On Tue, Oct 17, 2017 at 4:16 PM, Eric Anholt <eric@xxxxxxxxxx> wrote: > Rob Clark <robdclark@xxxxxxxxx> writes: > >> Bootloader enabled display, when the driver is built-in (rather than a >> module loaded after CCF/genpd disable "unused" clocks/powerdomains) >> causes problems since the driver thinks the clocks are off, but in fact >> they are on. This causes (for example) clk_set_rate() to fail. >> >> A better solution would be to support display handover from bootloader, >> but that will require some CCF+genpd changes before that is possible. >> So until then, we need this workaround. > > Hmm. Couldn't the clk_set_rate() just turn off the clock and then make > the rate change when there are no refs on the clk currently? +sboyd I *assume* the reasoning is something about parent clocks? BR, -R _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
