From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexdeucher@gmail.com Subject: [PATCH 2/2] drm/radeon: don't check crtcs in card_posted() on cards without DCE Date: Wed, 22 May 2013 11:32:56 -0400 Message-ID: <1369236776-19306-2-git-send-email-alexdeucher@gmail.com> References: <1369236776-19306-1-git-send-email-alexdeucher@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-qc0-f169.google.com (mail-qc0-f169.google.com [209.85.216.169]) by gabe.freedesktop.org (Postfix) with ESMTP id 39612E6434 for ; Wed, 22 May 2013 08:33:07 -0700 (PDT) Received: by mail-qc0-f169.google.com with SMTP id k15so1129007qcv.0 for ; Wed, 22 May 2013 08:33:06 -0700 (PDT) In-Reply-To: <1369236776-19306-1-git-send-email-alexdeucher@gmail.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: Alex Deucher List-Id: dri-devel@lists.freedesktop.org From: Alex Deucher Skip checking crtcs in hardware without them. Avoids checking non-existent hardware. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_device.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 89cc816..af82c9b 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -471,6 +471,9 @@ bool radeon_card_posted(struct radeon_device *rdev) rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) return false; + if (ASIC_IS_NODCE(rdev)) + goto check_memsize; + /* first check CRTCs */ if (ASIC_IS_DCE4(rdev)) { reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | @@ -499,6 +502,7 @@ bool radeon_card_posted(struct radeon_device *rdev) } } +check_memsize: /* then check MEM_SIZE, in case the crtcs are off */ if (rdev->family >= CHIP_R600) reg = RREG32(R600_CONFIG_MEMSIZE); -- 1.7.7.5