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@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);
This should be sizeof(*new_state). I'll fix it up when applying if there's no other comments
Maxime