drm/vc4: hdmi: Change CSC callback prototype

In order to support the YUV output, we'll need the atomic state to know
what is the state of the associated property in the CSC setup callback.

Let's change the prototype of that callback to allow us to access it.

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220120151625.594595-11-maxime@cerno.tech

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 3a3c820..e3121eb 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -735,6 +735,7 @@ static void vc4_hdmi_encoder_disable(struct drm_encoder *encoder)
 }
 
 static void vc4_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi,
+                              struct drm_connector_state *state,
                               const struct drm_display_mode *mode)
 {
        unsigned long flags;
@@ -821,6 +822,7 @@ static void vc5_hdmi_set_csc_coeffs(struct vc4_hdmi *vc4_hdmi,
 }
 
 static void vc5_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi,
+                              struct drm_connector_state *state,
                               const struct drm_display_mode *mode)
 {
        unsigned long flags;
@@ -1143,13 +1145,16 @@ static void vc4_hdmi_encoder_pre_crtc_enable(struct drm_encoder *encoder,
                                             struct drm_atomic_state *state)
 {
        struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
+       struct drm_connector *connector = &vc4_hdmi->connector;
        struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
+       struct drm_connector_state *conn_state =
+               drm_atomic_get_new_connector_state(state, connector);
        unsigned long flags;
 
        mutex_lock(&vc4_hdmi->mutex);
 
        if (vc4_hdmi->variant->csc_setup)
-               vc4_hdmi->variant->csc_setup(vc4_hdmi, mode);
+               vc4_hdmi->variant->csc_setup(vc4_hdmi, conn_state, mode);
 
        spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
        HDMI_WRITE(HDMI_FIFO_CTL, VC4_HDMI_FIFO_CTL_MASTER_SLAVE_N);

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
index 4a55369..2b6aaaf 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -77,6 +77,7 @@ struct vc4_hdmi_variant {
 
        /* Callback to enable / disable the CSC */
        void (*csc_setup)(struct vc4_hdmi *vc4_hdmi,
+                         struct drm_connector_state *state,
                          const struct drm_display_mode *mode);
 
        /* Callback to configure the video timings in the HDMI block */