Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
On Fri, Dec 09, 2016 at 11:42:09PM +0530, vathsala nagaraju wrote:
> For PSR2 , as per spec, PSR2_CTL bit 31 to be set.
> for psr1, bit 31 in SRD_CTL to be set. Reporting
> "HW Enabled & Active bit" status for psr2 from SRD_CTL
> gives wrong status.
>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Jim Bride <jim.bride@xxxxxxxxxxxxxxx>
> Signed-off-by: vathsala nagaraju <vathsala.nagaraju@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_debugfs.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index a746130..54e196d 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2567,9 +2567,12 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
> seq_printf(m, "Re-enable work scheduled: %s\n",
> yesno(work_busy(&dev_priv->psr.work.work)));
>
> - if (HAS_DDI(dev_priv))
> - enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE;
> - else {
> + if (HAS_DDI(dev_priv)) {
> + if (dev_priv->psr.psr2_support)
> + enabled = I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE;
> + else
> + enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE;
> + } else {
> for_each_pipe(dev_priv, pipe) {
> enum transcoder cpu_transcoder =
> intel_pipe_to_cpu_transcoder(dev_priv, pipe);
> --
> 1.9.1
>
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