[PATCH] drm/amdgpu: enlarge maximum waiting time of KIQ

[wentalou]

SWDEV-171843: KIQ in VF’s init delayed by another VF’s reset.
late_init failed occasionally if overlapped with another VF’s reset.
MAX_KIQ_REG_TRY enlarged from 20 to 80 would fix this issue.

Change-Id: I841774bdd9ebf125c5aa2046b1dcebd111165e07
Signed-off-by: wentalou <wentalou at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index c8ad6bf..26e2455 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -235,7 +235,7 @@ enum amdgpu_kiq_irq {
 
 #define MAX_KIQ_REG_WAIT       5000 /* in usecs, 5ms */
 #define MAX_KIQ_REG_BAILOUT_INTERVAL   5 /* in msecs, 5ms */
-#define MAX_KIQ_REG_TRY 20
+#define MAX_KIQ_REG_TRY 80 /* SWDEV-171843: 20 -> 80 */
 
 int amdgpu_device_ip_set_clockgating_state(void *dev,
 					   enum amd_ip_block_type block_type,
-- 
2.7.4