From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Zhong Subject: Re: [PATCH v3 03/12] drm/rockchip: return a true clock rate to adjusted_mode Date: Thu, 19 Nov 2015 16:10:03 +0800 Message-ID: <564D83DB.9040705@rock-chips.com> References: <1447904131-29328-1-git-send-email-zyw@rock-chips.com> <1447904131-29328-4-git-send-email-zyw@rock-chips.com> <564D756D.9050000@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <564D756D.9050000@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: Mark yao , heiko@sntech.de, linux-rockchip@lists.infradead.org Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , linux-arm-kernel@lists.infradead.org List-Id: linux-rockchip.vger.kernel.org On 11/19/2015 03:08 PM, Mark yao wrote: > On 2015=E5=B9=B411=E6=9C=8819=E6=97=A5 11:35, Chris Zhong wrote: >> + >> + /* >> + * Sometimes the clock driver can not set a accurate clock_rate= =20 >> for vop, >> + * get the true rate of vop_dclk and set it back to adjusted_mo= de. >> + */ >> + adjusted_mode->clock =3D clk_get_rate(vop->dclk) / 1000; >> out: >> ret_clk =3D clk_enable(vop->dclk); >> if (ret_clk < 0) { > Hi Chris > How about use clk_round_rate to check the clock rate first? > I think we can check it on vop_crtc_mode_fixup. Hi Mark Nice advice, I'll modify it in next version. Thanks. > > Thanks. > - =EF=BC=ADark Yao > > > From mboxrd@z Thu Jan 1 00:00:00 1970 From: zyw@rock-chips.com (Chris Zhong) Date: Thu, 19 Nov 2015 16:10:03 +0800 Subject: [PATCH v3 03/12] drm/rockchip: return a true clock rate to adjusted_mode In-Reply-To: <564D756D.9050000@rock-chips.com> References: <1447904131-29328-1-git-send-email-zyw@rock-chips.com> <1447904131-29328-4-git-send-email-zyw@rock-chips.com> <564D756D.9050000@rock-chips.com> Message-ID: <564D83DB.9040705@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 11/19/2015 03:08 PM, Mark yao wrote: > On 2015?11?19? 11:35, Chris Zhong wrote: >> + >> + /* >> + * Sometimes the clock driver can not set a accurate clock_rate >> for vop, >> + * get the true rate of vop_dclk and set it back to adjusted_mode. >> + */ >> + adjusted_mode->clock = clk_get_rate(vop->dclk) / 1000; >> out: >> ret_clk = clk_enable(vop->dclk); >> if (ret_clk < 0) { > Hi Chris > How about use clk_round_rate to check the clock rate first? > I think we can check it on vop_crtc_mode_fixup. Hi Mark Nice advice, I'll modify it in next version. Thanks. > > Thanks. > - ?ark Yao > > >