[PATCH v1 4/7] drm: sti: make connectors use atomic_print_state instead of debugfs

Philippe CORNU philippe.cornu at st.com
Mon Jun 18 16:07:59 UTC 2018


Hi Benjamin,

Reviewed-by: Philippe Cornu <philippe.cornu at st.com>
Many thanks
Philippe

On 06/05/2018 03:54 PM, Benjamin Gaignard wrote:
> Convert all sti connectors to atomic_print_state usage rather than
> use a debugfs entry.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard at linaro.org>
> ---
>   drivers/gpu/drm/sti/sti_dvo.c  |  60 +++++--------------
>   drivers/gpu/drm/sti/sti_hda.c  |  75 +++++++----------------
>   drivers/gpu/drm/sti/sti_hdmi.c | 132 ++++++++++++++++-------------------------
>   3 files changed, 90 insertions(+), 177 deletions(-)
> 
> diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c
> index a5979cd25cc7..5662613ae6e0 100644
> --- a/drivers/gpu/drm/sti/sti_dvo.c
> +++ b/drivers/gpu/drm/sti/sti_dvo.c
> @@ -6,7 +6,6 @@
>   
>   #include <linux/clk.h>
>   #include <linux/component.h>
> -#include <linux/debugfs.h>
>   #include <linux/module.h>
>   #include <linux/of_gpio.h>
>   #include <linux/platform_device.h>
> @@ -158,52 +157,37 @@ static void dvo_awg_configure(struct sti_dvo *dvo, u32 *awg_ram_code, int nb)
>   	writel(DVO_AWG_CTRL_EN, dvo->regs + DVO_AWG_DIGSYNC_CTRL);
>   }
>   
> -#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(dvo->regs + reg))
>   
> -static void dvo_dbg_awg_microcode(struct seq_file *s, void __iomem *reg)
> +static void dvo_dbg_awg_microcode(struct drm_printer *p, void __iomem *reg)
>   {
>   	unsigned int i;
>   
> -	seq_puts(s, "\n\n");
> -	seq_puts(s, "  DVO AWG microcode:");
> +	drm_printf(p, "\n\n");
> +	drm_printf(p, "  DVO AWG microcode:");
>   	for (i = 0; i < AWG_MAX_INST; i++) {
>   		if (i % 8 == 0)
> -			seq_printf(s, "\n  %04X:", i);
> -		seq_printf(s, " %04X", readl(reg + i * 4));
> +			drm_printf(p, "\n  %04X:", i);
> +		drm_printf(p, " %04X", readl(reg + i * 4));
>   	}
>   }
>   
> -static int dvo_dbg_show(struct seq_file *s, void *data)
> +static void sti_dvo_print_state(struct drm_printer *p,
> +				const struct drm_connector_state *state)
>   {
> -	struct drm_info_node *node = s->private;
> -	struct sti_dvo *dvo = (struct sti_dvo *)node->info_ent->data;
> +	struct sti_dvo_connector *dvo_connector
> +		= to_sti_dvo_connector(state->connector);
> +	struct sti_dvo *dvo = dvo_connector->dvo;
>   
> -	seq_printf(s, "DVO: (vaddr = 0x%p)", dvo->regs);
> +	drm_printf(p, "DVO: (vaddr = 0x%p)", dvo->regs);
>   	DBGFS_DUMP(DVO_AWG_DIGSYNC_CTRL);
>   	DBGFS_DUMP(DVO_DOF_CFG);
>   	DBGFS_DUMP(DVO_LUT_PROG_LOW);
>   	DBGFS_DUMP(DVO_LUT_PROG_MID);
>   	DBGFS_DUMP(DVO_LUT_PROG_HIGH);
> -	dvo_dbg_awg_microcode(s, dvo->regs + DVO_DIGSYNC_INSTR_I);
> -	seq_putc(s, '\n');
> -	return 0;
> -}
> -
> -static struct drm_info_list dvo_debugfs_files[] = {
> -	{ "dvo", dvo_dbg_show, 0, NULL },
