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authorJessica Zhang <quic_jesszhan@quicinc.com>2024-12-16 16:43:25 -0800
committerDmitry Baryshkov <dmitry.baryshkov@linaro.org>2024-12-24 22:06:11 +0200
commita5463629299bc12d7a6308d20e662d5b36e10cb9 (patch)
tree0d2f04bafc19b6f734d1052ad3b8eec066120a48
parenta31a610fd44b6670f0b45fe109c34abda54d412b (diff)
drm/msm/dpu: Add RM support for allocating CWB
Add support for allocating the concurrent writeback mux as part of the WB allocation Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/629238/ Link: https://lore.kernel.org/r/20241216-concurrent-wb-v4-14-fe220297a7f0@quicinc.com
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c16
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h2
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
index 7ebb7e4276ca..5baf9df702b8 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
- * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#define pr_fmt(fmt) "[drm:%s] " fmt, __func__
@@ -9,6 +9,7 @@
#include "dpu_hw_lm.h"
#include "dpu_hw_ctl.h"
#include "dpu_hw_cdm.h"
+#include "dpu_hw_cwb.h"
#include "dpu_hw_pingpong.h"
#include "dpu_hw_sspp.h"
#include "dpu_hw_intf.h"
@@ -122,6 +123,19 @@ int dpu_rm_init(struct drm_device *dev,
rm->hw_wb[wb->id - WB_0] = hw;
}
+ for (i = 0; i < cat->cwb_count; i++) {
+ struct dpu_hw_cwb *hw;
+ const struct dpu_cwb_cfg *cwb = &cat->cwb[i];
+
+ hw = dpu_hw_cwb_init(dev, cwb, mmio);
+ if (IS_ERR(hw)) {
+ rc = PTR_ERR(hw);
+ DPU_ERROR("failed cwb object creation: err %d\n", rc);
+ goto fail;
+ }
+ rm->cwb_blks[cwb->id - CWB_0] = &hw->base;
+ }
+
for (i = 0; i < cat->ctl_count; i++) {
struct dpu_hw_ctl *hw;
const struct dpu_ctl_cfg *ctl = &cat->ctl[i];
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
index 8f2f041fc708..99bd594ee0d1 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
@@ -20,6 +20,7 @@ struct dpu_global_state;
* @ctl_blks: array of ctl hardware resources
* @hw_intf: array of intf hardware resources
* @hw_wb: array of wb hardware resources
+ * @hw_cwb: array of cwb hardware resources
* @dspp_blks: array of dspp hardware resources
* @hw_sspp: array of sspp hardware resources
* @cdm_blk: cdm hardware resource
@@ -30,6 +31,7 @@ struct dpu_rm {
struct dpu_hw_blk *ctl_blks[CTL_MAX - CTL_0];
struct dpu_hw_intf *hw_intf[INTF_MAX - INTF_0];
struct dpu_hw_wb *hw_wb[WB_MAX - WB_0];
+ struct dpu_hw_blk *cwb_blks[CWB_MAX - CWB_0];
struct dpu_hw_blk *dspp_blks[DSPP_MAX - DSPP_0];
struct dpu_hw_blk *merge_3d_blks[MERGE_3D_MAX - MERGE_3D_0];
struct dpu_hw_blk *dsc_blks[DSC_MAX - DSC_0];