| Message ID | 1411069396-28051-1-git-send-email-gustavo@padovan.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Sep 18, 2014 at 04:43:12PM -0300, Gustavo Padovan wrote: > From: Gustavo Padovan <gustavo.padovan@collabora.co.uk> > > Fold intel_pipe_set_base() in the update primary plane path merging > pieces of code that are common to both paths. > > Basically the the pin/unpin procedures are the same for both paths > and some checks can also be shared (some of the were moved to the > check() stage) > > v2: take Ville's comments: > - remove unnecessary plane check > - move mutex lock to inside the conditional > - make the pin fail message a debug one > - add a fixme for the fastboot hack > - call intel_frontbuffer_flip() after FBC update > > v3: take more Ville's comments: > - fold update code under if (intel_crtc->active), and do the > visible/!visible split inside. > - check ret inside the same conditional we assign it > > v4: don't use intel_enable_primary_hw_plane(), the primary_enabled > check inside will break page flips > > Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> > Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> > --- > drivers/gpu/drm/i915/intel_display.c | 141 +++++++++++++++++++++-------------- > 1 file changed, 84 insertions(+), 57 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index 5b05ddb..1fd9b70 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -11792,12 +11792,23 @@ intel_check_primary_plane(struct drm_plane *plane, > struct drm_rect *dest = &state->dst; > struct drm_rect *src = &state->src; > const struct drm_rect *clip = &state->clip; > + int ret; > > - return drm_plane_helper_check_update(plane, crtc, fb, > + ret = drm_plane_helper_check_update(plane, crtc, fb, > src, dest, clip, > DRM_PLANE_HELPER_NO_SCALING, > DRM_PLANE_HELPER_NO_SCALING, > false, true, &state->visible); > + if (ret) > + return ret; > + > + /* no fb bound */ > + if (state->visible && !fb) { > + DRM_ERROR("No FB bound\n"); > + return -EINVAL; > + } > + > + return 0; > } > > static int > @@ -11809,6 +11820,8 @@ intel_commit_primary_plane(struct drm_plane *plane, > struct drm_device *dev = crtc->dev; > struct drm_i915_private *dev_priv = dev->dev_private; > struct intel_crtc *intel_crtc = to_intel_crtc(crtc); > + enum pipe pipe = intel_crtc->pipe; > + struct drm_framebuffer *old_fb = plane->fb; > struct drm_i915_gem_object *obj = intel_fb_obj(fb); > struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); > struct intel_plane *intel_plane = to_intel_plane(plane); > @@ -11817,67 +11830,28 @@ intel_commit_primary_plane(struct drm_plane *plane, > > intel_crtc_wait_for_pending_flips(crtc); > > - /* > - * If clipping results in a non-visible primary plane, we'll disable > - * the primary plane. Note that this is a bit different than what > - * happens if userspace explicitly disables the plane by passing fb=0 > - * because plane->fb still gets set and pinned. > - */ > - if (!state->visible) { > - mutex_lock(&dev->struct_mutex); > - > - /* > - * Try to pin the new fb first so that we can bail out if we > - * fail. > - */ > - if (plane->fb != fb) { > - ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); > - if (ret) { > - mutex_unlock(&dev->struct_mutex); > - return ret; > - } > - } > - > - i915_gem_track_fb(old_obj, obj, > - INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe)); > - > - if (intel_crtc->primary_enabled) > - intel_disable_primary_hw_plane(plane, crtc); > - > - > - if (plane->fb != fb) > - if (plane->fb) > - intel_unpin_fb_obj(old_obj); > + if (intel_crtc_has_pending_flip(crtc)) { > + DRM_ERROR("pipe is still busy with an old pageflip\n"); > + return -EBUSY; > + } > > + if (plane->fb != fb) { > + mutex_lock(&dev->struct_mutex); > + ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); > + if (ret == 0) > + i915_gem_track_fb(old_obj, obj, > + INTEL_FRONTBUFFER_PRIMARY(pipe)); > mutex_unlock(&dev->struct_mutex); > - > - } else { > - if (intel_crtc && intel_crtc->active && > - intel_crtc->primary_enabled) { > - /* > - * FBC does not work on some platforms for rotated > - * planes, so