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drm/amd/display: Implementing ramless idle mouse trigger

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[Why & How]
Adding mouse trigger in dc_stream to
recover from low refresh rate idle state
upon mouse movement without vsync interrupts.

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Muaaz Nisar <muaaz.nisar@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Muaaz Nisar 2026-02-04 03:08:01 -05:00 committed by Alex Deucher
parent c6e2639cdc
commit 63b7f58265
3 changed files with 28 additions and 0 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -3369,6 +3369,10 @@ static void copy_stream_update_to_stream(struct dc *dc,
stream->scaler_sharpener_update = *update->scaler_sharpener_update;
if (update->sharpening_required)
stream->sharpening_required = *update->sharpening_required;
if (update->drr_trigger_mode) {
stream->drr_trigger_mode = *update->drr_trigger_mode;
}
}
static void backup_planes_and_stream_state(

15
drivers/gpu/drm/amd/display/dc/core/dc_stream.c
View File

@ -515,6 +515,21 @@ bool dc_stream_program_cursor_position(
}
}
if (stream->drr_trigger_mode == DRR_TRIGGER_ON_FLIP_AND_CURSOR) {
/* apply manual trigger */
int i;
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
/* trigger event on first pipe with current stream */
if (stream == pipe_ctx->stream) {
pipe_ctx->stream_res.tg->funcs->program_manual_trigger(pipe_ctx->stream_res.tg);
break;
}
}
}
return true;
}

9
drivers/gpu/drm/amd/display/dc/dc_stream.h
View File

@ -183,6 +183,11 @@ struct luminance_data {
int dm_max_decrease_from_nominal;
};
enum dc_drr_trigger_mode {
DRR_TRIGGER_ON_FLIP = 0,
DRR_TRIGGER_ON_FLIP_AND_CURSOR,
};
struct dc_stream_state {
// sink is deprecated, new code should not reference
// this pointer
@ -316,6 +321,8 @@ struct dc_stream_state {
bool scaler_sharpener_update;
bool sharpening_required;
enum dc_drr_trigger_mode drr_trigger_mode;
struct dc_update_scratch_space *update_scratch;
};
@ -366,6 +373,8 @@ struct dc_stream_update {
bool *hw_cursor_req;
bool *scaler_sharpener_update;
bool *sharpening_required;
enum dc_drr_trigger_mode *drr_trigger_mode;
};
bool dc_is_stream_unchanged(