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authorUmesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>2023-06-05 22:39:23 +0300
committerUmesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>2023-06-07 22:55:11 +0300
commit589f4924e815559282e7c9f2854cd6b53ee9d6af (patch)
treecc6b17e46a87a61dcfd59d093ffca0b83203b0ed /drivers/gpu/drm/i915/i915_perf.c
parent9cc31938d4586f72eb8e0235ad9d9eb22496fcee (diff)
downloadlinux-589f4924e815559282e7c9f2854cd6b53ee9d6af.tar.xz
i915/perf: Do not add ggtt offset to hw_tail
ggtt offset for hw_tail is not required for the calculations, so drop it. Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230605193923.1836048-3-umesh.nerlige.ramappa@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_perf.c')
-rw-r--r--drivers/gpu/drm/i915/i915_perf.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index a8d43bf1f6d5..0a111b281578 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -565,7 +565,7 @@ static bool oa_buffer_check_unlocked(struct i915_perf_stream *stream)
partial_report_size %= report_size;
/* Subtract partial amount off the tail */
- hw_tail = gtt_offset + OA_TAKEN(hw_tail, partial_report_size);
+ hw_tail = OA_TAKEN(hw_tail, partial_report_size);
/* NB: The head we observe here might effectively be a little
* out of date. If a read() is in progress, the head could be
@@ -574,7 +574,6 @@ static bool oa_buffer_check_unlocked(struct i915_perf_stream *stream)
head = stream->oa_buffer.head - gtt_offset;
read_tail = stream->oa_buffer.tail - gtt_offset;
- hw_tail -= gtt_offset;
tail = hw_tail;
/* Walk the stream backward until we find a report with report