From: Sean Paul <seanpaul@xxxxxxxxxxxx> This reverts commit 399190e70816886e2bca1f3f3bc3d9c544af88e7. This patchset breaks on intel platforms and was previously NACK'd by Ville. Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Cc: Fernando Ramos <greenfoo@xxxxxx> Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_display.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 2bf01416d656..134a6acbd8fb 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -43,7 +43,6 @@ #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> #include <drm/drm_rect.h> -#include <drm/drm_drv.h> #include "display/intel_audio.h" #include "display/intel_crt.h" @@ -13477,13 +13476,22 @@ void intel_display_resume(struct drm_device *dev) if (state) state->acquire_ctx = &ctx; - DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); + drm_modeset_acquire_init(&ctx, 0); - ret = __intel_display_resume(dev, state, &ctx); + while (1) { + ret = drm_modeset_lock_all_ctx(dev, &ctx); + if (ret != -EDEADLK) + break; - intel_enable_ipc(dev_priv); + drm_modeset_backoff(&ctx); + } + + if (!ret) + ret = __intel_display_resume(dev, state, &ctx); - DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); + intel_enable_ipc(dev_priv); + drm_modeset_drop_locks(&ctx); + drm_modeset_acquire_fini(&ctx); if (ret) drm_err(&dev_priv->drm, -- Sean Paul, Software Engineer, Google / Chromium OS