[PATCH 09/23] drm/amd/display: Add debug option for exiting idle optimizations on cursor updates

[Hamza Mahfooz]

From: "Lee, Alvin" <alvin.l...@amd.com>

[Description]
- Have option to exit idle opt on cursor updates
for debug and optimizations purposes

Reviewed-by: Samson Tam <samson....@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahf...@amd.com>
Signed-off-by: Alvin Lee <alvin.l...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 5 +++--
 drivers/gpu/drm/amd/display/dc/dc.h             | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index de8b214132a2..167bb3310877 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -389,7 +389,7 @@ bool dc_stream_set_cursor_position(
        struct dc_stream_state *stream,
        const struct dc_cursor_position *position)
 {
-       struct dc  *dc;
+       struct dc  *dc = stream->ctx->dc;
        bool reset_idle_optimizations = false;
 
        if (NULL == stream) {
@@ -406,7 +406,8 @@ bool dc_stream_set_cursor_position(
        dc_z10_restore(dc);
 
        /* disable idle optimizations if enabling cursor */
-       if (dc->idle_optimizations_allowed && !stream->cursor_position.enable 
&& position->enable) {
+       if (dc->idle_optimizations_allowed && (!stream->cursor_position.enable 
|| dc->debug.exit_idle_opt_for_cursor_updates)
+                       && position->enable) {
                dc_allow_idle_optimizations(dc, false);
                reset_idle_optimizations = true;
        }
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h 
b/drivers/gpu/drm/amd/display/dc/dc.h
index 76db013aac6e..7191fc48c2e7 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -748,6 +748,7 @@ struct dc_debug_options {
        uint8_t psr_power_use_phy_fsm;
        enum dml_hostvm_override_opts dml_hostvm_override;
        bool use_legacy_soc_bb_mechanism;
+       bool exit_idle_opt_for_cursor_updates;
 };
 
 struct gpu_info_soc_bounding_box_v1_0;
-- 
2.36.1