drm/amdgpu/vi: implement asic need_full_reset callback

Used to check on a per SoC basis whether the SoC needs
a full reset of a per IP soft reset.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 126f1276d347..1b4ee249b95a 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -876,6 +876,27 @@ static void vi_invalidate_hdp(struct amdgpu_device *adev,
         }
 }
 
+static bool vi_need_full_reset(struct amdgpu_device *adev)
+{
+        switch (adev->asic_type) {
+        case CHIP_CARRIZO:
+        case CHIP_STONEY:
+                /* CZ has hang issues with full reset at the moment */
+                return false;
+        case CHIP_FIJI:
+        case CHIP_TONGA:
+                /* XXX: soft reset should work on fiji and tonga */
+                return true;
+        case CHIP_POLARIS10:
+        case CHIP_POLARIS11:
+        case CHIP_POLARIS12:
+        case CHIP_TOPAZ:
+        default:
+                /* change this when we support soft reset */
+                return true;
+        }
+}
+
 static const struct amdgpu_asic_funcs vi_asic_funcs =
 {
         .read_disabled_bios = &vi_read_disabled_bios,
@@ -889,6 +910,7 @@ static const struct amdgpu_asic_funcs vi_asic_funcs =
         .get_config_memsize = &vi_get_config_memsize,
         .flush_hdp = &vi_flush_hdp,
         .invalidate_hdp = &vi_invalidate_hdp,
+        .need_full_reset = &vi_need_full_reset,
 };
 
 #define CZ_REV_BRISTOL(rev)      \