Commit c19b3e23 authored Jun 21, 2013 by Pantelis Antoniou Committed by Dave Airlie Jun 28, 2013

drm/tilcdc: Clear bits of register we're going to set.



Bits weren't cleared so resolution changes didn't work.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Signed-off-by: Darren Etheridge <detheridge@ti.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent 39de6194

drivers/gpu/drm/tilcdc/tilcdc_crtc.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -299,6 +299,8 @@ static int tilcdc_crtc_mode_set(struct drm_crtc *crtc,
		* a value of 0 as 1
		*/
		if (priv->rev == 2) {
		/* clear bits we're going to set */
		reg &= ~0x78000033;
		reg \|= ((hfp-1) & 0x300) >> 8;
		reg \|= ((hbp-1) & 0x300) >> 4;
		reg \|= ((hsw-1) & 0x3c0) << 21;