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authorRodrigo Vivi <rodrigo.vivi@gmail.com>2013-07-11 18:45:02 -0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-07-18 10:17:36 +0200
commit105b7c11f036f734988990541674a93e54cf4ec1 (patch)
treefef6aef2e19b7ef28941eae178b44f3770ef47d7 /drivers/gpu/drm/i915/intel_dp.c
parent3f51e4713fc57ab0fc225c3f0e67578a53c24a11 (diff)
drm/intel: add enable_psr module option and disable psr by default
v2: prefer seq_puts to seq_printf detected by Paulo Zanoni. v3: PSR is disabled by default. Without userspace ready it will cause regression for kde and xdm users Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Reviewed-by: Shobhit Kumar <shobhit.kumar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3ce1b872935..6a4cdea7627 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1521,6 +1521,12 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
return false;
}
+ if (!i915_enable_psr) {
+ DRM_DEBUG_KMS("PSR disable by flag\n");
+ dev_priv->no_psr_reason = PSR_MODULE_PARAM;
+ return false;
+ }
+
if (!intel_crtc->active || !crtc->fb || !crtc->mode.clock) {
DRM_DEBUG_KMS("crtc not active for PSR\n");
dev_priv->no_psr_reason = PSR_CRTC_NOT_ACTIVE;