diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-19 15:47:23 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-11-19 20:05:01 +0000 |
| commit | ba446f746096f65e9ba80f80184441e708fba934 (patch) | |
| tree | bb90bb9d9f7064c8c17db7fb1c214b57db58b607 /drivers/gpu/drm/i915/gt/intel_rc6.c | |
| parent | f4ba0707c825d60f1d0f5ce7bd3d875e68f3e204 (diff) | |
drm/i915/selftests: Exercise rc6 w/a handling
Reading from CTX_INFO upsets rc6, requiring us to detect and prevent
possible rc6 context corruption. Poke at the bear!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Tested-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191119154723.3311814-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_rc6.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_rc6.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c index 977a617a196d..7a0bc6dde009 100644 --- a/drivers/gpu/drm/i915/gt/intel_rc6.c +++ b/drivers/gpu/drm/i915/gt/intel_rc6.c @@ -783,3 +783,7 @@ u64 intel_rc6_residency_us(struct intel_rc6 *rc6, i915_reg_t reg) { return DIV_ROUND_UP_ULL(intel_rc6_residency_ns(rc6, reg), 1000); } + +#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) +#include "selftest_rc6.c" +#endif |