> -};
> -
> -static int dvo_debugfs_init(struct sti_dvo *dvo, struct drm_minor *minor)
> -{
> -	unsigned int i;
> -
> -	for (i = 0; i < ARRAY_SIZE(dvo_debugfs_files); i++)
> -		dvo_debugfs_files[i].data = dvo;
> -
> -	return drm_debugfs_create_files(dvo_debugfs_files,
> -					ARRAY_SIZE(dvo_debugfs_files),
> -					minor->debugfs_root, minor);
> +	dvo_dbg_awg_microcode(p, dvo->regs + DVO_DIGSYNC_INSTR_I);
> +	drm_printf(p, "\n");
>   }
>   
>   static void sti_dvo_disable(struct drm_bridge *bridge)
> @@ -397,20 +381,6 @@ sti_dvo_connector_detect(struct drm_connector *connector, bool force)
>   	return connector_status_disconnected;
>   }
>   
> -static int sti_dvo_late_register(struct drm_connector *connector)
> -{
> -	struct sti_dvo_connector *dvo_connector
> -		= to_sti_dvo_connector(connector);
> -	struct sti_dvo *dvo = dvo_connector->dvo;
> -
> -	if (dvo_debugfs_init(dvo, dvo->drm_dev->primary)) {
> -		DRM_ERROR("DVO debugfs setup failed\n");
> -		return -EINVAL;
> -	}
> -
> -	return 0;
> -}
> -
>   static const struct drm_connector_funcs sti_dvo_connector_funcs = {
>   	.fill_modes = drm_helper_probe_single_connector_modes,
>   	.detect = sti_dvo_connector_detect,
> @@ -418,7 +388,7 @@ static const struct drm_connector_funcs sti_dvo_connector_funcs = {
>   	.reset = drm_atomic_helper_connector_reset,
>   	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
>   	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
> -	.late_register = sti_dvo_late_register,
> +	.atomic_print_state = sti_dvo_print_state,
>   };
>   
>   static struct drm_encoder *sti_dvo_find_encoder(struct drm_device *dev)
> diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
> index 67bbdb49fffc..0734f2751505 100644
> --- a/drivers/gpu/drm/sti/sti_hda.c
> +++ b/drivers/gpu/drm/sti/sti_hda.c
> @@ -307,71 +307,56 @@ static void hda_enable_hd_dacs(struct sti_hda *hda, bool enable)
>   	}
>   }
>   
> -#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(hda->regs + reg))
>   
> -static void hda_dbg_cfg(struct seq_file *s, int val)
> +static void hda_dbg_cfg(struct drm_printer *p, int val)
>   {
> -	seq_puts(s, "\tAWG ");
> -	seq_puts(s, val & CFG_AWG_ASYNC_EN ? "enabled" : "disabled");
> +	drm_printf(p, "\tAWG ");
> +	drm_printf(p, val & CFG_AWG_ASYNC_EN ? "enabled" : "disabled");
>   }
>   
> -static void hda_dbg_awg_microcode(struct seq_file *s, void __iomem *reg)
> +static void hda_dbg_awg_microcode(struct drm_printer *p, void __iomem *reg)
>   {
>   	unsigned int i;
>   
> -	seq_puts(s, "\n\n  HDA AWG microcode:");
> +	drm_printf(p, "\n\n  HDA AWG microcode:");
>   	for (i = 0; i < AWG_MAX_INST; i++) {
>   		if (i % 8 == 0)
> -			seq_printf(s, "\n  %04X:", i);
> -		seq_printf(s, " %04X", readl(reg + i * 4));
> +			drm_printf(p, "\n  %04X:", i);
> +		drm_printf(p, " %04X", readl(reg + i * 4));
