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drm/amdgpu: get display info from DC when DC enabled. 

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-02-28 16:21:27 +08:00 committed by Alex Deucher
parent c802570ed5
commit b7ad57b579
1 changed files with 34 additions and 25 deletions
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19
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
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@ -889,10 +889,6 @@ static int amdgpu_cgs_get_active_displays_info(struct cgs_device *cgs_device,
struct cgs_display_info *info)
{
CGS_FUNC_ADEV;
struct amdgpu_crtc *amdgpu_crtc;
struct drm_device *ddev = adev->ddev;
struct drm_crtc *crtc;
uint32_t line_time_us, vblank_lines;
struct cgs_mode_info *mode_info;
if (info == NULL)
@ -906,6 +902,12 @@ static int amdgpu_cgs_get_active_displays_info(struct cgs_device *cgs_device,
mode_info->ref_clock = adev->clock.spll.reference_freq;
}
if (!amdgpu_device_has_dc_support(adev)) {
struct amdgpu_crtc *amdgpu_crtc;
struct drm_device *ddev = adev->ddev;
struct drm_crtc *crtc;
uint32_t line_time_us, vblank_lines;
if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {
list_for_each_entry(crtc,
&ddev->mode_config.crtc_list, head) {
@ -929,7 +931,14 @@ static int amdgpu_cgs_get_active_displays_info(struct cgs_device *cgs_device,
}
}
}
} else {
info->display_count = adev->pm.pm_display_cfg.num_display;
if (mode_info != NULL) {
mode_info->vblank_time_us = adev->pm.pm_display_cfg.min_vblank_time;
mode_info->refresh_rate = adev->pm.pm_display_cfg.vrefresh;
mode_info->ref_clock = adev->clock.spll.reference_freq;
}
}
return 0;
}