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Allow XY_FAST_COPY_BLT on DG2. This fixes x-tiled blits on DG2.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5450
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5409
Tested-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
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Opendir(3) and fdopendir(3) are quite expensive system calls when ran in
a loop which iterates all processes in a system times all open files in
each.
Replace some of them (easy ones) with simpler open(2)/read(2) combo to
avoid hammering on the malloc/free.
This brings the default CPU usage of the tool on my desktop from ~3% to
~2%.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
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All the clean up functions were moved to fixture in patch "2aff4179".
But this causes an assert in intel_bb_destory() after the test passes,
on configurations having eDP connected.
So moving the intel_bb_destroy() call back to the original function.
Fixes: 2aff41793e5f ("tests/i915/kms_big_fb: Move cleanup code to fixture")
Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Acked-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Reviewed-by: Swati Sharma <swati2.sharma@intel.com>
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The i915 KMD will use the first async flip to update the watermarks as
per the watermark optimization in DISPLAY13. Hence the actual async flip
will happen from the subsequent flips.
For alternate sync async test, a dummy async flip has to be done to
allow the KMD to perform the watermark related updates before writing to
the surface base address.
Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Karthik B S <karthik.b.s@intel.com>
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Added description for subtests.
v2: Added global description and modified others.
Cc: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Signed-off-by: Priyanka Dandamudi <priyanka.dandamudi@intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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Instead of using a separate "is_ats_m" flag, reuse "is_dg2" in ATS-M
intel_device_info definition. Delete is_ats_m in intel_device_info struct
definition and IS_ATS_M() macro, as they are no longer needed.
Signed-off-by: Karolina Drobnik <karolina.drobnik@intel.com>
Acked-by: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
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Make sure to allocate ahnd so that spinner starts with no-reloc
execbuf otherwise this will fail on platforms with relocation disabled.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6117
Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
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As Petri noticed there's signal delivery race which might lead to
situation when two children send SIGALRM to master process not in
the same time. Signal from first child just awake master process
which reinstalls previous signal handler. Second signal is then
handled by default handler so we got process exit and failure.
Lets move signal reinstall to moment when children will just exit.
Allocator warning which notices there's existing ipc queue is
then an effect, not the reason. Unfortunately multiprocess start/stop
were called in the test, not in the fixture, so test failure doesn't
call multiprocess stop at all (and we see there's dangling queue).
Deeper look to client() implementation allows to remove multiprocess
allocator dependency. Function runs in its own separated context
so we don't need to arbitrate and just call intel_allocator_init()
to become standalone allocator.
Fixes: https://gitlab.freedesktop.org/drm/intel/-/issues/4055
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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This test is expected to run under a certain time defined by a command
line parameter (by default, 2s).
In order to achive the specified time, the baseline() function tries to
estimate the value of a counter that will get the minimal amount of
interaction to wait for > 0.1s.
However, currently, the baseline estimation is broken, returning a too big
number, as it is measuring the memcpy() time, instead of actually
gem_execbuf().
Due to that, a default test without passing any command line parameter
would take more than 1.5 years to output the first benchmark data!
Fix it by using the same logic that it is inside run() at the baseline
time estimation.
Before this patch, baseline could return 399242693. After
it, it now return 20. That means an interval of about 120 ms at the
code which runs a gem_execbuf() loop, which should be good enough to
ensure that the tests won't take too long, and will approximately match
the time specified by the excecution parameter '-t'.
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Add a line after the code coverage summary printing the filters
that were used to produce the results, if any.
This is important specially when multiple filters could be used
to produce different reports.
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Instead of using dynamic subtests as <output name>-<pipe name>,
update as <pipe name>-<output name>.
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Reviewed-by: Swati Sharma <swati2.sharma@intel.com>
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Convert the existing subtests to dynamic subtests at pipe level.
V2:
* Fix nested igt_fixture in igt_subtest
V3:
* Add output name to subtest
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Reviewed-by: Swati Sharma <swati2.sharma@intel.com>
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Create a helper function to check that the system supports the
given crtc/connector mode(s).
Example:
* Pipe-D won't support Bigjoiner, hence we can't use the connector
modes greater than 5K on Pipe-D
* To use 8K mode on a pipe, then the consecutive pipe must be free.
The Kernel is expected to reject the invalid combo (which must be
validated as a scenario separately). So, this helper function checks
the validity of the combo to avoid failures.
To use this helper, each individual subtest needs to set the @pipe
to a specific @output by igt_output_set_pipe() and call this helper
to check the validity of the combo.
