1 files changed, 157 insertions, 24 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index a1f5d7c4ab91..1fd82b6747e9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -2,7 +2,7 @@
 /*
  * Copyright (C) 2013 Red Hat
  * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Author: Rob Clark <robdclark@gmail.com>
  */
@@ -51,6 +51,9 @@
 #define DPU_DEBUGFS_DIR "msm_dpu"
 #define DPU_DEBUGFS_HWMASKNAME "hw_log_mask"
 
+bool dpu_use_virtual_planes;
+module_param(dpu_use_virtual_planes, bool, 0);
+
 static int dpu_kms_hw_init(struct msm_kms *kms);
 static void _dpu_kms_mmu_destroy(struct dpu_kms *dpu_kms);
 
@@ -230,6 +233,21 @@ static int dpu_regset32_show(struct seq_file *s, void *data)
 }
 DEFINE_SHOW_ATTRIBUTE(dpu_regset32);
 
+/**
+ * dpu_debugfs_create_regset32 - Create register read back file for debugfs
+ *
+ * This function is almost identical to the standard debugfs_create_regset32()
+ * function, with the main difference being that a list of register
+ * names/offsets do not need to be provided. The 'read' function simply outputs
+ * sequential register values over a specified range.
+ *
+ * @name:   File name within debugfs
+ * @mode:   File mode within debugfs
+ * @parent: Parent directory entry within debugfs, can be NULL
+ * @offset: sub-block offset
+ * @length: sub-block length, in bytes
+ * @dpu_kms: pointer to dpu kms structure
+ */
 void dpu_debugfs_create_regset32(const char *name, umode_t mode,
 		void *parent,
 		uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms)
@@ -348,9 +366,18 @@ static void dpu_kms_global_destroy_state(struct drm_private_obj *obj,
 	kfree(dpu_state);
 }
 
+static void dpu_kms_global_print_state(struct drm_printer *p,
+				       const struct drm_private_state *state)
+{
+	const struct dpu_global_state *global_state = to_dpu_global_state(state);
+
+	dpu_rm_print_state(p, global_state);
+}
+
 static const struct drm_private_state_funcs dpu_kms_global_state_funcs = {
 	.atomic_duplicate_state = dpu_kms_global_duplicate_state,
 	.atomic_destroy_state = dpu_kms_global_destroy_state,
+	.atomic_print_state = dpu_kms_global_print_state,
 };
 
 static int dpu_kms_global_obj_init(struct dpu_kms *dpu_kms)
@@ -364,6 +391,9 @@ static int dpu_kms_global_obj_init(struct dpu_kms *dpu_kms)
 	drm_atomic_private_obj_init(dpu_kms->dev, &dpu_kms->global_state,
 				    &state->base,
 				    &dpu_kms_global_state_funcs);
+
+	state->rm = &dpu_kms->rm;
+
 	return 0;
 }
 
@@ -416,6 +446,19 @@ static void dpu_kms_disable_commit(struct msm_kms *kms)
 	pm_runtime_put_sync(&dpu_kms->pdev->dev);
 }
 
+static int dpu_kms_check_mode_changed(struct msm_kms *kms, struct drm_atomic_state *state)
+{
+	struct drm_crtc_state *new_crtc_state;
+	struct drm_crtc_state *old_crtc_state;
+	struct drm_crtc *crtc;
+	int i;
+
+	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i)
+		dpu_crtc_check_mode_changed(old_crtc_state, new_crtc_state);
+
+	return 0;
+}
+
 static void dpu_kms_flush_commit(struct msm_kms *kms, unsigned crtc_mask)
 {
 	struct dpu_kms *dpu_kms = to_dpu_kms(kms);
@@ -493,6 +536,44 @@ static void dpu_kms_wait_flush(struct msm_kms *kms, unsigned crtc_mask)
 		dpu_kms_wait_for_commit_done(kms, crtc);
 }
 
