diff options
| author | Zhi Wang <[email protected]> | 2017-09-18 21:36:34 +0800 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2017-09-18 16:02:51 +0100 |
| commit | 1298d51c44fddcb609ea6c9fa37b76028593963b (patch) | |
| tree | 5f8e776f9807075e997704e2b2ab224d69689cb3 | |
| parent | ee427e259567bc9ba817ddfa5abaf7033f5603e9 (diff) | |
drm/i915: Return the correct score in i915_ppat_get()
The cache attribute of the required entry has to be the same with the
existing value. After this requirement is met, the futher comparison
should be performed. After this fix, the refined test case can pass.
v2:
- Refine the tittle and comments. (Rodrigo)
Fixes: 4395890a4855 ("drm/i915: Introduce private PAT management")
Cc: Chris Wilson <[email protected]>
Cc: Ben Widawsky <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Signed-off-by: Zhi Wang <[email protected]>
Reviewed-by: Joonas Lahtinen <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Chris Wilson <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 729ebaf29b71..37cd0860fc29 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2965,7 +2965,7 @@ static unsigned int bdw_private_pat_match(u8 src, u8 dst) }; /* Cache attribute has to be matched. */ - if (GEN8_PPAT_GET_CA(src) == GEN8_PPAT_GET_CA(dst)) + if (GEN8_PPAT_GET_CA(src) != GEN8_PPAT_GET_CA(dst)) return 0; score |= CA_MATCH; |