diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_stolen.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_stolen.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 055f8687776d..53440bf87650 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -344,6 +344,35 @@ static void bdw_get_stolen_reserved(struct drm_i915_private *dev_priv, *size = stolen_top - *base; } +static void icl_get_stolen_reserved(struct drm_i915_private *dev_priv, + resource_size_t *base, + resource_size_t *size) +{ + u64 reg_val = I915_READ64(GEN6_STOLEN_RESERVED); + + DRM_DEBUG_DRIVER("GEN6_STOLEN_RESERVED = 0x%016llx\n", reg_val); + + *base = reg_val & GEN11_STOLEN_RESERVED_ADDR_MASK; + + switch (reg_val & GEN8_STOLEN_RESERVED_SIZE_MASK) { + case GEN8_STOLEN_RESERVED_1M: + *size = 1024 * 1024; + break; + case GEN8_STOLEN_RESERVED_2M: + *size = 2 * 1024 * 1024; + break; + case GEN8_STOLEN_RESERVED_4M: + *size = 4 * 1024 * 1024; + break; + case GEN8_STOLEN_RESERVED_8M: + *size = 8 * 1024 * 1024; + break; + default: + *size = 8 * 1024 * 1024; + MISSING_CASE(reg_val & GEN8_STOLEN_RESERVED_SIZE_MASK); + } +} + int i915_gem_init_stolen(struct drm_i915_private *dev_priv) { resource_size_t reserved_base, stolen_top; @@ -400,7 +429,9 @@ int i915_gem_init_stolen(struct drm_i915_private *dev_priv) gen7_get_stolen_reserved(dev_priv, &reserved_base, &reserved_size); break; - default: + case 8: + case 9: + case 10: if (IS_LP(dev_priv)) chv_get_stolen_reserved(dev_priv, &reserved_base, &reserved_size); @@ -408,6 +439,11 @@ int i915_gem_init_stolen(struct drm_i915_private *dev_priv) bdw_get_stolen_reserved(dev_priv, &reserved_base, &reserved_size); break; + case 11: + default: + icl_get_stolen_reserved(dev_priv, &reserved_base, + &reserved_size); + break; } /* |