Revert "disp: msm: sde: Add LTM sw fuse check support"

Reverting the change to check for LTM SW fuse to install LTM properties
during probe since LTM SW fuse is enabled later.

This reverts commit 652b195ba40341a6a58813a98a1cbafd29693672.

Change-Id: I19b3e04ff7caaad5de896fbcf433c3b1863ac4f9
Signed-off-by: Ramkumar Radhakrishnan <[email protected]>

msm/sde/sde_color_processing.c

@@ -1883,21 +1883,9 @@ static void dspp_ltm_install_property(struct drm_crtc *crtc)
 	char feature_name[256];
 	struct sde_kms *kms = NULL;
 	struct sde_mdss_cfg *catalog = NULL;
-	u32 version = 0, ltm_sw_fuse = 0;
+	u32 version;
 
 	kms = get_kms(crtc);
-	if (!kms || !kms->hw_sw_fuse) {
-		DRM_ERROR("!kms = %d\n", !kms);
-		return;
-	}
-
-	ltm_sw_fuse = sde_hw_get_ltm_sw_fuse_value(kms->hw_sw_fuse);
-	DRM_DEBUG_DRIVER("ltm_sw_fuse value: 0x%x\n", ltm_sw_fuse);
-	if (ltm_sw_fuse != SW_FUSE_ENABLE) {
-		pr_info("ltm_sw_fuse is not enabled: 0x%x\n", ltm_sw_fuse);
-		return;
-	}
-
 	catalog = kms->catalog;
 	version = catalog->dspp[0].sblk->ltm.version >> 16;
 	snprintf(feature_name, ARRAY_SIZE(feature_name), "%s%d",

msm/sde/sde_hw_top.c

@@ -47,8 +47,6 @@
 #define MDP_WD_TIMER_4_CTL2               0x444
 #define MDP_WD_TIMER_4_LOAD_VALUE         0x448
 
-#define LTM_SW_FUSE_OFFSET 0x10
-
 #define MDP_TICK_COUNT                    16
 #define XO_CLK_RATE                       19200
 #define MS_TICKS_IN_SEC                   1000
@@ -622,33 +620,3 @@ void sde_hw_mdp_destroy(struct sde_hw_mdp *mdp)
 	kfree(mdp);
 }
 
-struct sde_hw_sw_fuse *sde_hw_sw_fuse_init(void __iomem *addr,
-	u32 sw_fuse_len, const struct sde_mdss_cfg *m)
-{
-	struct sde_hw_sw_fuse *c;
-
-	c = kzalloc(sizeof(*c), GFP_KERNEL);
-	if (!c)
-		return ERR_PTR(-ENOMEM);
-
-	c->hw.base_off = addr;
-	c->hw.blk_off = 0;
-	c->hw.length = sw_fuse_len;
-	c->hw.hwversion = m->hwversion;
-
-	return c;
-}
-
-void sde_hw_sw_fuse_destroy(struct sde_hw_sw_fuse *sw_fuse)
-{
-	kfree(sw_fuse);
-}
-
-u32 sde_hw_get_ltm_sw_fuse_value(struct sde_hw_sw_fuse *sw_fuse)
-{
-	u32 ltm_sw_fuse = 0;
-
-	if (sw_fuse)
-		ltm_sw_fuse = SDE_REG_READ(&sw_fuse->hw, LTM_SW_FUSE_OFFSET);
-	return ltm_sw_fuse;
-}

msm/sde/sde_hw_top.h

@@ -234,12 +234,6 @@ struct sde_hw_sid {
 	struct sde_hw_blk_reg_map hw;
 };
 
-#define SW_FUSE_ENABLE 0x1
-struct sde_hw_sw_fuse {
-	/* sw fuse base */
-	struct sde_hw_blk_reg_map hw;
-};
-
 /**
  * sde_hw_sid_rotator_set - initialize the sid blk reg map
  * @addr: Mapped register io address
@@ -277,23 +271,4 @@ struct sde_hw_mdp *sde_hw_mdptop_init(enum sde_mdp idx,
 
 void sde_hw_mdp_destroy(struct sde_hw_mdp *mdp);
 
