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[PATCH 13/23] drm: omapdrm: crtc: update plane fifos on lcd config change

From Sebastian Reichel <sre@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 13/23] drm: omapdrm: crtc: update plane fifos on lcd config change
Date 2016-03-08 18:00 +0100
Message-ID <rat9g-3s9-25@gated-at.bofh.it> (permalink)
References <rat9g-3s9-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Due to a hardware bug, FIFOs thresholds must be
configured very carefully for manually updated
displays.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
---
 drivers/gpu/drm/omapdrm/omap_crtc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index 8967013c1fb5..094e89a2fa94 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -253,6 +253,10 @@ static void omap_crtc_dss_set_lcd_config(struct omap_overlay_manager *mgr,
 	omap_crtc->manually_updated = dss_lcd_mgr_config_get_stallmode(config);
 
 	dispc_mgr_set_lcd_config(omap_crtc->channel, config);
+
+	drm_for_each_plane(plane, dev) {
+		omap_plane_update_fifo(plane);
+	}
 }
 
 static int omap_crtc_dss_register_framedone(
-- 
2.7.0

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[PATCH 13/23] drm: omapdrm: crtc: update plane fifos on lcd config change Sebastian Reichel <sre@kernel.org> - 2016-03-08 18:00 +0100

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