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authorRodrigo Siqueira2023-03-24 14:29:52 -0600
committerGreg Kroah-Hartman2023-08-03 10:23:56 +0200
commit27931ea53ce59ff421c42c08d4ad3df4b632babe (patch)
treed2a433fc6c7279574953659ca939cd47722de872
parent6415d5de13f532297005ef100cefa92c80fe40db (diff)
drm/amd/display: Add FAMS validation before trying to use it
[ Upstream commit e3416e872f84086667df21daf166506fab97358d ] To ensure that FAMS can be used, DC must check if there is VRR support. This commit adds the required configuration to ensure FAMS can be executed in the target system. Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Stable-dep-of: 2a9482e55968 ("drm/amd/display: Prevent vtotal from being set to 0") Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c6
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_stream.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c7
-rw-r--r--drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h2
4 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 6e2220e2e5ba..27cec123cb06 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -2588,6 +2588,12 @@ static enum surface_update_type check_update_surfaces_for_stream(
if (stream_update->mst_bw_update)
su_flags->bits.mst_bw = 1;
+
+ if (stream_update->stream && stream_update->stream->freesync_on_desktop &&
+ (stream_update->vrr_infopacket || stream_update->allow_freesync ||
+ stream_update->vrr_active_variable))
+ su_flags->bits.fams_changed = 1;
+
if (stream_update->crtc_timing_adjust && dc_extended_blank_supported(dc))
su_flags->bits.crtc_timing_adjust = 1;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 73dccd485895..364ff913527d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -131,6 +131,7 @@ union stream_update_flags {
uint32_t dsc_changed : 1;
uint32_t mst_bw : 1;
uint32_t crtc_timing_adjust : 1;
+ uint32_t fams_changed : 1;
} bits;
uint32_t raw;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
index 25749f7d8836..94894fd6c906 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
@@ -292,7 +292,12 @@ void optc3_wait_drr_doublebuffer_pending_clear(struct timing_generator *optc)
void optc3_set_vtotal_min_max(struct timing_generator *optc, int vtotal_min, int vtotal_max)
{
- optc1_set_vtotal_min_max(optc, vtotal_min, vtotal_max);
+ struct dc *dc = optc->ctx->dc;
+
+ if (dc->caps.dmub_caps.mclk_sw && !dc->debug.disable_fams)
+ dc_dmub_srv_drr_update_cmd(dc, optc->inst, vtotal_min, vtotal_max);
+ else
+ optc1_set_vtotal_min_max(optc, vtotal_min, vtotal_max);
}
void optc3_tg_init(struct timing_generator *optc)
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 27a4ea7dc74e..d8c05bc45957 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -345,7 +345,7 @@ union dmub_fw_boot_status {
uint32_t optimized_init_done : 1; /**< 1 if optimized init done */
uint32_t restore_required : 1; /**< 1 if driver should call restore */
uint32_t defer_load : 1; /**< 1 if VBIOS data is deferred programmed */
- uint32_t reserved : 1;
+ uint32_t fams_enabled : 1; /**< 1 if VBIOS data is deferred programmed */
uint32_t detection_required: 1; /**< if detection need to be triggered by driver */
} bits; /**< status bits */