Move away from using deprecated API and use _multi
variants if available. Use mipi_dsi_msleep()
and mipi_dsi_usleep_range() instead of msleep()
and usleep_range() respectively.

Used Coccinelle to find the multiple occurences.
SmPl patch:
@rule@
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)@p;
+mipi_dsi_dcs_write_seq_multi(&dsi_ctx,es);
|
-mipi_dsi_generic_write_seq(dsi_var,es)@p;
+mipi_dsi_generic_write_seq_multi(&dsi_ctx,es);
|
-mipi_dsi_generic_write(dsi_var,es)@p;
+mipi_dsi_generic_write_multi(&dsi_ctx,es);
|
-r = mipi_dsi_dcs_nop(dsi_var)@p;
+mipi_dsi_dcs_nop_multi(&dsi_ctx);
|
....rest of API
..
)
-if(r < 0) {
-...
-}
...+>

Cc: Maxime Ripard <maxime.rip...@bootlin.com>
Cc: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
Cc: Tejas Vipin <tejasvipi...@gmail.com>
Cc: Doug Anderson <diand...@chromium.org>
Signed-off-by: Anusha Srivatsa <asriv...@redhat.com>
---
Previous attempt for this change was addressed in:[1]
The series did not handle returns properly and still
used msleep() and usleep_range() API.
It also collided with an Tejas's similar efforts.

Will be sending the patches per driver instead of
major haul of changes.

Following [2] for reference.

[1] -> https://patchwork.freedesktop.org/series/144824/
[2] -> 
https://lore.kernel.org/dri-devel/20250220045721.145905-1-tejasvipi...@gmail.com/#iZ31drivers:gpu:drm:panel:panel-sony-td4353-jdi.c
---
 drivers/gpu/drm/panel/panel-synaptics-r63353.c | 64 +++++++-------------------
 1 file changed, 17 insertions(+), 47 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-synaptics-r63353.c 
b/drivers/gpu/drm/panel/panel-synaptics-r63353.c
index 
17349825543fe6a117bbfd9cb92a564ce433d13a..9cb1fe985a6fde7a475746019e89bd1dcee898ff
 100644
--- a/drivers/gpu/drm/panel/panel-synaptics-r63353.c
+++ b/drivers/gpu/drm/panel/panel-synaptics-r63353.c
@@ -106,53 +106,32 @@ static int r63353_panel_power_off(struct r63353_panel 
*rpanel)
 static int r63353_panel_activate(struct r63353_panel *rpanel)
 {
        struct mipi_dsi_device *dsi = rpanel->dsi;
-       struct device *dev = &dsi->dev;
-       int i, ret;
+       struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
+       int i;
 
-       ret = mipi_dsi_dcs_soft_reset(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to do Software Reset (%d)\n", ret);
-               goto fail;
-       }
+       mipi_dsi_dcs_soft_reset_multi(&dsi_ctx);
 
-       usleep_range(15000, 17000);
+       mipi_dsi_usleep_range(&dsi_ctx, 15000, 17000);
 
-       ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to enter sleep mode (%d)\n", ret);
-               goto fail;
-       }
+       mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
 
        for (i = 0; i < rpanel->pdata->init_length; i++) {
                const struct r63353_instr *instr = &rpanel->pdata->init[i];
 
-               ret = mipi_dsi_dcs_write_buffer(dsi, instr->data, instr->len);
-               if (ret < 0)
-                       goto fail;
+               mipi_dsi_dcs_write_buffer_multi(&dsi_ctx, instr->data,
+                                               instr->len);
        }
 
-       msleep(120);
+       mipi_dsi_msleep(&dsi_ctx, 120);
 
-       ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to exit sleep mode (%d)\n", ret);
-               goto fail;
-       }
+       mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
 
-       usleep_range(5000, 10000);
+       mipi_dsi_usleep_range(&dsi_ctx, 5000, 10000);
 
-       ret = mipi_dsi_dcs_set_display_on(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to set display ON (%d)\n", ret);
-               goto fail;
-       }
-
-       return 0;
+       mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
 
-fail:
-       gpiod_set_value(rpanel->reset_gpio, 0);
+       return dsi_ctx.accum_err;
 
-       return ret;
 }
 
 static int r63353_panel_prepare(struct drm_panel *panel)
@@ -181,24 +160,15 @@ static int r63353_panel_prepare(struct drm_panel *panel)
 static int r63353_panel_deactivate(struct r63353_panel *rpanel)
 {
        struct mipi_dsi_device *dsi = rpanel->dsi;
-       struct device *dev = &dsi->dev;
-       int ret;
+       struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 
-       ret = mipi_dsi_dcs_set_display_off(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to set display OFF (%d)\n", ret);
-               return ret;
-       }
+       mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
 
-       usleep_range(5000, 10000);
+       mipi_dsi_usleep_range(&dsi_ctx, 5000, 10000);
 
-       ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
-       if (ret < 0) {
-               dev_err(dev, "Failed to enter sleep mode (%d)\n", ret);
-               return ret;
-       }
+       mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
 
-       return 0;
+       return dsi_ctx.accum_err;
 }
 
 static int r63353_panel_unprepare(struct drm_panel *panel)

---
base-commit: ced7486468ac3b38d59a69fca5d97998499c936b
change-id: 20250305-mipi-synaptic-1-a2043543cd3a

Best regards,
-- 
Anusha Srivatsa <asriv...@redhat.com>

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