Commit 07fecde5 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: fill in vce clock info ioctl query (v2) 



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: default avatarRex Zhu <Rex.Zhu@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 597be302

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

+18 −0
Original line number Diff line number Diff line
@@ -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;

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