drm/radeon/rv6xx: implement get_current_sclk/mclk
Will be used for exposing current clocks via INFO ioctl.
Tested-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 6a5c233..97e5a6f 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -2050,6 +2050,52 @@
}
}
+/* get the current sclk in 10 khz units */
+u32 rv6xx_dpm_get_current_sclk(struct radeon_device *rdev)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct rv6xx_ps *ps = rv6xx_get_ps(rps);
+ struct rv6xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
+ CURRENT_PROFILE_INDEX_SHIFT;
+
+ if (current_index > 2) {
+ return 0;
+ } else {
+ if (current_index == 0)
+ pl = &ps->low;
+ else if (current_index == 1)
+ pl = &ps->medium;
+ else /* current_index == 2 */
+ pl = &ps->high;
+ return pl->sclk;
+ }
+}
+
+/* get the current mclk in 10 khz units */
+u32 rv6xx_dpm_get_current_mclk(struct radeon_device *rdev)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct rv6xx_ps *ps = rv6xx_get_ps(rps);
+ struct rv6xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
+ CURRENT_PROFILE_INDEX_SHIFT;
+
+ if (current_index > 2) {
+ return 0;
+ } else {
+ if (current_index == 0)
+ pl = &ps->low;
+ else if (current_index == 1)
+ pl = &ps->medium;
+ else /* current_index == 2 */
+ pl = &ps->high;
+ return pl->mclk;
+ }
+}
+
void rv6xx_dpm_fini(struct radeon_device *rdev)
{
int i;