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drm/amdgpu: add get_gfx_shadow_info callback for gfx12

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This callback gets the size and alignment requirements
for the gfx shadow buffer for preemption.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shashank Sharma
2024-10-24 17:07:42 +02:00
committed by Alex Deucher
parent 2761bb9a31
commit aed7caf2d4
1 changed files with 29 additions and 0 deletions
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29
drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
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@@ -910,6 +910,34 @@ static void gfx_v12_0_select_me_pipe_q(struct amdgpu_device *adev,
soc24_grbm_select(adev, me, pipe, q, vm);
}
/* all sizes are in bytes */
#define MQD_SHADOW_BASE_SIZE 73728
#define MQD_SHADOW_BASE_ALIGNMENT 256
#define MQD_FWWORKAREA_SIZE 484
#define MQD_FWWORKAREA_ALIGNMENT 256
static void gfx_v12_0_get_gfx_shadow_info_nocheck(struct amdgpu_device *adev,
struct amdgpu_gfx_shadow_info *shadow_info)
{
shadow_info->shadow_size = MQD_SHADOW_BASE_SIZE;
shadow_info->shadow_alignment = MQD_SHADOW_BASE_ALIGNMENT;
shadow_info->csa_size = MQD_FWWORKAREA_SIZE;
shadow_info->csa_alignment = MQD_FWWORKAREA_ALIGNMENT;
}
static int gfx_v12_0_get_gfx_shadow_info(struct amdgpu_device *adev,
struct amdgpu_gfx_shadow_info *shadow_info,
bool skip_check)
{
if (adev->gfx.cp_gfx_shadow || skip_check) {
gfx_v12_0_get_gfx_shadow_info_nocheck(adev, shadow_info);
return 0;
}
memset(shadow_info, 0, sizeof(struct amdgpu_gfx_shadow_info));
return -EINVAL;
}
static const struct amdgpu_gfx_funcs gfx_v12_0_gfx_funcs = {
.get_gpu_clock_counter = &gfx_v12_0_get_gpu_clock_counter,
.select_se_sh = &gfx_v12_0_select_se_sh,
@@ -918,6 +946,7 @@ static const struct amdgpu_gfx_funcs gfx_v12_0_gfx_funcs = {
.read_wave_vgprs = &gfx_v12_0_read_wave_vgprs,
.select_me_pipe_q = &gfx_v12_0_select_me_pipe_q,
.update_perfmon_mgcg = &gfx_v12_0_update_perf_clk,
.get_gfx_shadow_info = &gfx_v12_0_get_gfx_shadow_info,
};
static int gfx_v12_0_gpu_early_init(struct amdgpu_device *adev)