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Fri, 1 Mar 2024 09:36:09 +0000 (UTC) Message-ID: <7de218a7-680f-40a8-a002-d6a2c87f53ee@collabora.com> Date: Fri, 1 Mar 2024 10:36:08 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] media: mediatek: vcodec: support 36bit physical address Content-Language: en-US To: =?UTF-8?B?WXVuZmVpIERvbmcgKOiRo+S6kemjnik=?= , "nhebert@chromium.org" , "benjamin.gaignard@collabora.com" , "nfraprado@collabora.com" , "nicolas.dufresne@collabora.com" , "hverkuil-cisco@xs4all.nl" Cc: "linux-kernel@vger.kernel.org" , "linux-mediatek@lists.infradead.org" , "frkoenig@chromium.org" , "stevecho@chromium.org" , "linux-media@vger.kernel.org" , "devicetree@vger.kernel.org" , "daniel@ffwll.ch" , Project_Global_Chrome_Upstream_Group , "hsinyi@chromium.org" , "linux-arm-kernel@lists.infradead.org" References: <20240301020126.11539-1-yunfei.dong@mediatek.com> From: AngeloGioacchino Del Regno In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240301_013612_093171_47FE4D0D X-CRM114-Status: GOOD ( 18.70 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Il 01/03/24 10:23, Yunfei Dong (董云飞) ha scritto: > Hi AngeloGioacchino, > > Thanks for you reviewing. > On Fri, 2024-03-01 at 10:03 +0100, AngeloGioacchino Del Regno wrote: >> Il 01/03/24 03:01, Yunfei Dong ha scritto: >>> The physical address is beyond 32bit for mt8188 platform, need >>> to change the type from unsigned int to unsigned long in case of >>> the high bit missing. >>> >>> Signed-off-by: Yunfei Dong >>> --- >>> .../mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c | 4 >>> ++-- >>> 1 file changed, 2 insertions(+), 2 deletions(-) >>> >>> diff --git >>> a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_ >>> lat_if.c >>> b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_ >>> lat_if.c >>> index cf48d09b78d7..85df3e7c2983 100644 >>> --- >>> a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_ >>> lat_if.c >>> +++ >>> b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_ >>> lat_if.c >>> @@ -1074,7 +1074,7 @@ static int >>> vdec_vp9_slice_setup_tile_buffer(struct vdec_vp9_slice_instance >>> *inst >>> unsigned int mi_row; >>> unsigned int mi_col; >>> unsigned int offset; >>> - unsigned int pa; >>> + unsigned long pa; >> >> If you used the right type from the beginning, you wouldn't have to >> fix that ;-) >> > Yes, you are right, thanks for your remind. >> Is there any reason why you didn't - and still don't use the >> `phys_addr_t` type >> for the `pa` member? >> > pa is also iova, dma address. Change it to dma_addr_t looks much > better. > Ok, dma_addr_t looks good as well. Cheers! > I will change it in next patch. >> Cheers, >> Angelo >> > Best Regards, > Yunfei Dong >>> unsigned int size; >>> struct vdec_vp9_slice_tiles *tiles; >>> unsigned char *pos; >>> @@ -1109,7 +1109,7 @@ static int >>> vdec_vp9_slice_setup_tile_buffer(struct vdec_vp9_slice_instance >>> *inst >>> pos = va + offset; >>> end = va + bs->size; >>> /* truncated */ >>> - pa = (unsigned int)bs->dma_addr + offset; >>> + pa = (unsigned long)bs->dma_addr + offset; >>> tb = instance->tile.va; >>> for (i = 0; i < rows; i++) { >>> for (j = 0; j < cols; j++) { >> >>