diff options
| author | Mustapha Ghaddar <mghaddar@amd.com> | 2023-08-10 16:20:23 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-20 16:24:08 -0400 |
| commit | a3e6f214032cbbe73a3c012fd11d3f632f8efffa (patch) | |
| tree | 85f0e09b8f876a484c14bc79a7591d0db0d2969b /drivers | |
| parent | ecbaaa544b682167f93128098e90d928eba1202c (diff) | |
drm/amd/display: Add DPIA Link Encoder Assignment Fix for DCN35
For DPIA we should have preferred DIG assignment based on DPIA selected
as per the ASIC design
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: George Shen <george.shen@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Mustapha Ghaddar <mghaddar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c index 60e7e09a577a..02480920a5b0 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c @@ -863,6 +863,28 @@ static const struct dce_i2c_mask i2c_masks = { I2C_COMMON_MASK_SH_LIST_DCN35(_MASK) }; +/* ========================================================== */ + +/* + * DPIA index | Preferred Encoder | Host Router + * 0 | C | 0 + * 1 | First Available | 0 + * 2 | D | 1 + * 3 | First Available | 1 + */ +/* ========================================================== */ +static const enum engine_id dpia_to_preferred_enc_id_table[] = { + ENGINE_ID_DIGC, + ENGINE_ID_DIGC, + ENGINE_ID_DIGD, + ENGINE_ID_DIGD +}; + +static enum engine_id dcn35_get_preferred_eng_id_dpia(unsigned int dpia_index) +{ + return dpia_to_preferred_enc_id_table[dpia_index]; +} + static struct dce_i2c_hw *dcn31_i2c_hw_create( struct dc_context *ctx, uint32_t inst) @@ -1701,6 +1723,7 @@ static struct resource_funcs dcn35_res_pool_funcs = { .update_bw_bounding_box = dcn35_update_bw_bounding_box_fpu, .patch_unknown_plane_state = dcn20_patch_unknown_plane_state, .get_panel_config_defaults = dcn35_get_panel_config_defaults, + .get_preferred_eng_id_dpia = dcn35_get_preferred_eng_id_dpia, }; static bool dcn35_resource_construct( |