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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-07-03 16:52:25 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-07-04 14:42:38 +0100 |
| commit | 21de5a9e34fb0f3efa31df5712cedc0ae97f7b4d (patch) | |
| tree | 9b4d2a327fbd32c74a5455deeecf375a1e91b93e /drivers/gpu/drm/i915/gt/intel_engine.h | |
| parent | 313443b16ac26dd0250462d8513c5b5c0a188e38 (diff) | |
| download | linux-stable-21de5a9e34fb0f3efa31df5712cedc0ae97f7b4d.tar.gz linux-stable-21de5a9e34fb0f3efa31df5712cedc0ae97f7b4d.tar.bz2 linux-stable-21de5a9e34fb0f3efa31df5712cedc0ae97f7b4d.zip | |
drm/i915/gt: Ignore forcewake acquisition for posting_reads
We don't care about the result of the read, so it may be garbage, we
only care that the mmio is flushed. As such, we can forgo using an
individual forcewake and lock around any posting-read for an engine.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190703155225.9501-4-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_engine.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h index 557b08b13feb..0331e9ac2485 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine.h +++ b/drivers/gpu/drm/i915/gt/intel_engine.h @@ -51,7 +51,7 @@ struct drm_printer; #define ENGINE_READ16(...) __ENGINE_READ_OP(read16, __VA_ARGS__) #define ENGINE_READ(...) __ENGINE_READ_OP(read, __VA_ARGS__) #define ENGINE_READ_FW(...) __ENGINE_READ_OP(read_fw, __VA_ARGS__) -#define ENGINE_POSTING_READ(...) __ENGINE_READ_OP(posting_read, __VA_ARGS__) +#define ENGINE_POSTING_READ(...) __ENGINE_READ_OP(posting_read_fw, __VA_ARGS__) #define ENGINE_POSTING_READ16(...) __ENGINE_READ_OP(posting_read16, __VA_ARGS__) #define ENGINE_READ64(engine__, lower_reg__, upper_reg__) \ |