From: Sean Paul <sean@poorly.run>
To: Yangtao Li <tiny.windzz@gmail.com>
Cc: arnd@arndb.de, abhinavk@codeaurora.org, bzwang@chromium.org,
colin.king@canonical.com, airlied@linux.ie,
jsanka@codeaurora.org, jcrouse@codeaurora.org,
ryadav@codeaurora.org, robdclark@gmail.com,
linux@armlinux.org.uk, swboyd@chromium.org,
skolluku@codeaurora.org, seanpaul@chromium.org,
thierry.reding@gmail.com, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-tegra@vger.kernel.org
Subject: Re: [PATCH] gpu/drm: remove DEFINE_DPU_DEBUGFS_SEQ_FOPS()
Date: Tue, 4 Dec 2018 09:59:43 -0500 [thread overview]
Message-ID: <20181204145943.GS154160@art_vandelay> (raw)
In-Reply-To: <20181202031912.9736-1-tiny.windzz@gmail.com>
On Sat, Dec 01, 2018 at 10:19:11PM -0500, Yangtao Li wrote:
> We already have the DEFINE_SHOW_ATTRIBUTE.There is no need to define
> such a macro separately,so remove DEFINE_DPU_DEBUGFS_SEQ_FOPS.
> Also use DEFINE_SHOW_ATTRIBUTE to simplify some code.
>
> Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
> ---
> drivers/gpu/drm/armada/armada_debugfs.c | 21 ++++--------
> drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c | 14 +-------
> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 33 +++---------------
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 17 ++-------
> drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 36 ++++----------------
For the dpu portion:
Acked-by: Sean Paul <sean@poorly.run>
> drivers/gpu/host1x/debug.c | 34 ++++--------------
> 6 files changed, 29 insertions(+), 126 deletions(-)
>
> diff --git a/drivers/gpu/drm/armada/armada_debugfs.c b/drivers/gpu/drm/armada/armada_debugfs.c
> index 6758c3a83de2..64dccb7c8be2 100644
> --- a/drivers/gpu/drm/armada/armada_debugfs.c
> +++ b/drivers/gpu/drm/armada/armada_debugfs.c
> @@ -28,7 +28,7 @@ static int armada_debugfs_gem_linear_show(struct seq_file *m, void *data)
> return 0;
> }
>
> -static int armada_debugfs_reg_show(struct seq_file *m, void *data)
> +static int reg_show(struct seq_file *m, void *data)
> {
> struct drm_device *dev = m->private;
> struct armada_private *priv = dev->dev_private;
> @@ -50,18 +50,7 @@ static int armada_debugfs_reg_show(struct seq_file *m, void *data)
> return 0;
> }
>
> -static int armada_debugfs_reg_r_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, armada_debugfs_reg_show, inode->i_private);
> -}
> -
> -static const struct file_operations fops_reg_r = {
> - .owner = THIS_MODULE,
> - .open = armada_debugfs_reg_r_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(reg);
>
> static int armada_debugfs_write(struct file *file, const char __user *ptr,
> size_t len, loff_t *off)
> @@ -119,12 +108,14 @@ int armada_drm_debugfs_init(struct drm_minor *minor)
> return ret;
>
> de = debugfs_create_file("reg", S_IFREG | S_IRUSR,
> - minor->debugfs_root, minor->dev, &fops_reg_r);
> + minor->debugfs_root, minor->dev,
> + ®_fops);
> if (!de)
> return -ENOMEM;
>
> de = debugfs_create_file("reg_wr", S_IFREG | S_IWUSR,
> - minor->debugfs_root, minor->dev, &fops_reg_w);
> + minor->debugfs_root, minor->dev,
> + &fops_reg_w);
> if (!de)
> return -ENOMEM;
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
> index 879c13fe74e0..7607aac9449c 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
> @@ -299,18 +299,6 @@ static void dpu_disable_all_irqs(struct dpu_kms *dpu_kms)
> }
>
> #ifdef CONFIG_DEBUG_FS
> -#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix) \
> -static int __prefix ## _open(struct inode *inode, struct file *file) \
> -{ \
> - return single_open(file, __prefix ## _show, inode->i_private); \
> -} \
> -static const struct file_operations __prefix ## _fops = { \
> - .owner = THIS_MODULE, \
> - .open = __prefix ## _open, \
> - .release = single_release, \
> - .read = seq_read, \
> - .llseek = seq_lseek, \
> -}
>
> static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
> {
> @@ -341,7 +329,7 @@ static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
> return 0;
> }
>
> -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_core_irq);
> +DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_core_irq);
>
> int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
> struct dentry *parent)
