From: Maxime Ripard <maxime@cerno.tech> To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Thomas Zimmermann <tzimmermann@suse.de>, Maxime Ripard <maxime@cerno.tech>, Daniel Vetter <daniel.vetter@intel.com>, David Airlie <airlied@linux.ie>, Eric Anholt <eric@anholt.net> Cc: dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Dave Stevenson <dave.stevenson@raspberrypi.com> Subject: [PATCH v6 5/9] drm/vc4: hdmi: Create a custom connector state Date: Thu, 10 Dec 2020 15:23:25 +0100 [thread overview] Message-ID: <20201210142329.10640-6-maxime@cerno.tech> (raw) In-Reply-To: <20201210142329.10640-1-maxime@cerno.tech> 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> Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> --- drivers/gpu/drm/vc4/vc4_hdmi.c | 33 ++++++++++++++++++++++++++++++--- drivers/gpu/drm/vc4/vc4_hdmi.h | 10 ++++++++++ 2 files changed, 40 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 61039cc89d9d..8978df3f0ca4 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -170,10 +170,37 @@ 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 *old_state = + conn_state_to_vc4_hdmi_conn_state(connector->state); + struct vc4_hdmi_connector_state *new_state = + kzalloc(sizeof(*conn_state), GFP_KERNEL); if (connector->state) - drm_atomic_helper_connector_tv_reset(connector); + __drm_atomic_helper_connector_destroy_state(connector->state); + + kfree(old_state); + + if (!new_state) + return; + + __drm_atomic_helper_connector_reset(connector, &new_state->base); + 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 = { @@ -181,7 +208,7 @@ static const struct drm_connector_funcs vc4_hdmi_connector_funcs = { .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: Maxime Ripard <maxime@cerno.tech> To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Thomas Zimmermann <tzimmermann@suse.de>, Maxime Ripard <maxime@cerno.tech>, Daniel Vetter <daniel.vetter@intel.com>, David Airlie <airlied@linux.ie>, Eric Anholt <eric@anholt.net> Cc: dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Dave Stevenson <dave.stevenson@raspberrypi.com> Subject: [PATCH v6 5/9] drm/vc4: hdmi: Create a custom connector state Date: Thu, 10 Dec 2020 15:23:25 +0100 [thread overview] Message-ID: <20201210142329.10640-6-maxime@cerno.tech> (raw) In-Reply-To: <20201210142329.10640-1-maxime@cerno.tech> 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> Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> --- drivers/gpu/drm/vc4/vc4_hdmi.c | 33 ++++++++++++++++++++++++++++++--- drivers/gpu/drm/vc4/vc4_hdmi.h | 10 ++++++++++ 2 files changed, 40 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 61039cc89d9d..8978df3f0ca4 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -170,10 +170,37 @@ 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 *old_state = + conn_state_to_vc4_hdmi_conn_state(connector->state); + struct vc4_hdmi_connector_state *new_state = + kzalloc(sizeof(*conn_state), GFP_KERNEL); if (connector->state) - drm_atomic_helper_connector_tv_reset(connector); + __drm_atomic_helper_connector_destroy_state(connector->state); + + kfree(old_state); + + if (!new_state) + return; + + __drm_atomic_helper_connector_reset(connector, &new_state->base); + 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 = { @@ -181,7 +208,7 @@ static const struct drm_connector_funcs vc4_hdmi_connector_funcs = { .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:[~2020-12-10 14:25 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-10 14:23 [PATCH v6 0/9] drm/vc4: hdmi: Support the 10/12 bit output Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-10 14:23 ` [PATCH v6 1/9] drm/vc4: hvs: Align the HVS atomic hooks to the new API Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-10 14:23 ` [PATCH v6 2/9] drm/vc4: Pass the atomic state to encoder hooks Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-10 14:23 ` [PATCH v6 3/9] drm/vc4: hdmi: Take into account the clock doubling flag in atomic_check Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-10 14:23 ` [PATCH v6 4/9] drm/vc4: hdmi: Don't access the connector state in reset if kmalloc fails Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard [this message] 2020-12-10 14:23 ` [PATCH v6 5/9] drm/vc4: hdmi: Create a custom connector state Maxime Ripard 2020-12-10 14:26 ` Maxime Ripard 2020-12-10 14:26 ` Maxime Ripard 2020-12-15 11:02 ` Dave Stevenson 2020-12-15 11:02 ` Dave Stevenson 2020-12-10 14:23 ` [PATCH v6 6/9] drm/vc4: hdmi: Store pixel frequency in the " Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-10 14:23 ` [PATCH v6 7/9] drm/vc4: hdmi: Use the connector state pixel rate for the PHY Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-10 14:23 ` [PATCH v6 8/9] drm/vc4: hdmi: Limit the BCM2711 to the max without scrambling Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-10 14:23 ` [PATCH v6 9/9] drm/vc4: hdmi: Enable 10/12 bpc output Maxime Ripard 2020-12-10 14:23 ` Maxime Ripard 2020-12-15 11:04 ` Dave Stevenson 2020-12-15 11:04 ` Dave Stevenson
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