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authorAlex Deucher <alexander.deucher@amd.com>2014-09-30 10:46:02 -0400
committerAlex Deucher <alexander.deucher@amd.com>2015-03-19 12:26:32 -0400
commit1d633e3a217986c8daedf82e5810e6c149d5e415 (patch)
tree1b69c5f911397242a1bb503cd43a6ef1acfa2c00 /drivers/gpu/drm/radeon
parentda6472f349ec3511299a761803a65d3913ffed10 (diff)
downloadop-kernel-dev-1d633e3a217986c8daedf82e5810e6c149d5e415.zip
op-kernel-dev-1d633e3a217986c8daedf82e5810e6c149d5e415.tar.gz
drm/radeon/ni: 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>
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r--drivers/gpu/drm/radeon/ni_dpm.c36
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.h2
3 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 7bc9f8d..c3d531a 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -4319,6 +4319,42 @@ void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
}
}
+u32 ni_dpm_get_current_sclk(struct radeon_device *rdev)
+{
+ struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+ struct radeon_ps *rps = &eg_pi->current_rps;
+ struct ni_ps *ps = ni_get_ps(rps);
+ struct rv7xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
+ CURRENT_STATE_INDEX_SHIFT;
+
+ if (current_index >= ps->performance_level_count) {
+ return 0;
+ } else {
+ pl = &ps->performance_levels[current_index];
+ return pl->sclk;
+ }
+}
+
+u32 ni_dpm_get_current_mclk(struct radeon_device *rdev)
+{
+ struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
+ struct radeon_ps *rps = &eg_pi->current_rps;
+ struct ni_ps *ps = ni_get_ps(rps);
+ struct rv7xx_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
+ CURRENT_STATE_INDEX_SHIFT;
+
+ if (current_index >= ps->performance_level_count) {
+ return 0;
+ } else {
+ pl = &ps->performance_levels[current_index];
+ return pl->mclk;
+ }
+}
+
u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low)
{
struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index a78fb91..8186f43 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1727,6 +1727,8 @@ static struct radeon_asic cayman_asic = {
.debugfs_print_current_performance_level = &ni_dpm_debugfs_print_current_performance_level,
.force_performance_level = &ni_dpm_force_performance_level,
.vblank_too_short = &ni_dpm_vblank_too_short,
+ .get_current_sclk = &ni_dpm_get_current_sclk,
+ .get_current_mclk = &ni_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 fc67825..df70a72 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -663,6 +663,8 @@ void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
int ni_dpm_force_performance_level(struct radeon_device *rdev,
enum radeon_dpm_forced_level level);
bool ni_dpm_vblank_too_short(struct radeon_device *rdev);
+u32 ni_dpm_get_current_sclk(struct radeon_device *rdev);
+u32 ni_dpm_get_current_mclk(struct radeon_device *rdev);
int trinity_dpm_init(struct radeon_device *rdev);
int trinity_dpm_enable(struct radeon_device *rdev);
int trinity_dpm_late_enable(struct radeon_device *rdev);
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