Returns the vce clock table for the user mode driver.
The user mode driver can fill this data into vce clock
data packet for optimal VCE DPM.
v2: update to the new API
Reviewed-by: Christian König <christian.koe...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 1ecfe9a..3570124 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -524,6 +524,24 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void
*data, struct drm_file
return copy_to_user(out, &dev_info,
min((size_t)size, sizeof(dev_info))) ?
-EFAULT : 0;
}
+ case AMDGPU_INFO_VCE_CLOCK_TABLE: {
+ unsigned i;
+ struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
+ struct amd_vce_state *vce_state;
+
+ for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
+ vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
+ if (vce_state) {
+ vce_clk_table.entries[i].sclk = vce_state->sclk;
+ vce_clk_table.entries[i].mclk = vce_state->mclk;
+ vce_clk_table.entries[i].eclk =
vce_state->evclk;
+ vce_clk_table.num_valid_entries++;
+ }
+ }
+
+ return copy_to_user(out, &vce_clk_table,
+ min((size_t)size, sizeof(vce_clk_table))) ?
-EFAULT : 0;
+ }
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->query);
return -EINVAL;
--
2.5.5
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