<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [Intel G45] Screen turns blank when terminating a low res X server on a different low res KMS mode." href="https://bugs.freedesktop.org/show_bug.cgi?id=61457#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [Intel G45] Screen turns blank when terminating a low res X server on a different low res KMS mode." href="https://bugs.freedesktop.org/show_bug.cgi?id=61457">bug 61457</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>I would try: diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 61fee7f..f52379a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -1357,6 +1357,7 @@ static void g4x_update_wm(struct drm_device *dev) int plane_sr, cursor_sr; unsigned int enabled = 0; +#if 0 if (g4x_compute_wm0(dev, 0, &g4x_wm_info, latency_ns, &g4x_cursor_wm_info, latency_ns, @@ -1368,6 +1369,13 @@ static void g4x_update_wm(struct drm_device *dev) &g4x_cursor_wm_info, latency_ns, &planeb_wm, &cursorb_wm)) enabled |= 2; +#else + planea_wm = g4x_wm_info.max_size; + cursora_wm = g4x_cursor_wm_info.max_size; + + planeb_wm = g4x_wm_info.max_size; + cursorb_wm = g4x_cursor_wm_info.max_size; +#endif if (single_plane_enabled(enabled) && g4x_compute_srwm(dev, ffs(enabled) - 1, in order to set the WM to a constant value and disable the low-power switching.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>