>   	}
>   }
>   
> -static void hda_dbg_video_dacs_ctrl(struct seq_file *s, void __iomem *reg)
> +static void hda_dbg_video_dacs_ctrl(struct drm_printer *p, void __iomem *reg)
>   {
>   	u32 val = readl(reg);
>   
> -	seq_printf(s, "\n\n  %-25s 0x%08X", "VIDEO_DACS_CONTROL", val);
> -	seq_puts(s, "\tHD DACs ");
> -	seq_puts(s, val & DAC_CFG_HD_HZUVW_OFF_MASK ? "disabled" : "enabled");
> +	drm_printf(p, "\n\n  %-25s 0x%08X", "VIDEO_DACS_CONTROL", val);
> +	drm_printf(p, "\tHD DACs ");
> +	drm_printf(p, val & DAC_CFG_HD_HZUVW_OFF_MASK ? "disabled" : "enabled");
>   }
>   
> -static int hda_dbg_show(struct seq_file *s, void *data)
> +static void sti_hda_print_state(struct drm_printer *p,
> +				const struct drm_connector_state *state)
>   {
> -	struct drm_info_node *node = s->private;
> -	struct sti_hda *hda = (struct sti_hda *)node->info_ent->data;
> +	struct sti_hda_connector *hda_connector
> +		= to_sti_hda_connector(state->connector);
> +	struct sti_hda *hda = hda_connector->hda;
>   
> -	seq_printf(s, "HD Analog: (vaddr = 0x%p)", hda->regs);
> +	drm_printf(p, "HD Analog: (vaddr = 0x%pK)", hda->regs);
>   	DBGFS_DUMP(HDA_ANA_CFG);
> -	hda_dbg_cfg(s, readl(hda->regs + HDA_ANA_CFG));
> +	hda_dbg_cfg(p, readl(hda->regs + HDA_ANA_CFG));
>   	DBGFS_DUMP(HDA_ANA_SCALE_CTRL_Y);
>   	DBGFS_DUMP(HDA_ANA_SCALE_CTRL_CB);
>   	DBGFS_DUMP(HDA_ANA_SCALE_CTRL_CR);
>   	DBGFS_DUMP(HDA_ANA_ANC_CTRL);
>   	DBGFS_DUMP(HDA_ANA_SRC_Y_CFG);
>   	DBGFS_DUMP(HDA_ANA_SRC_C_CFG);
> -	hda_dbg_awg_microcode(s, hda->regs + HDA_SYNC_AWGI);
> +	hda_dbg_awg_microcode(p, hda->regs + HDA_SYNC_AWGI);
>   	if (hda->video_dacs_ctrl)
> -		hda_dbg_video_dacs_ctrl(s, hda->video_dacs_ctrl);
> -	seq_putc(s, '\n');
> -	return 0;
> -}
> -
> -static struct drm_info_list hda_debugfs_files[] = {
> -	{ "hda", hda_dbg_show, 0, NULL },
> -};
> -
> -static int hda_debugfs_init(struct sti_hda *hda, struct drm_minor *minor)
> -{
> -	unsigned int i;
> -
> -	for (i = 0; i < ARRAY_SIZE(hda_debugfs_files); i++)
> -		hda_debugfs_files[i].data = hda;
> -
> -	return drm_debugfs_create_files(hda_debugfs_files,
> -					ARRAY_SIZE(hda_debugfs_files),
> -					minor->debugfs_root, minor);
> +		hda_dbg_video_dacs_ctrl(p, hda->video_dacs_ctrl);
> +	drm_printf(p, "\n");
>   }
>   
>   /**
> @@ -632,27 +617,13 @@ struct drm_connector_helper_funcs sti_hda_connector_helper_funcs = {
>   	.mode_valid = sti_hda_connector_mode_valid,
>   };
>   
> -static int sti_hda_late_register(struct drm_connector *connector)
> -{
> -	struct sti_hda_connector *hda_connector
> -		= to_sti_hda_connector(connector);
> -	struct sti_hda *hda = hda_connector->hda;
> -
> -	if (hda_debugfs_init(hda, hda->drm_dev->primary)) {
> -		DRM_ERROR("HDA debugfs setup failed\n");
> -		return -EINVAL;
> -	}
> -
> -	return 0;
> -}
> -
>   static const struct drm_connector_funcs sti_hda_connector_funcs = {
