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Fri, 08 Mar 2019 06:54:34 -0800 (PST) X-Gm-Message-State: APjAAAUQsAlHvz1LKW/tNnN8IjOqjjBKPFdiZu/uSpxBdpOB/xK1hDU/ 4RwN+Z+7L3UG6q4zLHAh83XlvGHwOWDe3LIlYw== X-Google-Smtp-Source: APXvYqwHBa9l0tLCztQbL2/xiRTLGHfjE2CpSkVzPplCHB3+Uo7iEpRpw28U6Z1Kc3Dvv2m3LdDzYjMWLwz5sxUeMqw= X-Received: by 2002:ac8:3015:: with SMTP id f21mr2248856qte.144.1552056874013; Fri, 08 Mar 2019 06:54:34 -0800 (PST) MIME-Version: 1.0 References: <1549022873-40549-1-git-send-email-narmstrong@baylibre.com> <1549022873-40549-2-git-send-email-narmstrong@baylibre.com> <36800d4e-0bb7-378c-e512-5ae02406865b@baylibre.com> In-Reply-To: <36800d4e-0bb7-378c-e512-5ae02406865b@baylibre.com> From: Rob Herring Date: Fri, 8 Mar 2019 08:54:22 -0600 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 1/8] drm/bridge: dw-hdmi: Add SCDC and TMDS Scrambling support To: Neil Armstrong X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190308_065435_640634_B19E0B22 X-CRM114-Status: GOOD ( 17.49 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "heiko@sntech.de" , Maxime Ripard , Sandy Huang , dri-devel , "linux-kernel@vger.kernel.org" , Andrzej Hajda , Nickey Yang , Laurent Pinchart , Philipp Zabel , linux-amlogic@lists.infradead.org, Huicong Xu Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On Fri, Mar 8, 2019 at 2:05 AM Neil Armstrong wrote: > > Hi Rob, > > On 08/03/2019 00:13, Rob Herring wrote: > > On Fri, Feb 1, 2019 at 6:08 AM Neil Armstrong wrote: > >> > >> Add support for SCDC Setup for TMDS Clock > 3.4GHz and enable TMDS > >> Scrambling when supported or mandatory. > >> > >> This patch also adds an helper to setup the control bit to support > >> the high TMDS Bit Period/TMDS Clock-Period Ratio as required with > >> TMDS Clock > 3.4GHz for HDMI2.0 3840x2160@60/50 modes. > >> > >> These changes were based on work done by Huicong Xu > >> and Nickey Yang to support HDMI2.0 modes > >> on the Rockchip 4.4 BSP kernel at [1] > >> > >> [1] https://github.com/rockchip-linux/kernel/tree/release-4.4 > >> > >> Cc: Nickey Yang > >> Cc: Huicong Xu > >> Signed-off-by: Neil Armstrong > >> Tested-by: Heiko Stuebner > >> Reviewed-by: Andrzej Hajda > >> --- > >> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 85 ++++++++++++++++++++++++++++++- > >> drivers/gpu/drm/bridge/synopsys/dw-hdmi.h | 1 + > >> include/drm/bridge/dw_hdmi.h | 1 + > >> 3 files changed, 85 insertions(+), 2 deletions(-) > > > > This commit in drm-misc-next is breaking booting on the Rock960. I > > have FB and fbcon enabled. The boot hangs after this message: > > > > [ 3.012334] [drm:rockchip_drm_fbdev_create] FB [1920x1080]-24 > > kvaddr=(____ptrval____) offset=0 size=8294400 > > Could you give more details on the tree used ? did you bisect to find this commit ? As I said above, drm-misc-next (from drm-misc tree) is the branch. I bisected between it and v5.0. Reverting it fixes booting. Rob _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic