic
system, there should be no change in functionality.
Signed-off-by: Ruben Wauters <rubenru09@aol.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250818193553.2162-1-rubenru09@aol.com
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Userspace jobs have drm_file.client_id as a unique identifier
as job's owners. For kernel jobs, we can allocate arbitrary
values - the risk of overlap with userspace ids is small (given
that it's a u64 value).
In the unlikely case the overlap happens, it'll only impact
trace events.
Since this ID is traced in the gpu_scheduler trace events, this
allows to determine the source of each job sent to the hardware.
To make grepping easier, the IDs are defined as they will appear
in the trace output.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://lore.kernel.org/r/20250604122827.2191-1-pierre-eric.pelloux-prayer@amd.com
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Replace redundant return value judgment with PTR_ERR_OR_ZERO() to
enhance code readability.
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20250815133643.418089-1-liaoyuanhong@vivo.com
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This ensures that the memory write and the interrupt are properly
ordered and we won't wake up the kernel before the semaphore write has
hit memory.
Fixes: b1ca384772b6 ("drm/nouveau/gv100-: switch to volta semaphore methods")
Cc: stable@vger.kernel.org
Signed-off-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://lore.kernel.org/r/20250829021633.1674524-2-airlied@gmail.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Nouveau has code that when it gets an IRQ with no allowed handler
it disables it to avoid storms.
However with nonstall interrupts, we often disable them from
the drm driver, but still request their emission via the push submission.
Just don't disable nonstall irqs ever in normal operation, the
event handling code will filter them out, and the driver will
just enable/disable them at load time.
This fixes timeouts we've been seeing on/off for a long time,
but they became a lot more noticeable on Blackwell.
This doesn't fix all of them, there is a subsequent fence emission
fix to fix the last few.
Fixes: 3ebd64aa3c4f ("drm/nouveau/intr: support multiple trees, and explicit interfaces")
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://lore.kernel.org/r/20250829021633.1674524-1-airlied@gmail.com
[ Fix a typo and a minor checkpatch.pl warning; remove "v2" from commit
subject. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Since commit e7fa80e2932c ("drm_gem: add mutex to drm_gem_object.gpuva")
it is possible for test_prepare_array() to exceed a stack frame size of
2048 bytes depending on the exact configuration of the kernel.
drivers/gpu/drm/tests/drm_exec_test.c: In function ‘test_prepare_array’:
drivers/gpu/drm/tests/drm_exec_test.c:171:1: error: the frame size of 2128 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
171 | }
| ^
cc1: all warnings being treated as errors
make[6]: *** [scripts/Makefile.build:287: drivers/gpu/drm/tests/drm_exec_test.o] Error 1
make[6]: *** Waiting for unfinished jobs....
In order to fix this, allocate the GEM objects in test_prepare_array()
with kzalloc(), rather than placing them on the stack.
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Christian König <christian.koenig@amd.com>
Fixes: e7fa80e2932c ("drm_gem: add mutex to drm_gem_object.gpuva")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Nirmoy Das <nirmoyd@nvidia.com>
Link: https://lore.kernel.org/r/20250829075633.2306-1-dakr@kernel.org
[ Use kunit_kzalloc() instead of kzalloc(). - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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[Why&How]
ON DCN314, clearing DPP SW structure without power gating it can cause a
double cursor in full screen with non-native scaling.
A W/A that clears CURSOR0_CONTROL cursor_enable flag if
dcn10_plane_atomic_power_down is called and DPP power gating is disabled.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4168
Reviewed-by: Sun peng (Leo) Li <sunpeng.li@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 645f74f1dc119dad5a2c7bbc05cc315e76883011)
Cc: stable@vger.kernel.org
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We already disable the audio pins in hw_fini so
there is no need to do it again in sw_fini.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4481
Cc: oushixiong <oushixiong1025@163.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 5eeb16ca727f11278b2917fd4311a7d7efb0bbd6)
Cc: stable@vger.kernel.org
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[Why]
Although compositors will add their own modes, Xorg won't use it's own
modes and will only stick to modes advertised by the driver. This mean a
user that used to pick 1024x768 could no longer access it unless the
panel's native resolution was 1024x768.
[How]
Revert commit 6d396e7ac1ce3 ("drm/amd/display: Disable common modes for
LVDS") and commit 7948afb46af92 ("drm/amd/display: Disable common modes
for eDP").
