From patchwork Tue Jun 4 14:07:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Luis Henriques X-Patchwork-Id: 248647 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 DE0AF2C0099 for ; Wed, 5 Jun 2013 00:10:57 +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 1Ujrwp-0006kX-Gd; Tue, 04 Jun 2013 14:10:51 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1Ujrua-0005Vv-Kz for kernel-team@lists.ubuntu.com; Tue, 04 Jun 2013 14:08:32 +0000 Received: from bl20-141-237.dsl.telepac.pt ([2.81.141.237] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1Ujrua-0003Sp-3i; Tue, 04 Jun 2013 14:08:32 +0000 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: [PATCH 54/70] drm/radeon: fix card_posted check for newer asics Date: Tue, 4 Jun 2013 15:07:10 +0100 Message-Id: <1370354846-14213-55-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1370354846-14213-1-git-send-email-luis.henriques@canonical.com> References: <1370354846-14213-1-git-send-email-luis.henriques@canonical.com> MIME-Version: 1.0 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: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: kernel-team-bounces@lists.ubuntu.com 3.5.7.14 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit 09fb8bd1a63b0f9f15e655c4fe8d047e5d2bf67a upstream. Newer asics have variable numbers of crtcs. Use that rather than the asic family to determine which crtcs to check. This avoids checking non-existent crtcs or missing crtcs on certain asics. Reviewed-by: Michel Dänzer Signed-off-by: Alex Deucher Signed-off-by: Luis Henriques --- drivers/gpu/drm/radeon/radeon_device.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 00ff10e..d14044e 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -364,18 +364,17 @@ bool radeon_card_posted(struct radeon_device *rdev) return false; /* first check CRTCs */ - if (ASIC_IS_DCE41(rdev)) { + if (ASIC_IS_DCE4(rdev)) { reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (reg & EVERGREEN_CRTC_MASTER_EN) - return true; - } else if (ASIC_IS_DCE4(rdev)) { - reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + if (rdev->num_crtc >= 4) { + reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); + } + if (rdev->num_crtc >= 6) { + reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + } if (reg & EVERGREEN_CRTC_MASTER_EN) return true; } else if (ASIC_IS_AVIVO(rdev)) {