On 5/16/2014 5:43 AM, Rodrigo Vivi wrote:
Let's be more conservative and protect platforms that don't support PSR from unecessary interactions.Signed-off-by: Rodrigo Vivi <rodrigo.v...@gmail.com> --- drivers/gpu/drm/i915/intel_dp.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 34e8f7a..58537b7 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1739,11 +1739,6 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp) dev_priv->psr.source_ok = false; - if (!HAS_PSR(dev)) { - DRM_DEBUG_KMS("PSR not supported on this platform\n"); - return false; - } - if ((intel_encoder->type != INTEL_OUTPUT_EDP) || (dig_port->port != PORT_A)) { DRM_DEBUG_KMS("HSW ties PSR to DDI A (eDP)\n"); @@ -1816,6 +1811,11 @@ void intel_edp_psr_enable(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp_to_dev(intel_dp); + if (!HAS_PSR(dev)) { + DRM_DEBUG_KMS("PSR not supported on this platform\n"); + return; + } + if (intel_edp_psr_match_conditions(intel_dp) && !intel_edp_is_psr_enabled(dev)) intel_edp_psr_do_enable(intel_dp); @@ -1843,6 +1843,9 @@ void intel_edp_psr_update(struct drm_device *dev) struct intel_encoder *encoder; struct intel_dp *intel_dp = NULL; + if (!HAS_PSR(dev)) + return; + list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) if (encoder->type == INTEL_OUTPUT_EDP) { intel_dp = enc_to_intel_dp(&encoder->base);
Reviewed-by: Vijay Purushothaman <vijay.a.purushotha...@intel.com> _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