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index d4530d60767b..e705bad980ee 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -1309,7 +1309,7 @@ int dpu_crtc_vblank(struct drm_crtc *crtc, bool en)
> }
>
> #ifdef CONFIG_DEBUG_FS
> -static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
> +static int status_show(struct seq_file *s, void *data)
> {
> struct dpu_crtc *dpu_crtc;
> struct dpu_plane_state *pstate = NULL;
> @@ -1428,24 +1428,6 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
> return 0;
> }
>
> -static int _dpu_debugfs_status_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, _dpu_debugfs_status_show, inode->i_private);
> -}
> -
> -#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix) \
> -static int __prefix ## _open(struct inode *inode, struct file *file) \
> -{ \
> - return single_open(file, __prefix ## _show, inode->i_private); \
> -} \
> -static const struct file_operations __prefix ## _fops = { \
> - .owner = THIS_MODULE, \
> - .open = __prefix ## _open, \
> - .release = single_release, \
> - .read = seq_read, \
> - .llseek = seq_lseek, \
> -}
> -
> static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v)
> {
> struct drm_crtc *crtc = (struct drm_crtc *) s->private;
> @@ -1468,20 +1450,15 @@ static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v)
>
> return 0;
> }
> -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_crtc_debugfs_state);
> +
> +DEFINE_SHOW_ATTRIBUTE(dpu_crtc_debugfs_state);
> +DEFINE_SHOW_ATTRIBUTE(status);
>
> static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc)
> {
> struct dpu_crtc *dpu_crtc;
> struct dpu_kms *dpu_kms;
>
> - static const struct file_operations debugfs_status_fops = {
> - .open = _dpu_debugfs_status_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> - };
> -
> if (!crtc)
> return -EINVAL;
> dpu_crtc = to_dpu_crtc(crtc);
> @@ -1496,7 +1473,7 @@ static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc)
> /* don't error check these */
> debugfs_create_file("status", 0400,
> dpu_crtc->debugfs_root,
> - dpu_crtc, &debugfs_status_fops);
> + dpu_crtc, &status_fops);
> debugfs_create_file("state", 0600,
> dpu_crtc->debugfs_root,
> &dpu_crtc->base,
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 96cdf06e7da2..a36f9f72da87 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -1873,7 +1873,7 @@ void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc)
> }
>
> #ifdef CONFIG_DEBUG_FS
> -static int _dpu_encoder_status_show(struct seq_file *s, void *data)
> +static int status_show(struct seq_file *s, void *data)
> {
> struct dpu_encoder_virt *dpu_enc;
> int i;
> @@ -1912,11 +1912,7 @@ static int _dpu_encoder_status_show(struct seq_file *s, void *data)
> return 0;
> }
>
> -static int _dpu_encoder_debugfs_status_open(struct inode *inode,
> - struct file *file)
> -{
> - return single_open(file, _dpu_encoder_status_show, inode->i_private);
> -}
> +DEFINE_SHOW_ATTRIBUTE(status);
>
> static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc)
> {
> @@ -1925,13 +1921,6 @@ static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc)
> struct dpu_kms *dpu_kms;
> int i;
>
> - static const struct file_operations debugfs_status_fops = {
> - .open = _dpu_encoder_debugfs_status_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> - };
> -
> char name[DPU_NAME_SIZE];
>
> if (!drm_enc || !drm_enc->dev || !drm_enc->dev->dev_private) {
> @@ -1953,7 +1942,7 @@ static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc)
>
> /* don't error check these */
> debugfs_create_file("status", 0600,
> - dpu_enc->debugfs_root, dpu_enc, &debugfs_status_fops);
> + dpu_enc->debugfs_root, dpu_enc, &status_fops);
>
> for (i = 0; i < dpu_enc->num_phys_encs; i++)
> if (dpu_enc->phys_encs[i] &&
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index 0a683e65a9f3..c3f036095c53 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -113,30 +113,19 @@ static int _dpu_danger_signal_status(struct seq_file *s,
> return 0;
> }
>
> -#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix) \
> -static int __prefix ## _open(struct inode *inode, struct file *file) \
> -{ \
> - return single_open(file, __prefix ## _show, inode->i_private); \
> -} \
> -static const struct file_operations __prefix ## _fops = { \
> - .owner = THIS_MODULE, \
> - .open = __prefix ## _open, \
> - .release = single_release, \
> - .read = seq_read, \
