[PATCH 2/2] drm/amdgpu/soc15: don't abuse IP soft reset for adapter reset

[Alex Deucher]

The IP soft reset interface is for per IP reset but it was
being abused for adapter reset on soc15 asics.  Adjust the
interface to make it explicit.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 17 +++--------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h |  2 ++
 drivers/gpu/drm/amd/amdgpu/soc15.c      |  7 +------
 3 files changed, 6 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index e6cb9e2896f1..6e712f12eecd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -493,19 +493,8 @@ static int psp_resume(void *handle)
 	return ret;
 }
 
-static bool psp_check_reset(void* handle)
+int psp_gpu_reset(struct amdgpu_device *adev)
 {
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-
-	if (adev->flags & AMD_IS_APU)
-		return true;
-
-	return false;
-}
-
-static int psp_reset(void* handle)
-{
-	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	return psp_mode1_reset(&adev->psp);
 }
 
@@ -552,9 +541,9 @@ const struct amd_ip_funcs psp_ip_funcs = {
 	.suspend = psp_suspend,
 	.resume = psp_resume,
 	.is_idle = NULL,
-	.check_soft_reset = psp_check_reset,
+	.check_soft_reset = NULL,
 	.wait_for_idle = NULL,
-	.soft_reset = psp_reset,
+	.soft_reset = NULL,
 	.set_clockgating_state = psp_set_clockgating_state,
 	.set_powergating_state = psp_set_powergating_state,
 };
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index cf28abc5ccbf..129209686848 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -158,4 +158,6 @@ extern int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
 
 extern const struct amdgpu_ip_block_version psp_v10_0_ip_block;
 
+int psp_gpu_reset(struct amdgpu_device *adev);
+
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 04a471b80064..8dc8b72ed49b 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -417,12 +417,7 @@ static int soc15_asic_reset(struct amdgpu_device *adev)
 
 	pci_save_state(adev->pdev);
 
-	for (i = 0; i < AMDGPU_MAX_IP_NUM; i++) {
-		if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP){
-			adev->ip_blocks[i].version->funcs->soft_reset((void *)adev);
-			break;
-		}
-	}
+	psp_gpu_reset(adev);
 
 	pci_restore_state(adev->pdev);
 
-- 
2.13.6