diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 14ba5eeb974f..deb8010efc69 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -6794,14 +6794,15 @@ const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = { #if defined(CONFIG_DRM_AMD_DC_DCN) static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state, - struct dc_state *dc_state) + struct dc_state *dc_state, + struct dsc_mst_fairness_vars *vars) { struct dc_stream_state *stream = NULL; struct drm_connector *connector; struct drm_connector_state *new_con_state; struct amdgpu_dm_connector *aconnector; struct dm_connector_state *dm_conn_state; - int i, j, clock, bpp; + int i, j, clock; int vcpi, pbn_div, pbn = 0; for_each_new_connector_in_state(state, connector, new_con_state, i) { @@ -6840,9 +6841,15 @@ static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state, } pbn_div = dm_mst_get_pbn_divider(stream->link); - bpp = stream->timing.dsc_cfg.bits_per_pixel; clock = stream->timing.pix_clk_100hz / 10; - pbn = drm_dp_calc_pbn_mode(clock, bpp, true); + /* pbn is calculated by compute_mst_dsc_configs_for_state*/ + for (j = 0; j < dc_state->stream_count; j++) { + if (vars[j].aconnector == aconnector) { + pbn = vars[j].pbn; + break; + } + } + vcpi = drm_dp_mst_atomic_enable_dsc(state, aconnector->port, pbn, pbn_div, @@ -10247,6 +10254,9 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, int ret, i; bool lock_and_validation_needed = false; struct dm_crtc_state *dm_old_crtc_state; +#if defined(CONFIG_DRM_AMD_DC_DCN) + struct dsc_mst_fairness_vars vars[MAX_PIPES]; +#endif trace_amdgpu_dm_atomic_check_begin(state); @@ -10477,10 +10487,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, goto fail; #if defined(CONFIG_DRM_AMD_DC_DCN) - if (!compute_mst_dsc_configs_for_state(state, dm_state->context)) + if (!compute_mst_dsc_configs_for_state(state, dm_state->context, vars)) goto fail; - ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context); + ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context, vars); if (ret) goto fail; #endif |