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From 14bbd19d285b6c8f5284e7c2945965c383801730 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 29 Mar 2018 14:39:28 -0500
Subject: [PATCH 3984/4131] 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: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/vi.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index ba2a06c..789ffd2 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -919,6 +919,27 @@ 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,
@@ -932,6 +953,7 @@ 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) \
--
2.7.4
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