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-rw-r--r--drivers/gpu/drm/i915/display/intel_fbc.c42
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 8bde3681b96e..6368dddf977c 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -142,6 +142,27 @@ static unsigned int intel_fbc_cfb_size(struct intel_fbc *fbc,
return lines * intel_fbc_cfb_stride(fbc, cache);
}
+static u16 intel_fbc_override_cfb_stride(struct intel_fbc *fbc,
+ const struct intel_fbc_state_cache *cache)
+{
+ unsigned int stride = _intel_fbc_cfb_stride(cache);
+ unsigned int stride_aligned = intel_fbc_cfb_stride(fbc, cache);
+
+ /*
+ * Override stride in 64 byte units per 4 line segment.
+ *
+ * Gen9 hw miscalculates cfb stride for linear as
+ * PLANE_STRIDE*512 instead of PLANE_STRIDE*64, so
+ * we always need to use the override there.
+ */
+ if (stride != stride_aligned ||
+ (DISPLAY_VER(fbc->i915) == 9 &&
+ cache->fb.modifier == DRM_FORMAT_MOD_LINEAR))
+ return stride_aligned * 4 / 64;
+
+ return 0;
+}
+
static u32 i8xx_fbc_ctl(struct intel_fbc *fbc)
{
const struct intel_fbc_reg_params *params = &fbc->params;
@@ -950,27 +971,6 @@ static bool intel_fbc_cfb_size_changed(struct intel_fbc *fbc)
fbc->compressed_fb.size * fbc->limit;
}
-static u16 intel_fbc_override_cfb_stride(struct intel_fbc *fbc,
- const struct intel_fbc_state_cache *cache)
-{
- unsigned int stride = _intel_fbc_cfb_stride(cache);
- unsigned int stride_aligned = intel_fbc_cfb_stride(fbc, cache);
-
- /*
- * Override stride in 64 byte units per 4 line segment.
- *
- * Gen9 hw miscalculates cfb stride for linear as
- * PLANE_STRIDE*512 instead of PLANE_STRIDE*64, so
- * we always need to use the override there.
- */
- if (stride != stride_aligned ||
- (DISPLAY_VER(fbc->i915) == 9 &&
- cache->fb.modifier == DRM_FORMAT_MOD_LINEAR))
- return stride_aligned * 4 / 64;
-
- return 0;
-}
-
static bool intel_fbc_can_enable(struct intel_fbc *fbc)
{
struct drm_i915_private *i915 = fbc->i915;