In case we don't get an fb from the BIOS, we may still be able to re-use
existing state and flip a new buffer.
Jesse: Do we want a macro for "no mode set" or just a new check for
crtc->active here?
Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org>
---
drivers/gpu/drm/i915/intel_display.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 0f3c036..f24da1a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8109,10 +8109,8 @@ intel_set_config_compute_mode_changes(struct
drm_mode_set *set,
/* We should be able to check here if the fb has the same properties
* and then just flip_or_move it */
if (set->crtc->fb != set->fb) {
- /* If we have no fb then treat it as a full mode set */
if (set->crtc->fb == NULL) {
- DRM_DEBUG_KMS("crtc has no fb, full mode set\n");
- config->mode_changed = true;
+ config->fb_changed = true;
} else if (set->fb == NULL) {
config->mode_changed = true;
} else if (set->fb->depth != set->crtc->fb->depth) {
--
1.7.9.5
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