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([2a02:908:1252:fb60:be8a:bd56:1f94:86e7]) by smtp.gmail.com with ESMTPSA id q24sm2488929edw.66.2020.11.21.06.13.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 21 Nov 2020 06:13:46 -0800 (PST) Subject: Re: [PATCH v3 04/12] drm/ttm: Set dma addr to null after freee To: Andrey Grodzovsky , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, daniel.vetter@ffwll.ch, robh@kernel.org, l.stach@pengutronix.de, yuq825@gmail.com, eric@anholt.net References: <1605936082-3099-1-git-send-email-andrey.grodzovsky@amd.com> <1605936082-3099-5-git-send-email-andrey.grodzovsky@amd.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: Date: Sat, 21 Nov 2020 15:13:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1605936082-3099-5-git-send-email-andrey.grodzovsky@amd.com> Content-Language: en-US X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: christian.koenig@amd.com Cc: Alexander.Deucher@amd.com, gregkh@linuxfoundation.org, ppaalanen@gmail.com, Harry.Wentland@amd.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Am 21.11.20 um 06:21 schrieb Andrey Grodzovsky: > Fixes oops. That file doesn't even exist any more. What oops should this fix? > > Signed-off-by: Andrey Grodzovsky > --- > drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c > index b40a467..b0df328 100644 > --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c > +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c > @@ -1160,6 +1160,8 @@ void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt) > dma_unmap_page(dev, tt->dma_address[i], num_pages * PAGE_SIZE, > DMA_BIDIRECTIONAL); > > + tt->dma_address[i] = 0; > + > i += num_pages; > } > ttm_pool_unpopulate(&tt->ttm); _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx