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drm/radeon/kv: 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:
Alex Deucher 2014-09-30 11:21:23 -04:00
parent 7ce9cdaec3
commit 9b23bad032
3 changed files with 27 additions and 0 deletions
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23
drivers/gpu/drm/radeon/kv_dpm.c
View File

@ -2820,6 +2820,29 @@ void kv_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
}
}
u32 kv_dpm_get_current_sclk(struct radeon_device *rdev)
{
struct kv_power_info *pi = kv_get_pi(rdev);
u32 current_index =
(RREG32_SMC(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) >>
CURR_SCLK_INDEX_SHIFT;
u32 sclk;
if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
return 0;
} else {
sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
return sclk;
}
}
u32 kv_dpm_get_current_mclk(struct radeon_device *rdev)
{
struct kv_power_info *pi = kv_get_pi(rdev);
return pi->sys_info.bootup_uma_clk;
}
void kv_dpm_print_power_state(struct radeon_device *rdev,
struct radeon_ps *rps)
{

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

@ -2249,6 +2249,8 @@ static struct radeon_asic kv_asic = {
.force_performance_level = &kv_dpm_force_performance_level,
.powergate_uvd = &kv_dpm_powergate_uvd,
.enable_bapm = &kv_dpm_enable_bapm,
.get_current_sclk = &kv_dpm_get_current_sclk,
.get_current_mclk = &kv_dpm_get_current_mclk,
},
.pflip = {
.page_flip = &evergreen_page_flip,

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

@ -908,6 +908,8 @@ int kv_dpm_force_performance_level(struct radeon_device *rdev,
enum radeon_dpm_forced_level level);
void kv_dpm_powergate_uvd(struct radeon_device *rdev, bool gate);
void kv_dpm_enable_bapm(struct radeon_device *rdev, bool enable);
u32 kv_dpm_get_current_sclk(struct radeon_device *rdev);
u32 kv_dpm_get_current_mclk(struct radeon_device *rdev);
/* uvd v1.0 */
uint32_t uvd_v1_0_get_rptr(struct radeon_device *rdev,