drm/amdgpu: extend MAX_KIQ_REG_TRY to 1000

Extend retry times of KIQ to avoid starvation situation caused by
long time full access of GPU by other VFs.

Signed-off-by: Jiawei Gu <Jiawei.Gu@amd.com>
Reviewed-by: Emily.Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 9717cb4..86452f4 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -287,7 +287,7 @@ 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 80 /* 20 -> 80 */
+#define MAX_KIQ_REG_TRY 1000
 
 int amdgpu_device_ip_set_clockgating_state(void *dev,
                                           enum amd_ip_block_type block_type,