Right now, we get a warning when taking over the firmware fb: [drm:drm_atomic_plane_check] FB set but no CRTC
with the following backtrace: [<ffffffffa010339d>] drm_atomic_check_only+0x35d/0x510 [drm] [<ffffffffa0103567>] drm_atomic_commit+0x17/0x60 [drm] [<ffffffffa00a6ccd>] drm_atomic_helper_plane_set_property+0x8d/0xd0 [drm_kms_helper] [<ffffffffa00f1fed>] drm_mode_plane_set_obj_prop+0x2d/0x90 [drm] [<ffffffffa00a8a1b>] restore_fbdev_mode+0x6b/0xf0 [drm_kms_helper] [<ffffffffa00aa969>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper] [<ffffffffa00aa9e2>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper] [<ffffffffa050a71a>] intel_fbdev_set_par+0x1a/0x60 [i915] [<ffffffff813ad444>] fbcon_init+0x4f4/0x580 That's because we update the plane state with the fb from the firmware, but we never associate the plane to that CRTC. We don't quite have the full DRM take over from HW state just yet, so fake enough of the plane atomic state to pass the checks. Signed-off-by: Damien Lespiau <[email protected]> --- drivers/gpu/drm/i915/intel_display.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0d07535..eed1c0c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2439,8 +2439,12 @@ intel_find_plane_obj(struct intel_crtc *intel_crtc, return; if (intel_alloc_plane_obj(intel_crtc, plane_config)) { - intel_crtc->base.primary->fb = &plane_config->fb->base; - update_state_fb(intel_crtc->base.primary); + struct drm_plane *primary = intel_crtc->base.primary; + + primary->fb = &plane_config->fb->base; + primary->state->crtc = &intel_crtc->base; + update_state_fb(primary); + return; } @@ -2469,6 +2473,7 @@ intel_find_plane_obj(struct intel_crtc *intel_crtc, drm_framebuffer_reference(c->primary->fb); intel_crtc->base.primary->fb = c->primary->fb; + c->state->crtc = &intel_crtc->base; update_state_fb(intel_crtc->base.primary); obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); break; -- 1.8.3.1 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
