[PATCH 6/6] drm/amdgpu: fill in vce clock info ioctl query

Alex Deucher alexdeucher at gmail.com
Fri Oct 7 18:28:25 UTC 2016


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.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 1ecfe9a..07493b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -524,6 +524,14 @@ 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: {
+		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
+
+		vce_clk_table = amdgpu_dpm_get_vce_clock_table(adev);
+
+		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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