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 <jcro...@codeaurora.org>
---
drivers/gpu/drm/msm/adreno/adreno_device.c | 4 ++++
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 3 +++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c
b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 5127b75..3321d33 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -148,12 +148,16 @@ 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);
}
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 3f8c730..644be52 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -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,
--
1.9.1
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