The force restore path relies on the staged config to preserve the configuration used before a suspend/resume cycle. The update done to it in intel_modeset_fixup_state() would cause that information to be lost after the first modeset, making it impossible to restore the modes for pipes B and C.
References: https://bugs.freedesktop.org/show_bug.cgi?id=90468 Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.olive...@intel.com> Reviewed-by: Matt Roper <matthew.d.ro...@intel.com> --- drivers/gpu/drm/i915/intel_display.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index bcf1041..ff7175b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11386,10 +11386,6 @@ static void intel_modeset_fixup_state(struct drm_atomic_state *state) crtc->base.enabled = crtc->base.state->enable; crtc->config = to_intel_crtc_state(crtc->base.state); } - - /* Copy the new configuration to the staged state, to keep the few - * pieces of code that haven't been converted yet happy */ - intel_modeset_update_staged_output_state(state->dev); } static void @@ -12654,8 +12650,10 @@ static int intel_set_mode_with_config(struct drm_crtc *crtc, ret = __intel_set_mode(crtc, pipe_config); - if (ret == 0 && force_restore) + if (ret == 0 && force_restore) { + intel_modeset_update_staged_output_state(crtc->dev); intel_modeset_check_state(crtc->dev); + } return ret; } -- 2.1.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
