On Wed, 09 Apr 2014, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Make i915_gem_interrupt debugfs file functional on CHV.
>
> FIXME: Extract helpers for gt/display blocks to shrink the function a
> bit and avoid duplication between bdw/chv (and other similar cases for
> upstream).
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_debugfs.c | 42 ++++++++++++++++++++++++++++++++++++-
> 1 file changed, 41 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 506177a..1efb885 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -638,7 +638,47 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
> return ret;
> intel_runtime_pm_get(dev_priv);
>
> - if (INTEL_INFO(dev)->gen >= 8) {
> + if (IS_CHERRYVIEW(dev)) {
> + int i;
> + seq_printf(m, "Master Interrupt Control:\t%08x\n",
> + I915_READ(GEN8_MASTER_IRQ));
> +
> + seq_printf(m, "Display IER:\t%08x\n",
> + I915_READ(VLV_IER));
> + seq_printf(m, "Display IIR:\t%08x\n",
> + I915_READ(VLV_IIR));
> + seq_printf(m, "Display IIR_RW:\t%08x\n",
> + I915_READ(VLV_IIR_RW));
> + seq_printf(m, "Display IMR:\t%08x\n",
> + I915_READ(VLV_IMR));
> + for_each_pipe(pipe)
> + seq_printf(m, "Pipe %c stat:\t%08x\n",
> + pipe_name(pipe),
> + I915_READ(PIPESTAT(pipe)));
> +
> + seq_printf(m, "Port hotplug:\t%08x\n",
> + I915_READ(PORT_HOTPLUG_EN));
> + seq_printf(m, "DPFLIPSTAT:\t%08x\n",
> + I915_READ(VLV_DPFLIPSTAT));
> + seq_printf(m, "DPINVGTT:\t%08x\n",
> + I915_READ(DPINVGTT));
> +
> + for (i = 0; i < 4; i++) {
> + seq_printf(m, "GT Interrupt IMR %d:\t%08x\n",
> + i, I915_READ(GEN8_GT_IMR(i)));
> + seq_printf(m, "GT Interrupt IIR %d:\t%08x\n",
> + i, I915_READ(GEN8_GT_IIR(i)));
> + seq_printf(m, "GT Interrupt IER %d:\t%08x\n",
> + i, I915_READ(GEN8_GT_IER(i)));
> + }
> +
> + seq_printf(m, "PCU interrupt mask:\t%08x\n",
> + I915_READ(GEN8_PCU_IMR));
> + seq_printf(m, "PCU interrupt identity:\t%08x\n",
> + I915_READ(GEN8_PCU_IIR));
> + seq_printf(m, "PCU interrupt enable:\t%08x\n",
> + I915_READ(GEN8_PCU_IER));
> + } else if (INTEL_INFO(dev)->gen >= 8) {
> seq_printf(m, "Master Interrupt Control:\t%08x\n",
> I915_READ(GEN8_MASTER_IRQ));
>
> --
> 1.8.3.2
>
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--
Jani Nikula, Intel Open Source Technology Center
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