linux-kernel - [PATCH 4/5] drm/sun4i: Compute TCON1 mode from tv mode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <c2736e784c776479a251d3ddea5dd330eeb7e896.1476779323.git-series.maxime.ripard@free-electrons.com>
Date:   Tue, 18 Oct 2016 10:29:37 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>
Cc:     dri-devel@...ts.freedesktop.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        linux-arm-kernel@...ts.infradead.org,
        Hans de Goede <hdegoede@...hat.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] drm/sun4i: Compute TCON1 mode from tv mode

Since the mode passed in mode_set is probably going to be a scaled down
version of the TV mode, we cannot just use it.

Instead, try to retrieve the actual mode we want to set, and generate a drm
mode from that.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 drivers/gpu/drm/sun4i/sun4i_tv.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index 6f8077013be3..f99886462cb8 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -401,8 +401,13 @@ static void sun4i_tv_mode_set(struct drm_encoder *encoder,
 	struct sun4i_drv *drv = tv->drv;
 	struct sun4i_tcon *tcon = drv->tcon;
 	const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode);
+	struct drm_display_mode tv_drm_mode = { 0 };
 
-	sun4i_tcon1_mode_set(tcon, mode);
+	strcpy(tv_drm_mode.name, "TV");
+	sun4i_tv_mode_to_drm_mode(tv_mode, &tv_drm_mode);
+	drm_mode_set_crtcinfo(&tv_drm_mode, CRTC_INTERLACE_HALVE_V);
+
+	sun4i_tcon1_mode_set(tcon, &tv_drm_mode);
 
 	/* Enable and map the DAC to the output */
 	regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
-- 
git-series 0.8.10