On Thu, Aug 07, 2014 at 01:23:20PM +0100, Thomas Daniel wrote:
> From: Oscar Mateo <oscar.mateo@xxxxxxxxx>
>
> v2: Warn and return if LRCs are not enabled.
>
> v3: Grab the Execlists spinlock (noticed by Daniel Vetter).
>
> Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
>
> v4: Lock the struct mutex for atomic state capture
>
> Signed-off-by: Thomas Daniel <thomas.daniel@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_debugfs.c | 80 +++++++++++++++++++++++++++++++++++
> drivers/gpu/drm/i915/intel_lrc.c | 6 ---
> drivers/gpu/drm/i915/intel_lrc.h | 7 +++
> 3 files changed, 87 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index fc39610..f8f0e11 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -1674,6 +1674,85 @@ static int i915_context_status(struct seq_file *m, void *unused)
> return 0;
> }
>
> +static int i915_execlists(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 drm_i915_private *dev_priv = dev->dev_private;
> + struct intel_engine_cs *ring;
> + u32 status_pointer;
> + u8 read_pointer;
> + u8 write_pointer;
> + u32 status;
> + u32 ctx_id;
> + struct list_head *cursor;
> + int ring_id, i;
> + int ret;
> +
> + if (!i915.enable_execlists) {
> + seq_printf(m, "Logical Ring Contexts are disabled\n");
> + return 0;
> + }
checkpatch.pl will tell you seq_puts() should be used here I guess.
Reviewed-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
--
Damien
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