[Intel-gfx] [PATCH 3/3] drm/i915/glk: Fix Geminilake scalers mode programming
Ville Syrjälä
ville.syrjala at linux.intel.com
Wed Feb 22 14:53:40 UTC 2017
On Wed, Feb 22, 2017 at 04:44:10PM +0200, Ander Conselvan De Oliveira wrote:
> On Wed, 2017-02-22 at 16:41 +0200, Ville Syrjälä wrote:
> > On Wed, Feb 22, 2017 at 12:29:09PM +0200, Ander Conselvan de Oliveira wrote:
> > > Geminilake scalers can do 7x7 filtering for all supported input sizes,
> > > so it doesn't need the "high quality" mode programming, which was
> > > actually removed from that platform.
> > >
> > > Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
> > > ---
> > > drivers/gpu/drm/i915/intel_atomic.c | 14 ++++++++------
> > > drivers/gpu/drm/i915/intel_display.c | 2 +-
> > > drivers/gpu/drm/i915/intel_drv.h | 6 +++---
> > > 3 files changed, 12 insertions(+), 10 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
> > > index aa9160e..e65818e 100644
> > > --- a/drivers/gpu/drm/i915/intel_atomic.c
> > > +++ b/drivers/gpu/drm/i915/intel_atomic.c
> > > @@ -121,7 +121,7 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
> > >
> > > /**
> > > * intel_atomic_setup_scalers() - setup scalers for crtc per staged requests
> > > - * @dev: DRM device
> > > + * @dev_priv: i915 device
> >
> > This change makes the diff quite messy for what's essentially a
> > addition of two lines of code.
>
> There's no dev_priv in that function. While adding the dev_priv, it just seemed
> like pure laziness not to change the parameter. Didn't seem like a big deal
> since it has only one caller, but I'll split if you insist.
to_i915(dev) still works, so there's no real need for changing the
parameter at this time. I think sneaking in cosmetic changes should only
be done if it's really just a few lines, whereas in this case the
cosmetic change makes up most of the patch leading to a very low
signal to noise ratio.
>
> Ander
>
> >
> > > * @crtc: intel crtc
> > > * @crtc_state: incoming crtc_state to validate and setup scalers
> > > *
> > > @@ -136,9 +136,9 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
> > > * 0 - scalers were setup succesfully
> > > * error code - otherwise
> > > */
> > > -int intel_atomic_setup_scalers(struct drm_device *dev,
> > > - struct intel_crtc *intel_crtc,
> > > - struct intel_crtc_state *crtc_state)
> > > +int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
> > > + struct intel_crtc *intel_crtc,
> > > + struct intel_crtc_state *crtc_state)
> > > {
> > > struct drm_plane *plane = NULL;
> > > struct intel_plane *intel_plane;
> > > @@ -199,7 +199,7 @@ int intel_atomic_setup_scalers(struct drm_device *dev,
> > > */
> > > if (!plane) {
> > > struct drm_plane_state *state;
> > > - plane = drm_plane_from_index(dev, i);
> > > + plane = drm_plane_from_index(&dev_priv->drm, i);
> > > state = drm_atomic_get_plane_state(drm_state, plane);
> > > if (IS_ERR(state)) {
> > > DRM_DEBUG_KMS("Failed to add [PLANE:%d] to drm_state\n",
> > > @@ -247,7 +247,9 @@ int intel_atomic_setup_scalers(struct drm_device *dev,
> > > }
> > >
> > > /* set scaler mode */
> > > - if (num_scalers_need == 1 && intel_crtc->pipe != PIPE_C) {
> > > + if (IS_GEMINILAKE(dev_priv)) {
> > > + scaler_state->scalers[*scaler_id].mode = 0;
> > > + } else if (num_scalers_need == 1 && intel_crtc->pipe != PIPE_C) {
> > > /*
> > > * when only 1 scaler is in use on either pipe A or B,
> > > * scaler 0 operates in high quality (HQ) mode.
> > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > > index 000fb31..65e76d1 100644
> > > --- a/drivers/gpu/drm/i915/intel_display.c
> > > +++ b/drivers/gpu/drm/i915/intel_display.c
> > > @@ -10959,7 +10959,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
> > > ret = skl_update_scaler_crtc(pipe_config);
> > >
> > > if (!ret)
> > > - ret = intel_atomic_setup_scalers(dev, intel_crtc,
> > > + ret = intel_atomic_setup_scalers(dev_priv, intel_crtc,
> > > pipe_config);
> > > }
> > >
> > > diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> > > index 0edc499..d9d96d6 100644
> > > --- a/drivers/gpu/drm/i915/intel_drv.h
> > > +++ b/drivers/gpu/drm/i915/intel_drv.h
> > > @@ -1910,9 +1910,9 @@ intel_atomic_get_existing_plane_state(struct drm_atomic_state *state,
> > > return to_intel_plane_state(plane_state);
> > > }
> > >
> > > -int intel_atomic_setup_scalers(struct drm_device *dev,
> > > - struct intel_crtc *intel_crtc,
> > > - struct intel_crtc_state *crtc_state);
> > > +int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
> > > + struct intel_crtc *intel_crtc,
> > > + struct intel_crtc_state *crtc_state);
> > >
> > > /* intel_atomic_plane.c */
> > > struct intel_plane_state *intel_create_plane_state(struct drm_plane *plane);
> > > --
> > > 2.9.3
> > >
> > > _______________________________________________
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> > > Intel-gfx at lists.freedesktop.org
> > > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> >
> >
--
Ville Syrjälä
Intel OTC
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