[Intel-gfx] ✗ Fi.CI.SPARSE: warning for series starting with [v3,1/2] drm/i915/display: Support PSR Multiple Transcoders

[Mun, Gwan-gyeong]

On Wed, 2020-11-04 at 13:26 +0000, Patchwork wrote:
> == Series Details ==
> 
> Series: series starting with [v3,1/2] drm/i915/display: Support PSR
> Multiple Transcoders
> URL   : https://patchwork.freedesktop.org/series/83495/
> State : warning
> 
> == Summary ==
> 
> $ dim sparse --fast origin/drm-tip
> Sparse version: v0.6.2
> Fast mode used, each commit won't be checked separately.
> -
> +drivers/gpu/drm/i915/gt/intel_reset.c:1312:5: warning: context
> imbalance in 'intel_gt_reset_trylock' - different lock contexts for
> basic block
> +drivers/gpu/drm/i915/gt/selftest_reset.c:100:20:    expected void
> *in
> +drivers/gpu/drm/i915/gt/selftest_reset.c:100:20:    got void
> [noderef] __iomem *[assigned] s
> +drivers/gpu/drm/i915/gt/selftest_reset.c:100:20: warning: incorrect
> type in assignment (different address spaces)
> +drivers/gpu/drm/i915/gt/selftest_reset.c:101:46:    expected void
> const *src
> +drivers/gpu/drm/i915/gt/selftest_reset.c:101:46:    got void
> [noderef] __iomem *[assigned] s
> +drivers/gpu/drm/i915/gt/selftest_reset.c:101:46: warning: incorrect
> type in argument 2 (different address spaces)
> +drivers/gpu/drm/i915/gt/selftest_reset.c:136:20:    expected void
> *in
> +drivers/gpu/drm/i915/gt/selftest_reset.c:136:20:    got void
> [noderef] __iomem *[assigned] s
> +drivers/gpu/drm/i915/gt/selftest_reset.c:136:20: warning: incorrect
> type in assignment (different address spaces)
> +drivers/gpu/drm/i915/gt/selftest_reset.c:137:46:    expected void
> const *src
> +drivers/gpu/drm/i915/gt/selftest_reset.c:137:46:    got void
> [noderef] __iomem *[assigned] s
> +drivers/gpu/drm/i915/gt/selftest_reset.c:137:46: warning: incorrect
> type in argument 2 (different address spaces)
> +drivers/gpu/drm/i915/gt/selftest_reset.c:98:34:    expected unsigned
> int [usertype] *s
> +drivers/gpu/drm/i915/gt/selftest_reset.c:98:34:    got void
> [noderef] __iomem *[assigned] s
> +drivers/gpu/drm/i915/gt/selftest_reset.c:98:34: warning: incorrect
> type in argument 1 (different address spaces)
> +drivers/gpu/drm/i915/gvt/mmio.c:290:23: warning: memcpy with byte
> count of 279040
> +drivers/gpu/drm/i915/i915_perf.c:1440:15: warning: memset with byte
> count of 16777216
> +drivers/gpu/drm/i915/i915_perf.c:1494:15: warning: memset with byte
> count of 16777216
> +./include/linux/seqlock.h:838:24: warning: trying to copy expression
> type 31
> +./include/linux/seqlock.h:838:24: warning: trying to copy expression
> type 31
> +./include/linux/seqlock.h:864:16: warning: trying to copy expression
> type 31
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'fwtable_read16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'fwtable_read32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'fwtable_read64' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'fwtable_read8' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'fwtable_write16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'fwtable_write32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'fwtable_write8' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen11_fwtable_read16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen11_fwtable_read32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen11_fwtable_read64' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen11_fwtable_read8' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen11_fwtable_write16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen11_fwtable_write32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen11_fwtable_write8' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen12_fwtable_read16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen12_fwtable_read32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen12_fwtable_read64' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen12_fwtable_read8' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen12_fwtable_write16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen12_fwtable_write32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen12_fwtable_write8' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen6_read16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen6_read32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen6_read64' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen6_read8' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen6_write16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen6_write32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen6_write8' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen8_write16' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen8_write32' - different lock contexts for basic block
> +./include/linux/spinlock.h:409:9: warning: context imbalance in
> 'gen8_write8' - different lock contexts for basic block
> 
> 
Because this patch is not related to reported Fi.CI.SPARSE,
the  Fi.CI.SPARSE results seem False-Positive alarm.