<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [SKL] "testdisplay -a" *ERROR* mismatch in base.adjusted_mode.crtc_clock (expected 13500, found 27000)" href="https://bugs.freedesktop.org/show_bug.cgi?id=90237#c5">Comment # 5</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [SKL] "testdisplay -a" *ERROR* mismatch in base.adjusted_mode.crtc_clock (expected 13500, found 27000)" href="https://bugs.freedesktop.org/show_bug.cgi?id=90237">bug 90237</a> from <a class="email" href="mailto:conselvan2@gmail.com" title="Ander Conselvan de Oliveira <conselvan2@gmail.com>"> Ander Conselvan de Oliveira</a> <pre>The error in the first log, *ERROR* mismatch in base.adjusted_mode.crtc_clock (expected 13500, found 27000) happens when using a mode with DRM_MODE_FLAG_DBLCLK. Because of that flag, intel_hdmi_compute_config() sets the pipe_config's pixel_multiplier to 2, which in turns causes intel_modeset_pipe_config() to double the port clock. When we read back the hardware configuration for state checking, ->get_pipe_config() reads the port clock as doubled (27000 instead of 13500) and sets adjusted_mode.crtc_clock to be equal to the port_clock. In the second log, the mismatch happens with SKL scalers, so they should be tracked in a separate bug if they still occur.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>