[PATCH 6/9] drm/amd/display: Add debug param to force dio disable

Rodrigo Siqueira Rodrigo.Siqueira at amd.com
Fri Sep 25 14:54:52 UTC 2020


From: Wesley Chalmers <Wesley.Chalmers at amd.com>

[WHY]
At the moment, some tests are failing because cur_link_settings is
invalid. As a workaround, add an option to force dio disable.

Signed-off-by: Wesley Chalmers <Wesley.Chalmers at amd.com>
Reviewed-by: Martin Leung <Martin.Leung at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 2 ++
 drivers/gpu/drm/amd/display/dc/dc.h      | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 9fabe264cdea..dc90d26e2663 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -735,6 +735,8 @@ static bool dc_construct(struct dc *dc,
 	dc->clk_mgr->force_smu_not_present = init_params->force_smu_not_present;
 #endif
 
+	dc->debug.force_ignore_link_settings = init_params->force_ignore_link_settings;
+
 	if (dc->res_pool->funcs->update_bw_bounding_box)
 		dc->res_pool->funcs->update_bw_bounding_box(dc, dc->clk_mgr->bw_params);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 061ca15660ac..82fe0ab56e3a 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -503,6 +503,7 @@ struct dc_debug_options {
 	bool usbc_combo_phy_reset_wa;
 	bool disable_dsc;
 	bool enable_dram_clock_change_one_display_vactive;
+	bool force_ignore_link_settings;
 };
 
 struct dc_debug_data {
@@ -660,6 +661,7 @@ struct dc_init_data {
 #if defined(CONFIG_DRM_AMD_DC_DCN3_0)
 	bool force_smu_not_present;
 #endif
+	bool force_ignore_link_settings;
 };
 
 struct dc_callback_init {
-- 
2.28.0



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