Commit a3e6f214 authored by Mustapha Ghaddar's avatar Mustapha Ghaddar Committed by Alex Deucher
Browse files

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: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: default avatarGeorge Shen <george.shen@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarMustapha Ghaddar <mghaddar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ecbaaa54

drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c

+23 −0
Original line number Diff line number Diff line
@@ -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(