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Mon, 10 Jun 2024 09:34:19 -0700 (PDT) Received: from p14s ([2604:3d09:148c:c800:9b34:fecc:a6c:e2bc]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c2f8fbc87asm3495711a91.47.2024.06.10.09.34.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Jun 2024 09:34:18 -0700 (PDT) Date: Mon, 10 Jun 2024 10:34:16 -0600 From: Mathieu Poirier To: AngeloGioacchino Del Regno Cc: jason-ch chen , Bjorn Andersson , Matthias Brugger , Project_Global_Chrome_Upstream_Group@mediatek.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Jason Chen Subject: Re: [PATCH] remoteproc: mediatek: Increase MT8188 SCP core0 DRAM size Message-ID: References: <20240606090609.3199-1-jason-ch.chen@mediatek.corp-partner.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240610_093425_225237_D6B59C61 X-CRM114-Status: GOOD ( 18.09 ) 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 On Thu, Jun 06, 2024 at 01:00:11PM +0200, AngeloGioacchino Del Regno wrote: > Il 06/06/24 11:06, jason-ch chen ha scritto: > > From: Jason Chen > > > > Increase MT8188 SCP core0 DRAM size for HEVC driver. This is telling me _what_ gets done rather than _why_ it gets done. > > > > ....so the second core only gets a maximum of 0x200000 of SRAM? > I'm not sure how useful is the secondary SCP core, at this point, with so little > available SRAM but... okay, as you wish. > > Reviewed-by: AngeloGioacchino Del Regno > > > > Signed-off-by: Jason Chen > > --- > > drivers/remoteproc/mtk_scp.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c > > index b885a9a041e4..2119fc62c3f2 100644 > > --- a/drivers/remoteproc/mtk_scp.c > > +++ b/drivers/remoteproc/mtk_scp.c > > @@ -1390,7 +1390,7 @@ static const struct mtk_scp_sizes_data default_scp_sizes = { > > }; > > static const struct mtk_scp_sizes_data mt8188_scp_sizes = { > > - .max_dram_size = 0x500000, > > + .max_dram_size = 0x800000, Do you require to fix a "reserved-memory" node in a device tree file to account for this? Thanks, Mathieu > > .ipi_share_buffer_size = 600, > > }; > >