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authorVille Syrjälä <ville.syrjala@linux.intel.com>2021-10-14 12:09:40 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2021-10-18 12:45:19 +0300
commit9ced12182d0d8401d821e9602e56e276459900fc (patch)
tree9d3e57e40ff8417c0fcfced9bf4276193fafd51b /drivers/gpu/drm/i915
parentdrm/i915: Convert unconditional clflush to drm_clflush_virt_range() (diff)
downloadlinux-dev-9ced12182d0d8401d821e9602e56e276459900fc.tar.xz
linux-dev-9ced12182d0d8401d821e9602e56e276459900fc.zip
drm/i915: Catch yet another unconditioal clflush
Replace the unconditional clflush() with drm_clflush_virt_range() which does the wbinvd() fallback when clflush is not available. This time no justification is given for the clflush in the offending commit. Cc: stable@vger.kernel.org Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Fixes: 2c8ab3339e39 ("drm/i915: Pin timeline map after first timeline pin, v4.") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211014090941.12159-4-ville.syrjala@linux.intel.com Reviewed-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_timeline.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c
index 23d7328892ed..438bbc7b8147 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.c
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.c
@@ -64,7 +64,7 @@ intel_timeline_pin_map(struct intel_timeline *timeline)
timeline->hwsp_map = vaddr;
timeline->hwsp_seqno = memset(vaddr + ofs, 0, TIMELINE_SEQNO_BYTES);
- clflush(vaddr + ofs);
+ drm_clflush_virt_range(vaddr + ofs, TIMELINE_SEQNO_BYTES);
return 0;
}