Add DG2 Motherboard Down Config check support. BSpec: 44477 Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Signed-off-by: Anshuman Gupta <anshuman.gupta@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_opregion.c | 2 ++ drivers/gpu/drm/i915/i915_drv.h | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c index 3dcd54517b89..dec7628522c5 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.c +++ b/drivers/gpu/drm/i915/display/intel_opregion.c @@ -1271,6 +1271,8 @@ intel_opregion_vram_sr_required(struct drm_i915_private *i915) if (IS_DG1(i915)) return intel_opregion_dg1_mbd_config(i915); + else if (IS_DG2_MBD(i915)) + return true; return false; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 10f273800645..c5ecc490dced 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1071,6 +1071,15 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G11) #define IS_DG2_G12(dev_priv) \ IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G12) +/* + * FIXME: Need to define a new SUBPLATFORM INTEL_SUBPLATFORM_DG2_MBD + * for PCI id range 5690..5695, but G10, G11 SUBPLATFROM conflicts + * with those pci id range. + */ +#define DG2_MBD_CONFIG_MASK GENMASK(7, 4) +#define DG2_MBD_CONFIG_VAL FIELD_PREP(DG2_MBD_CONFIG_MASK, 9) +#define IS_DG2_MBD(dev_priv) (IS_DG2(dev_priv) && \ + (INTEL_DEVID(dev_priv) & DG2_MBD_CONFIG_MASK) == DG2_MBD_CONFIG_VAL) #define IS_ADLS_RPLS(dev_priv) \ IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_S, INTEL_SUBPLATFORM_RPL) #define IS_ADLP_N(dev_priv) \ -- 2.26.2
