On 1/9/26 16:52, Avinal Kumar wrote:
Add mipi_dsi_shutdown_peripheral_multi function and mark
mipi_dsi_shutdown_peripheral fucntion as deprecated.
Signed-off-by: Avinal Kumar <[email protected]>
---
drivers/gpu/drm/drm_mipi_dsi.c | 28 ++++++++++++++++++++++++++++
include/drm/drm_mipi_dsi.h | 1 +
2 files changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index a712e177b350..2fed50172a44 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -587,6 +587,9 @@ EXPORT_SYMBOL(mipi_dsi_create_packet);
* mipi_dsi_shutdown_peripheral() - sends a Shutdown Peripheral command
* @dsi: DSI peripheral device
*
+ * This function is deprecated. Use mipi_dsi_shutdown_peripheral_multi()
+ * instead.
+ *
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi)
@@ -1980,6 +1983,31 @@ void mipi_dsi_dcs_set_tear_scanline_multi(struct
mipi_dsi_multi_context *ctx,
}
EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline_multi);
+/**
+ * mipi_dsi_shutdown_peripheral_multi() - sends a Shutdown Peripheral command
+ * @ctx: Context for multiple DSI transactions
+ *
+ * Like mipi_dsi_shutdown_peripheral() but deals with errors in a way that
+ * makes it convienient to make seeral calls in a row.
+ */
+void mipi_dsi_shutdown_peripheral_multi(struct mipi_dsi_multi_context *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ struct device *dev = &dsi->dev;
+ int ret;
+
+ if (ctx->accum_err)
+ return;
+
+ ret = mipi_dsi_shutdown_peripheral(dsi);
+ if (ret < 0) {
+ ctx->accum_err = ret;
+ dev_err(dev, "Failed to shutdown peripheral: %d\n",
+ ctx->accum_err);
+ }
+}
+EXPORT_SYMBOL(mipi_dsi_shutdown_peripheral_multi);
+
static int mipi_dsi_drv_probe(struct device *dev)
{
struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver);
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 3aba7b380c8d..19ccdf5eeb5f 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -389,6 +389,7 @@ void mipi_dsi_dcs_set_page_address_multi(struct
mipi_dsi_multi_context *ctx,
void mipi_dsi_dcs_set_tear_scanline_multi(struct mipi_dsi_multi_context *ctx,
u16 scanline);
void mipi_dsi_dcs_set_tear_off_multi(struct mipi_dsi_multi_context *ctx);
+void mipi_dsi_shutdown_peripheral_multi(struct mipi_dsi_multi_context *ctx);
/**
* mipi_dsi_generic_write_seq_multi - transmit data using a generic write
packet
Reviewed-by: Neil Armstrong <[email protected]>
Thanks,
Neil