> - .llseek = seq_lseek, \
> -}
> -
> static int dpu_debugfs_danger_stats_show(struct seq_file *s, void *v)
> {
> return _dpu_danger_signal_status(s, true);
> }
> -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_danger_stats);
> +
> +DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_danger_stats);
>
> static int dpu_debugfs_safe_stats_show(struct seq_file *s, void *v)
> {
> return _dpu_danger_signal_status(s, false);
> }
> -DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_safe_stats);
> +
> +DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_safe_stats);
>
> static void dpu_debugfs_danger_destroy(struct dpu_kms *dpu_kms)
> {
> @@ -162,7 +151,7 @@ static int dpu_debugfs_danger_init(struct dpu_kms *dpu_kms,
> return 0;
> }
>
> -static int _dpu_debugfs_show_regset32(struct seq_file *s, void *data)
> +static int dpu_regset32_show(struct seq_file *s, void *data)
> {
> struct dpu_debugfs_regset32 *regset;
> struct dpu_kms *dpu_kms;
> @@ -212,18 +201,7 @@ static int _dpu_debugfs_show_regset32(struct seq_file *s, void *data)
> return 0;
> }
>
> -static int dpu_debugfs_open_regset32(struct inode *inode,
> - struct file *file)
> -{
> - return single_open(file, _dpu_debugfs_show_regset32, inode->i_private);
> -}
> -
> -static const struct file_operations dpu_fops_regset32 = {
> - .open = dpu_debugfs_open_regset32,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(dpu_regset32);
>
> void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset,
> uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms)
> @@ -245,7 +223,7 @@ void *dpu_debugfs_create_regset32(const char *name, umode_t mode,
> regset->offset = round_down(regset->offset, 4);
>
> return debugfs_create_file(name, mode, parent,
> - regset, &dpu_fops_regset32);
> + regset, &dpu_regset32_fops);
> }
>
> static int _dpu_debugfs_init(struct dpu_kms *dpu_kms)
> diff --git a/drivers/gpu/host1x/debug.c b/drivers/gpu/host1x/debug.c
> index 329e4a3d8ae7..de7f020e2932 100644
> --- a/drivers/gpu/host1x/debug.c
> +++ b/drivers/gpu/host1x/debug.c
> @@ -119,7 +119,7 @@ static void show_all(struct host1x *m, struct output *o, bool show_fifo)
> }
> }
>
> -static int host1x_debug_show_all(struct seq_file *s, void *unused)
> +static int host1x_all_show(struct seq_file *s, void *unused)
> {
> struct output o = {
> .fn = write_to_seqfile,
> @@ -131,7 +131,7 @@ static int host1x_debug_show_all(struct seq_file *s, void *unused)
> return 0;
> }
>
> -static int host1x_debug_show(struct seq_file *s, void *unused)
> +static int host1x_show(struct seq_file *s, void *unused)
> {
> struct output o = {
> .fn = write_to_seqfile,
> @@ -143,29 +143,8 @@ static int host1x_debug_show(struct seq_file *s, void *unused)
> return 0;
> }
>
> -static int host1x_debug_open_all(struct inode *inode, struct file *file)
> -{
> - return single_open(file, host1x_debug_show_all, inode->i_private);
> -}
> -
> -static const struct file_operations host1x_debug_all_fops = {
> - .open = host1x_debug_open_all,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> -
> -static int host1x_debug_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, host1x_debug_show, inode->i_private);
> -}
> -
> -static const struct file_operations host1x_debug_fops = {
> - .open = host1x_debug_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(host1x_all);
> +DEFINE_SHOW_ATTRIBUTE(host1x);
>
> static void host1x_debugfs_init(struct host1x *host1x)
> {
> @@ -177,9 +156,10 @@ static void host1x_debugfs_init(struct host1x *host1x)
> /* Store the created entry */
> host1x->debugfs = de;
>
> - debugfs_create_file("status", S_IRUGO, de, host1x, &host1x_debug_fops);
> + debugfs_create_file("status", S_IRUGO, de, host1x,
> + &host1x_fops);
> debugfs_create_file("status_all", S_IRUGO, de, host1x,
> - &host1x_debug_all_fops);
> + &host1x_all_fops);
>
> debugfs_create_u32("trace_cmdbuf", S_IRUGO|S_IWUSR, de,
> &host1x_debug_trace_cmdbuf);
> --
> 2.17.0
>
--
Sean Paul, Software Engineer, Google / Chromium OS
next prev parent reply other threads:[~2018-12-04 14:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-02 3:19 [PATCH] gpu/drm: remove DEFINE_DPU_DEBUGFS_SEQ_FOPS() Yangtao Li
2018-12-04 14:59 ` Sean Paul [this message]
2018-12-15 9:13 ` Frank Lee
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