+static const char *dpu_vsync_sources[] = {
+	[DPU_VSYNC_SOURCE_GPIO_0] = "mdp_vsync_p",
+	[DPU_VSYNC_SOURCE_GPIO_1] = "mdp_vsync_s",
+	[DPU_VSYNC_SOURCE_GPIO_2] = "mdp_vsync_e",
+	[DPU_VSYNC_SOURCE_INTF_0] = "mdp_intf0",
+	[DPU_VSYNC_SOURCE_INTF_1] = "mdp_intf1",
+	[DPU_VSYNC_SOURCE_INTF_2] = "mdp_intf2",
+	[DPU_VSYNC_SOURCE_INTF_3] = "mdp_intf3",
+	[DPU_VSYNC_SOURCE_WD_TIMER_0] = "timer0",
+	[DPU_VSYNC_SOURCE_WD_TIMER_1] = "timer1",
+	[DPU_VSYNC_SOURCE_WD_TIMER_2] = "timer2",
+	[DPU_VSYNC_SOURCE_WD_TIMER_3] = "timer3",
+	[DPU_VSYNC_SOURCE_WD_TIMER_4] = "timer4",
+};
+
+static int dpu_kms_dsi_set_te_source(struct msm_display_info *info,
+				     struct msm_dsi *dsi)
+{
+	const char *te_source = msm_dsi_get_te_source(dsi);
+	int i;
+
+	if (!te_source) {
+		info->vsync_source = DPU_VSYNC_SOURCE_GPIO_0;
+		return 0;
+	}
+
+	/* we can not use match_string since dpu_vsync_sources is a sparse array */
+	for (i = 0; i < ARRAY_SIZE(dpu_vsync_sources); i++) {
+		if (dpu_vsync_sources[i] &&
+		    !strcmp(dpu_vsync_sources[i], te_source)) {
+			info->vsync_source = i;
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
 static int _dpu_kms_initialize_dsi(struct drm_device *dev,
 				    struct msm_drm_private *priv,
 				    struct dpu_kms *dpu_kms)
@@ -531,6 +612,12 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev,
 
 		info.is_cmd_mode = msm_dsi_is_cmd_mode(priv->dsi[i]);
 
+		rc = dpu_kms_dsi_set_te_source(&info, priv->dsi[i]);
+		if (rc) {
+			DPU_ERROR("failed to identify TE source for dsi display\n");
+			return rc;
+		}
+
 		encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_DSI, &info);
 		if (IS_ERR(encoder)) {
 			DPU_ERROR("encoder init failed for dsi display\n");
@@ -737,8 +824,11 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 		return ret;
 
 	num_encoders = 0;
-	drm_for_each_encoder(encoder, dev)
+	drm_for_each_encoder(encoder, dev) {
 		num_encoders++;
+		if (catalog->cwb_count > 0)
+			encoder->possible_clones = dpu_encoder_get_clones(encoder);
+	}
 
 	max_crtc_count = min(catalog->mixer_count, num_encoders);
 
@@ -758,8 +848,11 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 			  type, catalog->sspp[i].features,
 			  catalog->sspp[i].features & BIT(DPU_SSPP_CURSOR));
 
-		plane = dpu_plane_init(dev, catalog->sspp[i].id, type,
-				       (1UL << max_crtc_count) - 1);
+		if (dpu_use_virtual_planes)
+			plane = dpu_plane_init_virtual(dev, type, (1UL << max_crtc_count) - 1);
+		else
+			plane = dpu_plane_init(dev, catalog->sspp[i].id, type,
+					       (1UL << max_crtc_count) - 1);
 		if (IS_ERR(plane)) {
 			DPU_ERROR("dpu_plane_init failed\n");
 			ret = PTR_ERR(plane);
@@ -861,12 +954,14 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
 	/* dump CTL sub-blocks HW regs info */
 	for (i = 0; i < cat->ctl_count; i++)
 		msm_disp_snapshot_add_block(disp_state, cat->ctl[i].len,
-				dpu_kms->mmio + cat->ctl[i].base, cat->ctl[i].name);
+				dpu_kms->mmio + cat->ctl[i].base, "%s",
+				cat->ctl[i].name);
 
