drm/amd/display: Extend DMUB HW params to allow DM to specify boot options

[Why & How]
Add the field to HW params to allow DM dynamically pass down debug and
boot options as needed.
Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dmub/dmub_srv.h

@@ -216,6 +216,23 @@ struct dmub_srv_fb_info {
 	struct dmub_fb fb[DMUB_WINDOW_TOTAL];
 };
 
+/*
+ * struct dmub_srv_hw_params - params for dmub hardware initialization
+ * @fb: framebuffer info for each region
+ * @fb_base: base of the framebuffer aperture
+ * @fb_offset: offset of the framebuffer aperture
+ * @psp_version: psp version to pass for DMCU init
+ * @load_inst_const: true if DMUB should load inst const fw
+ */
+struct dmub_srv_hw_params {
+	struct dmub_fb *fb[DMUB_WINDOW_TOTAL];
+	uint64_t fb_base;
+	uint64_t fb_offset;
+	uint32_t psp_version;
+	bool load_inst_const;
+	bool skip_panel_power_sequence;
+};
+
 /**
  * struct dmub_srv_base_funcs - Driver specific base callbacks
  */
@@ -290,7 +307,8 @@ struct dmub_srv_hw_funcs {
 	bool (*is_hw_init)(struct dmub_srv *dmub);
 
 	bool (*is_phy_init)(struct dmub_srv *dmub);
-	void (*enable_dmub_boot_options)(struct dmub_srv *dmub);
+	void (*enable_dmub_boot_options)(struct dmub_srv *dmub,
+				const struct dmub_srv_hw_params *params);
 
 	void (*skip_dmub_panel_power_sequence)(struct dmub_srv *dmub, bool skip);
 
@@ -325,23 +343,6 @@ struct dmub_srv_create_params {
 	bool is_virtual;
 };
 
-/*
- * struct dmub_srv_hw_params - params for dmub hardware initialization
- * @fb: framebuffer info for each region
- * @fb_base: base of the framebuffer aperture
- * @fb_offset: offset of the framebuffer aperture
- * @psp_version: psp version to pass for DMCU init
- * @load_inst_const: true if DMUB should load inst const fw
- */
-struct dmub_srv_hw_params {
-	struct dmub_fb *fb[DMUB_WINDOW_TOTAL];
-	uint64_t fb_base;
-	uint64_t fb_offset;
-	uint32_t psp_version;
-	bool load_inst_const;
-	bool skip_panel_power_sequence;
-};
-
 /**
  * struct dmub_srv - software state for dmcub
  * @asic: dmub asic identifier

drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c

@@ -385,7 +385,7 @@ union dmub_fw_boot_status dmub_dcn20_get_fw_boot_status(struct dmub_srv *dmub)
 	return status;
 }
 
-void dmub_dcn20_enable_dmub_boot_options(struct dmub_srv *dmub)
+void dmub_dcn20_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmub_srv_hw_params *params)
 {
 	union dmub_fw_boot_options boot_options = {0};
 

drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h

@@ -221,7 +221,7 @@ bool dmub_dcn20_is_gpint_acked(struct dmub_srv *dmub,
 
 uint32_t dmub_dcn20_get_gpint_response(struct dmub_srv *dmub);
 
-void dmub_dcn20_enable_dmub_boot_options(struct dmub_srv *dmub);
+void dmub_dcn20_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmub_srv_hw_params *params);
 
 void dmub_dcn20_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip);
 

drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c

@@ -514,6 +514,10 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 	outbox0_rb_params.capacity = tracebuff_fb->size - dmub_align(TRACE_BUFFER_ENTRY_OFFSET, 64);
 	dmub_rb_init(&dmub->outbox0_rb, &outbox0_rb_params);
 
+	/* Report to DMUB what features are supported by current driver */
+	if (dmub->hw_funcs.enable_dmub_boot_options)
+		dmub->hw_funcs.enable_dmub_boot_options(dmub, params);
+
 	if (dmub->hw_funcs.reset_release)
 		dmub->hw_funcs.reset_release(dmub);