On Sat, Oct 02, 2021 at 11:45:41AM -0400, Sean Paul wrote:
> From: Sean Paul <seanp...@chromium.org>
>
> This reverts commit 399190e70816886e2bca1f3f3bc3d9c544af88e7.
>
> This patchset breaks on intel platforms and was previously NACK'd by
> Ville.
>
> Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
> Cc: Fernando Ramos <green...@u92.eu>
> Signed-off-by: Sean Paul <seanp...@chromium.org>
Yeah, best to try again from the start I think.
For the series
Acked-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> 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
--
Ville Syrjälä
Intel
