From c35b6ea8f2ecfa9d775530b70d4e727869099a9c Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Fri, 23 Jun 2023 10:05:20 -0500 Subject: drm/amd/display: Set minimum requirement for using PSR-SU on Rembrandt A number of parade TCONs are causing system hangs when utilized with older DMUB firmware and PSR-SU. Some changes have been introduced into DMUB firmware to add resilience against these failures. Don't allow running PSR-SU unless on the newer firmware. Cc: stable@vger.kernel.org Cc: Sean Wang Cc: Marc Rossi Cc: Hamza Mahfooz Cc: Tsung-hua (Ryan) Lin Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2443 Signed-off-by: Mario Limonciello Reviewed-by: Leo Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c') diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c index d647f68fd563..4f61d4f257cd 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c @@ -24,6 +24,7 @@ */ #include "amdgpu_dm_psr.h" +#include "dc_dmub_srv.h" #include "dc.h" #include "dm_helpers.h" #include "amdgpu_dm.h" @@ -50,7 +51,7 @@ static bool link_supports_psrsu(struct dc_link *link) !link->dpcd_caps.psr_info.psr2_su_y_granularity_cap) return false; - return true; + return dc_dmub_check_min_version(dc->ctx->dmub_srv->dmub); } /* -- cgit v1.2.3-70-g09d2