On Thu, Dec 10, 2020 at 03:23:25PM +0100, 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 <tzimmermann@xxxxxxx>
> Reviewed-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
> ---
> 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);
This should be sizeof(*new_state). I'll fix it up when applying if there's no other comments
Maxime
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