From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrej Krutak Subject: [Patch] DRM support for addressing >32 bits on 32 bit cores (Radeon DRM driver+TTM) Date: Fri, 15 Aug 2014 13:46:02 +0200 Message-ID: <8588930.oNFIB51hOc@kru> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="nextPart1685257.FtGvy0FnDZ" Content-Transfer-Encoding: 7Bit Return-path: Received: from mail.sysgo.com (mail.sysgo.com [176.9.53.133]) by gabe.freedesktop.org (Postfix) with ESMTP id 2CC8E6E7D3 for ; Fri, 15 Aug 2014 04:55:54 -0700 (PDT) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --nextPart1685257.FtGvy0FnDZ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" Hello, I was advised to send this stuff here (=20 https://bugs.freedesktop.org/show_bug.cgi?id=3D18154 ). The patches are tested with a P3041 board and a TURKS radeon card. It a= ppears=20 that the radeon driver is already generic enough (so no major changes w= ere=20 needed there), fortunately. I think esp. the TTM patch is clearly needed, but it may be incomplete.= .. --=20 Best regards | S pozdravom | Mit freundlichen Gr=FC=DFen | Cordialement= Andrej Krutak --nextPart1685257.FtGvy0FnDZ Content-Disposition: attachment; filename="radeon.patch" Content-Transfer-Encoding: 7Bit Content-Type: text/x-patch; charset="utf-8"; name="radeon.patch" Allow > 32-bit physical addresses in mmio base info text. --- linux-ppc-3.12/drivers/gpu/drm/radeon/radeon_device.c 2014-08-05 13:47:28.254522980 +0200 +++ linux-ppc-3.12/drivers/gpu/drm/radeon/radeon_device.c 2014-08-05 13:58:40.648549673 +0200 @@ -258,7 +258,7 @@ int radeon_doorbell_init(struct radeon_d if (rdev->doorbell.ptr == NULL) { return -ENOMEM; } - DRM_INFO("doorbell mmio base: 0x%08X\n", (uint32_t)rdev->doorbell.base); + DRM_INFO("doorbell mmio base: 0x%016llX\n", (uint64_t)rdev->doorbell.base); DRM_INFO("doorbell mmio size: %u\n", (unsigned)rdev->doorbell.size); rdev->doorbell.num_pages = rdev->doorbell.size / PAGE_SIZE; @@ -1271,7 +1271,7 @@ int radeon_device_init(struct radeon_dev if (rdev->rmmio == NULL) { return -ENOMEM; } - DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)rdev->rmmio_base); + DRM_INFO("register mmio base: 0x%016llX\n", (uint64_t)rdev->rmmio_base); DRM_INFO("register mmio size: %u\n", (unsigned)rdev->rmmio_size); /* doorbell bar mapping */ --nextPart1685257.FtGvy0FnDZ Content-Disposition: attachment; filename="ttm.patch" Content-Transfer-Encoding: 7Bit Content-Type: text/x-patch; charset="utf-8"; name="ttm.patch" Allow > 32-bit physical addresses for TTM bus placement. --- linux-ppc-3.12/include/drm/ttm/ttm_bo_api.h 2014-08-05 13:47:31.082598913 +0200 +++ linux-ppc-3.12/include/drm/ttm/ttm_bo_api.h 2014-08-05 14:14:54.999755480 +0200 @@ -82,7 +82,7 @@ struct ttm_placement { */ struct ttm_bus_placement { void *addr; - unsigned long base; + resource_size_t base; unsigned long size; unsigned long offset; bool is_iomem; --nextPart1685257.FtGvy0FnDZ Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel --nextPart1685257.FtGvy0FnDZ--