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From c160c3bbea6beae78244a8b75e57b9350a04970b Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 23 Jul 2019 23:27:21 -0500
Subject: [PATCH 3129/4256] drm/amdgpu: add an asic callback to determine the
reset method
Sometimes the driver may have to behave differently depending
on the method we are using to reset the GPU.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index fcb92ec6b73d..ba666a4afdfe 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -538,6 +538,14 @@ struct amdgpu_allowed_register_entry {
bool grbm_indexed;
};
+enum amd_reset_method {
+ AMD_RESET_METHOD_LEGACY = 0,
+ AMD_RESET_METHOD_MODE0,
+ AMD_RESET_METHOD_MODE1,
+ AMD_RESET_METHOD_MODE2,
+ AMD_RESET_METHOD_BACO
+};
+
/*
* ASIC specific functions.
*/
@@ -549,6 +557,7 @@ struct amdgpu_asic_funcs {
u32 sh_num, u32 reg_offset, u32 *value);
void (*set_vga_state)(struct amdgpu_device *adev, bool state);
int (*reset)(struct amdgpu_device *adev);
+ enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
/* get the reference clock */
u32 (*get_xclk)(struct amdgpu_device *adev);
/* MM block clocks */
@@ -1149,6 +1158,7 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
*/
#define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
#define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
+#define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
#define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
#define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
#define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
--
2.17.1
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