From: Chunming Zhou David1.Zhou@amd.com
This implements the interface for atombios command and data table access.
Reviewed-by: Jammy Zhou Jammy.Zhou@amd.com Signed-off-by: Chunming Zhou David1.Zhou@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 28 ++++++++++++++++++++++------ 1 file changed, 22 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 93fbf35..c1ee39e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -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 */ - return 0; + 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) {