[PATCH v1 8/8] drm/msm/dpu: move SSPP debugfs support from plane to SSPP code
Dmitry Baryshkov
dmitry.baryshkov at linaro.org
Wed Dec 1 22:26:33 UTC 2021
We are preparing to change DPU plane implementation. Move SSPP debugfs
code from dpu_plane.c to dpu_hw_sspp.c, where it belongs.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c | 67 +++++++++++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h | 4 +
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 +
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 82 +++------------------
4 files changed, 84 insertions(+), 70 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
index d77eb7da5daf..ae3cf2e4d7d9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c
@@ -8,6 +8,8 @@
#include "dpu_hw_sspp.h"
#include "dpu_kms.h"
+#include <drm/drm_file.h>
+
#define DPU_FETCH_CONFIG_RESET_VALUE 0x00000087
/* DPU_SSPP_SRC */
@@ -686,6 +688,71 @@ static void _setup_layer_ops(struct dpu_hw_pipe *c,
c->ops.setup_cdp = dpu_hw_sspp_setup_cdp;
}
+#ifdef CONFIG_DEBUG_FS
+int _dpu_hw_sspp_init_debugfs(struct dpu_hw_pipe *hw_pipe, struct dpu_kms *kms, struct dentry *entry)
+{
+ const struct dpu_sspp_cfg *cfg = hw_pipe->cap;
+ const struct dpu_sspp_sub_blks *sblk = cfg->sblk;
+ struct dentry *debugfs_root;
+ char sspp_name[32];
+
+ snprintf(sspp_name, sizeof(sspp_name), "%d", hw_pipe->idx);
+
+ /* create overall sub-directory for the pipe */
+ debugfs_root =
+ debugfs_create_dir(sspp_name, entry);
+
+ /* don't error check these */
+ debugfs_create_xul("features", 0600,
+ debugfs_root, (unsigned long *)&hw_pipe->cap->features);
+
+ /* add register dump support */
+ dpu_debugfs_create_regset32("src_blk", 0400,
+ debugfs_root,
+ sblk->src_blk.base + cfg->base,
+ sblk->src_blk.len,
+ kms);
+
+ if (cfg->features & BIT(DPU_SSPP_SCALER_QSEED3) ||
+ cfg->features & BIT(DPU_SSPP_SCALER_QSEED3LITE) ||
+ cfg->features & BIT(DPU_SSPP_SCALER_QSEED2) ||
+ cfg->features & BIT(DPU_SSPP_SCALER_QSEED4))
+ dpu_debugfs_create_regset32("scaler_blk", 0400,
+ debugfs_root,
+ sblk->scaler_blk.base + cfg->base,
+ sblk->scaler_blk.len,
+ kms);
+
+ if (cfg->features & BIT(DPU_SSPP_CSC) ||
+ cfg->features & BIT(DPU_SSPP_CSC_10BIT))
+ dpu_debugfs_create_regset32("csc_blk", 0400,
+ debugfs_root,
+ sblk->csc_blk.base + cfg->base,
+ sblk->csc_blk.len,
+ kms);
+
+ debugfs_create_u32("xin_id",
+ 0400,
+ debugfs_root,
+ (u32 *) &cfg->xin_id);
+ debugfs_create_u32("clk_ctrl",
+ 0400,
+ debugfs_root,
+ (u32 *) &cfg->clk_ctrl);
+ debugfs_create_x32("creq_vblank",
+ 0600,
+ debugfs_root,
+ (u32 *) &sblk->creq_vblank);
+ debugfs_create_x32("danger_vblank",
+ 0600,
+ debugfs_root,
+ (u32 *) &sblk->danger_vblank);
+
+ return 0;
+}
+#endif
+
+
static const struct dpu_sspp_cfg *_sspp_offset(enum dpu_sspp sspp,
void __iomem *addr,
struct dpu_mdss_cfg *catalog,
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
index e8939d7387cb..cef281687bab 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h
@@ -381,6 +381,7 @@ struct dpu_hw_pipe {
struct dpu_hw_sspp_ops ops;
};
+struct dpu_kms;
/**
* dpu_hw_sspp_init - initializes the sspp hw driver object.
* Should be called once before accessing every pipe.