 	/* dump DSPP sub-blocks HW regs info */
 	for (i = 0; i < cat->dspp_count; i++) {
 		base = dpu_kms->mmio + cat->dspp[i].base;
-		msm_disp_snapshot_add_block(disp_state, cat->dspp[i].len, base, cat->dspp[i].name);
+		msm_disp_snapshot_add_block(disp_state, cat->dspp[i].len, base,
+					    "%s", cat->dspp[i].name);
 
 		if (cat->dspp[i].sblk && cat->dspp[i].sblk->pcc.len > 0)
 			msm_disp_snapshot_add_block(disp_state, cat->dspp[i].sblk->pcc.len,
@@ -878,13 +973,14 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
 	/* dump INTF sub-blocks HW regs info */
 	for (i = 0; i < cat->intf_count; i++)
 		msm_disp_snapshot_add_block(disp_state, cat->intf[i].len,
-				dpu_kms->mmio + cat->intf[i].base, cat->intf[i].name);
+				dpu_kms->mmio + cat->intf[i].base, "%s",
+				cat->intf[i].name);
 
 	/* dump PP sub-blocks HW regs info */
 	for (i = 0; i < cat->pingpong_count; i++) {
 		base = dpu_kms->mmio + cat->pingpong[i].base;
 		msm_disp_snapshot_add_block(disp_state, cat->pingpong[i].len, base,
-					    cat->pingpong[i].name);
+					    "%s", cat->pingpong[i].name);
 
 		/* TE2 sub-block has length of 0, so will not print it */
 
@@ -898,7 +994,8 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
 	/* dump SSPP sub-blocks HW regs info */
 	for (i = 0; i < cat->sspp_count; i++) {
 		base = dpu_kms->mmio + cat->sspp[i].base;
-		msm_disp_snapshot_add_block(disp_state, cat->sspp[i].len, base, cat->sspp[i].name);
+		msm_disp_snapshot_add_block(disp_state, cat->sspp[i].len, base,
+					    "%s", cat->sspp[i].name);
 
 		if (cat->sspp[i].sblk && cat->sspp[i].sblk->scaler_blk.len > 0)
 			msm_disp_snapshot_add_block(disp_state, cat->sspp[i].sblk->scaler_blk.len,
@@ -916,12 +1013,14 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
 	/* dump LM sub-blocks HW regs info */
 	for (i = 0; i < cat->mixer_count; i++)
 		msm_disp_snapshot_add_block(disp_state, cat->mixer[i].len,
-				dpu_kms->mmio + cat->mixer[i].base, cat->mixer[i].name);
+				dpu_kms->mmio + cat->mixer[i].base,
+				"%s", cat->mixer[i].name);
 
 	/* dump WB sub-blocks HW regs info */
 	for (i = 0; i < cat->wb_count; i++)
 		msm_disp_snapshot_add_block(disp_state, cat->wb[i].len,
-				dpu_kms->mmio + cat->wb[i].base, cat->wb[i].name);
+				dpu_kms->mmio + cat->wb[i].base, "%s",
+				cat->wb[i].name);
 
 	if (cat->mdp[0].features & BIT(DPU_MDP_PERIPH_0_REMOVED)) {
 		msm_disp_snapshot_add_block(disp_state, MDP_PERIPH_TOP0,
@@ -933,10 +1032,16 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
 				dpu_kms->mmio + cat->mdp[0].base, "top");
 	}
 
