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And they keep it disabled until something else enables it. So let's
consider this on the draw subtests.
With this, some PSR tests that were failing will now start passing.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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Because the GTT mmaps "permanently" disable PSR and this can mess
some of our assertions. So let's just use the CPU domain to keep the
implementation simple.
With this, some PSR tests that were failing will now start passing.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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It doesn't make sense to write on the sprite/cursor plane of the
"offscreen" screen. The pick_target() function was just returning the
offscreen_fb pointer for those cases, so we were not really testing
any cursor or sprite code. So the tests were just the same as
offscreen-pri.
That kills 24 subtests for each feature (72 in total).
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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This test exercies the dev_priv->fb_tracking.busy_bits bug I recently
found and Daniel fixed.
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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Rename it to prepare_subtest. This function used to be much smaller
when I decided its name.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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Get rid of fb2_region, use params->fb directly instead.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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I often add new temoprary wait_user() calls when debugging things, and
having to add "if (opt.step)" is annoying, so let's make the step
level check inside wait_user(). As a bonus, our huge macro is 2 lines
shorter.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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And require sink CRC support for PSR, since the pipe CRC is not
exactly useful there.
v2: Check for ENOTTY (Rodrigo).
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91019
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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This is a new test that should exercise the frontbuffer tracking
feature of the Kernel in a number of different ways. We use different
drawing methods, we use the primary, cursor and sprite planes, we can
test both on single and dual pipes, also on buffers not associated
with any CRTCs, etc.
We currently have assertions for both FBC and PSR, and we also have a
"nop" test mode that should disable both FBC and PSR, and can be
used for debugging.
This test is also capable of testing both FBC and PSR even if they are
disabled by default on the Kernel: the test knows how to change the
i915.ko parameters and then set them back after testing.
I am getting a significant number of failures when I run this test,
which means we have some work to do on the Kernel.
I also still have a small list of additional subtests that I plan to
add to this test, and those tests are documented on the main function.
v2:
- Use igt_debugfs_open() (Thomas).
- Use igt_test_description() (Thomas).
- Don't check drm_open_any_master()'s result (Thomas).
- Use igt_require_f() in some cases (Thomas).
- Standardize some assertions.
- Use the new module param functions.
- Check if FBC is supported by the chipset.
- Add new subtests (multidraw, enum fbs, fbc+psr).
- Make tests a little shorter.
- Reorganize which tests ara ran by default.
- Better comments everywhere.
- Rebase.
v3:
- Fix a small typo.
- Improve the log messages a little bit more.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
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