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drm/i915/display/mtl: Extend MBUS programming

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Display version 14 also supports MBUS joining just like ADL-P
and also it does not need MBUS initialization, so extending ADL-P
code paths to display version 14 and higher.

Bspec: 49213

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220818234202.451742-20-radhakrishna.sripada@intel.com
This commit is contained in:
José Roberto de Souza 2022-08-18 16:42:00 -07:00 committed by Radhakrishna Sripada
parent 3d46edeec2
commit f02c7d5a8f
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/i915/display/intel_display_power.c
View File

@ -1102,7 +1102,7 @@ static void icl_mbus_init(struct drm_i915_private *dev_priv)
unsigned long abox_regs = INTEL_INFO(dev_priv)->display.abox_mask;
u32 mask, val, i;
if (IS_ALDERLAKE_P(dev_priv))
if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14)
return;
mask = MBUS_ABOX_BT_CREDIT_POOL1_MASK |

2
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1358,7 +1358,7 @@ 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))
#define HAS_MBUS_JOINING(i915) (IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14)
#define HAS_3D_PIPELINE(i915) (INTEL_INFO(i915)->has_3d_pipeline)