From: Philipp Zabel Date: Wed, 7 Jan 2015 22:52:15 +0000 (+0100) Subject: drm/imx: dw_hdmi-imx: add mode_valid callback prune unsupported modes X-Git-Tag: omap-for-v4.1/wl12xx-dt~53^2~8^2~3 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=081c80e85feabe9a0081f4db940fccb6443b81fb;p=pandora-kernel.git drm/imx: dw_hdmi-imx: add mode_valid callback prune unsupported modes This patch limits the pixel clock to 13.4 MHz - 266 MHz for i.MX6Q and 13.5 MHz - 270 MHz for i.MX6DL, which is the range documented in the HDMI Transmitter chapter of the respective reference manuals. Without this patch, when connected to a monitor capable of 2160p60 modes, dw_hdmi will happily report this mode and the IPU code will cause a division by zero in ipu_di_config_clock when trying to figure out how to divide the 264 MHz HSP clock down to ~600 MHz. Signed-off-by: Philipp Zabel --- Reading git-diff-tree failed