disable it when rotation is not 0 and > - * update it when rotation is set back to 0. > - * > - * FIXME: This is redundant with the fbc update done in > - * the primary plane enable function except that that > - * one is done too late. We eventually need to unify > - * this. > - */ > - if (INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && > - dev_priv->fbc.plane == intel_crtc->plane && > - intel_plane->rotation != BIT(DRM_ROTATE_0)) { > - intel_disable_fbc(dev); > - } > - } > - ret = intel_pipe_set_base(crtc, src->x1, src->y1, fb); > - if (ret) > + if (ret != 0) { > + DRM_DEBUG_KMS("pin & fence failed\n"); > return ret; > - > - if (!intel_crtc->primary_enabled) > - intel_enable_primary_hw_plane(plane, crtc); > + } > } > > + crtc->primary->fb = fb; > + crtc->x = src->x1; > + crtc->y = src->y1; > + > intel_plane->crtc_x = state->orig_dst.x1; > intel_plane->crtc_y = state->orig_dst.y1; > intel_plane->crtc_w = drm_rect_width(&state->orig_dst); > @@ -11888,6 +11862,59 @@ intel_commit_primary_plane(struct drm_plane *plane, > intel_plane->src_h = drm_rect_height(&state->orig_src); > intel_plane->obj = obj; > > + if (intel_crtc->active) { > + /* > + * FBC does not work on some platforms for rotated > + * planes, so disable it when rotation is not 0 and > + * update it when rotation is set back to 0. > + * > + * FIXME: This is redundant with the fbc update done in > + * the primary plane enable function except that that > + * one is done too late. We eventually need to unify > + * this. > + */ > + if (intel_crtc->primary_enabled && > + INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && > + dev_priv->fbc.plane == intel_crtc->plane && > + intel_plane->rotation != BIT(DRM_ROTATE_0)) { > + intel_disable_fbc(dev); > + } > + > + if (state->visible) { > + /* FIXME: kill this fastboot hack */ > + intel_update_pipe_size(intel_crtc); > + Need to set primary_enabled=true here. > + dev_priv->display.update_primary_plane(crtc, plane->fb, > + crtc->x, crtc->y); And you need to duplicate the BDW wait_for_vblank hack from intel_enable_primary_hw_plane() here. But that wait should only be done if the plane was previosuly disabled. > + } else { > + /* > + * If clipping results in a non-visible primary plane, > + * we'll disable the primary plane. Note that this is > + * a bit different than what happens if userspace > + * explicitly disables the plane by passing fb=0 > + * because plane->fb still gets set and pinned. > + */ > + intel_disable_primary_hw_plane(plane, crtc); > + } > + > + intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); > + > + mutex_lock(&dev->struct_mutex); > + intel_update_fbc(dev); > + mutex_unlock(&dev->struct_mutex); > + } > + > + if (old_fb) { Still could unify the old_fb!=fb checks with this one. if (old_fb && old_fb != fb) { > + if (intel_crtc->active && old_fb != fb) > + intel_wait_for_vblank(dev, intel_crtc->pipe); > + > + if (old_fb != fb) { > + mutex_lock(&dev->struct_mutex); > + intel_unpin_fb_obj(old_obj); > + mutex_unlock(&dev->struct_mutex); > + } > + } > + > return 0; > } > > -- > 1.9.3 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5b05ddb..1fd9b70 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11792,12 +11792,23 @@ intel_check_primary_plane(struct drm_plane *plane, struct drm_rect *dest = &state->dst; struct drm_rect *src = &state->src; const struct drm_rect *clip = &state->clip; + int ret; - return drm_plane_helper_check_update(plane, crtc, fb, + ret = drm_plane_helper_check_update(plane, crtc, fb, src, dest, clip, DRM_PLANE_HELPER_NO_SCALING, DRM_PLANE_HELPER_NO_SCALING, false, true, &state->visible); + if (ret) + return ret; + + /* no fb bound */ + if (state->visible && !fb) { + DRM_ERROR("No FB bound\n"); + return -EINVAL; + } + + return 0; } static int @@ -11809,6 +11820,8 @@ intel_commit_primary_plane(struct drm_plane *plane, struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + enum pipe pipe = intel_crtc->pipe; + struct drm_framebuffer *old_fb = plane->fb; struct drm_i915_gem_object *obj = intel_fb_obj(fb); struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); struct