From patchwork Mon May 20 10:50:51 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Henriques X-Patchwork-Id: 244958 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id D750F2C00A1 for ; Mon, 20 May 2013 20:56:54 +1000 (EST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1UeNln-0000WC-Rh; Mon, 20 May 2013 10:56:47 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1UeNiC-0005xi-16 for kernel-team@lists.ubuntu.com; Mon, 20 May 2013 10:53:04 +0000 Received: from bl20-156-11.dsl.telepac.pt ([2.81.156.11] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1UeNiB-0008BC-NB; Mon, 20 May 2013 10:53:04 +0000 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 051/115] drm/radeon: use frac fb div on RS780/RS880 Date: Mon, 20 May 2013 11:50:51 +0100 Message-Id: <1369047116-9378-52-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1369047116-9378-1-git-send-email-luis.henriques@canonical.com> References: <1369047116-9378-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.5 Cc: Alex Deucher X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com 3.5.7.13 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit 411678288d61ba17afe1f8afed92200be6bbc65d upstream. Monitors seem to prefer it. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=37696 Signed-off-by: Alex Deucher [ luis: backported to 3.5: - adjust context - use pll->flags instead of radeon_crtc->pll_flags ] Signed-off-by: Luis Henriques --- drivers/gpu/drm/radeon/atombios_crtc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 08b71a3..c4e646f 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -573,6 +573,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, /* use frac fb div on APUs */ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev)) pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; + /* use frac fb div on RS780/RS880 */ + if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) + pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; if (ASIC_IS_DCE32(rdev) && mode->clock > 165000) pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; } else {