From 2672e4e71a9183b81c20d19ab460f6159dd5119a Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Thu, 2 Dec 2021 01:26:33 +0300 Subject: [PATCH] drm/msm/dpu: move SSPP debugfs support from plane to SSPP code 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 Reviewed-by: Abhinav Kumar Link: https://lore.kernel.org/r/20211201222633.2476780-9-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Rob Clark --- 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 75aa478..09cdc35 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 + #define DPU_FETCH_CONFIG_RESET_VALUE 0x00000087 /* DPU_SSPP_SRC */ @@ -692,6 +694,71 @@ 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 227b09f..92b071b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h @@ -387,6 +387,7 @@ 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. @@ -406,5 +407,8 @@ 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 e741e76..281c9601 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 beeea42..ca75089 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 #include #include -#include #include #include "msm_drv.h" @@ -1388,78 +1387,22 @@ 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) @@ -1486,7 +1429,6 @@ static const struct drm_plane_funcs dpu_plane_funcs = { .atomic_duplicate_state = dpu_plane_duplicate_state, .atomic_destroy_state = dpu_plane_destroy_state, .atomic_print_state = dpu_plane_atomic_print_state, - .late_register = dpu_plane_late_register, .format_mod_supported = dpu_plane_format_mod_supported, }; -- 2.7.4