mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 17:59:32 +00:00
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>
This commit is contained in:
parent
3c94566ce1
commit
d0a04d3b2e
3 changed files with 50 additions and 0 deletions
|
@ -1080,6 +1080,8 @@ static struct radeon_asic rv6xx_asic = {
|
|||
.print_power_state = &rv6xx_dpm_print_power_state,
|
||||
.debugfs_print_current_performance_level = &rv6xx_dpm_debugfs_print_current_performance_level,
|
||||
.force_performance_level = &rv6xx_dpm_force_performance_level,
|
||||
.get_current_sclk = &rv6xx_dpm_get_current_sclk,
|
||||
.get_current_mclk = &rv6xx_dpm_get_current_mclk,
|
||||
},
|
||||
.pflip = {
|
||||
.page_flip = &rs600_page_flip,
|
||||
|
|
|
@ -433,6 +433,8 @@ void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
|
|||
struct seq_file *m);
|
||||
int rv6xx_dpm_force_performance_level(struct radeon_device *rdev,
|
||||
enum radeon_dpm_forced_level level);
|
||||
u32 rv6xx_dpm_get_current_sclk(struct radeon_device *rdev);
|
||||
u32 rv6xx_dpm_get_current_mclk(struct radeon_device *rdev);
|
||||
/* rs780 dpm */
|
||||
int rs780_dpm_init(struct radeon_device *rdev);
|
||||
int rs780_dpm_enable(struct radeon_device *rdev);
|
||||
|
|
|
@ -2050,6 +2050,52 @@ void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
|
|||
}
|
||||
}
|
||||
|
||||
/* 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;
|
||||
|
|
Loading…
Reference in a new issue