[PATCH 3/6] drm/amdgpu: Fix cg/pg unexpected disabled when hw init failed

Rex Zhu Rex.Zhu at amd.com
Sat Sep 29 16:15:10 UTC 2018


Check the ip blocks late_initialized state before enable/disable
cg/pg, so if hw init failed, cg/pg function will not be executed.

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 95095a8..94c92f5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1656,7 +1656,7 @@ static int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
 
 	for (j = 0; j < adev->num_ip_blocks; j++) {
 		i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1;
-		if (!adev->ip_blocks[i].status.valid)
+		if (!adev->ip_blocks[i].status.late_initialized)
 			continue;
 		/* skip CG for VCE/UVD, it's handled specially */
 		if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
@@ -1686,7 +1686,7 @@ static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_power
 
 	for (j = 0; j < adev->num_ip_blocks; j++) {
 		i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1;
-		if (!adev->ip_blocks[i].status.valid)
+		if (!adev->ip_blocks[i].status.late_initialized)
 			continue;
 		/* skip CG for VCE/UVD, it's handled specially */
 		if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
@@ -1723,7 +1723,7 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
 	int i = 0, r;
 
 	for (i = 0; i < adev->num_ip_blocks; i++) {
-		if (!adev->ip_blocks[i].status.valid)
+		if (!adev->ip_blocks[i].status.hw)
 			continue;
 		if (adev->ip_blocks[i].version->funcs->late_init) {
 			r = adev->ip_blocks[i].version->funcs->late_init((void *)adev);
@@ -1732,8 +1732,8 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
 					  adev->ip_blocks[i].version->funcs->name, r);
 				return r;
 			}
-			adev->ip_blocks[i].status.late_initialized = true;
 		}
+		adev->ip_blocks[i].status.late_initialized = true;
 	}
 
 	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE);
-- 
1.9.1



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