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authorChunming Zhou <David1.Zhou@amd.com>2015-05-22 12:14:04 -0400
committerAlex Deucher <alexander.deucher@amd.com>2015-08-17 16:50:09 -0400
commit25da442779041e5fac7ceba552264fda55106e3f (patch)
treeab2c49258638cfb7cf0f590e8f5366f9d6a856be /drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
parent0cf3be21782f8d5b74cce98a2b934e14ef418ef3 (diff)
downloadblackbird-obmc-linux-25da442779041e5fac7ceba552264fda55106e3f.tar.gz
blackbird-obmc-linux-25da442779041e5fac7ceba552264fda55106e3f.zip
drm/amdgpu: add atom interfaces for CGS
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c28
1 files 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 93fbf3551111..c1ee39ec1ca0 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)
{
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