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authorDave Airlie <airlied@redhat.com>2008-11-03 09:45:43 +1000
committerDave Airlie <airlied@redhat.com>2008-11-03 09:45:43 +1000
commit4ef8ace9a96bd6bb4040ef5c4c3ea5572d7129e1 (patch)
tree1f72a11c784cf8d8ff39e968143b1a63018213b3
parentbe3dac976e07fbfd727a2d0216ea9ba3247db348 (diff)
radeon: add proc debugging for interrupts/ring
-rw-r--r--linux-core/Makefile.kernel2
-rw-r--r--linux-core/radeon_drv.c2
-rw-r--r--linux-core/radeon_gem_proc.c143
-rw-r--r--shared-core/radeon_drv.h3
-rw-r--r--shared-core/radeon_irq.c1
5 files changed, 150 insertions, 1 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index 392abaf9..98616e4b 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -44,7 +44,7 @@ nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o radeon_gem.o \
radeon_buffer.o radeon_fence.o atom.o radeon_display.o radeon_atombios.o radeon_i2c.o radeon_connectors.o radeon_cs.o \
atombios_crtc.o radeon_encoders.o radeon_fb.o radeon_combios.o radeon_legacy_crtc.o radeon_legacy_encoders.o \
- radeon_cursor.o radeon_pm.o
+ radeon_cursor.o radeon_pm.o radeon_gem_proc.o
sis-objs := sis_drv.o sis_mm.o
ffb-objs := ffb_drv.o ffb_context.o
savage-objs := savage_drv.o savage_bci.o savage_state.o
diff --git a/linux-core/radeon_drv.c b/linux-core/radeon_drv.c
index daa335b9..3bc0c057 100644
--- a/linux-core/radeon_drv.c
+++ b/linux-core/radeon_drv.c
@@ -122,6 +122,8 @@ static struct drm_driver driver = {
.dma_ioctl = radeon_cp_buffers,
.master_create = radeon_master_create,
.master_destroy = radeon_master_destroy,
+ .proc_init = radeon_gem_proc_init,
+ .proc_cleanup = radeon_gem_proc_cleanup,
.fops = {
.owner = THIS_MODULE,
.open = drm_open,
diff --git a/linux-core/radeon_gem_proc.c b/linux-core/radeon_gem_proc.c
new file mode 100644
index 00000000..d3b467b1
--- /dev/null
+++ b/linux-core/radeon_gem_proc.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Keith Packard <keithp@keithp.com>
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "radeon_drm.h"
+#include "radeon_drv.h"
+
+
+static int radeon_ring_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data)
+{
+ struct drm_minor *minor = (struct drm_minor *) data;
+ struct drm_device *dev = minor->dev;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ int len = 0;
+
+ if (offset > DRM_PROC_LIMIT) {
+ *eof = 1;
+ return 0;
+ }
+
+ *start = &buf[offset];
+ *eof = 0;
+ DRM_PROC_PRINT("RADEON_CP_RB_WPTR %08x\n",
+ RADEON_READ(RADEON_CP_RB_WPTR));
+
+ DRM_PROC_PRINT("RADEON_CP_RB_RPTR %08x\n",
+ RADEON_READ(RADEON_CP_RB_RPTR));
+
+
+ if (len > request + offset)
+ return request;
+ *eof = 1;
+ return len - offset;
+}
+
+static int radeon_interrupt_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data)
+{
+ struct drm_minor *minor = (struct drm_minor *) data;
+ struct drm_device *dev = minor->dev;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ int len = 0;
+
+ if (offset > DRM_PROC_LIMIT) {
+ *eof = 1;
+ return 0;
+ }
+
+ *start = &buf[offset];
+ *eof = 0;
+ DRM_PROC_PRINT("Interrupt enable: %08x\n",
+ RADEON_READ(RADEON_GEN_INT_CNTL));
+
+ if (dev_priv->chip_family >= CHIP_RS690) {
+ DRM_PROC_PRINT("DxMODE_INT_MASK: %08x\n",
+ RADEON_READ(R500_DxMODE_INT_MASK));
+ }
+ DRM_PROC_PRINT("Interrupts received: %d\n",
+ atomic_read(&dev_priv->irq_received));
+ DRM_PROC_PRINT("Current sequence: %d\n",
+ READ_BREADCRUMB(dev_priv));
+ DRM_PROC_PRINT("Counter sequence: %d\n",
+ dev_priv->counter);
+
+
+ if (len > request + offset)
+ return request;
+ *eof = 1;
+ return len - offset;
+}
+
+static struct drm_proc_list {
+ /** file name */
+ const char *name;
+ /** proc callback*/
+ int (*f) (char *, char **, off_t, int, int *, void *);
+} radeon_gem_proc_list[] = {
+ {"radeon_gem_interrupt", radeon_interrupt_info},
+ {"radeon_gem_ring", radeon_ring_info},
+};
+
+
+#define RADEON_GEM_PROC_ENTRIES ARRAY_SIZE(radeon_gem_proc_list)
+
+int radeon_gem_proc_init(struct drm_minor *minor)
+{
+ struct proc_dir_entry *ent;
+ int i, j;
+
+ for (i = 0; i < RADEON_GEM_PROC_ENTRIES; i++) {
+ ent = create_proc_entry(radeon_gem_proc_list[i].name,
+ S_IFREG | S_IRUGO, minor->dev_root);
+ if (!ent) {
+ DRM_ERROR("Cannot create /proc/dri/.../%s\n",
+ radeon_gem_proc_list[i].name);
+ for (j = 0; j < i; j++)
+ remove_proc_entry(radeon_gem_proc_list[i].name,
+ minor->dev_root);
+ return -1;
+ }
+ ent->read_proc = radeon_gem_proc_list[i].f;
+ ent->data = minor;
+ }
+ return 0;
+}
+
+void radeon_gem_proc_cleanup(struct drm_minor *minor)
+{
+ int i;
+
+ if (!minor->dev_root)
+ return;
+
+ for (i = 0; i < RADEON_GEM_PROC_ENTRIES; i++)
+ remove_proc_entry(radeon_gem_proc_list[i].name, minor->dev_root);
+}
diff --git a/shared-core/radeon_drv.h b/shared-core/radeon_drv.h
index aa178d4d..8f77c850 100644
--- a/shared-core/radeon_drv.h
+++ b/shared-core/radeon_drv.h
@@ -459,6 +459,7 @@ typedef struct drm_radeon_private {
struct drm_radeon_cs_priv cs;
struct radeon_pm_regs pmregs;
+ atomic_t irq_received;
} drm_radeon_private_t;
typedef struct drm_radeon_buf_priv {
@@ -1718,6 +1719,8 @@ void radeon_gem_update_offsets(struct drm_device *dev, struct drm_master *master
void radeon_init_memory_map(struct drm_device *dev);
void radeon_enable_bm(struct drm_radeon_private *dev_priv);
+extern int radeon_gem_proc_init(struct drm_minor *minor);
+extern void radeon_gem_proc_cleanup(struct drm_minor *minor);
#define MARK_SAFE 1
#define MARK_CHECK_OFFSET 2
#define MARK_CHECK_SCISSOR 3
diff --git a/shared-core/radeon_irq.c b/shared-core/radeon_irq.c
index dcf58e43..311901c0 100644
--- a/shared-core/radeon_irq.c
+++ b/shared-core/radeon_irq.c
@@ -195,6 +195,7 @@ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS)
if (!stat)
return IRQ_NONE;
+ atomic_inc(&dev_priv->irq_received);
stat &= dev_priv->irq_enable_reg;
/* SW interrupt */