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| author | Matt Roper <matthew.d.roper@intel.com> | 2020-03-06 09:11:39 -0800 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2020-03-09 09:17:12 -0700 |
| commit | dbe748cd3af4a7c264a94e3e7c56a084dbd0164d (patch) | |
| tree | 402bbf58b374f5cd7d2a9ee6743a295b330a2488 /drivers/gpu/drm/i915/i915_request.c | |
| parent | drm/i915: Fix documentation for intel_dpll_get_freq() (diff) | |
| download | linux-dbe748cd3af4a7c264a94e3e7c56a084dbd0164d.tar.gz linux-dbe748cd3af4a7c264a94e3e7c56a084dbd0164d.zip | |
drm/i915/tgl: Don't treat unslice registers as masked
The UNSLICE_UNIT_LEVEL_CLKGATE and UNSLICE_UNIT_LEVEL_CLKGATE2 registers
that we update in a few engine workarounds are not masked registers
(i.e., we don't have to write a mask bit in the top 16 bits when
updating one of the lower 16 bits). As such, these workarounds should
be applied via wa_write_or() rather than wa_masked_en()
v2:
- Rebase
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Reported-by: kernelci.org bot <bot@kernelci.org>
References: https://github.com/ClangBuiltLinux/linux/issues/918
Fixes: 50148a25f841 ("drm/i915/tgl: Move and restrict Wa_1408615072")
Fixes: 3551ff928744 ("drm/i915/gen11: Moving WAs to rcs_engine_wa_init()")
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200306171139.1414649-1-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_request.c')
0 files changed, 0 insertions, 0 deletions