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authorTerje Bergstrom <tbergstrom@nvidia.com>2013-03-22 16:34:04 +0200
committerThierry Reding <thierry.reding@avionic-design.de>2013-04-22 12:32:46 +0200
commit6236451d83a720072053855fa63d51934024a707 (patch)
tree8596f5ceee4e8b38804a74895d698a389e5cf6bf /drivers/gpu/host1x/dev.h
parent6579324a41cc414009a601738b70a53d6376325c (diff)
downloadblackbird-obmc-linux-6236451d83a720072053855fa63d51934024a707.tar.gz
blackbird-obmc-linux-6236451d83a720072053855fa63d51934024a707.zip
gpu: host1x: Add debug support
Add support for host1x debugging. Adds debugfs entries, and dumps channel state to UART in case of stuck job. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/gpu/host1x/dev.h')
-rw-r--r--drivers/gpu/host1x/dev.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/dev.h b/drivers/gpu/host1x/dev.h
index 1a9b4383dc3b..4d16fe92400a 100644
--- a/drivers/gpu/host1x/dev.h
+++ b/drivers/gpu/host1x/dev.h
@@ -31,6 +31,8 @@ struct host1x_channel;
struct host1x_cdma;
struct host1x_job;
struct push_buffer;
+struct output;
+struct dentry;
struct host1x_channel_ops {
int (*init)(struct host1x_channel *channel, struct host1x *host,
@@ -54,6 +56,18 @@ struct host1x_pushbuffer_ops {
void (*init)(struct push_buffer *pb);
};
+struct host1x_debug_ops {
+ void (*debug_init)(struct dentry *de);
+ void (*show_channel_cdma)(struct host1x *host,
+ struct host1x_channel *ch,
+ struct output *o);
+ void (*show_channel_fifo)(struct host1x *host,
+ struct host1x_channel *ch,
+ struct output *o);
+ void (*show_mlocks)(struct host1x *host, struct output *output);
+
+};
+
struct host1x_syncpt_ops {
void (*restore)(struct host1x_syncpt *syncpt);
void (*restore_wait_base)(struct host1x_syncpt *syncpt);
@@ -100,6 +114,7 @@ struct host1x {
const struct host1x_channel_ops *channel_op;
const struct host1x_cdma_ops *cdma_op;
const struct host1x_pushbuffer_ops *cdma_pb_op;
+ const struct host1x_debug_ops *debug_op;
struct host1x_syncpt *nop_sp;
@@ -107,6 +122,8 @@ struct host1x {
struct host1x_channel chlist;
unsigned long allocated_channels;
unsigned int num_allocated_channels;
+
+ struct dentry *debugfs;
};
void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
@@ -257,4 +274,29 @@ static inline void host1x_hw_pushbuffer_init(struct host1x *host,
host->cdma_pb_op->init(pb);
}
+static inline void host1x_hw_debug_init(struct host1x *host, struct dentry *de)
+{
+ if (host->debug_op && host->debug_op->debug_init)
+ host->debug_op->debug_init(de);
+}
+
+static inline void host1x_hw_show_channel_cdma(struct host1x *host,
+ struct host1x_channel *channel,
+ struct output *o)
+{
+ host->debug_op->show_channel_cdma(host, channel, o);
+}
+
+static inline void host1x_hw_show_channel_fifo(struct host1x *host,
+ struct host1x_channel *channel,
+ struct output *o)
+{
+ host->debug_op->show_channel_fifo(host, channel, o);
+}
+
+static inline void host1x_hw_show_mlocks(struct host1x *host, struct output *o)
+{
+ host->debug_op->show_mlocks(host, o);
+}
+
#endif
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