diff options
author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2024-01-16 09:52:58 -0500 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2024-02-07 12:26:22 -0500 |
commit | a9b1a4f684b32bcd33431b67acd6f4c275728380 (patch) | |
tree | 60ae954340c343ca93178d4f00de04ce8c195d19 /drivers/gpu/drm/amd/display/dc/core/dc.c | |
parent | db8391479f44769bb570f605702ac24ec6c62b85 (diff) |
drm/amd/display: Add more checks for exiting idle in DC
[Why]
Any interface that touches registers needs to wake up the system.
[How]
Add a new interface dc_exit_ips_for_hw_access that wraps the check
for IPS support and insert it into the public DC interfaces that
touch registers.
We don't re-enter, since we expect that the enter/exit to have been done
on the DM side.
Cc: stable@vger.kernel.org # 6.1+
Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 42 |
1 files changed, 42 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 2db361aeaf25..eb803d4d3478 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -417,6 +417,8 @@ bool dc_stream_adjust_vmin_vmax(struct dc *dc, if (!memcmp(&stream->adjust, adjust, sizeof(*adjust))) return true; + dc_exit_ips_for_hw_access(dc); + stream->adjust.v_total_max = adjust->v_total_max; stream->adjust.v_total_mid = adjust->v_total_mid; stream->adjust.v_total_mid_frame_num = adjust->v_total_mid_frame_num; @@ -457,6 +459,8 @@ bool dc_stream_get_last_used_drr_vtotal(struct dc *dc, int i = 0; + dc_exit_ips_for_hw_access(dc); + for (i = 0; i < MAX_PIPES; i++) { struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; @@ -487,6 +491,8 @@ bool dc_stream_get_crtc_position(struct dc *dc, bool ret = false; struct crtc_position position; + dc_exit_ips_for_hw_access(dc); + for (i = 0; i < MAX_PIPES; i++) { struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; @@ -606,6 +612,8 @@ bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream, if (pipe == NULL) return false; + dc_exit_ips_for_hw_access(dc); + /* By default, capture the full frame */ param.windowa_x_start = 0; param.windowa_y_start = 0; @@ -665,6 +673,8 @@ bool dc_stream_get_crc(struct dc *dc, struct dc_stream_state *stream, struct pipe_ctx *pipe; struct timing_generator *tg; + dc_exit_ips_for_hw_access(dc); + for (i = 0; i < MAX_PIPES; i++) { pipe = &dc->current_state->res_ctx.pipe_ctx[i]; if (pipe->stream == stream) @@ -689,6 +699,8 @@ void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream, int i; struct pipe_ctx *pipe_ctx; + dc_exit_ips_for_hw_access(dc); + for (i = 0; i < MAX_PIPES; i++) { if (dc->current_state->res_ctx.pipe_ctx[i].stream == stream) { @@ -724,6 +736,8 @@ void dc_stream_set_dither_option(struct dc_stream_state *stream, if (option > DITHER_OPTION_MAX) return; + dc_exit_ips_for_hw_access(stream->ctx->dc); + stream->dither_option = option; memset(¶ms, 0, sizeof(params)); @@ -748,6 +762,8 @@ bool dc_stream_set_gamut_remap(struct dc *dc, const struct dc_stream_state *stre bool ret = false; struct pipe_ctx *pipes; + dc_exit_ips_for_hw_access(dc); + for (i = 0; i < MAX_PIPES; i++) { if (dc->current_state->res_ctx.pipe_ctx[i].stream == stream) { pipes = &dc->current_state->res_ctx.pipe_ctx[i]; @@ -765,6 +781,8 @@ bool dc_stream_program_csc_matrix(struct dc *dc, struct dc_stream_state *stream) bool ret = false; struct pipe_ctx *pipes; + dc_exit_ips_for_hw_access(dc); + for (i = 0; i < MAX_PIPES; i++) { if (dc->current_state->res_ctx.pipe_ctx[i].stream == stream) { @@ -791,6 +809,8 @@ void dc_stream_set_static_screen_params(struct dc *dc, struct pipe_ctx *pipes_affected[MAX_PIPES]; int num_pipes_affected = 0; + dc_exit_ips_for_hw_access(dc); + for (i = 0; i < num_streams; i++) { struct dc_stream_state *stream = streams[i]; @@ -1769,6 +1789,8 @@ void dc_enable_stereo( int i, j; struct pipe_ctx *pipe; + dc_exit_ips_for_hw_access(dc); + for (i = 0; i < MAX_PIPES; i++) { if (context != NULL) { pipe = &context->res_ctx.pipe_ctx[i]; @@ -1788,6 +1810,8 @@ void dc_enable_stereo( void dc_trigger_sync(struct dc *dc, struct dc_state *context) { if (context->stream_count > 1 && !dc->debug.disable_timing_sync) { + dc_exit_ips_for_hw_access(dc); + enable_timing_multisync(dc, context); program_timing_sync(dc, context); } @@ -2044,6 +2068,8 @@ enum dc_status dc_commit_streams(struct dc *dc, if (!streams_changed(dc, streams, stream_count)) return res; + dc_exit_ips_for_hw_access(dc); + DC_LOG_DC("%s: %d streams\n", __func__, stream_count); for (i = 0; i < stream_count; i++) { @@ -3373,6 +3399,8 @@ static void commit_planes_for_stream_fast(struct dc *dc, int i, j; struct pipe_ctx *top_pipe_to_program = NULL; struct dc_stream_status *stream_status = NULL; + dc_exit_ips_for_hw_access(dc); + dc_z10_restore(dc); top_pipe_to_program = resource_get_otg_master_for_stream( @@ -3527,6 +3555,8 @@ static void commit_planes_for_stream(struct dc *dc, // dc->current_state anymore, so we have to cache it before we apply // the new SubVP context subvp_prev_use = false; + dc_exit_ips_for_hw_access(dc); + dc_z10_restore(dc); if (update_type == UPDATE_TYPE_FULL) wait_for_outstanding_hw_updates(dc, context); @@ -4409,6 +4439,8 @@ bool dc_update_planes_and_stream(struct dc *dc, bool is_plane_addition = 0; bool is_fast_update_only; + dc_exit_ips_for_hw_access(dc); + populate_fast_updates(fast_update, srf_updates, surface_count, stream_update); is_fast_update_only = fast_update_only(dc, fast_update, srf_updates, surface_count, stream_update, stream); @@ -4529,6 +4561,8 @@ void dc_commit_updates_for_stream(struct dc *dc, int i, j; struct dc_fast_update fast_update[MAX_SURFACES] = {0}; + dc_exit_ips_for_hw_access(dc); + populate_fast_updates(fast_update, srf_updates, surface_count, stream_update); stream_status = dc_stream_get_status(stream); context = dc->current_state; @@ -4713,6 +4747,8 @@ void dc_set_power_state( case DC_ACPI_CM_POWER_STATE_D0: dc_state_construct(dc, dc->current_state); + dc_exit_ips_for_hw_access(dc); + dc_z10_restore(dc); dc->hwss.init_hw(dc); @@ -4854,6 +4890,12 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow) dc->idle_optimizations_allowed = allow; } +void dc_exit_ips_for_hw_access(struct dc *dc) +{ + if (dc->caps.ips_support) + dc_allow_idle_optimizations(dc, false); +} + bool dc_dmub_is_ips_idle_state(struct dc *dc) { uint32_t idle_state = 0; |