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drm/radeon/ni: implement get_current_sclk/mclk

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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>
This commit is contained in:
Alex Deucher 2014-09-30 10:46:02 -04:00
parent da6472f349
commit 1d633e3a21
3 changed files with 40 additions and 0 deletions
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36
drivers/gpu/drm/radeon/ni_dpm.c
View file

@ -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);

2
drivers/gpu/drm/radeon/radeon_asic.c
View file

@ -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,

2
drivers/gpu/drm/radeon/radeon_asic.h
View file

@ -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);