aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlex Deucher2013-07-19 12:42:08 -0400
committerAlex Deucher2013-08-30 16:30:27 -0400
commit6bb5c0d74c1962a8b1c722521c01e19d38c47370 (patch)
tree3983222ad86524346798a4dd37c30fabe0ecd471
parent61fb192a1cf87413e19f565495595c8c116d7c10 (diff)
drm/radeon/dpm: add helper to fetch the vrefresh of the current mode
Needed for DPM on CI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/radeon/r600_dpm.c18
-rw-r--r--drivers/gpu/drm/radeon/r600_dpm.h1
2 files changed, 19 insertions, 0 deletions
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);