[PATCH 03/10] drm/amdgpu: init rlc save restore as long as the lists exist

[Evan Quan]

It does not have to be rlc v2_1 and pg enabled. For rlc v2_0, rlc
save restore is also needed. And pg support is definitely not a
must for rlc save restore.

Change-Id: I85c0e3525ca7fb385c3d0b9e5abc13708c91e795
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 2f6ac255203f..8d895afa6c69 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2184,8 +2184,13 @@ static void gfx_v9_0_init_pg(struct amdgpu_device *adev)
 {
 	gfx_v9_0_init_csb(adev);
 
-	if (!adev->gfx.rlc.is_rlc_v2_1)
-		return;
+	/* init rlc save restore as long as the lists exist */
+	if (adev->gfx.rlc.reg_list_format_size_bytes &&
+	    adev->gfx.rlc.reg_list_size_bytes &&
+	    adev->gfx.rlc.reg_restore_list_size) {
+		gfx_v9_1_init_rlc_save_restore_list(adev);
+		gfx_v9_0_enable_save_restore_machine(adev);
+	}
 
 	if (adev->pg_flags & (AMD_PG_SUPPORT_GFX_PG |
 			      AMD_PG_SUPPORT_GFX_SMG |
@@ -2193,9 +2198,6 @@ static void gfx_v9_0_init_pg(struct amdgpu_device *adev)
 			      AMD_PG_SUPPORT_CP |
 			      AMD_PG_SUPPORT_GDS |
 			      AMD_PG_SUPPORT_RLC_SMU_HS)) {
-		gfx_v9_1_init_rlc_save_restore_list(adev);
-		gfx_v9_0_enable_save_restore_machine(adev);
-
 		WREG32(mmRLC_JUMP_TABLE_RESTORE,
 		       adev->gfx.rlc.cp_table_gpu_addr >> 8);
 		gfx_v9_0_init_gfx_power_gating(adev);
-- 
2.18.0