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drm/amd/display: Add DPIA Link Encoder Assignment Fix for DCN35

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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>
This commit is contained in:
Mustapha Ghaddar 2023-08-10 16:20:23 -04:00 committed by Alex Deucher
parent ecbaaa544b
commit a3e6f21403
1 changed files with 23 additions and 0 deletions
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23
drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c
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@ -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(