The panel will still use scaling for any non-native modes due to
commit 978fa2f6d0b12 ("drm/amd/display: Use scaling for non-native
resolutions on eDP")
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4538
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250828140856.2887993-1-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit c2fbf72fe3c2d08856e834ca43328a8829a261d8)
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If the firmware is too old, just warn and return success.
Fixes: 27b791514789 ("drm/amdgpu/mes: keep enforce isolation up to date")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4414
Cc: shaoyun.Liu@amd.com
Reviewed-by: Shaoyun.liu <Shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 9f28af76fab0948b59673f69c10aeec47de11c60)
Cc: stable@vger.kernel.org
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Using the previous firmware could lead to problems with
PROTECTED_FENCE_SIGNAL commands, specifically causing register
conflicts between MCU_DBG0 and MCU_DBG1.
The updated firmware versions ensure proper alignment
and unification of the SDMA_SUBOP_PROTECTED_FENCE_SIGNAL value with SDMA 7.x,
resolving these hardware coordination issues
Fixes: e8cca30d8b34 ("drm/amdgpu/sdma6: add ucode version checks for userq support")
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit aab8b689aded255425db3d80c0030d1ba02fe2ef)
Cc: stable@vger.kernel.org
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Update the legacy (non-DC) display code to respect the maximum
pixel clock for HDMI and DVI-D. Reject modes that would require
a higher pixel clock than can be supported.
Also update the maximum supported HDMI clock value depending on
the ASIC type.
For reference, see the DC code:
check max_hdmi_pixel_clock in dce*_resource.c
v2:
Fix maximum clocks for DVI-D and DVI/HDMI adapters.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Summary:
* Refactor bounding box values handling
* Fix incorrect condition to fail dto clk calculation
* Skip check downlink setting for a certain MST branch device
* Fix double cursor issue on dcn314
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[why]
Read link setting inside mode validation is not always the final downlink setting.
It is found true in Synaptics branch device.
At bootup, the preferred mode being set right after 1080p is set. It occurred
before graphic load. That modeset switch in a short period of time makes
the branch device switch back and forth from lower and higher link rate,
observed at Synaptics branch device.
DP2 RTK hub on the other hand, sticks to highest available downlink rate after bootup.
Existing check of runtime downlink setting in mode validation shows asynchronous at
branch device link switch, i.e., downlink switch to higher link rate not yet complete
when the mode validation tries to probe the downlink setting. That makes mode validation
checking downlink setting making wrong decision by pruning modes that should pass the
validation after the downlink setting switch is complete.
[how]
If Synaptics is found at the last branch, skip checking downlink setting
at mode validation.
Reviewed-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why&How]
ON DCN314, clearing DPP SW structure without power gating it can cause a
double cursor in full screen with non-native scaling.
A W/A that clears CURSOR0_CONTROL cursor_enable flag if
dcn10_plane_atomic_power_down is called and DPP power gating is disabled.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4168
Reviewed-by: Sun peng (Leo) Li <sunpeng.li@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why & How]
Previously, when calculating dto phase, we would incorrectly fail when phase
<=0 without additionally checking for the integer value. This meant that
calculations would incorrectly fail when the desired pixel clock was an exact
multiple of the reference clock.
Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Clay King <clayking@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
Bounding box values can be stored in multiple locations. (e.g. PMFW, VBIOS, DMUB).
The source and interpretation of these values can vary with DCN revision
so there should be a component that can gather these values and translate
them accordingly
[How]
Have component start with the statically defined values as a base.
Then update them as needed with DCN-specific logic
Guard this component with FPU flags since values need to be in float point.
Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Austin Zheng <Austin.Zheng@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
Custom brightness curve works by walking through all data points one
by one. When the brightness value is at either extreme this is a lot
of data points to walk. This is especially noticeable when moving a
brightness slider around how it can lag.
[How]
Bisect the data points to find the closest for interpolation.
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
-Pipe splitting allows for clocks to be reduced, but when using TMDS 420,
reduced clocks lead to missed clocks cycles on clock resyncing
[How]
-Impose a minimum clock when using TMDS 420
Reviewed-by: Chris Park <chris.park@amd.com>
Signed-off-by: Relja Vojvodic <rvojvodi@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We already disable the audio pins in hw_fini so
there is no need to do it again in sw_fini.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4481
Cc: oushixiong <oushixiong1025@163.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
Although compositors will add their own modes, Xorg won't use it's own
modes and will only stick to modes advertised by the driver. This mean a
user that used to pick 1024x768 could no longer access it unless the
panel's native resolution was 1024x768.
