Merge "drm/msm: dump dsi debug bus busy signal" (7532f4ba) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/gpu/drm/msm/dsi-staging/dsi_catalog.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ static void dsi_catalog_cmn_init(struct dsi_ctrl_hw *ctrl,
		ctrl->ops.phy_reset_config = dsi_ctrl_hw_cmn_phy_reset_config;
		ctrl->ops.setup_misr = dsi_ctrl_hw_cmn_setup_misr;
		ctrl->ops.collect_misr = dsi_ctrl_hw_cmn_collect_misr;
		ctrl->ops.debug_bus = dsi_ctrl_hw_cmn_debug_bus;

		switch (version) {
		case DSI_CTRL_VERSION_1_4:

+1 −0

Original line number	Diff line number	Diff line
		@@ -104,6 +104,7 @@ int dsi_phy_hw_timing_val_v3_0(struct dsi_phy_per_lane_cfgs *timing_cfg,

		/* DSI controller common ops */
		u32 dsi_ctrl_hw_cmn_get_interrupt_status(struct dsi_ctrl_hw *ctrl);
		void dsi_ctrl_hw_cmn_debug_bus(struct dsi_ctrl_hw *ctrl);
		void dsi_ctrl_hw_cmn_clear_interrupt_status(struct dsi_ctrl_hw *ctrl, u32 ints);
		void dsi_ctrl_hw_cmn_enable_status_interrupts(struct dsi_ctrl_hw *ctrl,
		u32 ints);

+20 −0

Original line number	Diff line number	Diff line
		@@ -1431,6 +1431,26 @@ static struct platform_driver dsi_ctrl_driver = {
		},
		};

		#if defined(CONFIG_DEBUG_FS)

		void dsi_ctrl_debug_dump(void)
		{
		struct list_head pos, tmp;
		struct dsi_ctrl *ctrl = NULL;

		mutex_lock(&dsi_ctrl_list_lock);
		list_for_each_safe(pos, tmp, &dsi_ctrl_list) {
		struct dsi_ctrl_list_item *n;

		n = list_entry(pos, struct dsi_ctrl_list_item, list);
		ctrl = n->ctrl;
		pr_err("dsi ctrl:%d\n", ctrl->cell_index);
		ctrl->hw.ops.debug_bus(&ctrl->hw);
		}
		mutex_unlock(&dsi_ctrl_list_lock);
		}

		#endif
		/**
		* dsi_ctrl_get() - get a dsi_ctrl handle from an of_node
		* @of_node: of_node of the DSI controller.

+6 −0

Original line number	Diff line number	Diff line
		@@ -444,6 +444,12 @@ struct dsi_ctrl_hw_ops {
		*/
		void (phy_sw_reset)(struct dsi_ctrl_hw ctrl);

		/**
		* debug_bus() - get dsi debug bus status.
		* @ctrl: Pointer to the controller host hardware.
		*/
		void (debug_bus)(struct dsi_ctrl_hw ctrl);

		/**
		* soft_reset() - perform a soft reset on DSI controller
		* @ctrl: Pointer to the controller host hardware.

+12 −0

Original line number	Diff line number	Diff line
		@@ -424,6 +424,18 @@ void dsi_ctrl_hw_cmn_video_engine_setup(struct dsi_ctrl_hw *ctrl,
		pr_debug("[DSI_%d] Video engine setup done\n", ctrl->index);
		}

		void dsi_ctrl_hw_cmn_debug_bus(struct dsi_ctrl_hw *ctrl)
		{
		u32 reg = 0;

		DSI_W32(ctrl, DSI_DEBUG_BUS_CTL, 0x181);

		/* make sure that debug test point is enabled */
		wmb();
		reg = DSI_R32(ctrl, DSI_DEBUG_BUS_STATUS);

		pr_err("[DSI_%d] debug bus status:0x%x\n", ctrl->index, reg);
		}
		/**
		* cmd_engine_setup() - setup dsi host controller for command mode
		* @ctrl: Pointer to the controller host hardware.