From patchwork Wed Nov 11 15:34:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liviu Dudau X-Patchwork-Id: 56380 Delivered-To: patch@linaro.org Received: by 10.112.155.196 with SMTP id vy4csp1425425lbb; Wed, 11 Nov 2015 07:35:07 -0800 (PST) X-Received: by 10.68.133.230 with SMTP id pf6mr15427257pbb.31.1447256104099; Wed, 11 Nov 2015 07:35:04 -0800 (PST) Return-Path: Received: from gabe.freedesktop.org (gabe.freedesktop.org. [131.252.210.177]) by mx.google.com with ESMTP id px4si13367115pac.14.2015.11.11.07.35.03; Wed, 11 Nov 2015 07:35:04 -0800 (PST) Received-SPF: pass (google.com: domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) client-ip=131.252.210.177; Authentication-Results: mx.google.com; spf=pass (google.com: domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DBA8B6E9E9; Wed, 11 Nov 2015 07:35:02 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from cam-smtp0.cambridge.arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) by gabe.freedesktop.org (Postfix) with ESMTPS id CAAE16E9E6 for ; Wed, 11 Nov 2015 07:34:58 -0800 (PST) Received: from e106497-lin.cambridge.arm.com (e106497-lin.cambridge.arm.com [10.2.131.158]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id tABFYaNR009255; Wed, 11 Nov 2015 15:34:36 GMT From: Liviu Dudau To: David Airlie Subject: [PATCH 2/3] drm/i2c: tda998x: Increase the supported dotclock frequency to 165MHz for TDA19988. Date: Wed, 11 Nov 2015 15:34:34 +0000 Message-Id: <1447256075-471-3-git-send-email-Liviu.Dudau@arm.com> X-Mailer: git-send-email 2.6.0 In-Reply-To: <1447256075-471-1-git-send-email-Liviu.Dudau@arm.com> References: <1447256075-471-1-git-send-email-Liviu.Dudau@arm.com> Cc: Russell King , LKML , DRI devel X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Spec sheet states that the TDA19988 supports up to 165MHz dotclock speeds. Without this change modes higher than 1080p are un-attainable. Signed-off-by: Liviu Dudau Cc: Russell King --- drivers/gpu/drm/i2c/tda998x_drv.c | 5 +++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index cdbd83b..a9c8ee8 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -878,7 +878,10 @@ tda998x_encoder_mode_fixup(struct drm_encoder *encoder, static int tda998x_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - if (mode->clock > 150000) + /* TDA19988 dotclock can go up to 165MHz */ + struct tda998x_priv *priv = conn_to_tda998x_priv(connector); + + if (mode->clock > ((priv->rev == TDA19988) ? 165000 : 150000)) return MODE_CLOCK_HIGH; if (mode->htotal >= BIT(13)) return MODE_BAD_HVALUE;