linux-kernel - [PATCH v1 2/3] drm/rockchip: inno_hdmi: Switch encoder hooks to atomic

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Message-ID: <eef4e548-0b5f-4ae5-725e-1cf706322a14@gmail.com>
Date:   Sun, 26 Nov 2023 11:56:37 +0100
From:   Johan Jonker <jbx6244@...il.com>
To:     hjc@...k-chips.com, heiko@...ech.de
Cc:     airlied@...il.com, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        mripard@...nel.org
Subject: [PATCH v1 2/3] drm/rockchip: inno_hdmi: Switch encoder hooks to
 atomic

The inno_hdmi encoder still uses the non atomic variants
of enable and disable. Convert to their atomic equivalents.
In atomic mode there is no need to save the adjusted mode,
so remove the mode_set function.

Signed-off-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Johan Jonker <jbx6244@...il.com>
---

Changed V1:
  Combined patches
  Include drm_atomic.h
---
 drivers/gpu/drm/rockchip/inno_hdmi.c | 46 ++++++++++++++--------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index cc48cbf85f31..535cca30c256 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -5,6 +5,13 @@
  *    Yakir Yang <ykk@...k-chips.com>
  */

+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_of.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+
 #include <linux/irq.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
@@ -16,12 +23,6 @@
 #include <linux/mutex.h>
 #include <linux/platform_device.h>

-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_of.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
-
 #include "rockchip_drm_drv.h"
 #include "rockchip_drm_vop.h"

@@ -62,7 +63,6 @@ struct inno_hdmi {
 	unsigned int tmds_rate;

 	struct hdmi_data_info	hdmi_data;
-	struct drm_display_mode previous_mode;
 };

 static struct inno_hdmi *encoder_to_inno_hdmi(struct drm_encoder *encoder)
@@ -491,26 +491,27 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi,
 	return 0;
 }

-static void inno_hdmi_encoder_mode_set(struct drm_encoder *encoder,
-				       struct drm_display_mode *mode,
-				       struct drm_display_mode *adj_mode)
+static void inno_hdmi_encoder_enable(struct drm_encoder *encoder,
+				     struct drm_atomic_state *state)
 {
 	struct inno_hdmi *hdmi = encoder_to_inno_hdmi(encoder);
+	struct drm_connector_state *conn_state;
+	struct drm_crtc_state *crtc_state;

-	inno_hdmi_setup(hdmi, adj_mode);
+	conn_state = drm_atomic_get_new_connector_state(state, &hdmi->connector);
+	if (WARN_ON(!conn_state))
+		return;

-	/* Store the display mode for plugin/DPMS poweron events */
-	drm_mode_copy(&hdmi->previous_mode, adj_mode);
-}
-
-static void inno_hdmi_encoder_enable(struct drm_encoder *encoder)
-{
-	struct inno_hdmi *hdmi = encoder_to_inno_hdmi(encoder);
+	crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);
+	if (WARN_ON(!crtc_state))
+		return;

+	inno_hdmi_setup(hdmi, &crtc_state->adjusted_mode);
 	inno_hdmi_set_pwr_mode(hdmi, NORMAL);
 }

-static void inno_hdmi_encoder_disable(struct drm_encoder *encoder)
+static void inno_hdmi_encoder_disable(struct drm_encoder *encoder,
+				      struct drm_atomic_state *state)
 {
 	struct inno_hdmi *hdmi = encoder_to_inno_hdmi(encoder);

@@ -531,10 +532,9 @@ inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
 }

 static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = {
-	.enable     = inno_hdmi_encoder_enable,
-	.disable    = inno_hdmi_encoder_disable,
-	.mode_set   = inno_hdmi_encoder_mode_set,
-	.atomic_check = inno_hdmi_encoder_atomic_check,
+	.atomic_check	= inno_hdmi_encoder_atomic_check,
+	.atomic_enable	= inno_hdmi_encoder_enable,
+	.atomic_disable	= inno_hdmi_encoder_disable,
 };

 static enum drm_connector_status
--
2.39.2