Re: [PATCH 1/4] drm/amdgpu: remove nonsense in_interrupt() checks

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Just a gentle ping.

Emily can I get an rb for this or at least a tested-by?

Thanks,
Christian.

Am 25.10.18 um 11:39 schrieb Deng, Emily:
Add Wentao.

Best wishes
Emily Deng



-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
Christian König
Sent: Thursday, October 25, 2018 5:15 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Subject: [PATCH 1/4] drm/amdgpu: remove nonsense in_interrupt() checks

might_sleep() is supposed to raise if warning if called in interrupt or atomic
context.

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index f2f358aa0597..8f50bc245dd6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -162,9 +162,7 @@ uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device
*adev, uint32_t reg)
	if (r < 1 && (adev->in_gpu_reset || in_interrupt()))
		goto failed_kiq_read;

-	if (in_interrupt())
-		might_sleep();
-
+	might_sleep();
	while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
		msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
		r = amdgpu_fence_wait_polling(ring, seq,
MAX_KIQ_REG_WAIT); @@ -210,9 +208,7 @@ void
amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
	if (r < 1 && (adev->in_gpu_reset || in_interrupt()))
		goto failed_kiq_write;

-	if (in_interrupt())
-		might_sleep();
-
+	might_sleep();
	while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {

		msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
--
2.14.1

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