drm/i915: Prefer CRTC 'active' rather than 'enabled' during WM computations

Only the intel_crtc->active is accurate at the point where we wish to
perform WM computations, so use it instead of crtc->enabled.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index bfc4652..5835277 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -405,7 +405,7 @@ void intel_update_fbc(struct drm_device *dev)
         *   - going to an unsupported config (interlace, pixel multiply, etc.)
         */
        list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head) {
-               if (tmp_crtc->enabled &&
+               if (to_intel_crtc(tmp_crtc)->active &&
                    !to_intel_crtc(tmp_crtc)->primary_disabled &&
                    tmp_crtc->fb) {
                        if (crtc) {
@@ -992,7 +992,7 @@ static struct drm_crtc *single_enabled_crtc(struct drm_device *dev)
        struct drm_crtc *crtc, *enabled = NULL;
 
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-               if (crtc->enabled && crtc->fb) {
+               if (to_intel_crtc(crtc)->active && crtc->fb) {
                        if (enabled)
                                return NULL;
                        enabled = crtc;
@@ -1086,7 +1086,7 @@ static bool g4x_compute_wm0(struct drm_device *dev,
        int entries, tlb_miss;
 
        crtc = intel_get_crtc_for_plane(dev, plane);
-       if (crtc->fb == NULL || !crtc->enabled) {
+       if (crtc->fb == NULL || !to_intel_crtc(crtc)->active) {
                *cursor_wm = cursor->guard_size;
                *plane_wm = display->guard_size;
                return false;
@@ -1215,7 +1215,7 @@ static bool vlv_compute_drain_latency(struct drm_device *dev,
        int entries;
 
        crtc = intel_get_crtc_for_plane(dev, plane);
-       if (crtc->fb == NULL || !crtc->enabled)
+       if (crtc->fb == NULL || !to_intel_crtc(crtc)->active)
                return false;
 
        clock = crtc->mode.clock;       /* VESA DOT Clock */
@@ -1476,7 +1476,7 @@ static void i9xx_update_wm(struct drm_device *dev)
 
        fifo_size = dev_priv->display.get_fifo_size(dev, 0);
        crtc = intel_get_crtc_for_plane(dev, 0);
-       if (crtc->enabled && crtc->fb) {
+       if (to_intel_crtc(crtc)->active && crtc->fb) {
                int cpp = crtc->fb->bits_per_pixel / 8;
                if (IS_GEN2(dev))
                        cpp = 4;
@@ -1490,7 +1490,7 @@ static void i9xx_update_wm(struct drm_device *dev)
 
        fifo_size = dev_priv->display.get_fifo_size(dev, 1);
        crtc = intel_get_crtc_for_plane(dev, 1);
-       if (crtc->enabled && crtc->fb) {
+       if (to_intel_crtc(crtc)->active && crtc->fb) {
                int cpp = crtc->fb->bits_per_pixel / 8;
                if (IS_GEN2(dev))
                        cpp = 4;
@@ -2044,7 +2044,7 @@ sandybridge_compute_sprite_wm(struct drm_device *dev, int plane,
        int entries, tlb_miss;
 
        crtc = intel_get_crtc_for_plane(dev, plane);
-       if (crtc->fb == NULL || !crtc->enabled) {
+       if (crtc->fb == NULL || !to_intel_crtc(crtc)->active) {
                *sprite_wm = display->guard_size;
                return false;
        }