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| author |   Austin Zheng <austin.zheng@amd.com> | 2023-07-26 10:18:39 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2023-08-07 17:14:08 -0400 |
| commit | 6cffc78e5ad5e8f2ad81ed11d42a522993fd52b9 (patch) | |
| tree | 074e9778d0af7a8465225f4f35cf71c331f36f1c | |
| parent | drm/amd/display: Make mpc32 functions available to future DCNs (diff) | |
| download | wireguard-linux-6cffc78e5ad5e8f2ad81ed11d42a522993fd52b9.tar.xz wireguard-linux-6cffc78e5ad5e8f2ad81ed11d42a522993fd52b9.zip | |
drm/amd/display: Set Stream Update Flags in commit_state_no_check
[Why]
Front-end would be programmed using the stream update flags set
from the previous update and the full update should be triggered
whenever commit_state_no_check gets called.
[How]
Set all stream update flags before programming the front-end
Clear all flags that got set to avoid redundant programming
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Austin Zheng <austin.zheng@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index dfd31b169412..4326daa21094 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1925,6 +1925,14 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c dc_trigger_sync(dc, context); + /* Full update should unconditionally be triggered when dc_commit_state_no_check is called */ + for (i = 0; i < context->stream_count; i++) { + uint32_t prev_dsc_changed = context->streams[i]->update_flags.bits.dsc_changed; + + context->streams[i]->update_flags.raw = 0xFFFFFFFF; + context->streams[i]->update_flags.bits.dsc_changed = prev_dsc_changed; + } + /* Program all planes within new context*/ if (dc->hwss.program_front_end_for_ctx) { dc->hwss.interdependent_update_lock(dc, context, true); @@ -2003,6 +2011,11 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c for (i = 0; i < context->stream_count; i++) context->streams[i]->mode_changed = false; + /* Clear update flags that were set earlier to avoid redundant programming */ + for (i = 0; i < context->stream_count; i++) { + context->streams[i]->update_flags.raw = 0x0; + } + old_state = dc->current_state; dc->current_state = context; |