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drm/amdgpu: Add XCP functions for GFX v9.4.3

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Add functions to suspend/resume GFX instances belonging to an XCP.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2022-09-23 16:48:43 +05:30 committed by Alex Deucher
parent 3446cb78f3
commit 73c84f7c47
1 changed files with 47 additions and 0 deletions
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47
drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
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@ -23,6 +23,7 @@
#include <linux/firmware.h>
#include "amdgpu.h"
#include "amdgpu_xcp.h"
#include "amdgpu_gfx.h"
#include "soc15.h"
#include "soc15d.h"
@ -3177,3 +3178,49 @@ const struct amdgpu_ip_block_version gfx_v9_4_3_ip_block = {
.rev = 0,
.funcs = &gfx_v9_4_3_ip_funcs,
};
static int gfx_v9_4_3_xcp_resume(void *handle, uint32_t inst_mask)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
uint32_t tmp_mask;
int i, r;
/* TODO : Initialize golden regs */
/* gfx_v9_4_3_init_golden_registers(adev); */
tmp_mask = inst_mask;
for_each_inst(i, tmp_mask)
gfx_v9_4_3_xcc_constants_init(adev, i);
tmp_mask = inst_mask;
for_each_inst(i, tmp_mask) {
r = gfx_v9_4_3_xcc_rlc_resume(adev, i);
if (r)
return r;
}
tmp_mask = inst_mask;
for_each_inst(i, tmp_mask) {
r = gfx_v9_4_3_xcc_cp_resume(adev, i);
if (r)
return r;
}
return 0;
}
static int gfx_v9_4_3_xcp_suspend(void *handle, uint32_t inst_mask)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i;
for_each_inst(i, inst_mask)
gfx_v9_4_3_xcc_fini(adev, i);
return 0;
}
struct amdgpu_xcp_ip_funcs gfx_v9_4_3_xcp_funcs = {
.suspend = &gfx_v9_4_3_xcp_suspend,
.resume = &gfx_v9_4_3_xcp_resume
};