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From 627d32e67d83a65294cb9da1e7ef796009b0e5d8 Mon Sep 17 00:00:00 2001
From: Leo Liu <leo.liu@amd.com>
Date: Mon, 25 Nov 2013 17:25:41 -0500
Subject: [PATCH 15/44] drm/radeon: add uvd debugfs support
Signed-off-by: Leo Liu <leo.liu@amd.com>
---
drivers/gpu/drm/radeon/radeon.h | 1 +
drivers/gpu/drm/radeon/radeon_uvd.c | 37 +++++++++++++++++++++++++++++++++++
2 files changed, 38 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index a21b1d4..b212569 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1549,6 +1549,7 @@ struct radeon_uvd {
struct drm_file *filp[RADEON_MAX_UVD_HANDLES];
unsigned img_size[RADEON_MAX_UVD_HANDLES];
struct delayed_work idle_work;
+ bool status;
};
int radeon_uvd_init(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 1d029cc..2b502b4 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -53,6 +53,7 @@ MODULE_FIRMWARE(FIRMWARE_TAHITI);
MODULE_FIRMWARE(FIRMWARE_BONAIRE);
static void radeon_uvd_idle_work_handler(struct work_struct *work);
+static int radeon_debugfs_uvd_init(struct radeon_device *rdev);
int radeon_uvd_init(struct radeon_device *rdev)
{
@@ -142,6 +143,10 @@ int radeon_uvd_init(struct radeon_device *rdev)
return r;
}
+ r = radeon_debugfs_uvd_init(rdev);
+ if (r)
+ dev_err(rdev->dev, "(%d) Register debugfs file for uvd failed\n", r);
+
radeon_bo_unreserve(rdev->uvd.vcpu_bo);
for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
@@ -785,6 +790,7 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work)
schedule_delayed_work(&rdev->uvd.idle_work,
msecs_to_jiffies(UVD_IDLE_TIMEOUT_MS));
}
+ rdev->uvd.status = false;
}
void radeon_uvd_note_usage(struct radeon_device *rdev)
@@ -812,6 +818,7 @@ void radeon_uvd_note_usage(struct radeon_device *rdev)
} else {
radeon_set_uvd_clocks(rdev, 53300, 40000);
}
+ rdev->uvd.status = true;
}
}
@@ -951,3 +958,33 @@ int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
return 0;
}
+
+/*
+ * Debugfs info
+ */
+#if defined(CONFIG_DEBUG_FS)
+
+static int radeon_debugfs_uvd_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ seq_printf(m, "UVD Status: %s\n", ((rdev->uvd.status) ? "Busy" : "Idle"));
+
+ return 0;
+}
+
+static struct drm_info_list radeon_uvd_info_list[] = {
+ {"radeon_uvd_info", radeon_debugfs_uvd_info, 0, NULL},
+};
+#endif
+
+static int radeon_debugfs_uvd_init(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+ return radeon_debugfs_add_files(rdev, radeon_uvd_info_list, ARRAY_SIZE(radeon_uvd_info_list));
+#else
+ return 0;
+#endif
+}
--
1.7.9.5
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