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path: root/drivers/gpu/drm/i915/intel_fbc.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_fbc.c')
-rw-r--r--drivers/gpu/drm/i915/intel_fbc.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index 74d425c700ef..f23570c44323 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -84,7 +84,7 @@ static int intel_fbc_calculate_cfb_size(struct drm_i915_private *dev_priv,
int lines;
intel_fbc_get_plane_source_size(cache, NULL, &lines);
- if (INTEL_GEN(dev_priv) == 7)
+ if (IS_GEN7(dev_priv))
lines = min(lines, 2048);
else if (INTEL_GEN(dev_priv) >= 8)
lines = min(lines, 2560);
@@ -674,6 +674,8 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
cache->plane.adjusted_y = plane_state->color_plane[0].y;
cache->plane.y = plane_state->base.src.y1 >> 16;
+ cache->plane.pixel_blend_mode = plane_state->base.pixel_blend_mode;
+
if (!cache->plane.visible)
return;
@@ -748,6 +750,12 @@ static bool intel_fbc_can_activate(struct intel_crtc *crtc)
return false;
}
+ if (cache->plane.pixel_blend_mode != DRM_MODE_BLEND_PIXEL_NONE &&
+ cache->fb.format->has_alpha) {
+ fbc->no_fbc_reason = "per-pixel alpha blending is incompatible with FBC";
+ return false;
+ }
+
/* WaFbcExceedCdClockThreshold:hsw,bdw */
if ((IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) &&
cache->crtc.hsw_bdw_pixel_rate >= dev_priv->cdclk.hw.cdclk * 95 / 100) {
@@ -1301,7 +1309,7 @@ void intel_fbc_init(struct drm_i915_private *dev_priv)
fbc->active = false;
if (need_fbc_vtd_wa(dev_priv))
- mkwrite_device_info(dev_priv)->has_fbc = false;
+ mkwrite_device_info(dev_priv)->display.has_fbc = false;
i915_modparams.enable_fbc = intel_sanitize_fbc_option(dev_priv);
DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n",