On Mon, Jan 02, 2017 at 05:01:01PM +0530, vathsala nagaraju wrote:
> Psr2 is enabled only for y cordinate panels.Once GTC (global time code)
> is implemented,this restriction is removed so that psr2
> can work on panels without y cordinate support.
>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Jim Bride <jim.bride at linux.intel.com>
> Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju at intel.com>
> Signed-off-by: Patil Deepti <deepti.patil at intel.com>
> ---
> drivers/gpu/drm/i915/intel_psr.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_psr.c
> b/drivers/gpu/drm/i915/intel_psr.c
> index 19cd4d7..ca3ef3e 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -495,6 +495,15 @@ void intel_psr_enable(struct intel_dp *intel_dp)
I believe the better place for this code is on the match_conditions function...
> return;
> }
>
> + /*
> + * FIXME:enable psr2 only for y-cordinate psr2 panels
> + * After gtc implementation , remove this restriction.
> + */
> + if (!dev_priv->psr.y_cord_support && dev_priv->psr.psr2_support) {
> + DRM_DEBUG_KMS("PSR2 disabled, panel does not support Y
> coordinate\n");
> + return;
> + }
> +
> mutex_lock(&dev_priv->psr.lock);
> if (dev_priv->psr.enabled) {
> DRM_DEBUG_KMS("PSR already in use\n");
> --
> 1.9.1
>
