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drm/i915: Check for all subplatform bits

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Current code is checking only 2 bits in the subplatform, but actually 3
bits are allocated for the field. Check all 3 bits.

Fixes: 805446c834 ("drm/i915: Introduce concept of a sub-platform")
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20210121161936.746591-1-tvrtko.ursulin@linux.intel.com
(cherry picked from commit 27b695ee1af9bb36605e67055874ec081306ac28)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Umesh Nerlige Ramappa 2021-01-21 16:19:35 +00:00 committed by Jani Nikula
parent a2a5f5628e
commit 8f6d08c9af
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_drv.h
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@ -1346,7 +1346,7 @@ intel_subplatform(const struct intel_runtime_info *info, enum intel_platform p)
{
const unsigned int pi = __platform_mask_index(info, p);
return info->platform_mask[pi] & INTEL_SUBPLATFORM_BITS;
return info->platform_mask[pi] & ((1 << INTEL_SUBPLATFORM_BITS) - 1);
}
static __always_inline bool