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Date: Tue, 15 Jan 2013 14:44:38 -0800 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, alan@...rguk.ukuu.org.uk, Chris Wilson <chris@...is-wilson.co.uk>, Jesse Barnes <jbarnes@...tuousgeek.org>, Daniel Vetter <daniel.vetter@...ll.ch>, Julien Cristau <jcristau@...ian.org> Subject: [ 113/171] drm/i915: Unpin the flip target if we fail to queue the flip 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chris Wilson <chris@...is-wilson.co.uk> commit 83d4092b0381e5dd6f312b2ec57121dcf0fcbade upstream. Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk> Cc: Jesse Barnes <jbarnes@...tuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@...ll.ch> Signed-off-by: Julien Cristau <jcristau@...ian.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/gpu/drm/i915/intel_display.c | 50 ++++++++++++++++++++++++----------- 1 file changed, 35 insertions(+), 15 deletions(-) --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7313,14 +7313,14 @@ static int intel_gen2_queue_flip(struct ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv)); if (ret) - goto out; + goto err; /* Offset into the new buffer for cases of shared fbs between CRTCs */ offset = crtc->y * fb->pitches[0] + crtc->x * fb->bits_per_pixel/8; ret = BEGIN_LP_RING(6); if (ret) - goto out; + goto err_unpin; /* Can't queue multiple flips, so wait for the previous * one to finish before executing the next. @@ -7337,7 +7337,11 @@ static int intel_gen2_queue_flip(struct OUT_RING(obj->gtt_offset + offset); OUT_RING(0); /* aux display base address, unused */ ADVANCE_LP_RING(); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -7354,14 +7358,14 @@ static int intel_gen3_queue_flip(struct ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv)); if (ret) - goto out; + goto err; /* Offset into the new buffer for cases of shared fbs between CRTCs */ offset = crtc->y * fb->pitches[0] + crtc->x * fb->bits_per_pixel/8; ret = BEGIN_LP_RING(6); if (ret) - goto out; + goto err_unpin; if (intel_crtc->plane) flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; @@ -7376,7 +7380,11 @@ static int intel_gen3_queue_flip(struct OUT_RING(MI_NOOP); ADVANCE_LP_RING(); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -7392,11 +7400,11 @@ static int intel_gen4_queue_flip(struct ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv)); if (ret) - goto out; + goto err; ret = BEGIN_LP_RING(4); if (ret) - goto out; + goto err_unpin; /* i965+ uses the linear or tiled offsets from the * Display Registers (which do not change across a page-flip) @@ -7415,7 +7423,11 @@ static int intel_gen4_queue_flip(struct pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; OUT_RING(pf | pipesrc); ADVANCE_LP_RING(); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -7431,11 +7443,11 @@ static int intel_gen6_queue_flip(struct ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv)); if (ret) - goto out; + goto err; ret = BEGIN_LP_RING(4); if (ret) - goto out; + goto err_unpin; OUT_RING(MI_DISPLAY_FLIP | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); @@ -7452,7 +7464,11 @@ static int intel_gen6_queue_flip(struct pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; OUT_RING(pf | pipesrc); ADVANCE_LP_RING(); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -7474,18 +7490,22 @@ static int intel_gen7_queue_flip(struct ret = intel_pin_and_fence_fb_obj(dev, obj, ring); if (ret) - goto out; + goto err; ret = intel_ring_begin(ring, 4); if (ret) - goto out; + goto err_unpin; intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | (intel_crtc->plane << 19)); intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); intel_ring_emit(ring, (obj->gtt_offset)); intel_ring_emit(ring, (MI_NOOP)); intel_ring_advance(ring); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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