+	/* dump CWB sub-blocks HW regs info */
+	for (i = 0; i < cat->cwb_count; i++)
+		msm_disp_snapshot_add_block(disp_state, cat->cwb[i].len,
+					    dpu_kms->mmio + cat->cwb[i].base, cat->cwb[i].name);
+
 	/* dump DSC sub-blocks HW regs info */
 	for (i = 0; i < cat->dsc_count; i++) {
 		base = dpu_kms->mmio + cat->dsc[i].base;
-		msm_disp_snapshot_add_block(disp_state, cat->dsc[i].len, base, cat->dsc[i].name);
+		msm_disp_snapshot_add_block(disp_state, cat->dsc[i].len, base,
+					    "%s", cat->dsc[i].name);
 
 		if (cat->dsc[i].features & BIT(DPU_DSC_HW_REV_1_2)) {
 			struct dpu_dsc_blk enc = cat->dsc[i].sblk->enc;
@@ -951,7 +1056,16 @@ static void dpu_kms_mdp_snapshot(struct msm_disp_state *disp_state, struct msm_k
 
 	if (cat->cdm)
 		msm_disp_snapshot_add_block(disp_state, cat->cdm->len,
-					    dpu_kms->mmio + cat->cdm->base, cat->cdm->name);
+					    dpu_kms->mmio + cat->cdm->base,
+					    "%s", cat->cdm->name);
+
+	for (i = 0; i < dpu_kms->catalog->vbif_count; i++) {
+		const struct dpu_vbif_cfg *vbif = &dpu_kms->catalog->vbif[i];
+
+		msm_disp_snapshot_add_block(disp_state, vbif->len,
+					    dpu_kms->vbif[vbif->id] + vbif->base,
+					    "%s", vbif->name);
+	}
 
 	pm_runtime_put_sync(&dpu_kms->pdev->dev);
 }
@@ -964,13 +1078,12 @@ static const struct msm_kms_funcs kms_funcs = {
 	.irq             = dpu_core_irq,
 	.enable_commit   = dpu_kms_enable_commit,
 	.disable_commit  = dpu_kms_disable_commit,
+	.check_mode_changed = dpu_kms_check_mode_changed,
 	.flush_commit    = dpu_kms_flush_commit,
 	.wait_flush      = dpu_kms_wait_flush,
 	.complete_commit = dpu_kms_complete_commit,
 	.enable_vblank   = dpu_kms_enable_vblank,
 	.disable_vblank  = dpu_kms_disable_vblank,
-	.check_modified_format = dpu_format_check_modified_format,
-	.get_format      = dpu_get_msm_format,
 	.destroy         = dpu_kms_destroy,
 	.snapshot        = dpu_kms_mdp_snapshot,
 #ifdef CONFIG_DEBUG_FS
@@ -1006,6 +1119,13 @@ static int _dpu_kms_mmu_init(struct dpu_kms *dpu_kms)
 	return 0;
 }
 
+/**
+ * dpu_kms_get_clk_rate() - get the clock rate
+ * @dpu_kms:  pointer to dpu_kms structure
+ * @clock_name: clock name to get the rate
+ *
+ * Return: current clock rate
+ */
 unsigned long dpu_kms_get_clk_rate(struct dpu_kms *dpu_kms, char *clock_name)
 {
 	struct clk *clk;
@@ -1091,7 +1211,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 	dpu_kms->hw_mdp = dpu_hw_mdptop_init(dev,
 					     dpu_kms->catalog->mdp,
 					     dpu_kms->mmio,
-					     dpu_kms->catalog);
+					     dpu_kms->catalog->mdss_ver);
 	if (IS_ERR(dpu_kms->hw_mdp)) {
 		rc = PTR_ERR(dpu_kms->hw_mdp);
 		DPU_ERROR("failed to get hw_mdp: %d\n", rc);
@@ -1126,6 +1246,16 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 		goto err_pm_put;
 	}
 
+	/*
+	 * We need to program DP <-> PHY relationship only for SC8180X since it
+	 * has fewer DP controllers than DP PHYs.
+	 * If any other platform requires the same kind of programming, or if
+	 * the INTF <->DP relationship isn't static anymore, this needs to be
+	 * configured through the DT.
+	 */
+	if (of_device_is_compatible(dpu_kms->pdev->dev.of_node, "qcom,sc8180x-dpu"))
+		dpu_kms->hw_mdp->ops.dp_phy_intf_sel(dpu_kms->hw_mdp, (unsigned int[]){ 1, 2, });
+
 	dpu_kms->hw_intr = dpu_hw_intr_init(dev, dpu_kms->mmio, dpu_kms->catalog);
 	if (IS_ERR(dpu_kms->hw_intr)) {
 		rc = PTR_ERR(dpu_kms->hw_intr);
@@ -1137,13 +1267,8 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 	dev->mode_config.min_width = 0;
 	dev->mode_config.min_height = 0;
 
