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[14/22] drm/i915: Fix sprite_scaling_enabled for multiple sprites

Message ID 1352741580-12141-15-git-send-email-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ville Syrjala Nov. 12, 2012, 5:32 p.m. UTC 
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

We have more than one sprite, so a boolean simply won't cut it.
Turn sprite_scaling_enabled into a bitmask and track the state
of sprite scaler for each sprite independently.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h     |    2 +-
 drivers/gpu/drm/i915/intel_sprite.c |   11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 51b36c1..4cf0e15 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -473,7 +473,7 @@  typedef struct drm_i915_private {
 
 	/* overlay */
 	struct intel_overlay *overlay;
-	bool sprite_scaling_enabled;
+	unsigned int sprite_scaling_enabled;
 
 	/* LVDS info */
 	int backlight_level;  /* restore backlight to this value */
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 88fdd0d..97740ee 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -315,15 +315,16 @@  ivb_prepare_plane(struct drm_plane *plane)
 	 */
 	if (regs->scale & SPRITE_SCALE_ENABLE) {
 		if (!dev_priv->sprite_scaling_enabled) {
-			dev_priv->sprite_scaling_enabled = true;
+			dev_priv->sprite_scaling_enabled |= 1 << pipe;
 			intel_update_watermarks(dev);
 			intel_wait_for_vblank(dev, pipe);
 		}
 	} else {
-		if (dev_priv->sprite_scaling_enabled) {
-			dev_priv->sprite_scaling_enabled = false;
+		if (dev_priv->sprite_scaling_enabled & (1 << pipe)) {
+			dev_priv->sprite_scaling_enabled &= ~(1 << pipe);
 			/* potentially re-enable LP watermarks */
-			intel_update_watermarks(dev);
+			if (!dev_priv->sprite_scaling_enabled)
+				intel_update_watermarks(dev);
 		}
 	}
 }
@@ -359,7 +360,7 @@  ivb_disable_plane(struct drm_plane *plane)
 	ivb_commit_plane(plane);
 	POSTING_READ(SPRSURF(pipe));
 
-	dev_priv->sprite_scaling_enabled = false;
+	dev_priv->sprite_scaling_enabled &= ~(1 << pipe);
 	intel_update_watermarks(dev);
 }