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Commit 25da4427 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add atom interfaces for CGS 



This implements the interface for atombios command
and data table access.

Reviewed-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: default avatarChunming Zhou <David1.Zhou@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0cf3be21

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

+22 −6
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <linux/pci.h>

#include "amdgpu.h"

#include "cgs_linux.h"

#include "atom.h"



struct amdgpu_cgs_device {

	struct cgs_device base;
@@ -221,24 +222,39 @@ static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device, 
						  unsigned table, uint16_t *size,

						  uint8_t *frev, uint8_t *crev)

{

	/* TODO */

	CGS_FUNC_ADEV;

	uint16_t data_start;



	if (amdgpu_atom_parse_data_header(

		    adev->mode_info.atom_context, table, size,

		    frev, crev, &data_start))

		return (uint8_t*)adev->mode_info.atom_context->bios +

			data_start;



	return NULL;

}



static int amdgpu_cgs_atom_get_cmd_table_revs(void *cgs_device, unsigned table,

					      uint8_t *frev, uint8_t *crev)

{

	/* TODO */

	CGS_FUNC_ADEV;



	if (amdgpu_atom_parse_cmd_header(

		    adev->mode_info.atom_context, table,

		    frev, crev))

		return 0;



	return -EINVAL;

}



static int amdgpu_cgs_atom_exec_cmd_table(void *cgs_device, unsigned table,

					  void *args)

{

	/* TODO */

	return 0;

}

	CGS_FUNC_ADEV;



	return amdgpu_atom_execute_table(

		adev->mode_info.atom_context, table, args);

}



static int amdgpu_cgs_create_pm_request(void *cgs_device, cgs_handle_t *request)

{