diff options
| author | Harry Wentland <harry.wentland@amd.com> | 2019-02-25 13:26:34 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-22 09:34:07 -0500 |
| commit | 97bda0322b8a91aa8d534763e709571b2334e585 (patch) | |
| tree | 9e572c249b54a91c58a771d5eeef5ffc51cfe587 /drivers/gpu/drm/amd/display/dc/dc_link.h | |
| parent | b4f199c7b00c87183f10c0a8f635f26ba2ede3eb (diff) | |
drm/amd/display: Add DSC support for Navi (v2)
Add support for DCN2 DSC (Display Stream Compression)
HW Blocks:
+--------++------+ +----------+
| HUBBUB || HUBP | <-- | MMHUBBUB |
+--------++------+ +----------+
| ^
v |
+--------+ +--------+
| DPP | | DWB |
+--------+ +--------+
|
v ^
+--------+ |
| MPC | |
+--------+ |
| |
v |
+-------+ +-------+ |
| OPP | <--> | DSC | |
+-------+ +-------+ |
| |
v |
+--------+ /
| OPTC | --------------
+--------+
|
v
+--------+ +--------+
| DIO | | DCCG |
+--------+ +--------+
v2: rebase (Alex)
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 094009127e25..6f0b80111e58 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -29,6 +29,13 @@ #include "dc_types.h" #include "grph_object_defs.h" +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT +enum dc_link_fec_state { + dc_link_fec_not_ready, + dc_link_fec_ready, + dc_link_fec_enabled +}; +#endif struct dc_link_status { bool link_active; struct dpcd_caps *dpcd_caps; @@ -129,6 +136,9 @@ struct dc_link { struct link_trace link_trace; struct gpio *hpd_gpio; +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT + enum dc_link_fec_state fec_state; +#endif }; const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link); |