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drm/panel: sharp-ls043t1le01: 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: 9e15123eca79 ("drm/msm/dsi: Stop unconditionally powering up DSI hosts at modeset")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260323-panel-fix-v1-1-9f12b09161e8@oss.qualcomm.com

authored by

Dmitry Baryshkov and committed by
Neil Armstrong c222177d a00e773b

+1
+1
drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
··· 201 201 202 202 drm_panel_init(&sharp_nt->base, &sharp_nt->dsi->dev, 203 203 &sharp_nt_panel_funcs, DRM_MODE_CONNECTOR_DSI); 204 + sharp_nt->base.prepare_prev_first = true; 204 205 205 206 ret = drm_panel_of_backlight(&sharp_nt->base); 206 207 if (ret)