On Mon, Oct 10, 2016 at 5:30 AM, Rex Zhu <[email protected]> wrote: > Change-Id: If0f10dc8002ef8b923177cbf36d0d76316bd017c > Signed-off-by: Rex Zhu <[email protected]>
Reviewed-by: Alex Deucher <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | 14 ++++++++------ > 1 file changed, 8 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c > index fe36caf..14f57d9 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c > @@ -113,24 +113,26 @@ void amdgpu_dpm_print_ps_status(struct amdgpu_device > *adev, > printk("\n"); > } > > + > u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_crtc *crtc; > struct amdgpu_crtc *amdgpu_crtc; > - u32 line_time_us, vblank_lines; > + u32 vblank_in_pixels; > u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank > time is max */ > > if (adev->mode_info.num_crtc && > adev->mode_info.mode_config_initialized) { > list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { > amdgpu_crtc = to_amdgpu_crtc(crtc); > if (crtc->enabled && amdgpu_crtc->enabled && > amdgpu_crtc->hw_mode.clock) { > - line_time_us = > (amdgpu_crtc->hw_mode.crtc_htotal * 1000) / > - amdgpu_crtc->hw_mode.clock; > - vblank_lines = > amdgpu_crtc->hw_mode.crtc_vblank_end - > + vblank_in_pixels = > + amdgpu_crtc->hw_mode.crtc_htotal * > + (amdgpu_crtc->hw_mode.crtc_vblank_end > - > amdgpu_crtc->hw_mode.crtc_vdisplay + > - (amdgpu_crtc->v_border * 2); > - vblank_time_us = vblank_lines * line_time_us; > + (amdgpu_crtc->v_border * 2)); > + > + vblank_time_us = vblank_in_pixels * 1000 / > amdgpu_crtc->hw_mode.clock; > break; > } > } > -- > 1.9.1 > > _______________________________________________ > amd-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
