diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 90b306a1dd68..b44faaad9b0b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -598,6 +598,10 @@ struct amdgpu_dm_connector { * The 'current' sink is in dc_link->sink. */ struct dc_sink *dc_sink; struct dc_link *dc_link; + + /** + * @dc_em_sink: Reference to the emulated (virtual) sink. + */ struct dc_sink *dc_em_sink; /* DM only */ @@ -610,7 +614,16 @@ struct amdgpu_dm_connector { struct amdgpu_i2c_adapter *i2c; /* Monitor range limits */ - int min_vfreq ; + /** + * @min_vfreq: Minimal frequency supported by the display in Hz. This + * value is set to zero when there is no FreeSync support. + */ + int min_vfreq; + + /** + * @max_vfreq: Maximum frequency supported by the display in Hz. This + * value is set to zero when there is no FreeSync support. + */ int max_vfreq ; int pixel_clock_mhz; @@ -705,11 +718,34 @@ struct dm_connector_state { uint64_t pbn; }; +/** + * struct amdgpu_hdmi_vsdb_info - Keep track of the VSDB info + * + * AMDGPU supports FreeSync over HDMI by using the VSDB section, and this + * struct is useful to keep track of the display-specific information about + * FreeSync. + */ struct amdgpu_hdmi_vsdb_info { - unsigned int amd_vsdb_version; /* VSDB version, should be used to determine which VSIF to send */ - bool freesync_supported; /* FreeSync Supported */ - unsigned int min_refresh_rate_hz; /* FreeSync Minimum Refresh Rate in Hz */ - unsigned int max_refresh_rate_hz; /* FreeSync Maximum Refresh Rate in Hz */ + /** + * @amd_vsdb_version: Vendor Specific Data Block Version, should be + * used to determine which Vendor Specific InfoFrame (VSIF) to send. + */ + unsigned int amd_vsdb_version; + + /** + * @freesync_supported: FreeSync Supported. + */ + bool freesync_supported; + + /** + * @min_refresh_rate_hz: FreeSync Minimum Refresh Rate in Hz. + */ + unsigned int min_refresh_rate_hz; + + /** + * @max_refresh_rate_hz: FreeSync Maximum Refresh Rate in Hz + */ + unsigned int max_refresh_rate_hz; }; |