Commit 33f3437a authored by Jonathan Kim's avatar Jonathan Kim Committed by Alex Deucher
Browse files

drm/amdgpu: add gfx11 hw debug mode enable and disable calls 



Implement the per-device calls to enable or disable HW debug mode
for GFX11.

Signed-off-by: default avatarJonathan Kim <jonathan.kim@amd.com>
Reviewed-by: default avatarFelix Kuehling <felix.kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent be6f9403

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v11.c

+38 −0
Original line number Diff line number Diff line
@@ -607,6 +607,42 @@ static void set_vm_context_page_table_base_v11(struct amdgpu_device *adev, 
	adev->gfxhub.funcs->setup_vm_pt_regs(adev, vmid, page_table_base);

}



/*

 * Returns TRAP_EN, EXCP_EN and EXCP_REPLACE.

 *

 * restore_dbg_registers is ignored here but is a general interface requirement

 * for devices that support GFXOFF and where the RLC save/restore list

 * does not support hw registers for debugging i.e. the driver has to manually

 * initialize the debug mode registers after it has disabled GFX off during the

 * debug session.

 */

static uint32_t kgd_gfx_v11_enable_debug_trap(struct amdgpu_device *adev,

					    bool restore_dbg_registers,

					    uint32_t vmid)

{

	uint32_t data = 0;



	data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, TRAP_EN, 1);

	data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_EN, 0);

	data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_REPLACE, 0);



	return data;

}



/* Returns TRAP_EN, EXCP_EN and EXCP_REPLACE. */

static uint32_t kgd_gfx_v11_disable_debug_trap(struct amdgpu_device *adev,

						bool keep_trap_enabled,

						uint32_t vmid)

{

	uint32_t data = 0;



	data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, TRAP_EN, keep_trap_enabled);

	data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_EN, 0);

	data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL, EXCP_REPLACE, 0);



	return data;

}



const struct kfd2kgd_calls gfx_v11_kfd2kgd = {

	.program_sh_mem_settings = program_sh_mem_settings_v11,

	.set_pasid_vmid_mapping = set_pasid_vmid_mapping_v11,
@@ -623,4 +659,6 @@ const struct kfd2kgd_calls gfx_v11_kfd2kgd = { 
	.wave_control_execute = wave_control_execute_v11,

	.get_atc_vmid_pasid_mapping_info = NULL,

	.set_vm_context_page_table_base = set_vm_context_page_table_base_v11,

	.enable_debug_trap = kgd_gfx_v11_enable_debug_trap,

	.disable_debug_trap = kgd_gfx_v11_disable_debug_trap

};