From: Dave Stevenson <dave.stevenson@raspberrypi.com> To: Maxime Ripard <maxime@cerno.tech> Cc: David Airlie <airlied@linux.ie>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, DRI Development <dri-devel@lists.freedesktop.org>, Eric Anholt <eric@anholt.net>, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Thomas Zimmermann <tzimmermann@suse.de>, Daniel Vetter <daniel.vetter@intel.com>, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v5 5/9] drm/vc4: hdmi: Create a custom connector state Date: Wed, 9 Dec 2020 15:22:13 +0000 [thread overview] Message-ID: <CAPY8ntD9+qKKyY_E4cKriQ9G_Ud7JoXjk0rO=UAKu_4Q+Vfy0w@mail.gmail.com> (raw) In-Reply-To: <20201207155719.17149-6-maxime@cerno.tech> Hi Maxime On Mon, 7 Dec 2020 at 15:57, Maxime Ripard <maxime@cerno.tech> wrote: > > When run with a higher bpc than 8, the clock of the HDMI controller needs > to be adjusted. Let's create a connector state that will be used at > atomic_check and atomic_enable to compute and store the clock rate > associated to the state. > > Acked-by: Thomas Zimmermann <tzimmermann@suse.de> > Signed-off-by: Maxime Ripard <maxime@cerno.tech> Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> > --- > drivers/gpu/drm/vc4/vc4_hdmi.c | 27 +++++++++++++++++++++++++-- > drivers/gpu/drm/vc4/vc4_hdmi.h | 10 ++++++++++ > 2 files changed, 35 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c > index 61039cc89d9d..744396c8dcb9 100644 > --- a/drivers/gpu/drm/vc4/vc4_hdmi.c > +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c > @@ -170,18 +170,41 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector) > > static void vc4_hdmi_connector_reset(struct drm_connector *connector) > { > - drm_atomic_helper_connector_reset(connector); > + struct vc4_hdmi_connector_state *conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL); > + > + if (connector->state) > + __drm_atomic_helper_connector_destroy_state(connector->state); > + > + kfree(connector->state); > + > + __drm_atomic_helper_connector_reset(connector, &conn_state->base); > > if (connector->state) > drm_atomic_helper_connector_tv_reset(connector); > } > > +static struct drm_connector_state * > +vc4_hdmi_connector_duplicate_state(struct drm_connector *connector) > +{ > + struct drm_connector_state *conn_state = connector->state; > + struct vc4_hdmi_connector_state *vc4_state = conn_state_to_vc4_hdmi_conn_state(conn_state); > + struct vc4_hdmi_connector_state *new_state; > + > + new_state = kzalloc(sizeof(*new_state), GFP_KERNEL); > + if (!new_state) > + return NULL; > + > + __drm_atomic_helper_connector_duplicate_state(connector, &new_state->base); > + > + return &new_state->base; > +} > + > static const struct drm_connector_funcs vc4_hdmi_connector_funcs = { > .detect = vc4_hdmi_connector_detect, > .fill_modes = drm_helper_probe_single_connector_modes, > .destroy = vc4_hdmi_connector_destroy, > .reset = vc4_hdmi_connector_reset, > - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, > + .atomic_duplicate_state = vc4_hdmi_connector_duplicate_state, > .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, > }; > > diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h > index 0526a9cf608a..2cf5362052e2 100644 > --- a/drivers/gpu/drm/vc4/vc4_hdmi.h > +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h > @@ -180,6 +180,16 @@ encoder_to_vc4_hdmi(struct drm_encoder *encoder) > return container_of(_encoder, struct vc4_hdmi, encoder); > } > > +struct vc4_hdmi_connector_state { > + struct drm_connector_state base; > +}; > + > +static inline struct vc4_hdmi_connector_state * > +conn_state_to_vc4_hdmi_conn_state(struct drm_connector_state *conn_state) > +{ > + return container_of(conn_state, struct vc4_hdmi_connector_state, base); > +} > + > void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi, > struct drm_display_mode *mode); > void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi); > -- > 2.28.0 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Dave Stevenson <dave.stevenson@raspberrypi.com> To: Maxime Ripard <maxime@cerno.tech> Cc: David Airlie <airlied@linux.ie>, DRI Development <dri-devel@lists.freedesktop.org>, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Thomas Zimmermann <tzimmermann@suse.de>, Daniel Vetter <daniel.vetter@intel.com>, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v5 5/9] drm/vc4: hdmi: Create a custom connector state Date: Wed, 9 Dec 2020 15:22:13 +0000 [thread overview] Message-ID: <CAPY8ntD9+qKKyY_E4cKriQ9G_Ud7JoXjk0rO=UAKu_4Q+Vfy0w@mail.gmail.com> (raw) In-Reply-To: <20201207155719.17149-6-maxime@cerno.tech> Hi Maxime On Mon, 7 Dec 2020 at 15:57, Maxime Ripard <maxime@cerno.tech> wrote: > > When run with a higher bpc than 8, the clock of the HDMI controller needs > to be adjusted. Let's create a connector state that will be used at > atomic_check and atomic_enable to compute and store the clock rate > associated to the state. > > Acked-by: Thomas Zimmermann <tzimmermann@suse.de> > Signed-off-by: Maxime Ripard <maxime@cerno.tech> Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> > --- > drivers/gpu/drm/vc4/vc4_hdmi.c | 27 +++++++++++++++++++++++++-- > drivers/gpu/drm/vc4/vc4_hdmi.h | 10 ++++++++++ > 2 files changed, 35 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c > index 61039cc89d9d..744396c8dcb9 100644 > --- a/drivers/gpu/drm/vc4/vc4_hdmi.c > +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c > @@ -170,18 +170,41 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector) > > static void vc4_hdmi_connector_reset(struct drm_connector *connector) > { > - drm_atomic_helper_connector_reset(connector); > + struct vc4_hdmi_connector_state *conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL); > + > + if (connector->state) > + __drm_atomic_helper_connector_destroy_state(connector->state); > + > + kfree(connector->state); > + > + __drm_atomic_helper_connector_reset(connector, &conn_state->base); > > if (connector->state) > drm_atomic_helper_connector_tv_reset(connector); > } > > +static struct drm_connector_state * > +vc4_hdmi_connector_duplicate_state(struct drm_connector *connector) > +{ > + struct drm_connector_state *conn_state = connector->state; > + struct vc4_hdmi_connector_state *vc4_state = conn_state_to_vc4_hdmi_conn_state(conn_state); > + struct vc4_hdmi_connector_state *new_state; > + > + new_state = kzalloc(sizeof(*new_state), GFP_KERNEL); > + if (!new_state) > + return NULL; > + > + __drm_atomic_helper_connector_duplicate_state(connector, &new_state->base); > + > + return &new_state->base; > +} > + > static const struct drm_connector_funcs vc4_hdmi_connector_funcs = { > .detect = vc4_hdmi_connector_detect, > .fill_modes = drm_helper_probe_single_connector_modes, > .destroy = vc4_hdmi_connector_destroy, > .reset = vc4_hdmi_connector_reset, > - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, > + .atomic_duplicate_state = vc4_hdmi_connector_duplicate_state, > .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, > }; > > diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h > index 0526a9cf608a..2cf5362052e2 100644 > --- a/drivers/gpu/drm/vc4/vc4_hdmi.h > +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h > @@ -180,6 +180,16 @@ encoder_to_vc4_hdmi(struct drm_encoder *encoder) > return container_of(_encoder, struct vc4_hdmi, encoder); > } > > +struct vc4_hdmi_connector_state { > + struct drm_connector_state base; > +}; > + > +static inline struct vc4_hdmi_connector_state * > +conn_state_to_vc4_hdmi_conn_state(struct drm_connector_state *conn_state) > +{ > + return container_of(conn_state, struct vc4_hdmi_connector_state, base); > +} > + > void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi, > struct drm_display_mode *mode); > void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi); > -- > 2.28.0 > _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-12-09 15:23 UTC|newest] Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-07 15:57 [PATCH v5 0/9] drm/vc4: hdmi: Support the 10/12 bit output Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-07 15:57 ` [PATCH v5 1/9] drm/vc4: hvs: Align the HVS atomic hooks to the new API Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-07 15:57 ` [PATCH v5 2/9] drm/vc4: Pass the atomic state to encoder hooks Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-08 7:53 ` Thomas Zimmermann 2020-12-08 7:53 ` Thomas Zimmermann 2020-12-07 15:57 ` [PATCH v5 3/9] drm/vc4: hdmi: Take into account the clock doubling flag in atomic_check Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-08 7:54 ` Thomas Zimmermann 2020-12-08 7:54 ` Thomas Zimmermann 2020-12-09 15:29 ` Dave Stevenson 2020-12-09 15:29 ` Dave Stevenson 2020-12-07 15:57 ` [PATCH v5 4/9] drm/vc4: hdmi: Don't access the connector state in reset if kmalloc fails Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-09 15:20 ` Dave Stevenson 2020-12-09 15:20 ` Dave Stevenson 2020-12-07 15:57 ` [PATCH v5 5/9] drm/vc4: hdmi: Create a custom connector state Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-09 15:22 ` Dave Stevenson [this message] 2020-12-09 15:22 ` Dave Stevenson 2020-12-07 15:57 ` [PATCH v5 6/9] drm/vc4: hdmi: Store pixel frequency in the " Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-08 7:55 ` Thomas Zimmermann 2020-12-08 7:55 ` Thomas Zimmermann 2020-12-09 15:32 ` Dave Stevenson 2020-12-09 15:32 ` Dave Stevenson 2020-12-07 15:57 ` [PATCH v5 7/9] drm/vc4: hdmi: Use the connector state pixel rate for the PHY Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-09 15:23 ` Dave Stevenson 2020-12-09 15:23 ` Dave Stevenson 2020-12-07 15:57 ` [PATCH v5 8/9] drm/vc4: hdmi: Limit the BCM2711 to the max without scrambling Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-09 15:23 ` Dave Stevenson 2020-12-09 15:23 ` Dave Stevenson 2020-12-07 15:57 ` [PATCH v5 9/9] drm/vc4: hdmi: Enable 10/12 bpc output Maxime Ripard 2020-12-07 15:57 ` Maxime Ripard 2020-12-09 15:27 ` Dave Stevenson 2020-12-09 15:27 ` Dave Stevenson 2020-12-10 14:21 ` Maxime Ripard 2020-12-10 14:21 ` Maxime Ripard
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