On Thu, Apr 04, 2013 at 04:04:02PM -0400, Egbert Eich wrote: > From: Egbert Eich <eich at suse.de> > > The connector associated with the encoder is considered active when the > output associtated with this connector is active on the encoder. The > encoder itself is considered active when either there is an active > output on it or the respective SDVO channel is active. > Having active outputs when the SDVO channel is inactive seems to be > inconsistent: such states can be found when intel_modeset_setup_hw_state() > collects the hardware state set by the BIOS. > This inconsistency will be fixed in intel_sanitize_crtc() > (when intel_crtc_update_dpms() is called), this however only happens > when the encoder is associated with a crtc. > > This patch also reverts: > > commit bd6946e87a98fea11907b2a47368e13044458a35 > Author: Daniel Vetter <daniel.vetter at ffwll.ch> > Date: Tue Apr 2 21:30:34 2013 +0200 > > drm/i915: Fix sdvo connector get_hw_state function > > Signed-off-by: Egbert Eich <eich at suse.de> > Suggested-By: Daniel Vetter <daniel.vetter at ffwll.ch> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=63031 Queued for -next with cc: stable tag added, thanks for the patch. -Daniel > --- > drivers/gpu/drm/i915/intel_sdvo.c | 9 +++------ > 1 files changed, 3 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c > index 298dc85..f6a9f4a 100644 > --- a/drivers/gpu/drm/i915/intel_sdvo.c > +++ b/drivers/gpu/drm/i915/intel_sdvo.c > @@ -1231,12 +1231,8 @@ static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector) > struct intel_sdvo_connector *intel_sdvo_connector = > to_intel_sdvo_connector(&connector->base); > struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base); > - struct drm_i915_private *dev_priv = intel_sdvo->base.base.dev->dev_private; > u16 active_outputs; > > - if (!(I915_READ(intel_sdvo->sdvo_reg) & SDVO_ENABLE)) > - return false; > - > intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs); > > if (active_outputs & intel_sdvo_connector->output_flag) > @@ -1251,11 +1247,13 @@ static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder, > struct drm_device *dev = encoder->base.dev; > struct drm_i915_private *dev_priv = dev->dev_private; > struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base); > + u16 active_outputs; > u32 tmp; > > tmp = I915_READ(intel_sdvo->sdvo_reg); > + intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs); > > - if (!(tmp & SDVO_ENABLE)) > + if (!(tmp & SDVO_ENABLE) && (active_outputs == 0)) > return false; > > if (HAS_PCH_CPT(dev)) > @@ -2746,7 +2744,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) > struct intel_sdvo *intel_sdvo; > u32 hotplug_mask; > int i; > - > intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL); > if (!intel_sdvo) > return false; > -- > 1.7.7 > -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
