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From: Ralf Baechle <ralf@linux-mips.org>
To: Huacai Chen <chenhuacai@gmail.com>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>,
	linux-mips@linux-mips.org, linux-kernel@vger.kernel.org,
	Fuxin Zhang <zhangfx@lemote.com>,
	Zhangjin Wu <wuzhangjin@gmail.com>,
	Huacai Chen <chenhc@lemote.com>, Hongliang Tao <taohl@lemote.com>,
	Hua Yan <yanh@lemote.com>,
	dri-devel@lists.freedesktop.org
Subject: Re: [PATCH V3 11/16] drm/radeon: Make radeon card usable for Loongson.
Date: Fri, 22 Jun 2012 12:11:32 +0100	[thread overview]
Message-ID: <20120622111131.GB18249@linux-mips.org> (raw)
In-Reply-To: <CAAhV-H5q5G87UMn0ixPUVZNcEV1b_qBHJKVKmCJsmzKdEB--4A@mail.gmail.com>

On Fri, Jun 22, 2012 at 06:55:40PM +0800, Huacai Chen wrote:

> > btw, would it be a good idea to use uncached accelerated instead ?
> I have tried uncached accelerated, there will be random points in the
> monitor, it seems a hw issue...

Have you flushed the pages from memory before switching their cache mode
to uncached accelerated?  The MIPS architecture defines the result of
mixing cache modes as UNPREDICTABLE so be careful to flush caches before
switching cache mode of a page.

  Ralf

  reply	other threads:[~2012-06-22 11:11 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-22  3:00 [PATCH V3 00/16] MIPS: Add Loongson-3 based machines support Huacai Chen
2012-06-22  3:00 ` [PATCH V3 01/16] MIPS: Loongson: Add basic Loongson-3 definition Huacai Chen
2012-06-22  3:00 ` [PATCH V3 02/16] MIPS: Loongson: Add basic Loongson-3 CPU support Huacai Chen
2012-06-22  3:01 ` [PATCH V3 03/16] MIPS: Loongson 3: Add Lemote-3A machtypes definition Huacai Chen
2012-06-22  3:01 ` [PATCH V3 04/16] MIPS: Loongson: Make Loongson-3 to use BCD format for RTC Huacai Chen
2012-06-22  3:01 ` [PATCH V3 05/16] MIPS: Loongson: Add UEFI-like firmware interface support Huacai Chen
2012-06-22  3:01 ` [PATCH V3 06/16] MIPS: Loongson 3: Add HT-linked PCI support Huacai Chen
2012-06-22  3:01 ` [PATCH V3 07/16] MIPS: Loongson 3: Add IRQ init and dispatch support Huacai Chen
2012-06-22  3:01 ` [PATCH V3 08/16] MIPS: Loongson 3: Add serial port support Huacai Chen
2012-06-22  3:01 ` [PATCH V3 09/16] MIPS: Loongson: Add swiotlb to support big memory (>4GB) Huacai Chen
2012-06-22  3:01 ` [PATCH V3 10/16] MIPS: Loongson: Add Loongson-3 Kconfig options Huacai Chen
2012-06-22  3:01 ` [PATCH V3 11/16] drm/radeon: Make radeon card usable for Loongson Huacai Chen
2012-06-22  5:25   ` Lucas Stach
2012-06-22  5:59     ` Huacai Chen
2012-06-22  7:44       ` Christian König
2012-08-02  6:30       ` Huacai Chen
2012-06-22  9:34     ` Huacai Chen
2012-06-22  9:39   ` Arnaud Patard
2012-06-22 10:55     ` Huacai Chen
2012-06-22 11:11       ` Ralf Baechle [this message]
2012-06-23  0:46         ` Huacai Chen
2012-06-22 11:06     ` Ralf Baechle
2012-06-22  3:01 ` [PATCH V3 12/16] ALSA: HDA: Make hda sound " Huacai Chen
2012-06-22  3:01 ` [PATCH V3 13/16] MIPS: Loongson 3: Add Loongson-3 SMP support Huacai Chen
2012-06-22  3:01 ` [PATCH V3 14/16] MIPS: Loongson 3: Add CPU hotplug support Huacai Chen
2012-06-22  3:01 ` [PATCH V3 15/16] MIPS: Fix poweroff failure when HOTPLUG_CPU configured Huacai Chen
2012-06-22  3:01 ` [PATCH V3 16/16] MIPS: Loongson: Add a Loongson-3 default config file Huacai Chen

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