Commit 4a92ef0c authored by Guido Günther's avatar Guido Günther Committed by Douglas Anderson
Browse files

drm/panel: visionox-rm69299: Make use of prepare_prev_first 



The DSI link must be powered up to let panel driver to talk to the panel
during prepare() callback execution. Set the prepare_prev_first flag to
guarantee this.

Fixes: 9e15123e ("drm/msm/dsi: Stop unconditionally powering up DSI hosts at modeset")
Signed-off-by: default avatarGuido Günther <agx@sigxcpu.org>
Signed-off-by: default avatarDavid Heidelberg <david@ixit.cz>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: default avatarDouglas Anderson <dianders@chromium.org>
Signed-off-by: default avatarDouglas Anderson <dianders@chromium.org>
Link: https://patch.msgid.link/20260417-axolotl-display-v2-1-8ce5341e46c2@ixit.cz
parent 6bf7969a

drivers/gpu/drm/panel/panel-visionox-rm69299.c

+2 −0
Original line number Diff line number Diff line
@@ -376,6 +376,8 @@ static int visionox_rm69299_probe(struct mipi_dsi_device *dsi) 
		return PTR_ERR(ctx->reset_gpio);

	}



	ctx->panel.prepare_prev_first = true;



	ctx->panel.backlight = visionox_rm69299_create_backlight(ctx);

	if (IS_ERR(ctx->panel.backlight))

		return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),