V2:
* Rebase
* Add support to handle fused pipes
V3:
* Reject the bigjoiner if the consecutive pipe is not available
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Karthik B S <karthik.b.s@intel.com>
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Covert the tests to dynamic subtests at pipe level.
v2: -Use separate variables for planes in dual_display test. (Bhanu)
-Add igt_require(display.is_atomic) in fixture. (Bhanu)
-Remove redundant check in loop. (Bhanu)
Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
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Adds support for the IGT_CRC_SOURCE environmental variable to make it
easier for drivers to run tests using custom CRC sources.
Example usage:
`IGT_CRC_SOURCE=intf ./kms_pipe_crc_basic`
If the IGT_CRC_SOURCE isn't set, use the original source that was passed
in as a parameter to pipe_crc_new().
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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Newer platforms have an embedded table giving details about that
platform's hardware configuration. This table can be retrieved from
the KMD via the existing query API. So add a test for it as both an
example of how to fetch the table and to validate the contents as much
as is possible.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Cc: Slawomir Milczarek <slawomir.milczarek@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
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None of the query tests had a description. So make some up.
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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Update to the latest master version of the DRM UAPI header file from
git://anongit.freedesktop.org/git/drm/drm:
c4955d9cd2fc Merge tag 'drm-intel-next-fixes-2022-05-24' of
git://anongit.freedesktop.org/drm/drm-intel into drm-next
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
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IGT commit 68efa99c62e2 ("i915/gem_eio: Exercise object creation while
wedged") extended lib/i915/intel_memory_region.h header with a definition
of new struct gem_memory_region. That structure contains a member of type
struct drm_i915_gem_memory_class_instance, but definition of that type is
not available unless "i915_drm.h" header is included. Include the missing
header.
../lib/i915/intel_memory_region.h:118:44: error: field ‘ci’ has incomplete type
118 | struct drm_i915_gem_memory_class_instance ci;
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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Add test cleanup function and call it outside the dynamic subtest, so
that the cleanup happens even in case of subtest failure.
v2: -Move igt_display_reset() and igt_output_set_pipe() outside
the plane loop (Bhanu)
-Add igt_display_require_output() in fixture (Bhanu)
Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
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Covert the existing subtests to dynamic subtests at pipe/output level.
v2: -Use array of structures to populate subtests to avoid code
duplication (Bhanu)
-Update subtest name (Bhanu)
v3: -Pass 'modifier' variable while calling test_planes_on_pipe (Bhanu)
-Add '\n' in igt_describe (Bhanu)
Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
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Add simple test which compares crc32 sums and calculation times on cpu
and gpu.
v2: - addressing review comments - igt_debug + igt_time_elapsed (Kamil)
- exercise crc for size smaller than page size
v3: - change clock_gettime() to igt_gettime() (Petri)
- add crc_n for decrease execution time (Zbigniew)
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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Adding crc32 calculation on gpu gives us new possibility to verify data
integrity without relying on trust cpu mapping is correct.
Patch introduces calculating crc32 on DG2 only. On older gens ALU
(MI_MATH) doesn't support bit-shifting instructions as well as multiply
or divide. Emulating n-bit shifts cost hundred of instructions with
predicated SRM (works on render engine only). Another limitation is lack
of indexed load / store. On DG2 we can use WPARID and CS_MI_ADDRESS_OFFSET
to achieve indexed operation on memory.
Due to performance reasons (cpu crc32 calculation even on WC memory is
still much faster than on gpu, also depends on calculated object memory
region) calculation will complete in reasonable of time only for few MiB.
v2: - use registers relative to engine to allow run on all engines (Chris)
- use predication instead of memory access to get better performance
(Chris)
- add location where crc32 implementation comes from (Petri)
v4: - use common crc32 table from igt_crc
- add docs
v5: - change BIT(n) to informative macros (Zbigniew)
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Acked-by: Petri Latvala <petri.latvala@intel.com>
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Add crc32 table for on-cpu crc calculation function. Other tables and
algorithms should be added here allowing reuse tables for in-gpu crc
calculation.
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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In few tests we got some MI_* duplicates (MI_MATH for example).
Add common definitions in intel_reg.h and remove local definitions
in the tests.
v2: Definitions MI_LOAD_REGISTER_MEM_GEN8 was removed so from now
on user will need to encode length on it own. :
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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Now that we can create arbitrary dependencies with the igt_spin_t dummy
load, we can replace the custom spinner in prime_busy.
v2:
put_ahnd() used [Zbigniew]
Signed-off-by: Chris Wilson <chris.p.wilson@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Zbigniew Kempczynski <zbigniew.kempczynski@intel.com>
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i915 driver continues to behave in such a way that CDCLK is never
decreased, but always increased. This is done in order to
avoid continuous CDCLK switching.
