On 20/01/2021 01:21, Umesh Nerlige Ramappa wrote:
Current code is checking only 2 bits in the subplatform, but actually 3
bits are allocated for the field. Check all 3 bits.
Fixes: 805446c8347c9 (drm/i915: Introduce concept of a sub-platform)
Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.rama...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8376cff5ba86..38eca00c6f09 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1343,7 +1343,7 @@ 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
Yep. Luckily it affected only printout in the welcome message and error
capture metadata.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Regards,
Tvrtko
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