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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>
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2 changed files with 19 additions and 0 deletions
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@ -174,6 +174,24 @@ u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
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return vblank_time_us;
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}
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u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
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{
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struct drm_device *dev = rdev->ddev;
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struct drm_crtc *crtc;
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struct radeon_crtc *radeon_crtc;
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u32 vrefresh = 0;
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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radeon_crtc = to_radeon_crtc(crtc);
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if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
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vrefresh = radeon_crtc->hw_mode.vrefresh;
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break;
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}
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}
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return vrefresh;
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}
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void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
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u32 *p, u32 *u)
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{
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@ -130,6 +130,7 @@ void r600_dpm_print_cap_info(u32 caps);
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void r600_dpm_print_ps_status(struct radeon_device *rdev,
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struct radeon_ps *rps);
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u32 r600_dpm_get_vblank_time(struct radeon_device *rdev);
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u32 r600_dpm_get_vrefresh(struct radeon_device *rdev);
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bool r600_is_uvd_state(u32 class, u32 class2);
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void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
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u32 *p, u32 *u);
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