Files
build/patch/kernel/archive/sm8250-6.7/0001-drm-msm-dpu1-improve-support-for-active-CTLs.patch
2023-11-26 23:20:57 +01:00

84 lines
2.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sun, 14 Mar 2021 04:52:34 +0300
Subject: drm/msm/dpu1: improve support for active CTLs
- Support setting master interface if several INTFs are to be handled by
a single CTL
- Support setting handling several MERGE_3D instances using a single
CTL.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 15 ++++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h | 2 ++
2 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
index 86182c734..4ecffbcdb 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -510,6 +510,7 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
u32 intf_active = 0;
u32 wb_active = 0;
u32 mode_sel = 0;
+ u32 merge_3d_active = 0;
/* CTL_TOP[31:28] carries group_id to collate CTL paths
* per VM. Explicitly disable it until VM support is
@@ -530,16 +531,30 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
if (cfg->wb)
wb_active |= BIT(cfg->wb - WB_0);
+ merge_3d_active = DPU_REG_READ(c, CTL_MERGE_3D_ACTIVE);
+ if (cfg->merge_3d)
+ merge_3d_active |= BIT(cfg->merge_3d - MERGE_3D_0);
+
DPU_REG_WRITE(c, CTL_TOP, mode_sel);
DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);
DPU_REG_WRITE(c, CTL_WB_ACTIVE, wb_active);
+ if (cfg->intf_master)
+ DPU_REG_WRITE(c, CTL_INTF_MASTER, BIT(cfg->intf_master - INTF_0));
+
if (cfg->merge_3d)
DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE,
BIT(cfg->merge_3d - MERGE_3D_0));
if (cfg->dsc)
DPU_REG_WRITE(c, CTL_DSC_ACTIVE, cfg->dsc);
+ if (cfg->merge_3d)
+ DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE, merge_3d_active);
+
+ if (cfg->intf_master)
+ DPU_DEBUG_DRIVER("ACTIVE: %x %x %lx\n", intf_active, merge_3d_active, BIT(cfg->intf_master - INTF_0));
+ else
+ DPU_DEBUG_DRIVER("ACTIVE: %x %x\n", intf_active, merge_3d_active);
}
static void dpu_hw_ctl_intf_cfg(struct dpu_hw_ctl *ctx,
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
index 1c242298f..36dd4e91a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
@@ -36,6 +36,7 @@ struct dpu_hw_stage_cfg {
/**
* struct dpu_hw_intf_cfg :Describes how the DPU writes data to output interface
* @intf : Interface id
+ * @intf_master: Master interface id in the dual pipe topology
* @mode_3d: 3d mux configuration
* @merge_3d: 3d merge block used
* @intf_mode_sel: Interface mode, cmd / vid
@@ -44,6 +45,7 @@ struct dpu_hw_stage_cfg {
*/
struct dpu_hw_intf_cfg {
enum dpu_intf intf;
+ enum dpu_intf intf_master;
enum dpu_wb wb;
enum dpu_3d_blend_mode mode_3d;
enum dpu_merge_3d merge_3d;
--
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