linux-kernel - [PATCH 4/4] drm/msm/hdmi: don't call clk_round

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Message-Id: <1417033051-12013-1-git-send-email-jilaiw@codeaurora.org>
Date:	Wed, 26 Nov 2014 15:17:31 -0500
From:	Jilai Wang <jilaiw@...eaurora.org>
To:	dri-devel@...ts.freedesktop.org
Cc:	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	robdclark@...il.com, Jilai Wang <jilaiw@...eaurora.org>
Subject: [PATCH 4/4] drm/msm/hdmi: don't call clk_round_rate to check hdmi pclk for MDP5

clock driver can support dynamic rate settings for HDMI
pixelclock, so don't need to use clk_round_rate to check if the
clockrate for specific mode is supported therefore more display
modes can be supported.

Change-Id: I308df4eb604438c24df463619571d8e18cc956b6
Signed-off-by: Jilai Wang <jilaiw@...eaurora.org>
---
 drivers/gpu/drm/msm/hdmi/hdmi_connector.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
index c458348..cf18896 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c
@@ -355,8 +355,6 @@ static int hdmi_connector_mode_valid(struct drm_connector *connector,
 				 struct drm_display_mode *mode)
 {
 	struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector);
-	struct hdmi *hdmi = hdmi_connector->hdmi;
-	const struct hdmi_platform_config *config = hdmi->config;
 	struct msm_drm_private *priv = connector->dev->dev_private;
 	struct msm_kms *kms = priv->kms;
 	long actual, requested;
@@ -365,13 +363,6 @@ static int hdmi_connector_mode_valid(struct drm_connector *connector,
 	actual = kms->funcs->round_pixclk(kms,
 			requested, hdmi_connector->hdmi->encoder);
 
-	/* for mdp5/apq8074, we manage our own pixel clk (as opposed to
-	 * mdp4/dtv stuff where pixel clk is assigned to mdp/encoder
-	 * instead):
-	 */
-	if (config->pwr_clk_cnt > 0)
-		actual = clk_round_rate(hdmi->pwr_clks[0], actual);
-
 	DBG("requested=%ld, actual=%ld", requested, actual);
 
 	if (actual != requested)
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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