Depending whether PSR1 or PSR2 was configured, we print a warning if the corresponding control mmio indicated PSR was erroneously enabled. As Chris pointed out, it makes more sense to check for both the mmio's since we expect neither PSR1 nor PSR2 to be enabled when psr_activate() is called.
v2: Read PSR2 control register only on supported platforms (Rodrigo) Cc: Rodrigo Vivi <[email protected]> Cc: Chris Wilson <[email protected]> Signed-off-by: Dhinakaran Pandiyan <[email protected]> --- drivers/gpu/drm/i915/intel_psr.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 7aa324f0d1f7..f27193310480 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -576,10 +576,9 @@ static void intel_psr_activate(struct intel_dp *intel_dp) struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - if (dev_priv->psr.psr2_enabled) + if (INTEL_GEN(dev_priv) >= 9) WARN_ON(I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE); - else - WARN_ON(I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE); + WARN_ON(I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE); WARN_ON(dev_priv->psr.active); lockdep_assert_held(&dev_priv->psr.lock); -- 2.14.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
