On Thu, May 14, 2020 at 07:02:37PM +0200, Sebastian Reichel wrote: > From: Robert Beckett <bob.beckett@xxxxxxxxxxxxx> > > Avoid LDB and IPU DI clocks both using the same parent. LDB requires > pasthrough clock to avoid breaking timing while IPU DI does not. > > Force IPU DI clocks to use IMX6QDL_CLK_PLL2_PFD0_352M as parent > and LDB to use IMX6QDL_CLK_PLL5_VIDEO_DIV. > > This fixes an issue where attempting atomic modeset while using > HDMI and display port at the same time causes LDB clock programming > to destroy the programming of HDMI that was done during the same > modeset. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Robert Beckett <bob.beckett@xxxxxxxxxxxxx> > [Use IMX6QDL_CLK_PLL2_PFD0_352M instead of IMX6QDL_CLK_PLL2_PFD2_396M > originally chosen by Robert Beckett to avoid affecting eMMC clock > by DRM atomic updates] > Signed-off-by: Ian Ray <ian.ray@xxxxxx> > [Squash Robert's and Ian's commits for bisectability, update patch > description and add stable tag] > Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx> Applied, thanks.
