From: Alex Deucher Date: Tue, 30 Sep 2014 14:46:02 +0000 (-0400) Subject: drm/radeon/ni: implement get_current_sclk/mclk X-Git-Tag: firefly_0821_release~176^2~1915^2~27^2~28 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1d633e3a217986c8daedf82e5810e6c149d5e415;p=firefly-linux-kernel-4.4.55.git drm/radeon/ni: implement get_current_sclk/mclk Will be used for exposing current clocks via INFO ioctl. Tested-by: Marek Olšák Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 7bc9f8d9804a..c3d531a1114b 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 a78fb9142902..8186f4325142 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 fc678257abc7..df70a7220baf 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);