On Mon, Dec 10, 2012 at 12:58:40PM -0800, Jesse Barnes wrote:
> On Fri,  7 Dec 2012 10:43:25 +0000
> Chris Wilson <[email protected]> wrote:
> 
> > Only the intel_crtc->active is accurate at the point where we wish to
> > perform WM computations, so use it instead of crtc->enabled.
> > 
> > Signed-off-by: Chris Wilson <[email protected]>
> > ---
> >  drivers/gpu/drm/i915/intel_pm.c |   14 +++++++-------
> >  1 file changed, 7 insertions(+), 7 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_pm.c 
> > b/drivers/gpu/drm/i915/intel_pm.c
> > index 3eb21fa..07e0a2f 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -405,7 +405,7 @@ void intel_update_fbc(struct drm_device *dev)
> >      *   - going to an unsupported config (interlace, pixel multiply, etc.)
> >      */
> >     list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head) {
> > -           if (tmp_crtc->enabled &&
> > +           if (to_intel_crtc(tmp_crtc)->active &&
> >                 !to_intel_crtc(tmp_crtc)->primary_disabled &&
> >                 tmp_crtc->fb) {
> >                     if (crtc) {
> > @@ -995,7 +995,7 @@ static struct drm_crtc *single_enabled_crtc(struct 
> > drm_device *dev)
> >     struct drm_crtc *crtc, *enabled = NULL;
> >  
> >     list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
> > -           if (crtc->enabled && crtc->fb) {
> > +           if (to_intel_crtc(crtc)->active && crtc->fb) {
> >                     if (enabled)
> >                             return NULL;
> >                     enabled = crtc;
> > @@ -1089,7 +1089,7 @@ static bool g4x_compute_wm0(struct drm_device *dev,
> >     int entries, tlb_miss;
> >  
> >     crtc = intel_get_crtc_for_plane(dev, plane);
> > -   if (crtc->fb == NULL || !crtc->enabled) {
> > +   if (crtc->fb == NULL || !to_intel_crtc(crtc)->active) {
> >             *cursor_wm = cursor->guard_size;
> >             *plane_wm = display->guard_size;
> >             return false;
> > @@ -1218,7 +1218,7 @@ static bool vlv_compute_drain_latency(struct 
> > drm_device *dev,
> >     int entries;
> >  
> >     crtc = intel_get_crtc_for_plane(dev, plane);
> > -   if (crtc->fb == NULL || !crtc->enabled)
> > +   if (crtc->fb == NULL || !to_intel_crtc(crtc)->active)
> >             return false;
> >  
> >     clock = crtc->mode.clock;       /* VESA DOT Clock */
> > @@ -1479,7 +1479,7 @@ static void i9xx_update_wm(struct drm_device *dev)
> >  
> >     fifo_size = dev_priv->display.get_fifo_size(dev, 0);
> >     crtc = intel_get_crtc_for_plane(dev, 0);
> > -   if (crtc->enabled && crtc->fb) {
> > +   if (to_intel_crtc(crtc)->active && crtc->fb) {
> >             int cpp = crtc->fb->bits_per_pixel / 8;
> >             if (IS_GEN2(dev))
> >                     cpp = 4;
> > @@ -1493,7 +1493,7 @@ static void i9xx_update_wm(struct drm_device *dev)
> >  
> >     fifo_size = dev_priv->display.get_fifo_size(dev, 1);
> >     crtc = intel_get_crtc_for_plane(dev, 1);
> > -   if (crtc->enabled && crtc->fb) {
> > +   if (to_intel_crtc(crtc)->active && crtc->fb) {
> >             int cpp = crtc->fb->bits_per_pixel / 8;
> >             if (IS_GEN2(dev))
> >                     cpp = 4;
> > @@ -2047,7 +2047,7 @@ sandybridge_compute_sprite_wm(struct drm_device *dev, 
> > int plane,
> >     int entries, tlb_miss;
> >  
> >     crtc = intel_get_crtc_for_plane(dev, plane);
> > -   if (crtc->fb == NULL || !crtc->enabled) {
> > +   if (crtc->fb == NULL || !to_intel_crtc(crtc)->active) {
> >             *sprite_wm = display->guard_size;
> >             return false;
> >     }
> 
> Our wm code was never very pretty since it didn't fit in very well with
> the modesetting code structure... can we make it cleaner now and remove
> all this duplication?
> 
> Definitely not something for this patch, just an observation.
> 
> Reviewed-by: Jesse Barnes <[email protected]>

Both patches applied to -fixes, thanks.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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