>   	.fill_modes = drm_helper_probe_single_connector_modes,
>   	.destroy = drm_connector_cleanup,
>   	.reset = drm_atomic_helper_connector_reset,
>   	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
>   	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
> -	.late_register = sti_hda_late_register,
> +	.atomic_print_state = sti_hda_print_state,
>   };
>   
>   static struct drm_encoder *sti_hda_find_encoder(struct drm_device *dev)
> diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
> index 58f431102512..b1313b3321bf 100644
> --- a/drivers/gpu/drm/sti/sti_hdmi.c
> +++ b/drivers/gpu/drm/sti/sti_hdmi.c
> @@ -584,49 +584,49 @@ static void hdmi_swreset(struct sti_hdmi *hdmi)
>   	clk_disable_unprepare(hdmi->clk_audio);
>   }
>   
> -#define DBGFS_PRINT_STR(str1, str2) seq_printf(s, "%-24s %s\n", str1, str2)
> -#define DBGFS_PRINT_INT(str1, int2) seq_printf(s, "%-24s %d\n", str1, int2)
> -#define DBGFS_DUMP(str, reg) seq_printf(s, "%s  %-25s 0x%08X", str, #reg, \
> +#define DBGFS_PRINT_STR(str1, str2) drm_printf(p, "%-24s %s\n", str1, str2)
> +#define DBGFS_PRINT_INT(str1, int2) drm_printf(p, "%-24s %d\n", str1, int2)
> +#define DBGFS_DUMP(str, reg) drm_printf(p, "%s\t%-25s 0x%08X", str, #reg, \
>   					hdmi_read(hdmi, reg))
> -#define DBGFS_DUMP_DI(reg, slot) DBGFS_DUMP("\n", reg(slot))
> +#define DBGFS_DUMP_DI(reg, slot) DBGFS_DUMP("\n\t\t", reg(slot))
>   
> -static void hdmi_dbg_cfg(struct seq_file *s, int val)
> +static void hdmi_dbg_cfg(struct drm_printer *p, int val)
>   {
>   	int tmp;
>   
> -	seq_putc(s, '\t');
> +	drm_printf(p, "\t");
>   	tmp = val & HDMI_CFG_HDMI_NOT_DVI;
>   	DBGFS_PRINT_STR("mode:", tmp ? "HDMI" : "DVI");
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = val & HDMI_CFG_HDCP_EN;
>   	DBGFS_PRINT_STR("HDCP:", tmp ? "enable" : "disable");
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = val & HDMI_CFG_ESS_NOT_OESS;
>   	DBGFS_PRINT_STR("HDCP mode:", tmp ? "ESS enable" : "OESS enable");
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = val & HDMI_CFG_H_SYNC_POL_NEG;
>   	DBGFS_PRINT_STR("Hsync polarity:", tmp ? "inverted" : "normal");
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = val & HDMI_CFG_V_SYNC_POL_NEG;
>   	DBGFS_PRINT_STR("Vsync polarity:", tmp ? "inverted" : "normal");
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = val & HDMI_CFG_422_EN;
>   	DBGFS_PRINT_STR("YUV422 format:", tmp ? "enable" : "disable");
>   }
>   
> -static void hdmi_dbg_sta(struct seq_file *s, int val)
> +static void hdmi_dbg_sta(struct drm_printer *p, int val)
>   {
>   	int tmp;
>   
> -	seq_putc(s, '\t');
> +	drm_printf(p, "\t");
>   	tmp = (val & HDMI_STA_DLL_LCK);
>   	DBGFS_PRINT_STR("pll:", tmp ? "locked" : "not locked");
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = (val & HDMI_STA_HOT_PLUG);
>   	DBGFS_PRINT_STR("hdmi cable:", tmp ? "connected" : "not connected");
>   }
>   
> -static void hdmi_dbg_sw_di_cfg(struct seq_file *s, int val)
> +static void hdmi_dbg_sw_di_cfg(struct drm_printer *p, int val)
>   {
>   	int tmp;
>   	char *const en_di[] = {"no transmission",
> @@ -634,57 +634,59 @@ static void hdmi_dbg_sw_di_cfg(struct seq_file *s, int val)
>   			       "once every field",
>   			       "once every frame"};
>   
> -	seq_putc(s, '\t');
> +	drm_printf(p, "\t");
>   	tmp = (val & HDMI_IFRAME_CFG_DI_N(HDMI_IFRAME_MASK, 1));
>   	DBGFS_PRINT_STR("Data island 1:", en_di[tmp]);
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = (val & HDMI_IFRAME_CFG_DI_N(HDMI_IFRAME_MASK, 2)) >> 4;
>   	DBGFS_PRINT_STR("Data island 2:", en_di[tmp]);
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = (val & HDMI_IFRAME_CFG_DI_N(HDMI_IFRAME_MASK, 3)) >> 8;
>   	DBGFS_PRINT_STR("Data island 3:", en_di[tmp]);
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = (val & HDMI_IFRAME_CFG_DI_N(HDMI_IFRAME_MASK, 4)) >> 12;
>   	DBGFS_PRINT_STR("Data island 4:", en_di[tmp]);
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = (val & HDMI_IFRAME_CFG_DI_N(HDMI_IFRAME_MASK, 5)) >> 16;
>   	DBGFS_PRINT_STR("Data island 5:", en_di[tmp]);
> -	seq_puts(s, "\t\t\t\t\t");
> +	drm_printf(p, "\t\t\t\t\t");
>   	tmp = (val & HDMI_IFRAME_CFG_DI_N(HDMI_IFRAME_MASK, 6)) >> 20;
>   	DBGFS_PRINT_STR("Data island 6:", en_di[tmp]);
>   }
>   
> -static int hdmi_dbg_show(struct seq_file *s, void *data)
> +static void sti_hdmi_print_state(struct drm_printer *p,
> +				 const struct drm_connector_state *state)
>   {
> -	struct drm_info_node *node = s->private;
> -	struct sti_hdmi *hdmi = (struct sti_hdmi *)node->info_ent->data;
> -
> -	seq_printf(s, "HDMI: (vaddr = 0x%p)", hdmi->regs);
> -	DBGFS_DUMP("\n", HDMI_CFG);
> -	hdmi_dbg_cfg(s, hdmi_read(hdmi, HDMI_CFG));
> -	DBGFS_DUMP("", HDMI_INT_EN);
> -	DBGFS_DUMP("\n", HDMI_STA);
> -	hdmi_dbg_sta(s, hdmi_read(hdmi, HDMI_STA));
> -	DBGFS_DUMP("", HDMI_ACTIVE_VID_XMIN);
> -	seq_putc(s, '\t');
> +	struct sti_hdmi_connector *hdmi_connector
> +		= to_sti_hdmi_connector(state->connector);
> +	struct sti_hdmi *hdmi = hdmi_connector->hdmi;
> +
> +	drm_printf(p, "\tHDMI: (vaddr = 0x%pK)", hdmi->regs);
> +	DBGFS_DUMP("\n\t\t", HDMI_CFG);
> +	hdmi_dbg_cfg(p, hdmi_read(hdmi, HDMI_CFG));
> +	DBGFS_DUMP("\t\t", HDMI_INT_EN);
> +	DBGFS_DUMP("\n\t\t", HDMI_STA);
> +	hdmi_dbg_sta(p, hdmi_read(hdmi, HDMI_STA));
> +	DBGFS_DUMP("\t\t", HDMI_ACTIVE_VID_XMIN);
> +	drm_printf(p, "\t");
>   	DBGFS_PRINT_INT("Xmin:", hdmi_read(hdmi, HDMI_ACTIVE_VID_XMIN));
> -	DBGFS_DUMP("", HDMI_ACTIVE_VID_XMAX);
> -	seq_putc(s, '\t');
> +	DBGFS_DUMP("\t\t", HDMI_ACTIVE_VID_XMAX);
> +	drm_printf(p, "\t");
>   	DBGFS_PRINT_INT("Xmax:", hdmi_read(hdmi, HDMI_ACTIVE_VID_XMAX));
> -	DBGFS_DUMP("", HDMI_ACTIVE_VID_YMIN);
> -	seq_putc(s, '\t');
