In case the PHY is not initialized, do it in samsung_dsim_enable(), otherwise the link configuration registers are not programmed at all.
Signed-off-by: Marek Vasut <ma...@denx.de> Cc: Fabio Estevam <feste...@gmail.com> Cc: Guido Günther <a...@sigxcpu.org> Cc: Jaehoon Chung <jh80.ch...@samsung.com> Cc: Lucas Stach <l.st...@pengutronix.de> Cc: Marek Szyprowski <m.szyprow...@samsung.com> Cc: Michael Tretter <m.tret...@pengutronix.de> Cc: NXP Linux Team <linux-...@nxp.com> Cc: Shawn Guo <shawn...@kernel.org> Cc: linux-arm-ker...@lists.infradead.org Cc: linux-samsung-...@vger.kernel.org To: dri-devel@lists.freedesktop.org -- NOTE: This depends on https://patchwork.kernel.org/project/dri-devel/list/?series=347439 --- drivers/gpu/drm/bridge/samsung-dsim.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 6d2d8dc027de..fbd87a74eb9f 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1244,6 +1244,13 @@ static void samsung_dsim_enable(struct samsung_dsim *dsi) pm_runtime_get_sync(dsi->dev); dsi->state |= DSIM_STATE_ENABLED; + if (!(dsi->state & DSIM_STATE_INITIALIZED)) { + ret = samsung_dsim_init(dsi); + if (ret) + return; + dsi->state |= DSIM_STATE_INITIALIZED; + } + if (dsi->panel) { ret = drm_panel_prepare(dsi->panel); if (ret < 0) -- 2.28.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
