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drm/i915/selftests: Fix compare functions provided for sorting

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Both cmp_u32 and cmp_u64 are comparing the pointers instead of the value
at those pointers. This will result in incorrect/unsorted list. Fix it
by deferencing the pointers before comparison.

Fixes: 4ba74e53ad ("drm/i915/selftests: Verify frequency scaling with RPS")
Fixes: 8757797ff9 ("drm/i915/selftests: Repeat the rps clock frequency measurement")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.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/20200709154931.23310-1-sudeep.holla@arm.com
(cherry picked from commit 2196dfea89)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Sudeep Holla 2020-07-09 16:49:31 +01:00 committed by Jani Nikula
parent 11ba468877
commit 42de9b0a2b
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/i915/gt/selftest_rps.c
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@ -44,9 +44,9 @@ static int cmp_u64(const void *A, const void *B)
{
const u64 *a = A, *b = B;
if (a < b)
if (*a < *b)
return -1;
else if (a > b)
else if (*a > *b)
return 1;
else
return 0;
@ -56,9 +56,9 @@ static int cmp_u32(const void *A, const void *B)
{
const u32 *a = A, *b = B;
if (a < b)
if (*a < *b)
return -1;
else if (a > b)
else if (*a > *b)
return 1;
else
return 0;