* Patch "drm/i915: Fix rsvd2 mask when out-fence is returned" has been added to the 4.15-stable tree
@ 2018-03-12 15:43 gregkh
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From: gregkh @ 2018-03-12 15:43 UTC (permalink / raw
To: daniele.ceraolospurio, chris, gregkh, rodrigo.vivi, stable
Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
drm/i915: Fix rsvd2 mask when out-fence is returned
to the 4.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-fix-rsvd2-mask-when-out-fence-is-returned.patch
and it can be found in the queue-4.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From b1b13780ab06ef8c770dd9cbe31dac549a11630e Mon Sep 17 00:00:00 2001
From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Date: Wed, 14 Feb 2018 11:18:25 -0800
Subject: drm/i915: Fix rsvd2 mask when out-fence is returned
From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
commit b1b13780ab06ef8c770dd9cbe31dac549a11630e upstream.
GENMASK_ULL wants the high bit of the mask first. The current value
cancels the in-fence when an out-fence is returned.
Fixes: fec0445caa273 ("drm/i915: Support explicit fencing for execbuf")
Testcase: igt/gem_exec_fence/keep-in-fence*
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180214191827.8465-1-daniele.ceraolospurio@intel.com
Cc: <stable@vger.kernel.org> # v4.12+
(cherry picked from commit b6a88e4a804cf5a71159906e16df2c1fc7196f92)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -2419,7 +2419,7 @@ err_request:
if (out_fence) {
if (err == 0) {
fd_install(out_fence_fd, out_fence->file);
- args->rsvd2 &= GENMASK_ULL(0, 31); /* keep in-fence */
+ args->rsvd2 &= GENMASK_ULL(31, 0); /* keep in-fence */
args->rsvd2 |= (u64)out_fence_fd << 32;
out_fence_fd = -1;
} else {
Patches currently in stable-queue which might be from daniele.ceraolospurio@intel.com are
queue-4.15/drm-i915-fix-rsvd2-mask-when-out-fence-is-returned.patch
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2018-03-12 15:43 Patch "drm/i915: Fix rsvd2 mask when out-fence is returned" has been added to the 4.15-stable tree gregkh
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