]> git.itanic.dy.fi Git - linux-stable/commit
drm/i915: disable sampler indirect state in bindless heap
authorLionel Landwerlin <lionel.g.landwerlin@intel.com>
Fri, 7 Apr 2023 09:32:37 +0000 (12:32 +0300)
committerMatt Roper <matthew.d.roper@intel.com>
Sat, 8 Apr 2023 00:45:05 +0000 (17:45 -0700)
commit16fc9c08f0ec7b1c95f1ea4a16097acdb3fc943d
tree6c852bd202bb3c44d1894bafdd19afbee32ad3ae
parente24e6d695377ca70008ffc39695c3975b3e177b6
drm/i915: disable sampler indirect state in bindless heap

By default the indirect state sampler data (border colors) are stored
in the same heap as the SAMPLER_STATE structure. For userspace drivers
that can be 2 different heaps (dynamic state heap & bindless sampler
state heap). This means that border colors have to copied in 2
different places so that the same SAMPLER_STATE structure find the
right data.

This change is forcing the indirect state sampler data to only be in
the dynamic state pool (more convenient for userspace drivers, they
only have to have one copy of the border colors). This is reproducing
the behavior of the Windows drivers.

BSpec: 46052

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Haridhar Kalvala <haridhar.kalvala@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230407093237.3296286-1-lionel.g.landwerlin@intel.com
drivers/gpu/drm/i915/gt/intel_gt_regs.h
drivers/gpu/drm/i915/gt/intel_workarounds.c