[PATCH] drm/i915: Remove duplicated intel_fbc_update calls.

[PATCH] drm/i915: Remove duplicated intel_fbc_update calls.

[Rodrigo Vivi]

With frontbuffer tracking taking care of fbc
we were duplicating fbc update call  on these cases here.

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 12 ------------
 drivers/gpu/drm/i915/intel_drv.h     |  1 -
 2 files changed, 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2d3c9d8..f099563 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4335,10 +4335,6 @@ static void intel_crtc_enable_planes(struct drm_crtc *crtc)
 
 	hsw_enable_ips(intel_crtc);
 
-	mutex_lock(&dev->struct_mutex);
-	intel_fbc_update(dev);
-	mutex_unlock(&dev->struct_mutex);
-
 	/*
 	 * FIXME: Once we grow proper nuclear flip support out of this we need
 	 * to compute the mask of flip planes precisely. For the time being
@@ -12068,8 +12064,6 @@ intel_check_primary_plane(struct drm_plane *plane,
 		intel_crtc->atomic.fb_bits |=
 			INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe);
 
-		intel_crtc->atomic.update_fbc = true;
-
 		/* Update watermarks on tiling changes. */
 		if (!plane->state->fb || !state->base.fb ||
 		    plane->state->fb->modifier[0] !=
@@ -12196,12 +12190,6 @@ static void intel_finish_crtc_commit(struct drm_crtc *crtc)
 
 	intel_frontbuffer_flip(dev, intel_crtc->atomic.fb_bits);
 
-	if (intel_crtc->atomic.update_fbc) {
-		mutex_lock(&dev->struct_mutex);
-		intel_fbc_update(dev);
-		mutex_unlock(&dev->struct_mutex);
-	}
-
 	if (intel_crtc->atomic.post_enable_primary)
 		intel_post_enable_primary(crtc);
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 9477e96..a15b6ef 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -433,7 +433,6 @@ struct intel_crtc_atomic_commit {
 	/* Sleepable operations to perform after commit */
 	unsigned fb_bits;
 	bool wait_vblank;
-	bool update_fbc;
 	bool post_enable_primary;
 	unsigned update_sprite_watermarks;
 };
-- 
2.1.0

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Re: [PATCH] drm/i915: Remove duplicated intel_fbc_update calls.

[shuang.he]

Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com)
Task id: 6034
-------------------------------------Summary-------------------------------------
Platform          Delta          drm-intel-nightly          Series Applied
PNV                                  275/275              275/275
ILK                                  303/303              303/303
SNB                                  304/304              304/304
IVB                 -1              339/339              338/339
BYT                                  287/287              287/287
HSW                                  361/361              361/361
BDW                                  310/310              310/310
-------------------------------------Detailed-------------------------------------
Platform  Test                                drm-intel-nightly          Series Applied
*IVB  igt@gem_userptr_blits@minor-sync-interruptible      PASS(2)      DMESG_WARN(1)PASS(1)
Note: You need to pay more attention to line start with '*'
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