On 06/06/2019 10:57, Chris Wilson wrote:
> Quoting Tvrtko Ursulin (2019-06-06 10:36:27)
>> From: Tvrtko Ursulin <[email protected]>
>>
>> Continuing the conversion and elimination of implicit dev_priv.
>>
>> Signed-off-by: Tvrtko Ursulin <[email protected]>
>> Suggested-by: Rodrigo Vivi <[email protected]>
>> ---
>> drivers/gpu/drm/i915/gt/intel_engine_cs.c | 2 +-
>> drivers/gpu/drm/i915/i915_drv.c | 2 +-
>> drivers/gpu/drm/i915/i915_gem_gtt.c | 34 ++++++++++++-----------
>> drivers/gpu/drm/i915/i915_gem_gtt.h | 2 +-
>> 4 files changed, 21 insertions(+), 19 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
>> b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
>> index 0e9b74f52503..3554d0dd7b1a 100644
>> --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
>> +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
>> @@ -453,7 +453,7 @@ int intel_engines_init_mmio(struct drm_i915_private
>> *i915)
>>
>> RUNTIME_INFO(i915)->num_engines = hweight32(mask);
>>
>> - i915_check_and_clear_faults(i915);
>> + i915_check_and_clear_faults(&i915->uncore);
>
> I am not sold on that. Especially as it is then unwrapped back to i915.
It isn't really, not on the logical level. This is the body:
void i915_check_and_clear_faults(struct intel_uncore *uncore)
{
struct drm_i915_private *i915 = uncore_to_i915(uncore);
/* From GEN8 onwards we only have one 'All Engine Fault Register' */
if (INTEL_GEN(i915) >= 8)
gen8_check_faults(uncore);
else if (INTEL_GEN(i915) >= 6)
gen6_check_faults(uncore);
else
return;
uncore_clear_error_registers(uncore, ALL_ENGINES);
}
So the idea being i915 is used only for "what gen am I checkes",
while the actual functionality operates on uncore.
Regards,
Tvrtko
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