From: José Roberto de Souza <jose.so...@intel.com> Now that is allowed to have PSR enabled in any port from BDW+, lets guard intel_psr_init_dpcd() against multiple eDP panels and warn about it.
For now we will keep just one instance of PSR. Cc: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com> Cc: Rodrigo Vivi <rodrigo.v...@intel.com> Signed-off-by: José Roberto de Souza <jose.so...@intel.com> Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com> --- drivers/gpu/drm/i915/display/intel_psr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 0172b82858d9..cf07ab3d9280 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -249,6 +249,11 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = to_i915(dp_to_dig_port(intel_dp)->base.base.dev); + if (dev_priv->psr.dp) { + DRM_WARN("More than one eDP panel found, PSR support should be extend\n"); + return; + } + drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd, sizeof(intel_dp->psr_dpcd)); @@ -271,7 +276,6 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) dev_priv->psr.sink_sync_latency = intel_dp_get_sink_sync_latency(intel_dp); - WARN_ON(dev_priv->psr.dp); dev_priv->psr.dp = intel_dp; if (INTEL_GEN(dev_priv) >= 9 && -- 2.23.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx