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Subject[PATCH v1 5/7] drm: sti: make crtc use atomic_print_state instead of debugfs
Date
Convert sti crtc to atomic_print_state usage rather than use a
debugfs entry.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
---
drivers/gpu/drm/sti/sti_compositor.c | 16 -------
drivers/gpu/drm/sti/sti_compositor.h | 3 --
drivers/gpu/drm/sti/sti_crtc.c | 17 ++++---
drivers/gpu/drm/sti/sti_mixer.c | 89 ++++++++++--------------------------
drivers/gpu/drm/sti/sti_mixer.h | 3 +-
drivers/gpu/drm/sti/sti_vid.c | 60 ++++++++----------------
drivers/gpu/drm/sti/sti_vid.h | 2 +-
7 files changed, 59 insertions(+), 131 deletions(-)

diff --git a/drivers/gpu/drm/sti/sti_compositor.c b/drivers/gpu/drm/sti/sti_compositor.c
index 021b8fcaa0b9..c08d5c560557 100644
--- a/drivers/gpu/drm/sti/sti_compositor.c
+++ b/drivers/gpu/drm/sti/sti_compositor.c
@@ -39,22 +39,6 @@ static const struct sti_compositor_data stih407_compositor_data = {
},
};

-int sti_compositor_debugfs_init(struct sti_compositor *compo,
- struct drm_minor *minor)
-{
- unsigned int i;
-
- for (i = 0; i < STI_MAX_VID; i++)
- if (compo->vid[i])
- vid_debugfs_init(compo->vid[i], minor);
-
- for (i = 0; i < STI_MAX_MIXER; i++)
- if (compo->mixer[i])
- sti_mixer_debugfs_init(compo->mixer[i], minor);
-
- return 0;
-}
-
static int sti_compositor_bind(struct device *dev,
struct device *master,
void *data)
diff --git a/drivers/gpu/drm/sti/sti_compositor.h b/drivers/gpu/drm/sti/sti_compositor.h
index ac4bb3834810..eb8b233e68a2 100644
--- a/drivers/gpu/drm/sti/sti_compositor.h
+++ b/drivers/gpu/drm/sti/sti_compositor.h
@@ -79,7 +79,4 @@ struct sti_compositor {
struct notifier_block vtg_vblank_nb[STI_MAX_MIXER];
};

-int sti_compositor_debugfs_init(struct sti_compositor *compo,
- struct drm_minor *minor);
-
#endif
diff --git a/drivers/gpu/drm/sti/sti_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c
index 5824e6aca8f4..4e137932ffe4 100644
--- a/drivers/gpu/drm/sti/sti_crtc.c
+++ b/drivers/gpu/drm/sti/sti_crtc.c
@@ -316,15 +316,20 @@ void sti_crtc_disable_vblank(struct drm_device *drm_dev, unsigned int pipe)
DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
}

-static int sti_crtc_late_register(struct drm_crtc *crtc)
+static void sti_crtc_print_state(struct drm_printer *p,
+ const struct drm_crtc_state *state)
{
- struct sti_mixer *mixer = to_sti_mixer(crtc);
+ struct sti_mixer *mixer = to_sti_mixer(state->crtc);
struct sti_compositor *compo = dev_get_drvdata(mixer->dev);
+ unsigned int i;

- if (drm_crtc_index(crtc) == 0)
- return sti_compositor_debugfs_init(compo, crtc->dev->primary);
+ for (i = 0; i < STI_MAX_VID; i++)
+ if (compo->vid[i])
+ sti_vid_print_state(p, compo->vid[i]);

- return 0;
+ for (i = 0; i < STI_MAX_MIXER; i++)
+ if (compo->mixer[i])
+ sti_mixer_print_state(p, compo->mixer[i]);
}

static const struct drm_crtc_funcs sti_crtc_funcs = {
@@ -335,7 +340,7 @@ static const struct drm_crtc_funcs sti_crtc_funcs = {
.reset = drm_atomic_helper_crtc_reset,
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
- .late_register = sti_crtc_late_register,
+ .atomic_print_state = sti_crtc_print_state,
};

bool sti_crtc_is_main(struct drm_crtc *crtc)
diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c
index a4f45c74d678..22525139d315 100644
--- a/drivers/gpu/drm/sti/sti_mixer.c
+++ b/drivers/gpu/drm/sti/sti_mixer.c
@@ -70,20 +70,20 @@ static inline void sti_mixer_reg_write(struct sti_mixer *mixer,
writel(val, mixer->regs + reg_id);
}

-#define DBGFS_DUMP(reg) seq_printf(s, "\n %-25s 0x%08X", #reg, \
+#define DBGFS_DUMP(reg) drm_printf(p, "\n\t\t%-25s 0x%08X", #reg, \
sti_mixer_reg_read(mixer, reg))

-static void mixer_dbg_ctl(struct seq_file *s, int val)
+static void mixer_dbg_ctl(struct drm_printer *p, int val)
{
unsigned int i;
int count = 0;
char *const disp_layer[] = {"BKG", "VID0", "VID1", "GDP0",
"GDP1", "GDP2", "GDP3"};

- seq_puts(s, "\tEnabled: ");
+ drm_printf(p, "\tEnabled: ");
for (i = 0; i < 7; i++) {
if (val & 1) {
- seq_printf(s, "%s ", disp_layer[i]);
+ drm_printf(p, "%s ", disp_layer[i]);
count++;
}
val = val >> 1;
@@ -91,114 +91,75 @@ static void mixer_dbg_ctl(struct seq_file *s, int val)

val = val >> 2;
if (val & 1) {
- seq_puts(s, "CURS ");
+ drm_printf(p, "CURS ");
count++;
}
if (!count)
- seq_puts(s, "Nothing");
+ drm_printf(p, "Nothing");
}

-static void mixer_dbg_crb(struct seq_file *s, int val)
+static void mixer_dbg_crb(struct drm_printer *p, int val)
{
int i;

- seq_puts(s, "\tDepth: ");
+ drm_printf(p, "\tDepth: ");
for (i = 0; i < GAM_MIXER_NB_DEPTH_LEVEL; i++) {
switch (val & GAM_DEPTH_MASK_ID) {
case GAM_DEPTH_VID0_ID:
- seq_puts(s, "VID0");
+ drm_printf(p, "VID0");
break;
case GAM_DEPTH_VID1_ID:
- seq_puts(s, "VID1");
+ drm_printf(p, "VID1");
break;
case GAM_DEPTH_GDP0_ID:
- seq_puts(s, "GDP0");
+ drm_printf(p, "GDP0");
break;
case GAM_DEPTH_GDP1_ID:
- seq_puts(s, "GDP1");
+ drm_printf(p, "GDP1");
break;
case GAM_DEPTH_GDP2_ID:
- seq_puts(s, "GDP2");
+ drm_printf(p, "GDP2");
break;
case GAM_DEPTH_GDP3_ID:
- seq_puts(s, "GDP3");
+ drm_printf(p, "GDP3");
break;
default:
- seq_puts(s, "---");
+ drm_printf(p, "---");
}

if (i < GAM_MIXER_NB_DEPTH_LEVEL - 1)
- seq_puts(s, " < ");
+ drm_printf(p, " < ");
val = val >> 3;
}
}

-static void mixer_dbg_mxn(struct seq_file *s, void *addr)
+static void mixer_dbg_mxn(struct drm_printer *p, void *addr)
{
int i;

for (i = 1; i < 8; i++)
- seq_printf(s, "-0x%08X", (int)readl(addr + i * 4));
+ drm_printf(p, "-0x%08X", (int)readl(addr + i * 4));
}

-static int mixer_dbg_show(struct seq_file *s, void *arg)
+void sti_mixer_print_state(struct drm_printer *p, struct sti_mixer *mixer)
{
- struct drm_info_node *node = s->private;
- struct sti_mixer *mixer = (struct sti_mixer *)node->info_ent->data;
-
- seq_printf(s, "%s: (vaddr = 0x%p)",
+ drm_printf(p, "\t%s: (vaddr = 0x%pK)",
sti_mixer_to_str(mixer), mixer->regs);

DBGFS_DUMP(GAM_MIXER_CTL);
- mixer_dbg_ctl(s, sti_mixer_reg_read(mixer, GAM_MIXER_CTL));
+ mixer_dbg_ctl(p, sti_mixer_reg_read(mixer, GAM_MIXER_CTL));
DBGFS_DUMP(GAM_MIXER_BKC);
DBGFS_DUMP(GAM_MIXER_BCO);
DBGFS_DUMP(GAM_MIXER_BCS);
DBGFS_DUMP(GAM_MIXER_AVO);
DBGFS_DUMP(GAM_MIXER_AVS);
DBGFS_DUMP(GAM_MIXER_CRB);
- mixer_dbg_crb(s, sti_mixer_reg_read(mixer, GAM_MIXER_CRB));
+ mixer_dbg_crb(p, sti_mixer_reg_read(mixer, GAM_MIXER_CRB));
DBGFS_DUMP(GAM_MIXER_ACT);
DBGFS_DUMP(GAM_MIXER_MBP);
DBGFS_DUMP(GAM_MIXER_MX0);
- mixer_dbg_mxn(s, mixer->regs + GAM_MIXER_MX0);
- seq_putc(s, '\n');
- return 0;
-}
-
-static struct drm_info_list mixer0_debugfs_files[] = {
- { "mixer_main", mixer_dbg_show, 0, NULL },
-};
-
-static struct drm_info_list mixer1_debugfs_files[] = {
- { "mixer_aux", mixer_dbg_show, 0, NULL },
-};
-
-int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor)
-{
- unsigned int i;
- struct drm_info_list *mixer_debugfs_files;
- int nb_files;
-
- switch (mixer->id) {
- case STI_MIXER_MAIN:
- mixer_debugfs_files = mixer0_debugfs_files;
- nb_files = ARRAY_SIZE(mixer0_debugfs_files);
- break;
- case STI_MIXER_AUX:
- mixer_debugfs_files = mixer1_debugfs_files;
- nb_files = ARRAY_SIZE(mixer1_debugfs_files);
- break;
- default:
- return -EINVAL;
- }
-
- for (i = 0; i < nb_files; i++)
- mixer_debugfs_files[i].data = mixer;
-
- return drm_debugfs_create_files(mixer_debugfs_files,
- nb_files,
- minor->debugfs_root, minor);
+ mixer_dbg_mxn(p, mixer->regs + GAM_MIXER_MX0);
+ drm_printf(p, "\n");
}

void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable)
@@ -367,7 +328,7 @@ struct sti_mixer *sti_mixer_create(struct device *dev,
mixer->dev = dev;
mixer->id = id;

- DRM_DEBUG_DRIVER("%s created. Regs=%p\n",
+ DRM_DEBUG_DRIVER("%s created. Regs=%pK\n",
sti_mixer_to_str(mixer), mixer->regs);

return mixer;
diff --git a/drivers/gpu/drm/sti/sti_mixer.h b/drivers/gpu/drm/sti/sti_mixer.h
index 4cb3cfddc03a..067093270bb0 100644
--- a/drivers/gpu/drm/sti/sti_mixer.h
+++ b/drivers/gpu/drm/sti/sti_mixer.h
@@ -53,7 +53,8 @@ int sti_mixer_active_video_area(struct sti_mixer *mixer,

void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable);

-int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor);
+void sti_mixer_print_state(struct drm_printer *p, struct sti_mixer *mixer);
+

/* depth in Cross-bar control = z order */
#define GAM_MIXER_NB_DEPTH_LEVEL 6
diff --git a/drivers/gpu/drm/sti/sti_vid.c b/drivers/gpu/drm/sti/sti_vid.c
index 2aac36c95835..9730e9cf2a87 100644
--- a/drivers/gpu/drm/sti/sti_vid.c
+++ b/drivers/gpu/drm/sti/sti_vid.c
@@ -55,54 +55,51 @@

#define VID_MIN_HD_HEIGHT 720

-#define DBGFS_DUMP(reg) seq_printf(s, "\n %-25s 0x%08X", #reg, \
+#define DBGFS_DUMP(reg) drm_printf(p, "\n\t\t%-25s 0x%08X", #reg, \
readl(vid->regs + reg))

-static void vid_dbg_ctl(struct seq_file *s, int val)
+static void vid_dbg_ctl(struct drm_printer *p, int val)
{
val = val >> 30;
- seq_putc(s, '\t');
+ drm_printf(p, "\t");

if (!(val & 1))
- seq_puts(s, "NOT ");
- seq_puts(s, "ignored on main mixer - ");
+ drm_printf(p, "NOT ");
+ drm_printf(p, "ignored on main mixer - ");

if (!(val & 2))
- seq_puts(s, "NOT ");
- seq_puts(s, "ignored on aux mixer");
+ drm_printf(p, "NOT ");
+ drm_printf(p, "ignored on aux mixer");
}

-static void vid_dbg_vpo(struct seq_file *s, int val)
+static void vid_dbg_vpo(struct drm_printer *p, int val)
{
- seq_printf(s, "\txdo:%4d\tydo:%4d", val & 0x0FFF, (val >> 16) & 0x0FFF);
+ drm_printf(p, "\txdo:%4d\tydo:%4d", val & 0x0FFF, (val >> 16) & 0x0FFF);
}

-static void vid_dbg_vps(struct seq_file *s, int val)
+static void vid_dbg_vps(struct drm_printer *p, int val)
{
- seq_printf(s, "\txds:%4d\tyds:%4d", val & 0x0FFF, (val >> 16) & 0x0FFF);
+ drm_printf(p, "\txds:%4d\tyds:%4d", val & 0x0FFF, (val >> 16) & 0x0FFF);
}

-static void vid_dbg_mst(struct seq_file *s, int val)
+static void vid_dbg_mst(struct drm_printer *p, int val)
{
if (val & 1)
- seq_puts(s, "\tBUFFER UNDERFLOW!");
+ drm_printf(p, "\tBUFFER UNDERFLOW!");
}

-static int vid_dbg_show(struct seq_file *s, void *arg)
+void sti_vid_print_state(struct drm_printer *p, struct sti_vid *vid)
{
- struct drm_info_node *node = s->private;
- struct sti_vid *vid = (struct sti_vid *)node->info_ent->data;
-
- seq_printf(s, "VID: (vaddr= 0x%p)", vid->regs);
+ drm_printf(p, "\tVID: (vaddr= 0x%pK)", vid->regs);

DBGFS_DUMP(VID_CTL);
- vid_dbg_ctl(s, readl(vid->regs + VID_CTL));
+ vid_dbg_ctl(p, readl(vid->regs + VID_CTL));
DBGFS_DUMP(VID_ALP);
DBGFS_DUMP(VID_CLF);
DBGFS_DUMP(VID_VPO);
- vid_dbg_vpo(s, readl(vid->regs + VID_VPO));
+ vid_dbg_vpo(p, readl(vid->regs + VID_VPO));
DBGFS_DUMP(VID_VPS);
- vid_dbg_vps(s, readl(vid->regs + VID_VPS));
+ vid_dbg_vps(p, readl(vid->regs + VID_VPS));
DBGFS_DUMP(VID_KEY1);
DBGFS_DUMP(VID_KEY2);
DBGFS_DUMP(VID_MPR0);
@@ -110,28 +107,11 @@ static int vid_dbg_show(struct seq_file *s, void *arg)
DBGFS_DUMP(VID_MPR2);
DBGFS_DUMP(VID_MPR3);
DBGFS_DUMP(VID_MST);
- vid_dbg_mst(s, readl(vid->regs + VID_MST));
+ vid_dbg_mst(p, readl(vid->regs + VID_MST));
DBGFS_DUMP(VID_BC);
DBGFS_DUMP(VID_TINT);
DBGFS_DUMP(VID_CSAT);
- seq_putc(s, '\n');
- return 0;
-}
-
-static struct drm_info_list vid_debugfs_files[] = {
- { "vid", vid_dbg_show, 0, NULL },
-};
-
-int vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor)
-{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(vid_debugfs_files); i++)
- vid_debugfs_files[i].data = vid;
-
- return drm_debugfs_create_files(vid_debugfs_files,
- ARRAY_SIZE(vid_debugfs_files),
- minor->debugfs_root, minor);
+ drm_printf(p, "\n");
}

void sti_vid_commit(struct sti_vid *vid,
diff --git a/drivers/gpu/drm/sti/sti_vid.h b/drivers/gpu/drm/sti/sti_vid.h
index 9dbd78461de1..27656dbbd2bc 100644
--- a/drivers/gpu/drm/sti/sti_vid.h
+++ b/drivers/gpu/drm/sti/sti_vid.h
@@ -26,6 +26,6 @@ void sti_vid_disable(struct sti_vid *vid);
struct sti_vid *sti_vid_create(struct device *dev, struct drm_device *drm_dev,
int id, void __iomem *baseaddr);

-int vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor);
+void sti_vid_print_state(struct drm_printer *p, struct sti_vid *vid);

#endif
--
2.15.0
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