[How]
Revert commit 6d396e7ac1ce3 ("drm/amd/display: Disable common modes for
LVDS") and commit 7948afb46af92 ("drm/amd/display: Disable common modes
for eDP").
The panel will still use scaling for any non-native modes due to
commit 978fa2f6d0b12 ("drm/amd/display: Use scaling for non-native
resolutions on eDP")
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4538
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250828140856.2887993-1-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If the firmware is too old, just warn and return success.
Fixes: 27b791514789 ("drm/amdgpu/mes: keep enforce isolation up to date")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4414
Cc: shaoyun.Liu@amd.com
Reviewed-by: Shaoyun.liu <Shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use __free(kfree) for memory alloc cleanups in SMUv13.0.6
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The patch uses power state of VCN instances for requesting video
profile.
In idle worker of a vcn instance, when there is no outstanding
submisssion or fence, the instance is put to power gated state. When
all instances are powered off that means video profile is no longer
required. A request is made to turn off video profile.
A job submission starts with begin_use of ring, and at that time
vcn instance state is changed to power on. Subsequently a check is
made for active video profile, and if not active, a request is made.
Fixes: 3b669df92c85 ("drm/amdgpu/vcn: adjust workload profile handling")
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Sriov guest side doesn't init ras feature hence the poison irq shouldn't
be put during hw fini
Signed-off-by: Mangesh Gadre <Mangesh.Gadre@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Sriov guest side doesn't init ras feature hence the poison irq shouldn't
be put during hw fini
Signed-off-by: Mangesh Gadre <Mangesh.Gadre@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v1:
1. Unified amdgpu ip block name print with format
"{ip_type}_v{major}_{minor}_{rev}"
2. Avoid IP block name conflicts for SMU/PSP ip block
v2:
Update IP block print format to keep legacy IP block name (Alex)
"{ip_type}_v{major}_{minor}_{rev} ({funcs->name})"
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Using the previous firmware could lead to problems with
PROTECTED_FENCE_SIGNAL commands, specifically causing register
conflicts between MCU_DBG0 and MCU_DBG1.
The updated firmware versions ensure proper alignment
and unification of the SDMA_SUBOP_PROTECTED_FENCE_SIGNAL value with SDMA 7.x,
resolving these hardware coordination issues
Fixes: e8cca30d8b34 ("drm/amdgpu/sdma6: add ucode version checks for userq support")
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Notify pmfw when bad page threshold is exceeded, no matter the module
parameter 'bad_page_threshold' is set or not.
Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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For multiple VCN instances case we get multiple lines of the same
message like below:
amdgpu 0000:43:00.0: amdgpu: Found VCN firmware Version ENC: 1.24 DEC: 9 VEP: 0 Revision: 11
amdgpu 0000:43:00.0: amdgpu: Found VCN firmware Version ENC: 1.24 DEC: 9 VEP: 0 Revision: 11
By adding instance number to the log message for multiple VCN instances,
each line will clearly indicate which VCN instance it refers to.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use max() to reduce the code and improve readability.
No functional changes.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fix a kernel-doc warning by documenting the num_rmcm_3dluts member of struct mpc_color_caps.
v2: improve comment (Melissa)
Signed-off-by: Kavithesh A.S <kavitheshnitt@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch corrects several typographical errors in atomfirmware.h.
The fixes improve readability and maintain consistency in the codebase.
No functional changes are introduced.
Corrected terms include:
- aligment → alignment
- Offest → Offset
- defintion → definition
- swithing → switching
- calcualted → calculated
- compability → compatibility
- intenal → internal
- sequece → sequence
- indiate → indicate
- stucture → structure
- regiser → register
Signed-off-by: Yugansh Mittal <mittalyugansh1@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If an object is backed up to shmem it is incorrectly identified
as not having valid data by the move code. This means moving
to VRAM skips the -EMULTIHOP step and the bo is cleared. This
causes all sorts of weird behaviour on DGFX if an already evicted
object is targeted by the shrinker.
Fix this by using ttm_tt_is_swapped() to identify backed-up
objects.
