Squash dpu_debugfs_setup_regset32() into dpu_debugfs_create_regset32(). it makes little sense to have separate function to just setup the structure.
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 32 ++++++++++++------- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 38 +++-------------------- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 27 +++++----------- 3 files changed, 33 insertions(+), 64 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 4c04982c71b2..7e7a619769a8 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -182,6 +182,15 @@ static void dpu_debugfs_danger_init(struct dpu_kms *dpu_kms,
}
+/* + * Companion structure for dpu_debugfs_create_regset32. + */ +struct dpu_debugfs_regset32 { + uint32_t offset; + uint32_t blk_len; + struct dpu_kms *dpu_kms; +}; + static int _dpu_debugfs_show_regset32(struct seq_file *s, void *data) { struct dpu_debugfs_regset32 *regset = s->private; @@ -229,24 +238,23 @@ static const struct file_operations dpu_fops_regset32 = { .release = single_release, };
-void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset, +void dpu_debugfs_create_regset32(const char *name, umode_t mode, + void *parent, uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms) { - if (regset) { - regset->offset = offset; - regset->blk_len = length; - regset->dpu_kms = dpu_kms; - } -} + struct dpu_debugfs_regset32 *regset;
-void dpu_debugfs_create_regset32(const char *name, umode_t mode, - void *parent, struct dpu_debugfs_regset32 *regset) -{ - if (!name || !regset || !regset->dpu_kms || !regset->blk_len) + if (WARN_ON(!name || !dpu_kms || !length)) + return; + + regset = devm_kzalloc(&dpu_kms->pdev->dev, sizeof(*regset), GFP_KERNEL); + if (!regset) return;
/* make sure offset is a multiple of 4 */ - regset->offset = round_down(regset->offset, 4); + regset->offset = round_down(offset, 4); + regset->blk_len = length; + regset->dpu_kms = dpu_kms;
debugfs_create_file(name, mode, parent, regset, &dpu_fops_regset32); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index 775bcbda860f..b53cdeb1b5c4 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -160,33 +160,9 @@ struct dpu_global_state * * Documentation/filesystems/debugfs.rst * - * @dpu_debugfs_setup_regset32: Initialize data for dpu_debugfs_create_regset32 * @dpu_debugfs_create_regset32: Create 32-bit register dump file - * @dpu_debugfs_get_root: Get root dentry for DPU_KMS's debugfs node */
-/** - * Companion structure for dpu_debugfs_create_regset32. Do not initialize the - * members of this structure explicitly; use dpu_debugfs_setup_regset32 instead. - */ -struct dpu_debugfs_regset32 { - uint32_t offset; - uint32_t blk_len; - struct dpu_kms *dpu_kms; -}; - -/** - * dpu_debugfs_setup_regset32 - Initialize register block definition for debugfs - * This function is meant to initialize dpu_debugfs_regset32 structures for use - * with dpu_debugfs_create_regset32. - * @regset: opaque register definition structure - * @offset: sub-block offset - * @length: sub-block length, in bytes - * @dpu_kms: pointer to dpu kms structure - */ -void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset, - uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms); - /** * dpu_debugfs_create_regset32 - Create register read back file for debugfs * @@ -195,20 +171,16 @@ void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset, * names/offsets do not need to be provided. The 'read' function simply outputs * sequential register values over a specified range. * - * Similar to the related debugfs_create_regset32 API, the structure pointed to - * by regset needs to persist for the lifetime of the created file. The calling - * code is responsible for initialization/management of this structure. - * - * The structure pointed to by regset is meant to be opaque. Please use - * dpu_debugfs_setup_regset32 to initialize it. - * * @name: File name within debugfs * @mode: File mode within debugfs * @parent: Parent directory entry within debugfs, can be NULL - * @regset: Pointer to persistent register block definition + * @offset: sub-block offset + * @length: sub-block length, in bytes + * @dpu_kms: pointer to dpu kms structure */ void dpu_debugfs_create_regset32(const char *name, umode_t mode, - void *parent, struct dpu_debugfs_regset32 *regset); + void *parent, + uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms);
/** * dpu_debugfs_get_root - Return root directory entry for KMS's debugfs diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index d3176f58708e..ef66af696a40 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -108,11 +108,6 @@ struct dpu_plane { bool is_virtual; struct list_head mplane_list; struct dpu_mdss_cfg *catalog; - - /* debugfs related stuff */ - struct dpu_debugfs_regset32 debugfs_src; - struct dpu_debugfs_regset32 debugfs_scaler; - struct dpu_debugfs_regset32 debugfs_csc; };
static const uint64_t supported_format_modifiers[] = { @@ -1379,35 +1374,29 @@ static int _dpu_plane_init_debugfs(struct drm_plane *plane) debugfs_root, (unsigned long *)&pdpu->pipe_hw->cap->features);
/* add register dump support */ - dpu_debugfs_setup_regset32(&pdpu->debugfs_src, + dpu_debugfs_create_regset32("src_blk", 0400, + debugfs_root, sblk->src_blk.base + cfg->base, sblk->src_blk.len, kms); - dpu_debugfs_create_regset32("src_blk", 0400, - debugfs_root, &pdpu->debugfs_src);
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_setup_regset32(&pdpu->debugfs_scaler, + 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); - dpu_debugfs_create_regset32("scaler_blk", 0400, - debugfs_root, - &pdpu->debugfs_scaler); - }
if (cfg->features & BIT(DPU_SSPP_CSC) || - cfg->features & BIT(DPU_SSPP_CSC_10BIT)) { - dpu_debugfs_setup_regset32(&pdpu->debugfs_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); - dpu_debugfs_create_regset32("csc_blk", 0400, - debugfs_root, &pdpu->debugfs_csc); - }
debugfs_create_u32("xin_id", 0400,