From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kieran Bingham Subject: Re: [PATCH v2 06/14] v4l: vsp1: Add pipe index argument to the VSP-DU API Date: Thu, 13 Jul 2017 14:16:03 +0100 Message-ID: <915884a5-e69d-b821-4a53-afa73a03c233@gmail.com> References: <20170626181226.29575-1-laurent.pinchart+renesas@ideasonboard.com> <20170626181226.29575-7-laurent.pinchart+renesas@ideasonboard.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170626181226.29575-7-laurent.pinchart+renesas@ideasonboard.com> Content-Language: en-GB Sender: linux-media-owner@vger.kernel.org To: Laurent Pinchart , dri-devel@lists.freedesktop.org Cc: linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org On 26/06/17 19:12, Laurent Pinchart wrote: > In the H3 ES2.0 SoC the VSP2-DL instance has two connections to DU > channels that need to be configured independently. Extend the VSP-DU API > with a pipeline index to identify which pipeline the caller wants to > operate on. > > Signed-off-by: Laurent Pinchart A bit of comment merge between this and the next patch but it's minor and not worth the effort to change that ... so I'll happily ignore it if you do :) Reviewed-by: Kieran Bingham > --- > drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 12 ++++++------ > drivers/media/platform/vsp1/vsp1_drm.c | 32 ++++++++++++++++++++++---------- > include/media/vsp1.h | 10 ++++++---- > 3 files changed, 34 insertions(+), 20 deletions(-) > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > index f870445ebc8d..d46dce054442 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > @@ -81,22 +81,22 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc) > */ > crtc->group->need_restart = true; > > - vsp1_du_setup_lif(crtc->vsp->vsp, &cfg); > + vsp1_du_setup_lif(crtc->vsp->vsp, 0, &cfg); > } > > void rcar_du_vsp_disable(struct rcar_du_crtc *crtc) > { > - vsp1_du_setup_lif(crtc->vsp->vsp, NULL); > + vsp1_du_setup_lif(crtc->vsp->vsp, 0, NULL); > } > > void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc) > { > - vsp1_du_atomic_begin(crtc->vsp->vsp); > + vsp1_du_atomic_begin(crtc->vsp->vsp, 0); > } > > void rcar_du_vsp_atomic_flush(struct rcar_du_crtc *crtc) > { > - vsp1_du_atomic_flush(crtc->vsp->vsp); > + vsp1_du_atomic_flush(crtc->vsp->vsp, 0); > } > > /* Keep the two tables in sync. */ > @@ -192,7 +192,7 @@ static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane) > } > } > > - vsp1_du_atomic_update(plane->vsp->vsp, plane->index, &cfg); > + vsp1_du_atomic_update(plane->vsp->vsp, 0, plane->index, &cfg); > } > > static int rcar_du_vsp_plane_prepare_fb(struct drm_plane *plane, > @@ -292,7 +292,7 @@ static void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane, > if (plane->state->crtc) > rcar_du_vsp_plane_setup(rplane); > else > - vsp1_du_atomic_update(rplane->vsp->vsp, rplane->index, NULL); > + vsp1_du_atomic_update(rplane->vsp->vsp, 0, rplane->index, NULL); > } > > static const struct drm_plane_helper_funcs rcar_du_vsp_plane_helper_funcs = { > diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c > index c72d021ff820..daaafe7885fa 100644 > --- a/drivers/media/platform/vsp1/vsp1_drm.c > +++ b/drivers/media/platform/vsp1/vsp1_drm.c > @@ -58,21 +58,26 @@ EXPORT_SYMBOL_GPL(vsp1_du_init); > /** > * vsp1_du_setup_lif - Setup the output part of the VSP pipeline > * @dev: the VSP device > + * @pipe_index: the DRM pipeline index > * @cfg: the LIF configuration > * > * Configure the output part of VSP DRM pipeline for the given frame @cfg.width > - * and @cfg.height. This sets up formats on the BRU source pad, the WPF0 sink > - * and source pads, and the LIF sink pad. > + * and @cfg.height. This sets up formats on the blend unit (BRU or BRS) source > + * pad, the WPF sink and source pads, and the LIF sink pad. > * > - * As the media bus code on the BRU source pad is conditioned by the > - * configuration of the BRU sink 0 pad, we also set up the formats on all BRU > + * The @pipe_index argument selects which DRM