diff mbox

[PATCH/RFC,377/390] drm/rcar-du: Enable the DE signal

Message ID 1364525119-31791-378-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman March 29, 2013, 2:45 a.m. UTC 
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

Output the DE signal on the DISP pin by default and configure it to
cover the whole horizontal active period. When new use cases requiring a
different behaviour of the DISP pin will need to be supported this will
be made configurable.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
(cherry picked from commit 9bba5c36355774c77ac55ae2461235d2ebab8b69)

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/gpu/drm/rcar-du/rcar_du_crtc.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index ca80939..4906a7f 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -80,7 +80,8 @@  static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
 
 	/* Signal polarities */
 	value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? 0 : DSMR_VSL)
-	      | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? 0 : DSMR_HSL);
+	      | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? 0 : DSMR_HSL)
+	      | DSMR_DIPM_DE;
 	rcar_du_crtc_write(rcrtc, DSMR, value);
 
 	/* Display timings */
@@ -97,6 +98,9 @@  static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
 	rcar_du_crtc_write(rcrtc, VSPR, mode->vtotal - mode->vsync_end +
 					mode->vsync_start - 1);
 	rcar_du_crtc_write(rcrtc, VCR,  mode->vtotal - 1);
+
+	rcar_du_crtc_write(rcrtc, DESR,  mode->htotal - mode->hsync_start);
+	rcar_du_crtc_write(rcrtc, DEWR,  mode->hdisplay);
 }
 
 static void rcar_du_crtc_start_stop(struct rcar_du_crtc *rcrtc, bool start)