Re: [PATCH 1/3] drm/panel: ebbg-ft8719: Set prepare_prev_first

[Neil Armstrong <neil.armstrong@linaro.org>]

On 9/6/26 15:19, David Heidelberg via B4 Relay wrote:
> From: Casey Connolly <casey.connolly@linaro.org>
> 
> This corrects the host initialisation sequence so that we can send
> DSI/DCS commands in prepare().
> 
> Cc: stable@vger.kernel.org
> Fixes: b00de0e237da ("drm/panel: introduce ebbg,ft8719 panel")
> Signed-off-by: Casey Connolly <casey.connolly@linaro.org>
> Signed-off-by: David Heidelberg <david@ixit.cz>
> ---
>   drivers/gpu/drm/panel/panel-ebbg-ft8719.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
> index fb9f9f42be4f2..1ab09c50a6306 100644
> --- a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
> +++ b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
> @@ -193,16 +193,18 @@ static int ebbg_ft8719_probe(struct mipi_dsi_device *dsi)
>   	ctx->dsi = dsi;
>   	mipi_dsi_set_drvdata(dsi, ctx);
>   
>   	dsi->lanes = 4;
>   	dsi->format = MIPI_DSI_FMT_RGB888;
>   	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
>   			  MIPI_DSI_CLOCK_NON_CONTINUOUS;
>   
> +	ctx->panel.prepare_prev_first = true;
> +
>   	ret = drm_panel_of_backlight(&ctx->panel);
>   	if (ret)
>   		return dev_err_probe(dev, ret, "Failed to get backlight\n");
>   
>   	drm_panel_add(&ctx->panel);
>   
>   	ret = mipi_dsi_attach(dsi);
>   	if (ret < 0) {
> 

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>

Thanks,
Neil