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| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2024-03-15 09:20:42 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-27 01:42:45 -0400 |
| commit | 54935663d3ace0129a6805386fcef3ddd5477934 (patch) | |
| tree | 73598468def27f26a193b2a2b68b00d08a6a53a2 /drivers/gpu | |
| parent | a13ad81951c1334a2ddd0225929552f2eb7f074c (diff) | |
| download | linux-stable-54935663d3ace0129a6805386fcef3ddd5477934.tar.gz linux-stable-54935663d3ace0129a6805386fcef3ddd5477934.tar.bz2 linux-stable-54935663d3ace0129a6805386fcef3ddd5477934.zip | |
drm/amd/display: Add new IPS config mode
[Why]
We don't have a way to specify IPS2 for display off but RCG only for
static screen and local video playback.
[How]
Add a new setting that allows RCG only when displays are active but
IPS2 when all displays are off.
Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 1 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 12c142cae78b..9ae0e602e737 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -1201,6 +1201,20 @@ bool dc_dmub_srv_is_hw_pwr_up(struct dc_dmub_srv *dc_dmub_srv, bool wait) return true; } +static int count_active_streams(const struct dc *dc) +{ + int i, count = 0; + + for (i = 0; i < dc->current_state->stream_count; ++i) { + struct dc_stream_state *stream = dc->current_state->streams[i]; + + if (stream && !stream->dpms_off) + count += 1; + } + + return count; +} + static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle) { volatile const struct dmub_shared_state_ips_fw *ips_fw; @@ -1255,6 +1269,21 @@ static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle) new_signals.bits.allow_pg = 1; new_signals.bits.allow_ips1 = 1; new_signals.bits.allow_ips2 = 1; + } else if (dc->config.disable_ips == DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF) { + /* TODO: Move this logic out to hwseq */ + if (count_active_streams(dc) == 0) { + /* IPS2 - Display off */ + new_signals.bits.allow_pg = 1; + new_signals.bits.allow_ips1 = 1; + new_signals.bits.allow_ips2 = 1; + new_signals.bits.allow_z10 = 1; + } else { + /* RCG only */ + new_signals.bits.allow_pg = 0; + new_signals.bits.allow_ips1 = 1; + new_signals.bits.allow_ips2 = 0; + new_signals.bits.allow_z10 = 0; + } } ips_driver->signals = new_signals; 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 34cb25c6166a..995a54459335 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -624,6 +624,7 @@ enum dmub_ips_disable_type { DMUB_IPS_DISABLE_IPS2 = 3, DMUB_IPS_DISABLE_IPS2_Z10 = 4, DMUB_IPS_DISABLE_DYNAMIC = 5, + DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF = 6, }; #define DMUB_IPS1_ALLOW_MASK 0x00000001 |