[J/OEM-5.14] [PATCH 02/11] drm/i915: Nuke ORIGIN_GTT

[Kai-Heng Feng]

From: José Roberto de Souza <jose.souza at intel.com>

BugLink: https://bugs.launchpad.net/bugs/1978252

There is no users of it, so no need to keep handling for it.

Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210815014346.373945-2-jose.souza@intel.com
(cherry picked from commit bbaafe536c840d962870d33572d3d5f9051550f3)
Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
---
 drivers/gpu/drm/i915/display/intel_fbc.c         | 10 +---------
 drivers/gpu/drm/i915/display/intel_frontbuffer.h |  3 +--
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index ddfc17e21668a..e4d412d395c34 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -1129,7 +1129,7 @@ void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
 	if (!HAS_FBC(dev_priv))
 		return;
 
-	if (origin == ORIGIN_GTT || origin == ORIGIN_FLIP)
+	if (origin == ORIGIN_FLIP)
 		return;
 
 	mutex_lock(&fbc->lock);
@@ -1150,14 +1150,6 @@ void intel_fbc_flush(struct drm_i915_private *dev_priv,
 	if (!HAS_FBC(dev_priv))
 		return;
 
-	/*
-	 * GTT tracking does not nuke the entire cfb
-	 * so don't clear busy_bits set for some other
-	 * reason.
-	 */
-	if (origin == ORIGIN_GTT)
-		return;
-
 	mutex_lock(&fbc->lock);
 
 	fbc->busy_bits &= ~frontbuffer_bits;
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.h b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
index 6d41f53944250..4b977c1e4d52b 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.h
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.h
@@ -33,8 +33,7 @@
 struct drm_i915_private;
 
 enum fb_op_origin {
-	ORIGIN_GTT,
-	ORIGIN_CPU,
+	ORIGIN_CPU = 0,
 	ORIGIN_CS,
 	ORIGIN_FLIP,
 	ORIGIN_DIRTYFB,
-- 
2.36.1