-/**
- * sde_hw_sw_fuse_init - initialize the sw fuse blk reg map
- * @addr: Mapped register io address
- * @sw_fuse_len: Length of block
- * @m: Pointer to mdss catalog data
- */
-struct sde_hw_sw_fuse *sde_hw_sw_fuse_init(void __iomem *addr,
-		u32 sw_fuse_len, const struct sde_mdss_cfg *m);
-/**
- * sde_hw_sw_fuse_destroy - free memory for sw fuse
- * @sw_fuse: sde_hw_sw_fuse
- */
-void sde_hw_sw_fuse_destroy(struct sde_hw_sw_fuse *sw_fuse);
-
-/**
- * sde_hw_get_ltm_sw_fuse_value - read LTM sw fuse register value
- * @sw_fuse: sde_hw_sw_fuse
- */
-u32 sde_hw_get_ltm_sw_fuse_value(struct sde_hw_sw_fuse *sw_fuse);
 #endif /*_SDE_HW_TOP_H */

msm/sde/sde_kms.c

@@ -1707,11 +1707,6 @@ static void _sde_kms_hw_destroy(struct sde_kms *sde_kms,
 		msm_iounmap(pdev, sde_kms->sid);
 	sde_kms->sid = NULL;
 
-	if (sde_kms->sw_fuse)
-		msm_iounmap(pdev, sde_kms->sw_fuse);
-	sde_hw_sw_fuse_destroy(sde_kms->sw_fuse);
-	sde_kms->sw_fuse = NULL;
-
 	if (sde_kms->reg_dma)
 		msm_iounmap(pdev, sde_kms->reg_dma);
 	sde_kms->reg_dma = NULL;
@@ -3188,19 +3183,6 @@ static int _sde_kms_hw_init_ioremap(struct sde_kms *sde_kms,
 	if (rc)
 		SDE_ERROR("dbg base register sid failed: %d\n", rc);
 
-	sde_kms->sw_fuse = msm_ioremap(platformdev, "swfuse_phys",
-					"swfuse_phys");
-	if (IS_ERR(sde_kms->sw_fuse)) {
-		sde_kms->sw_fuse = NULL;
-		SDE_DEBUG("sw_fuse is not defined");
-	} else {
-		sde_kms->sw_fuse_len = msm_iomap_size(platformdev,
-							"swfuse_phys");
-		rc =  sde_dbg_reg_register_base("sw_fuse", sde_kms->sw_fuse,
-						sde_kms->sw_fuse_len);
-		if (rc)
-			SDE_ERROR("dbg base register sw_fuse failed: %d\n", rc);
-	}
 error:
 	return rc;
 }
@@ -3385,17 +3367,6 @@ static int _sde_kms_hw_init_blocks(struct sde_kms *sde_kms,
 		goto perf_err;
 	}
 
-	if (sde_kms->sw_fuse) {
-		sde_kms->hw_sw_fuse = sde_hw_sw_fuse_init(sde_kms->sw_fuse,
-				sde_kms->sw_fuse_len, sde_kms->catalog);
-		if (IS_ERR(sde_kms->hw_sw_fuse)) {
-			SDE_ERROR("failed to init sw_fuse %ld\n",
-					PTR_ERR(sde_kms->hw_sw_fuse));
-			sde_kms->hw_sw_fuse = NULL;
-		}
-	} else {
-		sde_kms->hw_sw_fuse = NULL;
-	}
 	/*
 	 * _sde_kms_drm_obj_init should create the DRM related objects
 	 * i.e. CRTCs, planes, encoders, connectors and so forth

msm/sde/sde_kms.h

@@ -246,9 +246,8 @@ struct sde_kms {
 	struct dentry *debugfs_vbif;
 
 	/* io/register spaces: */
-	void __iomem *mmio, *vbif[VBIF_MAX], *reg_dma, *sid, *sw_fuse;
+	void __iomem *mmio, *vbif[VBIF_MAX], *reg_dma, *sid;
 	unsigned long mmio_len, vbif_len[VBIF_MAX], reg_dma_len, sid_len;
-	unsigned long sw_fuse_len;
 
 	struct regulator *vdd;
 	struct regulator *mmagic;
@@ -274,7 +273,6 @@ struct sde_kms {
 	struct sde_hw_mdp *hw_mdp;
 	struct sde_hw_uidle *hw_uidle;
 	struct sde_hw_sid *hw_sid;
-	struct sde_hw_sw_fuse *hw_sw_fuse;
 	int dsi_display_count;
 	void **dsi_displays;
 	int wb_display_count;