From: Alex Deucher Date: Tue, 30 Sep 2014 15:01:59 +0000 (-0400) Subject: drm/radeon/tn: implement get_current_sclk/mclk X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7ce9cdaec35db4c13f2f34dcb63d8bf6f290ffd0;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git drm/radeon/tn: 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/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 2b72c4a77be6..ce0cbd5823e9 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1833,6 +1833,8 @@ static struct radeon_asic trinity_asic = { .debugfs_print_current_performance_level = &trinity_dpm_debugfs_print_current_performance_level, .force_performance_level = &trinity_dpm_force_performance_level, .enable_bapm = &trinity_dpm_enable_bapm, + .get_current_sclk = &trinity_dpm_get_current_sclk, + .get_current_mclk = &trinity_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 e2887eb4a4d5..bab229377264 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -686,6 +686,8 @@ void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *r int trinity_dpm_force_performance_level(struct radeon_device *rdev, enum radeon_dpm_forced_level level); void trinity_dpm_enable_bapm(struct radeon_device *rdev, bool enable); +u32 trinity_dpm_get_current_sclk(struct radeon_device *rdev); +u32 trinity_dpm_get_current_mclk(struct radeon_device *rdev); /* DCE6 - SI */ void dce6_bandwidth_update(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 38dacb7a3689..a5b02c575d77 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1964,6 +1964,31 @@ void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *r } } +u32 trinity_dpm_get_current_sclk(struct radeon_device *rdev) +{ + struct trinity_power_info *pi = trinity_get_pi(rdev); + struct radeon_ps *rps = &pi->current_rps; + struct trinity_ps *ps = trinity_get_ps(rps); + struct trinity_pl *pl; + u32 current_index = + (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) >> + CURRENT_STATE_SHIFT; + + if (current_index >= ps->num_levels) { + return 0; + } else { + pl = &ps->levels[current_index]; + return pl->sclk; + } +} + +u32 trinity_dpm_get_current_mclk(struct radeon_device *rdev) +{ + struct trinity_power_info *pi = trinity_get_pi(rdev); + + return pi->sys_info.bootup_uma_clk; +} + void trinity_dpm_fini(struct radeon_device *rdev) { int i;