diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_fbc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fbc.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 8c8ead2276e0..8e3a05505f49 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -291,6 +291,19 @@ static void gen7_fbc_activate(struct drm_i915_private *dev_priv) u32 dpfc_ctl; int threshold = dev_priv->fbc.threshold; + /* Display WA #0529: skl, kbl, bxt. */ + if (IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv)) { + u32 val = I915_READ(CHICKEN_MISC_4); + + val &= ~(FBC_STRIDE_OVERRIDE | FBC_STRIDE_MASK); + + if (i915_gem_object_get_tiling(params->vma->obj) != + I915_TILING_X) + val |= FBC_STRIDE_OVERRIDE | params->gen9_wa_cfb_stride; + + I915_WRITE(CHICKEN_MISC_4, val); + } + dpfc_ctl = 0; if (IS_IVYBRIDGE(dev_priv)) dpfc_ctl |= IVB_DPFC_CTL_PLANE(params->crtc.plane); @@ -846,7 +859,7 @@ static bool intel_fbc_can_enable(struct drm_i915_private *dev_priv) return false; } - if (!i915.enable_fbc) { + if (!i915_modparams.enable_fbc) { fbc->no_fbc_reason = "disabled per module param or by default"; return false; } @@ -881,6 +894,10 @@ static void intel_fbc_get_reg_params(struct intel_crtc *crtc, params->fb.stride = cache->fb.stride; params->cfb_size = intel_fbc_calculate_cfb_size(dev_priv, cache); + + if (IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv)) + params->gen9_wa_cfb_stride = DIV_ROUND_UP(cache->plane.src_w, + 32 * fbc->threshold) * 8; } static bool intel_fbc_reg_params_equal(struct intel_fbc_reg_params *params1, @@ -1293,8 +1310,8 @@ void intel_fbc_init_pipe_state(struct drm_i915_private *dev_priv) */ static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv) { - if (i915.enable_fbc >= 0) - return !!i915.enable_fbc; + if (i915_modparams.enable_fbc >= 0) + return !!i915_modparams.enable_fbc; if (!HAS_FBC(dev_priv)) return 0; @@ -1338,8 +1355,9 @@ void intel_fbc_init(struct drm_i915_private *dev_priv) if (need_fbc_vtd_wa(dev_priv)) mkwrite_device_info(dev_priv)->has_fbc = false; - i915.enable_fbc = intel_sanitize_fbc_option(dev_priv); - DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n", i915.enable_fbc); + i915_modparams.enable_fbc = intel_sanitize_fbc_option(dev_priv); + DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n", + i915_modparams.enable_fbc); if (!HAS_FBC(dev_priv)) { fbc->no_fbc_reason = "unsupported by this chipset"; |