Commit cd2e31a9 authored by Mario Limonciello's avatar Mario Limonciello Committed by Alex Deucher
Browse files

drm/amd/display: Set minimum requirement for using PSR-SU on Phoenix 



The same parade TCON issue can potentially happen on Phoenix, and the same
PSR resilience changes have been ported into the DMUB firmware.

Don't allow running PSR-SU unless on the newer firmware.

Cc: stable@vger.kernel.org
Cc: Sean Wang <sean.ns.wang@amd.com>
Cc: Marc Rossi <Marc.Rossi@amd.com>
Cc: Hamza Mahfooz <Hamza.Mahfooz@amd.com>
Cc: Tsung-hua (Ryan) Lin <Tsung-hua.Lin@amd.com>
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Reviewed-by: default avatarLeo Li <sunpeng.li@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c35b6ea8

drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c

+5 −0
Original line number Diff line number Diff line
@@ -60,3 +60,8 @@ const struct dmub_srv_dcn31_regs dmub_srv_dcn314_regs = { 
	{ DMUB_DCN31_FIELDS() },

#undef DMUB_SF

};



bool dmub_dcn314_is_psrsu_supported(struct dmub_srv *dmub)

{

	return dmub->fw_version >= DMUB_FW_VERSION(8, 0, 16);

}

drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h

+2 −0
Original line number Diff line number Diff line
@@ -30,4 +30,6 @@ 


extern const struct dmub_srv_dcn31_regs dmub_srv_dcn314_regs;



bool dmub_dcn314_is_psrsu_supported(struct dmub_srv *dmub);



#endif /* _DMUB_DCN314_H_ */

drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c

+1 −0
Original line number Diff line number Diff line
@@ -228,6 +228,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) 
	case DMUB_ASIC_DCN316:

		if (asic == DMUB_ASIC_DCN314) {

			dmub->regs_dcn31 = &dmub_srv_dcn314_regs;

			funcs->is_psrsu_supported = dmub_dcn314_is_psrsu_supported;

		} else if (asic == DMUB_ASIC_DCN315) {

			dmub->regs_dcn31 = &dmub_srv_dcn315_regs;

		} else if (asic == DMUB_ASIC_DCN316) {