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author | Marek Vasut <marex@denx.de> | 2020-10-05 15:42:48 +0200 |
---|---|---|
committer | Lucas Stach <l.stach@pengutronix.de> | 2021-07-21 22:27:09 +0200 |
commit | 1416d0861f74eb85819553b1378a9230504b9e49 (patch) | |
tree | 7e82ac8d7a34840067bc1e01ce84b56d0fa489fa | |
parent | de94e301c2f26f15ba31d7667b48506a56ab532d (diff) | |
download | linux-1416d0861f74eb85819553b1378a9230504b9e49.tar.gz linux-1416d0861f74eb85819553b1378a9230504b9e49.tar.xz |
drm/exynos: Init the DSIM PHY in samsung_dsim_enable()
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 <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Michael Tretter <m.tretter@pengutronix.de>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
To: dri-devel@lists.freedesktop.org
--
NOTE: This depends on https://patchwork.kernel.org/project/dri-devel/list/?series=347439
-rw-r--r-- | drivers/gpu/drm/bridge/samsung-dsim.c | 7 |
1 files changed, 7 insertions, 0 deletions
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) |