This patch adds get atom data table helper for smu future use.
Signed-off-by: Huang Rui <ray.hu...@amd.com>
Reviewed-by: Kevin Wang <kevin1.w...@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 17 +++++++++++++++++
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 4 ++++
2 files changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index a6f19b5..901c99f 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -27,6 +27,7 @@
#include "amdgpu_smu.h"
#include "soc15_common.h"
#include "smu_v11_0.h"
+#include "atom.h"
static int smu_set_funcs(struct amdgpu_device *adev)
{
@@ -59,6 +60,22 @@ static int smu_early_init(void *handle)
return 0;
}
+int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
+ uint16_t *size, uint8_t *frev, uint8_t *crev,
+ uint8_t **addr)
+{
+ struct amdgpu_device *adev = smu->adev;
+ uint16_t data_start;
+
+ if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, table,
+ size, frev, crev, &data_start))
+ return -EINVAL;
+
+ *addr = (uint8_t *)adev->mode_info.atom_context->bios + data_start;
+
+ return 0;
+}
+
static int smu_initialize_pptable(struct smu_context *smu)
{
/* TODO */
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 215902f..88eee63 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -106,6 +106,10 @@ struct smu_funcs
#define smu_send_smc_msg_with_param(smu, msg, param) \
((smu)->funcs->send_smc_msg_with_param?
(smu)->funcs->send_smc_msg_with_param((smu), (msg), (param)) : 0)
+extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
+ uint16_t *size, uint8_t *frev, uint8_t *crev,
+ uint8_t **addr);
+
extern const struct amd_ip_funcs smu_ip_funcs;
extern const struct amdgpu_ip_block_version smu_v11_0_ip_block;
--
2.7.4
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