[PATCH v7 5/9] drm/vc4: hdmi: Create a custom connector state
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
Signed-off-by: Maxime Ripard
---
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 920895deb2e7..d22a0dbd0ce2 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(*new_state), GFP_KERNEL);
if (connector->state)
- drm_atomic_helper_connector_tv_reset(connector);
+ __drm_atomic_helper_connector_destroy_state(connector->state);
+
+ kfree(old_state);
+ __drm_atomic_helper_connector_reset(connector, &new_state->base);
+
+ if (!new_state)
+ return;
+
+ 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);
--
2.29.2
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Re: [PATCH v7 5/9] drm/vc4: hdmi: Create a custom connector state
Hi Dave, On Tue, Dec 15, 2020 at 04:25:46PM +, Dave Stevenson wrote: > Hi Maxime > > On Tue, 15 Dec 2020 at 15:42, Maxime Ripard 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 > > Signed-off-by: Maxime Ripard > > I'm happy again > Reviewed-by: Dave Stevenson Thanks! Does that apply to patch 9 as well? Maxime signature.asc Description: PGP signature ___ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
Re: [PATCH v7 5/9] drm/vc4: hdmi: Create a custom connector state
Hi Maxime
On Tue, 15 Dec 2020 at 15:42, Maxime Ripard 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
> Signed-off-by: Maxime Ripard
I'm happy again
Reviewed-by: Dave Stevenson
> ---
> 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 920895deb2e7..d22a0dbd0ce2 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(*new_state), GFP_KERNEL);
>
> if (connector->state)
> - drm_atomic_helper_connector_tv_reset(connector);
> + __drm_atomic_helper_connector_destroy_state(connector->state);
> +
> + kfree(old_state);
> + __drm_atomic_helper_connector_reset(connector, &new_state->base);
> +
> + if (!new_state)
> + return;
> +
> + 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);
> --
> 2.29.2
>
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