On Fri, 2017-01-06 at 22:21 +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.

v2: (Rodrigo)

• Move the check to intel_psr_match_conditions

Cc: Rodrigo Vivi rodrigo.vivi@intel.com Cc: Jim Bride jim.bride@linux.intel.com Signed-off-by: Vathsala Nagaraju vathsala.nagaraju@intel.com Signed-off-by: Patil Deepti deepti.patil@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 05efd4e..1729128 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -433,6 +433,15 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp) return false; }

• /*

• * 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;
  

return false;

• }
• dev_priv->psr.source_ok = true; return true;

}