diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index fe36caf1b7d7..6ca0333ca4c0 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; } } @@ -551,9 +553,10 @@ int amdgpu_parse_extended_power_table(struct amdgpu_device *adev) entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *) ((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)); } - for (i = 0; i < states->numEntries; i++) { - if (i >= AMDGPU_MAX_VCE_LEVELS) - break; + adev->pm.dpm.num_of_vce_states = + states->numEntries > AMD_MAX_VCE_LEVELS ? + AMD_MAX_VCE_LEVELS : states->numEntries; + for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) { vce_clk = (VCEClockInfo *) ((u8 *)&array->entries[0] + (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo))); @@ -953,3 +956,12 @@ u8 amdgpu_encode_pci_lane_width(u32 lanes) return encoded_lanes[lanes]; } + +struct amd_vce_state* +amdgpu_get_vce_clock_state(struct amdgpu_device *adev, unsigned idx) +{ + if (idx < adev->pm.dpm.num_of_vce_states) + return &adev->pm.dpm.vce_states[idx]; + + return NULL; +} |