On 26/10/2016 07:32, Daniel Vetter wrote:
On Tue, Oct 25, 2016 at 03:02:33PM +0000, Paneri, Praveen wrote:
So when you say that all Y tiling tests fail without this kernel hack, which tests you are referring to?
If I revert this IGT patch and do not make below kernel change, kms_draw_crc (ytiled cases, last patch in this series) fail with following error.
Test assertion failure function igt_assert_crc_equal, file hardware/intel/intel-gpu-tools/lib/igt_debugfs.c:266:
Failed assertion: a->crc[i] == b->crc[i]
error: 0x68c96b8b != 0x948e53b
I think, I shall debug it further and try to fix it without making this change.
Can't we just set the fb modifiers when creating the drm_fb in the igt
helpers?
Thats already there, if I understand what you mean. But it only does the
modifer and does not set the object tiling. So I suspect this test might
be depending on object tiling being set as well? In which case we may
be missing the capability to create the object separately from the fb
creation, because otherwise it is too late to try to change the object
tiling.
Regards,
Tvrtko
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