| Message ID | 20210208233119.391103-3-bigeasy@linutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm: Replace in_interrupt() usage. | expand |
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 3b7c6c31fce1f..7b6791d699e27 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -113,7 +113,7 @@ static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev, /* Delegate it to a different ring if the hardware hasn't * already done it. */ - if (in_interrupt()) { + if (entry->ih == &adev->irq.ih) { amdgpu_irq_delegate(adev, entry, 8); return 1; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index aedef9017c4c2..266296be7302d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -486,7 +486,7 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, /* Delegate it to a different ring if the hardware hasn't * already done it. */ - if (in_interrupt()) { + if (entry->ih == &adev->irq.ih) { amdgpu_irq_delegate(adev, entry, 8); return 1; }
The usage of in_interrupt() in gmc_v*_process_interrupt() is intended to use a different code path if invoked from the interrupt handler vs invoked from the workqueue. The usage of in_interrupt() in drivers is phased out and Linus clearly requested that code which changes behaviour depending on context should either be separated or the context be conveyed in an argument passed by the caller, which usually knows the context. gmc_v*_process_interrupt() is invoked via the ->process() callback from amdgpu_ih_process() which in turn is invoked either from amdgpu_irq_handler() (the interrupt handler) or from amdgpu_irq_handle_*() which is a workqueue. amdgpu_irq::ih is always processed from the interrupt handler, the other three struct amdgpu_ih_ring members are processed from a workqueue. Replace the in_interrupt() check with a comparison against adev->irq.ih. A similar check is already done to check if the ih pointer is from ih_soft. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 2 +- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)