Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752732AbdFOUlo (ORCPT ); Thu, 15 Jun 2017 16:41:44 -0400 Received: from anholt.net ([50.246.234.109]:57114 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752711AbdFOUlk (ORCPT ); Thu, 15 Jun 2017 16:41:40 -0400 From: Eric Anholt To: dri-devel@lists.freedesktop.org, Archit Taneja , Andrzej Hajda , Laurent Pinchart , Thierry Reding , Rob Herring , Mark Rutland , devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Eric Anholt Subject: [PATCH 4/7] drm/vc4: Use drm_mode_vrefresh() in DSI fixup, in case vrefresh is 0. Date: Thu, 15 Jun 2017 13:41:27 -0700 Message-Id: <20170615204130.19255-5-eric@anholt.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170615204130.19255-1-eric@anholt.net> References: <20170615204130.19255-1-eric@anholt.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 955 Lines: 25 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