On Mon, May 18, 2020 at 03:23:02PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Dbuf slice tracking busted across runtime PM. Back to the
> drawing board.
>
> This reverts commit 0cde0e0ff5f5ebd27507069250728c763c14ac81.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 7 +++++++
> drivers/gpu/drm/i915/intel_pm.h | 1 +
> 2 files changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index a92d57d9b759..cb57786fdc9f 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4315,6 +4315,12 @@ void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc,
> intel_display_power_put(dev_priv, power_domain, wakeref);
> }
>
> +void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv)
> +{
> + dev_priv->dbuf.enabled_slices =
> + intel_enabled_dbuf_slices_mask(dev_priv);
> +}
> +
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
> /*
> * Determines the downscale amount of a plane for the purposes of watermark calculations.
> * The bspec defines downscale amount as:
> @@ -6175,6 +6181,7 @@ void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)
> struct intel_crtc *crtc;
> struct intel_crtc_state *crtc_state;
>
> + skl_ddb_get_hw_state(dev_priv);
> for_each_intel_crtc(&dev_priv->drm, crtc) {
> crtc_state = to_intel_crtc_state(crtc->base.state);
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h
> index 3fcc9b6e2cbf..9f75ac4c2bd1 100644
> --- a/drivers/gpu/drm/i915/intel_pm.h
> +++ b/drivers/gpu/drm/i915/intel_pm.h
> @@ -39,6 +39,7 @@ u8 intel_enabled_dbuf_slices_mask(struct drm_i915_private *dev_priv);
> void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc,
> struct skl_ddb_entry *ddb_y,
> struct skl_ddb_entry *ddb_uv);
> +void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv);
> void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
> struct skl_pipe_wm *out);
> void g4x_wm_sanitize(struct drm_i915_private *dev_priv);
> --
> 2.26.2
>
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