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authorAlex Deucher <alexander.deucher@amd.com>2014-01-20 18:20:29 -0500
committerAlex Deucher <alexander.deucher@amd.com>2014-01-20 18:20:29 -0500
commitf5f1f897c892cbff6135cd743df9989ca7bc29e4 (patch)
tree18197d06c797c03e13d91e0e0519cf4428fedf1a /drivers
parentd30df55b3ec069283408b6d3b013bcba52dd03dc (diff)
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 <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c7
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c14
2 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 5bf50cec017..9e3af24e1b0 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;
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index b95267846ff..cb730cddfb9 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2251,14 +2251,12 @@ static void rv7xx_parse_pplib_clock_info(struct radeon_device *rdev,
pl->vddci = vddci;
}
- if (rdev->family >= CHIP_BARTS) {
- if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
- ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
- rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = pl->sclk;
- rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = pl->mclk;
- rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = pl->vddc;
- rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = pl->vddci;
- }
+ if ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
+ ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE) {
+ rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk = pl->sclk;
+ rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk = pl->mclk;
+ rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddc = pl->vddc;
+ rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.vddci = pl->vddci;
}
}