diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0442-drm-vc4-hdmi-Simplify-the-connector-state-retrieval.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0442-drm-vc4-hdmi-Simplify-the-connector-state-retrieval.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0442-drm-vc4-hdmi-Simplify-the-connector-state-retrieval.patch b/target/linux/bcm27xx/patches-5.15/950-0442-drm-vc4-hdmi-Simplify-the-connector-state-retrieval.patch new file mode 100644 index 0000000000..b84a607ea0 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0442-drm-vc4-hdmi-Simplify-the-connector-state-retrieval.patch @@ -0,0 +1,51 @@ +From fbd09981ff7ecefd9514325bdbfa2b4df4b4f017 Mon Sep 17 00:00:00 2001 +From: Maxime Ripard <maxime@cerno.tech> +Date: Wed, 27 Oct 2021 14:38:50 +0100 +Subject: [PATCH] drm/vc4: hdmi: Simplify the connector state retrieval + +When we have the entire DRM state, retrieving the connector state only +requires the drm_connector pointer. Fortunately for us, we have +allocated it as a part of the vc4_hdmi structure, so we can retrieve get +a pointer by simply accessing our field in that structure. + +Signed-off-by: Maxime Ripard <maxime@cerno.tech> +--- + drivers/gpu/drm/vc4/vc4_hdmi.c | 21 +++------------------ + 1 file changed, 3 insertions(+), 18 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_hdmi.c ++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c +@@ -1002,30 +1002,15 @@ static void vc4_hdmi_recenter_fifo(struc + "VC4_HDMI_FIFO_CTL_RECENTER_DONE"); + } + +-static struct drm_connector_state * +-vc4_hdmi_encoder_get_connector_state(struct drm_encoder *encoder, +- struct drm_atomic_state *state) +-{ +- struct drm_connector_state *conn_state; +- struct drm_connector *connector; +- unsigned int i; +- +- for_each_new_connector_in_state(state, connector, conn_state, i) { +- if (conn_state->best_encoder == encoder) +- return conn_state; +- } +- +- return NULL; +-} +- + static void vc4_hdmi_encoder_pre_crtc_configure(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_connector_state *conn_state = +- vc4_hdmi_encoder_get_connector_state(encoder, state); ++ drm_atomic_get_new_connector_state(state, connector); + struct vc4_hdmi_connector_state *vc4_conn_state = + conn_state_to_vc4_hdmi_conn_state(conn_state); +- struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); + struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode; + unsigned long pixel_rate = vc4_conn_state->pixel_rate; + unsigned long bvb_rate, hsm_rate; |