@@ -400,5 +401,8 @@ struct dpu_hw_pipe *dpu_hw_sspp_init(enum dpu_sspp idx,
*/
void dpu_hw_sspp_destroy(struct dpu_hw_pipe *ctx);
+void dpu_debugfs_sspp_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root);
+int _dpu_hw_sspp_init_debugfs(struct dpu_hw_pipe *hw_pipe, struct dpu_kms *kms, struct dentry *entry);
+
#endif /*_DPU_HW_SSPP_H */
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 7e7a619769a8..de9efe6dcf7c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -281,6 +281,7 @@ static int dpu_kms_debugfs_init(struct msm_kms *kms, struct drm_minor *minor)
dpu_debugfs_danger_init(dpu_kms, entry);
dpu_debugfs_vbif_init(dpu_kms, entry);
dpu_debugfs_core_irq_init(dpu_kms, entry);
+ dpu_debugfs_sspp_init(dpu_kms, entry);
for (i = 0; i < ARRAY_SIZE(priv->dp); i++) {
if (priv->dp[i])
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index ef66af696a40..cc7a7eb84fdd 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -13,7 +13,6 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_uapi.h>
#include <drm/drm_damage_helper.h>
-#include <drm/drm_file.h>
#include <drm/drm_gem_atomic_helper.h>
#include "msm_drv.h"
@@ -1356,78 +1355,22 @@ void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable)
pm_runtime_put_sync(&dpu_kms->pdev->dev);
}
-static int _dpu_plane_init_debugfs(struct drm_plane *plane)
+/* SSPP live inside dpu_plane private data only. Enumerate them here. */
+void dpu_debugfs_sspp_init(struct dpu_kms *dpu_kms, struct dentry *debugfs_root)
{
- struct dpu_plane *pdpu = to_dpu_plane(plane);
- struct dpu_kms *kms = _dpu_plane_get_kms(plane);
- const struct dpu_sspp_cfg *cfg = pdpu->pipe_hw->cap;
- const struct dpu_sspp_sub_blks *sblk = cfg->sblk;
- struct dentry *debugfs_root;
-
- /* create overall sub-directory for the pipe */
- debugfs_root =
- debugfs_create_dir(plane->name,
- plane->dev->primary->debugfs_root);
-
- /* don't error check these */
- debugfs_create_xul("features", 0600,
- debugfs_root, (unsigned long *)&pdpu->pipe_hw->cap->features);
-
- /* add register dump support */
- dpu_debugfs_create_regset32("src_blk", 0400,
- debugfs_root,
- sblk->src_blk.base + cfg->base,
- sblk->src_blk.len,
- kms);
-
- if (cfg->features & BIT(DPU_SSPP_SCALER_QSEED3) ||
- cfg->features & BIT(DPU_SSPP_SCALER_QSEED3LITE) ||
- cfg->features & BIT(DPU_SSPP_SCALER_QSEED2) ||
- cfg->features & BIT(DPU_SSPP_SCALER_QSEED4))
- dpu_debugfs_create_regset32("scaler_blk", 0400,
- debugfs_root,
- sblk->scaler_blk.base + cfg->base,
- sblk->scaler_blk.len,
- kms);
-
- if (cfg->features & BIT(DPU_SSPP_CSC) ||
- cfg->features & BIT(DPU_SSPP_CSC_10BIT))
- dpu_debugfs_create_regset32("csc_blk", 0400,
- debugfs_root,
- sblk->csc_blk.base + cfg->base,
- sblk->csc_blk.len,
- kms);
-
- debugfs_create_u32("xin_id",
- 0400,
- debugfs_root,
- (u32 *) &cfg->xin_id);
- debugfs_create_u32("clk_ctrl",
- 0400,
- debugfs_root,
- (u32 *) &cfg->clk_ctrl);
- debugfs_create_x32("creq_vblank",
- 0600,
- debugfs_root,
- (u32 *) &sblk->creq_vblank);
- debugfs_create_x32("danger_vblank",
- 0600,
- debugfs_root,
- (u32 *) &sblk->danger_vblank);
+ struct drm_plane *plane;
+ struct dentry *entry = debugfs_create_dir("sspp", debugfs_root);
- return 0;
-}
-#else
-static int _dpu_plane_init_debugfs(struct drm_plane *plane)
-{
- return 0;
-}
-#endif
+ if (IS_ERR(entry))
+ return;
-static int dpu_plane_late_register(struct drm_plane *plane)
-{
- return _dpu_plane_init_debugfs(plane);
+ drm_for_each_plane(plane, dpu_kms->dev) {
+ struct dpu_plane *pdpu = to_dpu_plane(plane);
+
+ _dpu_hw_sspp_init_debugfs(pdpu->pipe_hw, dpu_kms, entry);
+ }
}
+#endif
static bool dpu_plane_format_mod_supported(struct drm_plane *plane,
uint32_t format, uint64_t modifier)
@@ -1453,7 +1396,6 @@ static const struct drm_plane_funcs dpu_plane_funcs = {
.reset = dpu_plane_reset,
.atomic_duplicate_state = dpu_plane_duplicate_state,
.atomic_destroy_state = dpu_plane_destroy_state,
- .late_register = dpu_plane_late_register,
.format_mod_supported = dpu_plane_format_mod_supported,
};
--
2.33.0
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