From 6bb5c0d74c1962a8b1c722521c01e19d38c47370 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 19 Jul 2013 12:42:08 -0400 Subject: [PATCH] drm/radeon/dpm: add helper to fetch the vrefresh of the current mode Needed for DPM on CI. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/r600_dpm.c | 18 ++++++++++++++++++ drivers/gpu/drm/radeon/r600_dpm.h | 1 + 2 files changed, 19 insertions(+) diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index 89c46c55f93d..26a787836032 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -174,6 +174,24 @@ u32 r600_dpm_get_vblank_time(struct radeon_device *rdev) return vblank_time_us; } +u32 r600_dpm_get_vrefresh(struct radeon_device *rdev) +{ + struct drm_device *dev = rdev->ddev; + struct drm_crtc *crtc; + struct radeon_crtc *radeon_crtc; + u32 vrefresh = 0; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + radeon_crtc = to_radeon_crtc(crtc); + if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) { + vrefresh = radeon_crtc->hw_mode.vrefresh; + break; + } + } + + return vrefresh; +} + void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b, u32 *p, u32 *u) { diff --git a/drivers/gpu/drm/radeon/r600_dpm.h b/drivers/gpu/drm/radeon/r600_dpm.h index 8dc1fbd9dbf1..1000bf9719f2 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.h +++ b/drivers/gpu/drm/radeon/r600_dpm.h @@ -130,6 +130,7 @@ void r600_dpm_print_cap_info(u32 caps); void r600_dpm_print_ps_status(struct radeon_device *rdev, struct radeon_ps *rps); u32 r600_dpm_get_vblank_time(struct radeon_device *rdev); +u32 r600_dpm_get_vrefresh(struct radeon_device *rdev); bool r600_is_uvd_state(u32 class, u32 class2); void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b, u32 *p, u32 *u);