These things can't change without a full modeset.
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/i915/intel_fbc.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index 48d8cfc..af22bc8 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -815,7 +815,6 @@ static void __intel_fbc_update(struct intel_crtc *crtc)
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
struct drm_framebuffer *fb;
struct drm_i915_gem_object *obj;
- const struct drm_display_mode *adjusted_mode;
WARN_ON(!mutex_is_locked(&dev_priv->fbc.lock));
@@ -834,13 +833,6 @@ static void __intel_fbc_update(struct intel_crtc *crtc)
fb = crtc->base.primary->fb;
obj = intel_fb_obj(fb);
- adjusted_mode = &crtc->config->base.adjusted_mode;
-
- if ((adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) ||
- (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)) {
- set_no_fbc_reason(dev_priv, "incompatible mode");
- goto out_disable;
- }
if (!intel_fbc_hw_tracking_covers_screen(crtc)) {
set_no_fbc_reason(dev_priv, "mode too large for compression");
@@ -1065,6 +1057,8 @@ void intel_fbc_flip_prepare(struct drm_i915_private
*dev_priv,
void intel_fbc_enable(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+ const struct drm_display_mode *adjusted_mode =
+ &crtc->config->base.adjusted_mode;
if (!fbc_supported(dev_priv))
return;
@@ -1099,6 +1093,12 @@ void intel_fbc_enable(struct intel_crtc *crtc)
goto out;
}
+ if ((adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) ||
+ (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)) {
+ set_no_fbc_reason(dev_priv, "incompatible mode");
+ goto out;
+ }
+
if (intel_fbc_alloc_cfb(crtc)) {
set_no_fbc_reason(dev_priv, "not enough stolen memory");
goto out;
--
2.6.1
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