Commit faf654864b25 ("drm/i915: Unify uC variable types to avoid
flooding checkpatch.pl") breaks 32-bit kernel builds. Lets use
chained cast to make compiler happy.

Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Cc: Chris Wilson <[email protected]>
---
 drivers/gpu/drm/i915/i915_guc_submission.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c 
b/drivers/gpu/drm/i915/i915_guc_submission.c
index a2fad82..8b4a119 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -388,13 +388,13 @@ static void guc_stage_desc_init(struct intel_guc *guc,
        gfx_addr = guc_ggtt_offset(client->vma);
        desc->db_trigger_phy = sg_dma_address(client->vma->pages->sgl) +
                                client->doorbell_offset;
-       desc->db_trigger_cpu = (u64)__get_doorbell(client);
+       desc->db_trigger_cpu = (u64)(uintptr_t)__get_doorbell(client);
        desc->db_trigger_uk = gfx_addr + client->doorbell_offset;
        desc->process_desc = gfx_addr + client->proc_desc_offset;
        desc->wq_addr = gfx_addr + GUC_DB_SIZE;
        desc->wq_size = GUC_WQ_SIZE;
 
-       desc->desc_private = (u64)client;
+       desc->desc_private = (u64)(uintptr_t)client;
 }
 
 static void guc_stage_desc_fini(struct intel_guc *guc,
-- 
1.9.1

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