linux-kernel - [PATCH 4/8] drm/msm/dpu: don't use INTF_INPUT

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Message-Id: <20200526032235.21930-5-jonathan@marek.ca>
Date:   Mon, 25 May 2020 23:22:11 -0400
From:   Jonathan Marek <jonathan@...ek.ca>
To:     freedreno@...ts.freedesktop.org
Cc:     Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Shubhashree Dhar <dhar@...eaurora.org>,
        Raviteja Tamatam <travitej@...eaurora.org>,
        Kalyan Thota <kalyan_t@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-msm@...r.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU),
        dri-devel@...ts.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO
        GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 4/8] drm/msm/dpu: don't use INTF_INPUT_CTRL feature on sdm845

The INTF_INPUT_CTRL feature is not available on sdm845, so don't set it.

This also adds separate feature bits for INTF (based on downstream) instead
of using CTL feature bit for it, and removes the unnecessary NULL check in
the added bind_pingpong_blk function.

Fixes: 73bfb790ac786ca55fa2786a06f59 ("msm:disp:dpu1: setup display datapath for SC7180 target")

Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
---
 .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c    | 20 +++++++++++--------
 .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h    | 13 ++++++++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c   |  9 ++-------
 3 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
index 496407f1cd08..1e64fa08c219 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -41,6 +41,10 @@
 #define PINGPONG_SDM845_SPLIT_MASK \
 	(PINGPONG_SDM845_MASK | BIT(DPU_PINGPONG_TE2))
 
+#define INTF_SDM845_MASK (0)
+
+#define INTF_SC7180_MASK BIT(DPU_INTF_INPUT_CTRL) | BIT(DPU_INTF_TE)
+
 #define DEFAULT_PIXEL_RAM_SIZE		(50 * 1024)
 #define DEFAULT_DPU_LINE_WIDTH		2048
 #define DEFAULT_DPU_OUTPUT_LINE_WIDTH	2560
@@ -376,26 +380,26 @@ static struct dpu_pingpong_cfg sc7180_pp[] = {
 /*************************************************************
  * INTF sub blocks config
  *************************************************************/
-#define INTF_BLK(_name, _id, _base, _type, _ctrl_id) \
+#define INTF_BLK(_name, _id, _base, _type, _ctrl_id, _features) \
 	{\
 	.name = _name, .id = _id, \
 	.base = _base, .len = 0x280, \
-	.features = BIT(DPU_CTL_ACTIVE_CFG), \
+	.features = _features, \
 	.type = _type, \
 	.controller_id = _ctrl_id, \
 	.prog_fetch_lines_worst_case = 24 \
 	}
 
 static const struct dpu_intf_cfg sdm845_intf[] = {
-	INTF_BLK("intf_0", INTF_0, 0x6A000, INTF_DP, 0),
-	INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0),
-	INTF_BLK("intf_2", INTF_2, 0x6B000, INTF_DSI, 1),
-	INTF_BLK("intf_3", INTF_3, 0x6B800, INTF_DP, 1),
+	INTF_BLK("intf_0", INTF_0, 0x6A000, INTF_DP, 0, INTF_SDM845_MASK),
+	INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0, INTF_SDM845_MASK),
+	INTF_BLK("intf_2", INTF_2, 0x6B000, INTF_DSI, 1, INTF_SDM845_MASK),
+	INTF_BLK("intf_3", INTF_3, 0x6B800, INTF_DP, 1, INTF_SDM845_MASK),
 };
 
 static const struct dpu_intf_cfg sc7180_intf[] = {
-	INTF_BLK("intf_0", INTF_0, 0x6A000, INTF_DP, 0),
-	INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0),
+	INTF_BLK("intf_0", INTF_0, 0x6A000, INTF_DP, 0, INTF_SC7180_MASK),
+	INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0, INTF_SC7180_MASK),
 };
 
 /*************************************************************
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
index 7a8d1c6658d2..31ddb2be9c57 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -175,6 +175,19 @@ enum {
 	DPU_CTL_MAX
 };
 
+/**
+ * INTF sub-blocks
+ * @DPU_INTF_INPUT_CTRL         Supports the setting of pp block from which
+ *                              pixel data arrives to this INTF
+ * @DPU_INTF_TE                 INTF block has TE configuration support
+ * @DPU_INTF_MAX
+ */
+enum {
+	DPU_INTF_INPUT_CTRL = 0x1,
+	DPU_INTF_TE,
+	DPU_INTF_MAX
+};
+
 /**
  * VBIF sub-blocks and features
  * @DPU_VBIF_QOS_OTLIM        VBIF supports OT Limit
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
index efe9a5719c6b..64f556d693dd 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
@@ -225,14 +225,9 @@ static void dpu_hw_intf_bind_pingpong_blk(
 		bool enable,
 		const enum dpu_pingpong pp)
 {
-	struct dpu_hw_blk_reg_map *c;
+	struct dpu_hw_blk_reg_map *c = &intf->hw;
 	u32 mux_cfg;
 
-	if (!intf)
-		return;
-
-	c = &intf->hw;
-
 	mux_cfg = DPU_REG_READ(c, INTF_MUX);
 	mux_cfg &= ~0xf;
 
@@ -280,7 +275,7 @@ static void _setup_intf_ops(struct dpu_hw_intf_ops *ops,
 	ops->get_status = dpu_hw_intf_get_status;
 	ops->enable_timing = dpu_hw_intf_enable_timing_engine;
 	ops->get_line_count = dpu_hw_intf_get_line_count;
-	if (cap & BIT(DPU_CTL_ACTIVE_CFG))
+	if (cap & BIT(DPU_INTF_INPUT_CTRL))
 		ops->bind_pingpong_blk = dpu_hw_intf_bind_pingpong_blk;
 }
 
-- 
2.26.1