drm/radeon/rv7xx/eg: 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/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 0e3f7d4..0794cbd 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1278,6 +1278,8 @@
.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
.force_performance_level = &rv770_dpm_force_performance_level,
.vblank_too_short = &rv770_dpm_vblank_too_short,
+ .get_current_sclk = &rv770_dpm_get_current_sclk,
+ .get_current_mclk = &rv770_dpm_get_current_mclk,
},
.pflip = {
.page_flip = &rv770_page_flip,
@@ -1395,6 +1397,8 @@
.debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level,
.force_performance_level = &rv770_dpm_force_performance_level,
.vblank_too_short = &cypress_dpm_vblank_too_short,
+ .get_current_sclk = &rv770_dpm_get_current_sclk,
+ .get_current_mclk = &rv770_dpm_get_current_mclk,
},
.pflip = {
.page_flip = &evergreen_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 7ae66c0..ceac66a 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -492,6 +492,8 @@
int rv770_dpm_force_performance_level(struct radeon_device *rdev,
enum radeon_dpm_forced_level level);
bool rv770_dpm_vblank_too_short(struct radeon_device *rdev);
+u32 rv770_dpm_get_current_sclk(struct radeon_device *rdev);
+u32 rv770_dpm_get_current_mclk(struct radeon_device *rdev);
/*
* evergreen
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 3067326..b9c7707 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2492,6 +2492,50 @@
}
}
+u32 rv770_dpm_get_current_sclk(struct radeon_device *rdev)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ struct rv7xx_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;
+ }
+}
+
+u32 rv770_dpm_get_current_mclk(struct radeon_device *rdev)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct rv7xx_ps *ps = rv770_get_ps(rps);
+ struct rv7xx_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 rv770_dpm_fini(struct radeon_device *rdev)
{
int i;