From f5f1f897c892cbff6135cd743df9989ca7bc29e4 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 20 Jan 2014 18:20:29 -0500 Subject: drm/radeon: add query to fetch the max engine clock (v2) This is needed for reporting the max GPU engine clock in OpenCL. This just reports the max possible engine clock, it does not take into account current conditions that may limit that clock. v2: fix query number for merge with 3.13 Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_kms.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/gpu/drm/radeon/radeon_kms.c') diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 5bf50cec017e..9e3af24e1b05 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -470,6 +470,13 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n"); } break; + case RADEON_INFO_MAX_SCLK: + if ((rdev->pm.pm_method == PM_METHOD_DPM) && + rdev->pm.dpm_enabled) + *value = rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10; + else + *value = rdev->pm.default_sclk * 10; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; -- cgit v1.2.3-59-g8ed1b