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
v3: (Rodrigo) - add return false
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..fc32b04 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 false; + } + dev_priv->psr.source_ok = true; return true; }