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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>
This commit is contained in:
Alex Deucher 2019-07-23 23:27:21 -05:00
parent 4d7fd9e20b
commit 0cf3c64f29
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -532,6 +532,14 @@ 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.
*/
@ -543,6 +551,7 @@ 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 */
@ -1109,6 +1118,7 @@ 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))