On Wed, Mar 06, 2013 at 08:03:12PM -0300, Paulo Zanoni wrote:
> From: Paulo Zanoni <paulo.r.zanoni at intel.com>
>
> This solves some "unclaimed register" messages when there's a GPU hang
> on Haswell.
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> ---
> drivers/gpu/drm/i915/intel_display.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 9a9f6d7..789a95a 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -9336,9 +9336,15 @@ intel_display_capture_error_state(struct drm_device *dev)
> for_each_pipe(i) {
> cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, i);
>
> - error->cursor[i].control = I915_READ(CURCNTR(i));
> - error->cursor[i].position = I915_READ(CURPOS(i));
> - error->cursor[i].base = I915_READ(CURBASE(i));
> + if (INTEL_INFO(dev)->gen <= 6) {
> + error->cursor[i].control = I915_READ(CURCNTR(i));
> + error->cursor[i].position = I915_READ(CURPOS(i));
> + error->cursor[i].base = I915_READ(CURBASE(i));
> + } else {
> + error->cursor[i].control = I915_READ(CURCNTR_IVB(i));
> + error->cursor[i].position = I915_READ(CURPOS_IVB(i));
> + error->cursor[i].base = I915_READ(CURBASE_IVB(i));
> + }
Needs a VLV check.
>
> error->plane[i].control = I915_READ(DSPCNTR(i));
> error->plane[i].stride = I915_READ(DSPSTRIDE(i));
> --
> 1.7.10.4
>
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--
Ville Syrj?l?
Intel OTC
