From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753738AbdF0T7t (ORCPT ); Tue, 27 Jun 2017 15:59:49 -0400 Received: from anholt.net ([50.246.234.109]:59096 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753481AbdF0T6q (ORCPT ); Tue, 27 Jun 2017 15:58:46 -0400 From: Eric Anholt To: dri-devel@lists.freedesktop.org, Archit Taneja , Andrzej Hajda , Laurent Pinchart , Thierry Reding Cc: linux-kernel@vger.kernel.org, Eric Anholt Subject: [PATCH 3/8] drm/vc4: Use drm_mode_vrefresh() in DSI fixup, in case vrefresh is 0. Date: Tue, 27 Jun 2017 12:58:34 -0700 Message-Id: <20170627195839.3338-4-eric@anholt.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170627195839.3338-1-eric@anholt.net> References: <20170627195839.3338-1-eric@anholt.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I'm not sure what changed where I started getting vrefresh=0 from the mode to be fixed up. Signed-off-by: Eric Anholt --- drivers/gpu/drm/vc4/vc4_dsi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c index 629d372633e6..fca4d7fd677e 100644 --- a/drivers/gpu/drm/vc4/vc4_dsi.c +++ b/drivers/gpu/drm/vc4/vc4_dsi.c @@ -866,7 +866,9 @@ static bool vc4_dsi_encoder_mode_fixup(struct drm_encoder *encoder, adjusted_mode->clock = pixel_clock_hz / 1000 + 1; /* Given the new pixel clock, adjust HFP to keep vrefresh the same. */ - adjusted_mode->htotal = pixel_clock_hz / (mode->vrefresh * mode->vtotal); + adjusted_mode->htotal = pixel_clock_hz / (drm_mode_vrefresh(mode) * + mode->vtotal); + adjusted_mode->hsync_end += adjusted_mode->htotal - mode->htotal; adjusted_mode->hsync_start += adjusted_mode->htotal - mode->htotal; -- 2.11.0