Commit 42cf181b authored by Dmytro Laktyushkin's avatar Dmytro Laktyushkin Committed by Alex Deucher
Browse files

drm/amd/display: add warning on long reg_wait 



Signed-off-by: default avatarDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 33af27bb

drivers/gpu/drm/amd/display/dc/dc_helper.c

+6 −1
Original line number Diff line number Diff line
@@ -156,9 +156,14 @@ uint32_t generic_reg_wait(const struct dc_context *ctx, 


		field_value = get_reg_field_value_ex(reg_val, mask, shift);



		if (field_value == condition_value)

		if (field_value == condition_value) {

			if (i * delay_between_poll_us > 1000)

				dm_output_to_console("REG_WAIT taking a while: %dms in %s line:%d\n",

						delay_between_poll_us * i / 1000,

						func_name, line);

			return reg_val;

		}

	}



	dm_error("REG_WAIT timeout %dus * %d tries - %s line:%d\n",

			delay_between_poll_us, time_out_num_tries,

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