From mboxrd@z Thu Jan 1 00:00:00 1970 From: Egbert Eich Subject: [PATCH 13/16] drm/mgag200: Fix framebuffer pitch calculation Date: Wed, 17 Jul 2013 15:07:26 +0200 Message-ID: <1374066449-21714-14-git-send-email-eich@suse.com> References: <1374066449-21714-1-git-send-email-eich@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.17.9]) by gabe.freedesktop.org (Postfix) with ESMTP id BFDECE5ED3 for ; Wed, 17 Jul 2013 06:07:51 -0700 (PDT) In-Reply-To: <1374066449-21714-1-git-send-email-eich@suse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org Cc: Egbert Eich , Mathieu Larouche , Takashi Iwai , Dave Airlie , Christopher Harvey List-Id: dri-devel@lists.freedesktop.org From: Takashi Iwai The framebuffer pitch calculation needs to be done differently for bpp == 24 - check xf86-video-mga for reference. Signed-off-by: Egbert Eich --- drivers/gpu/drm/mgag200/mgag200_mode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 020a623..c8983f9 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -877,7 +877,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, pitch = crtc->fb->pitches[0] / (crtc->fb->bits_per_pixel / 8); if (crtc->fb->bits_per_pixel == 24) - pitch = pitch >> (4 - bppshift); + pitch = (pitch * 3) >> (4 - bppshift); else pitch = pitch >> (4 - bppshift); -- 1.8.1.4