From 97bda0322b8a91aa8d534763e709571b2334e585 Mon Sep 17 00:00:00 2001 From: Harry Wentland Date: Mon, 25 Feb 2019 13:26:34 -0500 Subject: 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 Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c') diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index e6cd67342df8..7cf0573ab25f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -542,6 +542,16 @@ bool dm_helpers_submit_i2c( return result; } +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT +bool dm_helpers_dp_write_dsc_enable( + struct dc_context *ctx, + const struct dc_stream_state *stream, + bool enable +) +{ + return false; +} +#endif bool dm_helpers_is_dp_sink_present(struct dc_link *link) { -- cgit v1.2.3-59-g8ed1b