intel_plane *intel_plane = to_intel_plane(plane); @@ -11817,67 +11830,28 @@ intel_commit_primary_plane(struct drm_plane *plane, intel_crtc_wait_for_pending_flips(crtc); - /* - * If clipping results in a non-visible primary plane, we'll disable - * the primary plane. Note that this is a bit different than what - * happens if userspace explicitly disables the plane by passing fb=0 - * because plane->fb still gets set and pinned. - */ - if (!state->visible) { - mutex_lock(&dev->struct_mutex); - - /* - * Try to pin the new fb first so that we can bail out if we - * fail. - */ - if (plane->fb != fb) { - ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); - if (ret) { - mutex_unlock(&dev->struct_mutex); - return ret; - } - } - - i915_gem_track_fb(old_obj, obj, - INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe)); - - if (intel_crtc->primary_enabled) - intel_disable_primary_hw_plane(plane, crtc); - - - if (plane->fb != fb) - if (plane->fb) - intel_unpin_fb_obj(old_obj); + if (intel_crtc_has_pending_flip(crtc)) { + DRM_ERROR("pipe is still busy with an old pageflip\n"); + return -EBUSY; + } + if (plane->fb != fb) { + mutex_lock(&dev->struct_mutex); + ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); + if (ret == 0) + i915_gem_track_fb(old_obj, obj, + INTEL_FRONTBUFFER_PRIMARY(pipe)); mutex_unlock(&dev->struct_mutex); - - } else { - if (intel_crtc && intel_crtc->active && - intel_crtc->primary_enabled) { - /* - * FBC does not work on some platforms for rotated - * planes, so disable it when rotation is not 0 and - * update it when rotation is set back to 0. - * - * FIXME: This is redundant with the fbc update done in - * the primary plane enable function except that that - * one is done too late. We eventually need to unify - * this. - */ - if (INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && - dev_priv->fbc.plane == intel_crtc->plane && - intel_plane->rotation != BIT(DRM_ROTATE_0)) { - intel_disable_fbc(dev); - } - } - ret = intel_pipe_set_base(crtc, src->x1, src->y1, fb); - if (ret) + if (ret != 0) { + DRM_DEBUG_KMS("pin & fence failed\n"); return ret; - - if (!intel_crtc->primary_enabled) - intel_enable_primary_hw_plane(plane, crtc); + } } + crtc->primary->fb = fb; + crtc->x = src->x1; + crtc->y = src->y1; + intel_plane->crtc_x = state->orig_dst.x1; intel_plane->crtc_y = state->orig_dst.y1; intel_plane->crtc_w = drm_rect_width(&state->orig_dst); @@ -11888,6 +11862,59 @@ intel_commit_primary_plane(struct drm_plane *plane, intel_plane->src_h = drm_rect_height(&state->orig_src); intel_plane->obj = obj; + if (intel_crtc->active) { + /* + * FBC does not work on some platforms for rotated + * planes, so disable it when rotation is not 0 and + * update it when rotation is set back to 0. + * + * FIXME: This is redundant with the fbc update done in + * the primary plane enable function except that that + * one is done too late. We eventually need to unify + * this. + */ + if (intel_crtc->primary_enabled && + INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && + dev_priv->fbc.plane == intel_crtc->plane && + intel_plane->rotation != BIT(DRM_ROTATE_0)) { + intel_disable_fbc(dev); + } + + if (state->visible) { + /* FIXME: kill this fastboot hack */ + intel_update_pipe_size(intel_crtc); + + dev_priv->display.update_primary_plane(crtc, plane->fb, + crtc->x, crtc->y); + } else { + /* + * If clipping results in a non-visible primary plane, + * we'll disable the primary plane. Note that this is + * a bit different than what happens if userspace + * explicitly disables the plane by passing fb=0 + * because plane->fb still gets set and pinned. + */ + intel_disable_primary_hw_plane(plane, crtc); + } + + intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); + + mutex_lock(&dev->struct_mutex); + intel_update_fbc(dev); + mutex_unlock(&dev->struct_mutex); + } + + if (old_fb) { + if (intel_crtc->active && old_fb != fb) + intel_wait_for_vblank(dev, intel_crtc->pipe); + + if (old_fb != fb) { + mutex_lock(&dev->struct_mutex); + intel_unpin_fb_obj(old_obj); + mutex_unlock(&dev->struct_mutex); + } + } + return 0; }