drm/i915: Fix pointer-to-int conversion
Commit faf654864b
("drm/i915: Unify uC variable types to avoid
flooding checkpatch.pl") breaks 32-bit kernel builds. Lets use
cast helper to make compiler happy.
v2: introduce ptr_to_u64 (Chris)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171006130844.49012-1-michal.wajdeczko@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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@ -388,13 +388,13 @@ static void guc_stage_desc_init(struct intel_guc *guc,
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gfx_addr = guc_ggtt_offset(client->vma);
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desc->db_trigger_phy = sg_dma_address(client->vma->pages->sgl) +
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client->doorbell_offset;
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desc->db_trigger_cpu = (u64)__get_doorbell(client);
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desc->db_trigger_cpu = ptr_to_u64(__get_doorbell(client));
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desc->db_trigger_uk = gfx_addr + client->doorbell_offset;
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desc->process_desc = gfx_addr + client->proc_desc_offset;
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desc->wq_addr = gfx_addr + GUC_DB_SIZE;
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desc->wq_size = GUC_WQ_SIZE;
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desc->desc_private = (u64)client;
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desc->desc_private = ptr_to_u64(client);
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}
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static void guc_stage_desc_fini(struct intel_guc *guc,
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@ -99,6 +99,11 @@
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__T; \
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})
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static inline u64 ptr_to_u64(const void *ptr)
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{
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return (uintptr_t)ptr;
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}
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#define u64_to_ptr(T, x) ({ \
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typecheck(u64, x); \
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(T *)(uintptr_t)(x); \
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