pipeline to setup. The number of > + * available pipelines depend on the VSP instance. > + * > + * As the media bus code on the blend unit source pad is conditioned by the > + * configuration of its sink 0 pad, we also set up the formats on all blend unit > * sinks, even if the configuration will be overwritten later by > - * vsp1_du_setup_rpf(). This ensures that the BRU configuration is set to a well > - * defined state. > + * vsp1_du_setup_rpf(). This ensures that the blend unit configuration is set to > + * a well defined state. I presume those comment updates for the BRU/ blend-unit configuration are actually for the next patch - but I don't think it matters here - and isn't worth the effort to move the hunks. It all reads OK. > * > * Return 0 on success or a negative error code on failure. > */ > -int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg) > +int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, > + const struct vsp1_du_lif_config *cfg) > { > struct vsp1_device *vsp1 = dev_get_drvdata(dev); > struct vsp1_pipeline *pipe = &vsp1->drm->pipe; > @@ -81,6 +86,9 @@ int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg) > unsigned int i; > int ret; > > + if (pipe_index > 0) > + return -EINVAL; > + > if (!cfg) { > /* > * NULL configuration means the CRTC is being disabled, stop > @@ -232,8 +240,9 @@ EXPORT_SYMBOL_GPL(vsp1_du_setup_lif); > /** > * vsp1_du_atomic_begin - Prepare for an atomic update > * @dev: the VSP device > + * @pipe_index: the DRM pipeline index > */ > -void vsp1_du_atomic_begin(struct device *dev) > +void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index) > { > struct vsp1_device *vsp1 = dev_get_drvdata(dev); > struct vsp1_pipeline *pipe = &vsp1->drm->pipe; > @@ -245,6 +254,7 @@ EXPORT_SYMBOL_GPL(vsp1_du_atomic_begin); > /** > * vsp1_du_atomic_update - Setup one RPF input of the VSP pipeline > * @dev: the VSP device > + * @pipe_index: the DRM pipeline index > * @rpf_index: index of the RPF to setup (0-based) > * @cfg: the RPF configuration > * > @@ -271,7 +281,8 @@ EXPORT_SYMBOL_GPL(vsp1_du_atomic_begin); > * > * Return 0 on success or a negative error code on failure. > */ > -int vsp1_du_atomic_update(struct device *dev, unsigned int rpf_index, > +int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index, > + unsigned int rpf_index, > const struct vsp1_du_atomic_config *cfg) > { > struct vsp1_device *vsp1 = dev_get_drvdata(dev); > @@ -437,8 +448,9 @@ static unsigned int rpf_zpos(struct vsp1_device *vsp1, struct vsp1_rwpf *rpf) > /** > * vsp1_du_atomic_flush - Commit an atomic update > * @dev: the VSP device > + * @pipe_index: the DRM pipeline index > */ > -void vsp1_du_atomic_flush(struct device *dev) > +void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index) > { > struct vsp1_device *vsp1 = dev_get_drvdata(dev); > struct vsp1_pipeline *pipe = &vsp1->drm->pipe; > diff --git a/include/media/vsp1.h b/include/media/vsp1.h > index c837383b2013..c8fc868fb0f2 100644 > --- a/include/media/vsp1.h > +++ b/include/media/vsp1.h > @@ -38,7 +38,8 @@ struct vsp1_du_lif_config { > void *callback_data; > }; > > -int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg); > +int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, > + const struct vsp1_du_lif_config *cfg); > > struct vsp1_du_atomic_config { > u32 pixelformat; > @@ -50,10 +51,11 @@ struct vsp1_du_atomic_config { > unsigned int zpos; > }; > > -void vsp1_du_atomic_begin(struct device *dev); > -int vsp1_du_atomic_update(struct device *dev, unsigned int rpf, > +void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index); > +int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index, > + unsigned int rpf, > const struct vsp1_du_atomic_config *cfg); > -void vsp1_du_atomic_flush(struct device *dev); > +void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index); > int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt); > void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt); > >