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/5996
Fixes: 00c8efc3180f ("drm/xe: Add a shrinker for xe bos")
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: <stable@vger.kernel.org> # v6.15+
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://lore.kernel.org/r/20250828134837.5709-1-thomas.hellstrom@linux.intel.com
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The per-fd reset counter tracks GPU resets caused by jobs submitted
through a specific file descriptor. However, there's a race condition
where the file descriptor can be closed while jobs are still running,
leading to potential access to freed memory when updating the reset
counter.
Ensure that the per-fd reset counter is only updated when the file
descriptor is still valid, preventing use-after-free scenarios during
GPU reset handling.
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Link: https://lore.kernel.org/r/20250826-v3d-queue-lock-v3-6-979efc43e490@igalia.com
Signed-off-by: Maíra Canal <mcanal@igalia.com>
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CPU jobs and CACHE CLEAN jobs execute synchronously once the DRM
scheduler starts running them. Therefore, there is no fence to wait on,
neither are those jobs able to timeout.
Hence, remove the `timedout_job` hook from the CPU and CACHE CLEAN
scheduler ops.
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Link: https://lore.kernel.org/r/20250826-v3d-queue-lock-v3-5-979efc43e490@igalia.com
Signed-off-by: Maíra Canal <mcanal@igalia.com>
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When the file descriptor is closed while a job is still running,
there's a race condition between the job completion callback and the
file descriptor cleanup. This can lead to accessing freed memory when
updating per-fd GPU stats, such as the following example:
[56120.512903] Unable to handle kernel paging request at virtual address 0000330a92b9688a
[56120.520881] Mem abort info:
[56120.523687] ESR = 0x0000000096000005
[56120.527454] EC = 0x25: DABT (current EL), IL = 32 bits
[56120.532785] SET = 0, FnV = 0
[56120.535847] EA = 0, S1PTW = 0
[56120.538995] FSC = 0x05: level 1 translation fault
[56120.543891] Data abort info:
[56120.546778] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
[56120.552289] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[56120.557362] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[56120.562690] user pgtable: 16k pages, 47-bit VAs, pgdp=0000000023f54000
[56120.569239] [0000330a92b9688a] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
[56120.577975] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
CPU: 0 UID: 1000 PID: 1497409 Comm: mpv Not tainted 6.12.37-ncvm5+ #1
Hardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)
pstate: 604000c9 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : v3d_job_update_stats+0x64/0x168 [v3d]
lr : v3d_job_update_stats+0x40/0x168 [v3d]
sp : ffffc00080003e60
x29: ffffc00080003e60 x28: ffff800002860000 x27: 0000000000000000
x26: 0000000000000000 x25: ffff800002860000 x24: ffff800002630800
x23: ffff800060786000 x22: 0000330a933c31fb x21: 0000000000000001
x20: 0000330a92b96302 x19: ffff800060786b10 x18: 0000000000000000
x17: ffffaf90506a0000 x16: ffffd06fce57c360 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : ffffd06f5d0fec40
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000002978dbd535a
x5 : 00ffffffffffffff x4 : 0000000000000015 x3 : 0000300001fddf88
x2 : 0000000000000020 x1 : 0000000000010001 x0 : 0000330a92b96872
Call trace:
v3d_job_update_stats+0x64/0x168 [v3d]
v3d_irq+0x118/0x2e0 [v3d]
__handle_irq_event_percpu+0x60/0x220
Fix such an issue by protecting all accesses to `job->file_priv` with
the queue's lock. With that, we can clear `job->file_priv` before the
V3D per-fd structure is freed and assure that `job->file_priv` exists
during the per-fd GPU stats updates.
Fixes: e1bc3a13bd77 ("drm/v3d: Avoid NULL pointer dereference in `v3d_job_update_stats()`")
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Link: https://lore.kernel.org/r/20250826-v3d-queue-lock-v3-4-979efc43e490@igalia.com
Signed-off-by: Maíra Canal <mcanal@igalia.com>
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Each V3D queue works independently and all the dependencies between the
jobs are handled through the DRM scheduler. Therefore, there is no need
to use one single lock for all queues. Using it, creates unnecessary
contention between different queues that can operate independently.
Replace the global spinlock with per-queue locks to improve parallelism
and reduce contention between different V3D queues (BIN, RENDER, TFU,
CSD). This allows independent queues to operate concurrently while
maintaining proper synchronization within each queue.
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Link: https://lore.kernel.org/r/20250826-v3d-queue-lock-v3-3-979efc43e490@igalia.com
Signed-off-by: Maíra Canal <mcanal@igalia.com>
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