Messages in this thread Patch in this message | | | From | Maciej Purski <> | Subject | [PATCH v3 3/9] drm/exynos: enable out_bridge in exynos_dsi_enable() | Date | Tue, 19 Jun 2018 10:19:24 +0200 |
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As the out bridge will not be enabled directly by the framework, it should be enabled by DSI. Exynos_dsi_enable() should handle a case, when there is an out_bridge connected as a DSI peripheral.
Signed-off-by: Maciej Purski <m.purski@samsung.com> --- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 34 +++++++++++++++++++++------------ 1 file changed, 22 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index c0408c0..8aa7ace 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1386,25 +1386,33 @@ static void exynos_dsi_enable(struct drm_encoder *encoder) dsi->state |= DSIM_STATE_ENABLED; - ret = drm_panel_prepare(dsi->panel); - if (ret < 0) { - dsi->state &= ~DSIM_STATE_ENABLED; - pm_runtime_put_sync(dsi->dev); - return; + if (dsi->panel) { + ret = drm_panel_prepare(dsi->panel); + if (ret < 0) { + dsi->state &= ~DSIM_STATE_ENABLED; + return; + } } + if (dsi->out_bridge) + drm_bridge_pre_enable(dsi->out_bridge); + exynos_dsi_set_display_mode(dsi); exynos_dsi_set_display_enable(dsi, true); - ret = drm_panel_enable(dsi->panel); - if (ret < 0) { - dsi->state &= ~DSIM_STATE_ENABLED; - exynos_dsi_set_display_enable(dsi, false); - drm_panel_unprepare(dsi->panel); - pm_runtime_put_sync(dsi->dev); - return; + if (dsi->panel) { + ret = drm_panel_enable(dsi->panel); + if (ret < 0) { + dsi->state &= ~DSIM_STATE_ENABLED; + exynos_dsi_set_display_enable(dsi, false); + drm_panel_unprepare(dsi->panel); + return; + } } + if (dsi->out_bridge) + drm_bridge_enable(dsi->out_bridge); + dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE; } @@ -1418,8 +1426,10 @@ static void exynos_dsi_disable(struct drm_encoder *encoder) dsi->state &= ~DSIM_STATE_VIDOUT_AVAILABLE; drm_panel_disable(dsi->panel); + drm_bridge_disable(dsi->out_bridge); exynos_dsi_set_display_enable(dsi, false); drm_panel_unprepare(dsi->panel); + drm_bridge_post_disable(dsi->out_bridge); dsi->state &= ~DSIM_STATE_ENABLED; -- 2.7.4
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