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drm/i915/display: Add HAS_MBUS_JOINING

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This will make easy to extend MBUS joining support to future platforms
that also supports this feature.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331184152.1086943-1-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2022-03-31 11:41:52 -07:00
parent 9c67d9e84c
commit aeb9f0a4a3
2 changed files with 5 additions and 3 deletions
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2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1364,6 +1364,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
#define HAS_D12_PLANE_MINIMIZATION(dev_priv) (IS_ROCKETLAKE(dev_priv) || \
IS_ALDERLAKE_S(dev_priv))
#define HAS_MBUS_JOINING(i915) (IS_ALDERLAKE_P(i915))
/* i915_gem.c */
void i915_gem_init_early(struct drm_i915_private *dev_priv);
void i915_gem_cleanup_early(struct drm_i915_private *dev_priv);

6
drivers/gpu/drm/i915/intel_pm.c
View File

@ -6038,7 +6038,7 @@ skl_compute_ddb(struct intel_atomic_state *state)
return ret;
}
if (IS_ALDERLAKE_P(dev_priv))
if (HAS_MBUS_JOINING(dev_priv))
new_dbuf_state->joined_mbus =
adlp_check_mbus_joined(new_dbuf_state->active_pipes);
@ -6530,7 +6530,7 @@ void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)
to_intel_dbuf_state(dev_priv->dbuf.obj.state);
struct intel_crtc *crtc;
if (IS_ALDERLAKE_P(dev_priv))
if (HAS_MBUS_JOINING(dev_priv))
dbuf_state->joined_mbus = intel_de_read(dev_priv, MBUS_CTL) & MBUS_JOIN;
for_each_intel_crtc(&dev_priv->drm, crtc) {
@ -8192,7 +8192,7 @@ static void update_mbus_pre_enable(struct intel_atomic_state *state)
const struct intel_dbuf_state *dbuf_state =
intel_atomic_get_new_dbuf_state(state);
if (!IS_ALDERLAKE_P(dev_priv))
if (!HAS_MBUS_JOINING(dev_priv))
return;
/*