linux-kernel - [PATCH 06/20] drm/panel/sony-nt35521: Move to using mipi_dsi_*

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Message-Id: <20250213-mipi_cocci_multi-v1-6-67d94ff319cc@redhat.com>
Date: Thu, 13 Feb 2025 15:44:23 -0500
From: Anusha Srivatsa <asrivats@...hat.com>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Joel Selvaraj <jo@...amily.in>, Ondrej Jirman <megi@....cz>, 
 Javier Martinez Canillas <javierm@...hat.com>, 
 Jianhua Lu <lujianhua000@...il.com>, Robert Chiras <robert.chiras@....com>, 
 Artur Weber <aweber.kernel@...il.com>, Jonathan Corbet <corbet@....net>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-doc@...r.kernel.org, Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 06/20] drm/panel/sony-nt35521: Move to using
 mipi_dsi_*_multi() variants

Stop using deprecated API.
Used Coccinelle to make the change.

@rule_3@
identifier dsi_var;
identifier r;
identifier func;
type t;
position p;
expression dsi_device;
expression list es;
@@
t func(...) {
...
struct mipi_dsi_device *dsi_var = dsi_device;
+struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi_var };
<+...
(
-mipi_dsi_dcs_write_seq(dsi_var,es);
+mipi_dsi_dcs_write_seq_multi(&dsi_ctx,es);
|
-r = mipi_dsi_dcs_exit_sleep_mode(dsi_var)@p;
+mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
|
-r = mipi_dsi_dcs_enter_sleep_mode(dsi_var)@p;
+mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
|
-r = mipi_dsi_dcs_set_display_off(dsi_var)@p;
+mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
|
.....//rest of the mipi APIs with _multi variant
)
<+...
-if(r < 0) {
-...
-}
...+>
}

Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
 drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c b/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c
index 104b2290560e366cd514617f04233e4940d7bb03..37ed8f2d7796af84f99593022d93a58f743f98af 100644
--- a/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c
+++ b/drivers/gpu/drm/panel/panel-sony-tulip-truly-nt35521.c
@@ -385,12 +385,10 @@ static const struct drm_panel_funcs truly_nt35521_panel_funcs = {
 static int truly_nt35521_bl_update_status(struct backlight_device *bl)
 {
 	struct mipi_dsi_device *dsi = bl_get_data(bl);
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 	u16 brightness = backlight_get_brightness(bl);
-	int ret;
 
-	ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness);
-	if (ret < 0)
-		return ret;
+	mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, brightness);
 
 	return 0;
 }

-- 
2.47.0