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drm/msm: Disable interrupts during init

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Disable the interrupt during the init sequence to avoid having
interrupts fired for errors and other things that we are not
ready to handle while initializing.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Jordan Crouse 2016-11-28 12:28:32 -07:00 committed by Rob Clark
parent 89d777a572
commit 4ac277cd9d
2 changed files with 7 additions and 0 deletions
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4
drivers/gpu/drm/msm/adreno/adreno_device.c
View File

@ -145,12 +145,16 @@ struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
mutex_lock(&dev->struct_mutex);
gpu->funcs->pm_resume(gpu);
mutex_unlock(&dev->struct_mutex);
disable_irq(gpu->irq);
ret = gpu->funcs->hw_init(gpu);
if (ret) {
dev_err(dev->dev, "gpu hw init failed: %d\n", ret);
gpu->funcs->destroy(gpu);
gpu = NULL;
} else {
enable_irq(gpu->irq);
/* give inactive pm a chance to kick in: */
msm_gpu_retire(gpu);
}

3
drivers/gpu/drm/msm/adreno/adreno_gpu.c
View File

@ -129,11 +129,14 @@ void adreno_recover(struct msm_gpu *gpu)
adreno_gpu->memptrs->wptr = 0;
gpu->funcs->pm_resume(gpu);
disable_irq(gpu->irq);
ret = gpu->funcs->hw_init(gpu);
if (ret) {
dev_err(dev->dev, "gpu hw init failed: %d\n", ret);
/* hmm, oh well? */
}
enable_irq(gpu->irq);
}
void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,