So, in case if new CDCLK(after transition from low to high mode)
is same as reference CDCLK i.e. reference = new because of
above stated driver optimization; the current mode-transition test
is passed else ref < new condition is checked (as we expect CDCLK
will bump after mode transition from low to high mode). This is done
in current mode-transition subtest where we are checking mode
transition on each valid output.
In this patch, a new subtest is added which lowers modes of
all valid outputs simultaneously and then switches to highest
mode to get proper DVFS behavior along with the above mentioned
driver policy. In this case, we should expect CDCLK switch from low
to high.
Along with this, few cleanups have been done.
v2: Fixed build error
Cc: Uma Shankar<uma.shankar@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
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This should be the first test that runs in most CI test lists, as it
makes sure i915 is available, and if not, logs why it can't be loaded.
Signed-off-by: Ryszard Knop <ryszard.knop@intel.com>
Acked-by: Petri Latvala <petri.latvala@intel.com>
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Add a test that:
- Checks if i915 and associated drivers are not yet loaded;
- Loads the i915 driver;
- Performs a small set of sanity tests to make sure the GPU is there.
The test is skipped if the driver is already loaded. The reload test now
also performs the same checks. This should be the first test executed in
CI test lists.
Signed-off-by: Ryszard Knop <ryszard.knop@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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New gens has no relocations so enable both paths, relocs for
older gens and softpin for newer ones.
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Signed-off-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
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From dg2, there are multiple compute engines which conflict with the
parallel-submit restriction; check for the illegal engine class prior to
running the test.
And from dg2, MI_ATOMIC is only valid for use with system memory for
INC, DEC and MOV operation, not the ADD used in the test workload.
Replace the ADD+1 with an INC, so that the same workload runs on all
platforms.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6157
Signed-off-by: Chris Wilson <chris.p.wilson@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
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Currently, kms_writeback_get_output iterates over all entries of
display->pipes, regardless of if the pipe is valid. This could lead to a
null dereference in igt_output_set_pipe() as the loop does not check for
null pipes. To avoid this issue, use the for_each_pipe method to iterate
over only non-null pipes.
Signed-off-by: Rohith Iyer <quic_rohiiyer@quicinc.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>
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Replace drm function call with existing library functions
igt_display_reset() before all subtests
v2: -Move conversion to dynamic subtest to a separate patch (Bhanu)
-Use igt_output_get_mode to get default mode (Bhanu)
-Add 'is_atomic' check before igt_display_commit2 (Bhanu)
v3: -Move test_init after the checks to skip subtest (Bhanu)
-Update the logic to call make_fb() in test_init()
v4: -Move patch after patch to convert tests to dynamic to avoid code
duplicaton. (Bhanu)
v5: -Update commit message. (Bhanu)
-Move skip checks in the dynamic subtests before the start of the
subtest to optimize the test. (Bhanu)
-Close drm_fd at the end of the subtest.
v6: -Fix identation for braces. (Andre)
v7: -Remove '-' from commit description. (Kamil)
Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
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Convert test to dynamic subtests at pipe-output level.
Also, restrict the test to run with one output by default.
Add support to run on all outputs using the extended flag.
v2: -Get the mode after igt_display_reset() (Bhanu)
v3: -Move patch to start of series to avoid code duplication (Bhanu)
-Use for_each_pipe() instead of for_each_pipe_static() (Bhanu)
v4: -Add helper to avoid code duplication (Andre)
v5: -Add more details in the commit message (Kamil)
Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
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v2 (Jason Ekstrand):
- Put the skip for igt_rwquire_sw_sync() in the subtests
v3 (Jason Ekstrand):
- Use a separate igt_require(has_dmabuf_import_sync_file())
- Tag as RFC because the kernel patches are RFC
v4 (Jason Ekstrand):
- Rework the tests with the new semantics; import no longer tries to
guarantee writes finish after reads.
v5 (Kamil Konieczny):
- Add igt_describe() for each subtest
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Signed-off-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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v2 (Jason Ekstrand):
- Rename subtests to have "export" in the name
v3 (Jason Ekstrand):
- Add an export-before-signal subtest
v4 (Jason Ekstrand):
- Test both via sync_file and via poll to ensure the semantics match
properly.
v5 (Kamil Konieczny):
- Add igt_describe() for each subtest
v6 (Kamil Konieczny):
- Use SPDX license headers
- Tweak the test description a bit
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Signed-off-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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When a subtest fails, it exits from the assert and does not run the
cleanup part of the subtest. To avoid this, move the cleanup code to
igt_fixture outside the subtest.
Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Reviewed-by: Jeevan B <jeevan.b@intel.com>
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When older patches had been merged on top of newer patches
has_flatccs flag usage had gotten lost, put it back here.
While at it also set has_flatccs flag to take only one bit
since it is of boolean type.
CC: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Acked-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
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4tiled rc ccs and color clear tests were testing wrong things
because wrong modifier was used for choosing test path.
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
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On discrete detected default alignment may be bigger than single page
so it is likely we enter offsets > 32b. To avoid getting -EINVAL adding
flag EXEC_OBJECT_SUPPORTS_48B_ADDRESS is now necessary.
Fixes: deep, smoketest, smoketest-all
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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Running spinner in default context is not correct because it can
contain less engines than spinner expect. Fix this by setting
two contexts with identical set of engines.
Fixes: semaphore-noskip and u-semaphore-noskip
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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Engine passed to the subtest comes from configuration which is build
on top of all-physical-engines context. Add dedicated context for
the spinner which is compatibile with this engine.
Fixes: pi-shared-iova and pi-distinct-iova
Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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Added test description to all the available subtests.
Cc: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Signed-off-by: Janga Rahul Kumar <janga.rahul.kumar@intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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Added test description to all the available subtests.
Cc: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Signed-off-by: Janga Rahul Kumar <janga.rahul.kumar@intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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Added test description to all the available subtests and
fix file name in the file description comments.
v2: Fix syntax issues.
v3: Modified subtest description.
Cc: Kamil Konieczny <kamil.konieczny@linux.intel.com>
Cc: Priyanka Dandamudi <priyanka.dandamudi@intel.com>
Signed-off-by: Janga Rahul Kumar <janga.rahul.kumar@intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
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skip test if the compatible mode is not found instead of
forcing the first connector mode on to the other connector.
Fixes: https://gitlab.freedesktop.org/drm/intel/-/issues/4190
Signed-off-by: Jeevan B <jeevan.b@intel.com>
Reviewed-by: Karthik B S <karthik.b.s@intel.com>
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Move code for getting the driver-assigned primary plane to before the
`out` tag. This will avoid any crashes in cases where the display
resources haven't been initialized.
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
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1. Create auxiliary directory amdgpu into igt-gpu-tools/lib
Put all helpers and reusable functions into this directory using
the following assumptions:
- group memory alloc/free functions into separate file amd_memory.c and h.
- group command submissions helper functions for GFX, COMPUTE and SDMA into
separate file amd_command_submission.c and h.
- for compute put nop command submission into separate file amd_compute.c and h.
- for graphics put command submission into separate file amd_gfx.c and h.
- for fence put command submission into separate file amd_fence.c and h.
2. Simplify implementation and reduce the number of local variables and allocations.
3. The file igt-gpu-tools/tests/amdgpu/amd_basic.c has only functions responsible
for single sub test:
- amdgpu_memory_alloc
- amdgpu_userptr_test
- amdgpu_command_submission_gfx
- amdgpu_command_submission_compute
- amdgpu_command_submission_multi_fence
- amdgpu_command_submission_sdma
- amdgpu_semaphore_test
4. No helper functions into amd_basic.c file.
5. Updated command submissions for secure buffer.
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Reviewed-by: Alexander Deucher <alexander.deucher@amd.com>
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Add test to assert that the PCI-ID of a device is being detected to the
fast-feedback test list. This check won't pass for new devices that have
no matching entry in intel_device_match table, warning us that device
info definitions are missing and should be added.
Signed-off-by: Karolina Drobnik <karolina.drobnik@intel.com>
Acked-by: Petri Latvala <petri.latvala@intel.com>
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The "max bpc" property only ensures that the bpc will not go beyond
the value set through this property. It does not guarantee that the
same bpc will be used for the given mode.
If clock/bandwidth constraints permit, the max bpc will be used to
show the mode, otherwise the bpc will be reduced. So, if we really
want a particular bpc set, we can try reducing the resolution, till
we get the bpc that we set in max bpc property.
This patch will skip the test, if there is no valid resolution to get
the same bpc as set by max_bpc property.
V2:
* Refactor the logic
V3:
* Minor changes
V4:
* Set output to pipe (igt_output_set_pipe)
Cc: Swati Sharma <swati2.sharma@intel.com>
CC: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
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