On Mon, Jul 28, 2014 at 03:37:12PM -0300, Paulo Zanoni wrote: > From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > If we're runtime suspended and try to use the cursor interfaces, we > will get a lot of WARNs saying we did the wrong thing. > > For intel_crtc_update_cursor(), all we need to do is return if the > CRTC is not active, since writing the registers won't really have any > effect if the screen is not visible, and we will write the registers > later when enabling the screen. > > For intel_crtc_cursor_set_obj(), we just need to wake up the hardware > then pinning the display plane. > > v2: - Narrow the put/get calls on intel_crtc_cursor_set_obj() (Daniel) > > Testcase: igt/pm_rpm/cursor > Testcase: igt/pm_rpm/cursor-dpms > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81645 > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_display.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index 1edfd1a..f1a9b5c 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -8144,6 +8144,9 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc, > if (base == 0 && intel_crtc->cursor_base == 0) > return; > > + if (!intel_crtc->active) > + return; > + > I915_WRITE(CURPOS(pipe), pos); > > if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev) || IS_BROADWELL(dev)) > @@ -8217,7 +8220,9 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc, > if (need_vtd_wa(dev)) > alignment = 64*1024; > > + intel_runtime_pm_get(dev_priv); > ret = i915_gem_object_pin_to_display_plane(obj, alignment, NULL); > + intel_runtime_pm_put(dev_priv); put_fence() would need runtime pm too I think. > if (ret) { > DRM_DEBUG_KMS("failed to move cursor bo into the GTT\n"); > goto fail_locked; > -- > 2.0.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Ville Syrjälä Intel OTC -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html