Commit 665fdce5 authored by Denis Arefev's avatar Denis Arefev Committed by Alex Deucher
Browse files

drm/amd/display: Return value of function 



Added return value check hpd_enable

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: default avatarDenis Arefev <arefev@swemel.ru>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 73b06481

drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c

+1 −1
Original line number Diff line number Diff line
@@ -1645,7 +1645,7 @@ void dce110_link_encoder_enable_hpd(struct link_encoder *enc) 
	uint32_t hpd_enable = 0;

	uint32_t value = dm_read_reg(ctx, addr);



	get_reg_field_value(hpd_enable, DC_HPD_CONTROL, DC_HPD_EN);

	hpd_enable = get_reg_field_value(hpd_enable, DC_HPD_CONTROL, DC_HPD_EN);



	if (hpd_enable == 0)

		set_reg_field_value(value, 1, DC_HPD_CONTROL, DC_HPD_EN);