From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Pull the code to locate the other active crtc out from
haswell_mode_set_planes_workaround() into a separate function.
This will have another use later.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 33 +++++++++++++++++++++------------
1 file changed, 21 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 29f9d33..ad36749 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3622,6 +3622,26 @@ static void ilk_crtc_disable_planes(struct drm_crtc *crtc)
drm_vblank_off(dev, pipe);
}
+static struct intel_crtc *get_other_active_crtc(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct intel_crtc *crtc_it, *other_active_crtc = NULL;
+
+ /* We want to get the other_active_crtc only if there's only 1 other
+ * active crtc. */
+ list_for_each_entry(crtc_it, &dev->mode_config.crtc_list, base.head) {
+ if (!crtc_it->active || crtc_it == crtc)
+ continue;
+
+ if (other_active_crtc)
+ return NULL;
+
+ other_active_crtc = crtc_it;
+ }
+
+ return other_active_crtc;
+}
+
static void ironlake_crtc_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
@@ -3701,19 +3721,8 @@ static bool hsw_crtc_supports_ips(struct intel_crtc *crtc)
static void haswell_mode_set_planes_workaround(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
- struct intel_crtc *crtc_it, *other_active_crtc = NULL;
-
- /* We want to get the other_active_crtc only if there's only 1 other
- * active crtc. */
- list_for_each_entry(crtc_it, &dev->mode_config.crtc_list, base.head) {
- if (!crtc_it->active || crtc_it == crtc)
- continue;
+ struct intel_crtc *other_active_crtc = get_other_active_crtc(crtc);
- if (other_active_crtc)
- return;
-
- other_active_crtc = crtc_it;
- }
if (!other_active_crtc)
return;
--
1.8.3.2
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