From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 23 Jan 2018 16:27:31 -0500
Subject: drm/amdgpu/soc15: don't abuse IP soft reset for adapter reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: f75a9a5d6c770f1e5fb5f076a03ea3c0e3d81923
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.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(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -493,19 +493,8 @@ failed:
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,
};
--- 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_conte
extern const struct amdgpu_ip_block_version psp_v10_0_ip_block;
+int psp_gpu_reset(struct amdgpu_device *adev);
+
#endif
--- 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 amdgp
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);