From patchwork Mon Oct 22 08:55:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 1624711 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id DD551E0000 for ; Mon, 22 Oct 2012 08:57:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D25889EFE9 for ; Mon, 22 Oct 2012 01:57:36 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from outgoing.email.vodafone.de (outgoing.email.vodafone.de [139.7.28.128]) by gabe.freedesktop.org (Postfix) with ESMTP id 0CA819E791 for ; Mon, 22 Oct 2012 01:55:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=vodafone.de; h=from:to:cc:subject:date:message-id:in-reply-to:references:mime-version:content-type:content-transfer-encoding; s=out; bh=1a1H9uJsBi8hg2uPR6fRqQwfMIHSFUP/u4nqrwFPrdM=; b=thtH9YmDs4EY2BbYMPOxFaak8Us/6SEJNg5FVXbQAqAIn58G5HMVKoA9yK5Vw8rw0jGnVGrjsvfj9hOmn37fp8epSk+u4ea38AWBsLytPxUxjTW03XiQoIQMzVyFiR3lJfCboo0UJKnU3nFqbTsqeXVv7qUEjS3h3HgmEPdJyEM= X-Authentication-Info: Sender authenticated as deathsimple@vodafone.de (using DIGEST-MD5) Received: from dslb-084-060-213-095.pools.arcor-ip.net ([84.60.213.95] helo=localhost.localdomain envelope-sender=) by SMTPIN-06.smtp.email.vodafone.de with ESMTPA id 50850A12.17983.968910; Mon, 22 Oct 2012 10:55:46 +0200 From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: dri-devel@lists.freedesktop.org Subject: [PATCH 3/5] drm/radeon: fix si_set_page Date: Mon, 22 Oct 2012 10:55:41 +0200 Message-Id: <1350896143-4730-3-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1350896143-4730-1-git-send-email-deathsimple@vodafone.de> References: <1350896143-4730-1-git-send-email-deathsimple@vodafone.de> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Handle requests that won't fit into a single packet. Signed-off-by: Christian König --- drivers/gpu/drm/radeon/si.c | 43 ++++++++++++++++++++++++------------------- 1 file changed, 24 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index da184de..1b8d2d9 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2808,26 +2808,31 @@ void si_vm_set_page(struct radeon_device *rdev, uint64_t pe, { struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index]; uint32_t r600_flags = cayman_vm_page_flags(rdev, flags); - int i; - uint64_t value; - radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 2 + count * 2)); - radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | - WRITE_DATA_DST_SEL(1))); - radeon_ring_write(ring, pe); - radeon_ring_write(ring, upper_32_bits(pe)); - for (i = 0; i < count; ++i) { - if (flags & RADEON_VM_PAGE_SYSTEM) { - value = radeon_vm_map_gart(rdev, addr); - value &= 0xFFFFFFFFFFFFF000ULL; - } else if (flags & RADEON_VM_PAGE_VALID) - value = addr; - else - value = 0; - addr += incr; - value |= r600_flags; - radeon_ring_write(ring, value); - radeon_ring_write(ring, upper_32_bits(value)); + while (count) { + unsigned ndw = 2 + count * 2; + if (ndw > 0x3FFE) + ndw = 0x3FFE; + + radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, ndw)); + radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | + WRITE_DATA_DST_SEL(1))); + radeon_ring_write(ring, pe); + radeon_ring_write(ring, upper_32_bits(pe)); + for (; ndw > 2; ndw -= 2, --count) { + uint64_t value; + if (flags & RADEON_VM_PAGE_SYSTEM) { + value = radeon_vm_map_gart(rdev, addr); + value &= 0xFFFFFFFFFFFFF000ULL; + } else if (flags & RADEON_VM_PAGE_VALID) + value = addr; + else + value = 0; + addr += incr; + value |= r600_flags; + radeon_ring_write(ring, value); + radeon_ring_write(ring, upper_32_bits(value)); + } } }