linux-kernel - [PATCH 24/83] drm/radeon/cik: Call kfd isr function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1405029027-6085-23-git-send-email-oded.gabbay@amd.com>
Date:	Fri, 11 Jul 2014 00:50:24 +0300
From:	Oded Gabbay <oded.gabbay@...il.com>
To:	David Airlie <airlied@...ux.ie>,
	Alex Deucher <alexander.deucher@....com>,
	Jerome Glisse <j.glisse@...il.com>
Cc:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	John Bridgman <John.Bridgman@....com>,
	Andrew Lewycky <Andrew.Lewycky@....com>,
	Joerg Roedel <joro@...tes.org>,
	Oded Gabbay <oded.gabbay@....com>,
	Christian König <christian.koenig@....com>
Subject: [PATCH 24/83] drm/radeon/cik: Call kfd isr function

When radeon handles interrupts for cik, propogate this interrupt to kfd.

Signed-off-by: Oded Gabbay <oded.gabbay@....com>
---
 drivers/gpu/drm/radeon/cik.c        | 4 ++++
 drivers/gpu/drm/radeon/radeon_kfd.c | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 803d0cb..6f4999a 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -140,6 +140,7 @@ static void cik_enable_gui_idle_interrupt(struct radeon_device *rdev,
 					  bool enable);
 extern void radeon_kfd_suspend(struct radeon_device *rdev);
 extern int radeon_kfd_resume(struct radeon_device *rdev);
+extern void radeon_kfd_interrupt(struct radeon_device *rdev, const void *ih_ring_entry);
 
 /* get temperature in millidegrees */
 int ci_get_temp(struct radeon_device *rdev)
@@ -7703,6 +7704,9 @@ restart_ih:
 	while (rptr != wptr) {
 		/* wptr/rptr are in bytes! */
 		ring_index = rptr / 4;
+
+		radeon_kfd_interrupt(rdev, (const void *) &rdev->ih.ring[ring_index]);
+
 		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
 		ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c
index e3af85b..f4cc3c5 100644
--- a/drivers/gpu/drm/radeon/radeon_kfd.c
+++ b/drivers/gpu/drm/radeon/radeon_kfd.c
@@ -124,6 +124,12 @@ void radeon_kfd_device_fini(struct radeon_device *rdev)
 	}
 }
 
+void radeon_kfd_interrupt(struct radeon_device *rdev, const void *ih_ring_entry)
+{
+	if (rdev->kfd)
+		kgd2kfd->interrupt(rdev->kfd, ih_ring_entry);
+}
+
 void radeon_kfd_suspend(struct radeon_device *rdev)
 {
 	if (rdev->kfd)
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/