-	/*
-	 * max crtc width is equal to the max mixer width * 2 and max height is
-	 * is 4K
-	 */
-	dev->mode_config.max_width =
-			dpu_kms->catalog->caps->max_mixer_width * 2;
-	dev->mode_config.max_height = 4096;
+	dev->mode_config.max_width = DPU_MAX_IMG_WIDTH;
+	dev->mode_config.max_height = DPU_MAX_IMG_HEIGHT;
 
 	dev->max_vblank_count = 0xffffffff;
 	/* Disable vblank irqs aggressively for power-saving */
@@ -1380,8 +1505,14 @@ static const struct dev_pm_ops dpu_pm_ops = {
 };
 
 static const struct of_device_id dpu_dt_match[] = {
+	{ .compatible = "qcom,msm8917-mdp5", .data = &dpu_msm8917_cfg, },
+	{ .compatible = "qcom,msm8937-mdp5", .data = &dpu_msm8937_cfg, },
+	{ .compatible = "qcom,msm8953-mdp5", .data = &dpu_msm8953_cfg, },
+	{ .compatible = "qcom,msm8996-mdp5", .data = &dpu_msm8996_cfg, },
 	{ .compatible = "qcom,msm8998-dpu", .data = &dpu_msm8998_cfg, },
 	{ .compatible = "qcom,qcm2290-dpu", .data = &dpu_qcm2290_cfg, },
+	{ .compatible = "qcom,sa8775p-dpu", .data = &dpu_sa8775p_cfg, },
+	{ .compatible = "qcom,sar2130p-dpu", .data = &dpu_sar2130p_cfg, },
 	{ .compatible = "qcom,sdm630-mdp5", .data = &dpu_sdm630_cfg, },
 	{ .compatible = "qcom,sdm660-mdp5", .data = &dpu_sdm660_cfg, },
 	{ .compatible = "qcom,sdm670-dpu", .data = &dpu_sdm670_cfg, },
@@ -1392,8 +1523,10 @@ static const struct of_device_id dpu_dt_match[] = {
 	{ .compatible = "qcom,sc8280xp-dpu", .data = &dpu_sc8280xp_cfg, },
 	{ .compatible = "qcom,sm6115-dpu", .data = &dpu_sm6115_cfg, },
 	{ .compatible = "qcom,sm6125-dpu", .data = &dpu_sm6125_cfg, },
+	{ .compatible = "qcom,sm6150-dpu", .data = &dpu_sm6150_cfg, },
 	{ .compatible = "qcom,sm6350-dpu", .data = &dpu_sm6350_cfg, },
 	{ .compatible = "qcom,sm6375-dpu", .data = &dpu_sm6375_cfg, },
+	{ .compatible = "qcom,sm7150-dpu", .data = &dpu_sm7150_cfg, },
 	{ .compatible = "qcom,sm8150-dpu", .data = &dpu_sm8150_cfg, },
 	{ .compatible = "qcom,sm8250-dpu", .data = &dpu_sm8250_cfg, },
 	{ .compatible = "qcom,sm8350-dpu", .data = &dpu_sm8350_cfg, },
@@ -1407,7 +1540,7 @@ MODULE_DEVICE_TABLE(of, dpu_dt_match);
 
 static struct platform_driver dpu_driver = {
 	.probe = dpu_dev_probe,
-	.remove_new = dpu_dev_remove,
+	.remove = dpu_dev_remove,
 	.shutdown = msm_kms_shutdown,
 	.driver = {
 		.name = "msm_dpu",