dab5a44067
n As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
29 lines
1,023 B
Diff
29 lines
1,023 B
Diff
From 778bdac35c6979233dd6384dfba01eaa2a4b982b Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Tue, 26 Jul 2016 13:47:13 -0700
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Subject: [PATCH] drm/vc4: Free hang state before destroying BO cache.
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The BO cache will complain if BOs are still allocated when we try to
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destroy it (since freeing those BOs would try to hit the cache). You
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could hit this if you were to unload the module after a GPU hang.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Fixes: 214613656b51 ("drm/vc4: Add an interface for capturing the GPU state after a hang.")
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(cherry picked from commit def96527707e1978a0c88e75d13b082f51460d5c)
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---
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drivers/gpu/drm/vc4/vc4_gem.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_gem.c
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+++ b/drivers/gpu/drm/vc4/vc4_gem.c
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@@ -968,8 +968,8 @@ vc4_gem_destroy(struct drm_device *dev)
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vc4->overflow_mem = NULL;
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}
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- vc4_bo_cache_destroy(dev);
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-
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if (vc4->hang_state)
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vc4_free_hang_state(dev, vc4->hang_state);
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+
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+ vc4_bo_cache_destroy(dev);
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}
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