> +	DBGFS_DUMP("\t\t", HDMI_ACTIVE_VID_YMIN);
> +	drm_printf(p, "\t");
>   	DBGFS_PRINT_INT("Ymin:", hdmi_read(hdmi, HDMI_ACTIVE_VID_YMIN));
> -	DBGFS_DUMP("", HDMI_ACTIVE_VID_YMAX);
> -	seq_putc(s, '\t');
> +	DBGFS_DUMP("\t\t", HDMI_ACTIVE_VID_YMAX);
> +	drm_printf(p, "\t");
>   	DBGFS_PRINT_INT("Ymax:", hdmi_read(hdmi, HDMI_ACTIVE_VID_YMAX));
> -	DBGFS_DUMP("", HDMI_SW_DI_CFG);
> -	hdmi_dbg_sw_di_cfg(s, hdmi_read(hdmi, HDMI_SW_DI_CFG));
> +	DBGFS_DUMP("\t\t", HDMI_SW_DI_CFG);
> +	hdmi_dbg_sw_di_cfg(p, hdmi_read(hdmi, HDMI_SW_DI_CFG));
>   
> -	DBGFS_DUMP("\n", HDMI_AUDIO_CFG);
> -	DBGFS_DUMP("\n", HDMI_SPDIF_FIFO_STATUS);
> -	DBGFS_DUMP("\n", HDMI_AUDN);
> +	DBGFS_DUMP("\n\t\t", HDMI_AUDIO_CFG);
> +	DBGFS_DUMP("\n\t\t", HDMI_SPDIF_FIFO_STATUS);
> +	DBGFS_DUMP("\n\t\t", HDMI_AUDN);
>   
> -	seq_printf(s, "\n AVI Infoframe (Data Island slot N=%d):",
> +	drm_printf(p, "\n\t\tAVI Infoframe (Data Island slot N=%d):",
>   		   HDMI_IFRAME_SLOT_AVI);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_HEAD_WORD, HDMI_IFRAME_SLOT_AVI);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD0, HDMI_IFRAME_SLOT_AVI);
> @@ -694,7 +696,7 @@ static int hdmi_dbg_show(struct seq_file *s, void *data)
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD4, HDMI_IFRAME_SLOT_AVI);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD5, HDMI_IFRAME_SLOT_AVI);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD6, HDMI_IFRAME_SLOT_AVI);
> -	seq_printf(s, "\n\n AUDIO Infoframe (Data Island slot N=%d):",
> +	drm_printf(p, "\n\t\tAUDIO Infoframe (Data Island slot N=%d):",
>   		   HDMI_IFRAME_SLOT_AUDIO);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_HEAD_WORD, HDMI_IFRAME_SLOT_AUDIO);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD0, HDMI_IFRAME_SLOT_AUDIO);
> @@ -704,7 +706,8 @@ static int hdmi_dbg_show(struct seq_file *s, void *data)
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD4, HDMI_IFRAME_SLOT_AUDIO);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD5, HDMI_IFRAME_SLOT_AUDIO);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD6, HDMI_IFRAME_SLOT_AUDIO);
> -	seq_printf(s, "\n\n VENDOR SPECIFIC Infoframe (Data Island slot N=%d):",
> +	drm_printf(p,
> +		   "\n\t\tVENDOR SPECIFIC Infoframe (Data Island slot N=%d):",
>   		   HDMI_IFRAME_SLOT_VENDOR);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_HEAD_WORD, HDMI_IFRAME_SLOT_VENDOR);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD0, HDMI_IFRAME_SLOT_VENDOR);
> @@ -714,24 +717,7 @@ static int hdmi_dbg_show(struct seq_file *s, void *data)
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD4, HDMI_IFRAME_SLOT_VENDOR);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD5, HDMI_IFRAME_SLOT_VENDOR);
>   	DBGFS_DUMP_DI(HDMI_SW_DI_N_PKT_WORD6, HDMI_IFRAME_SLOT_VENDOR);
> -	seq_putc(s, '\n');
> -	return 0;
> -}
> -
> -static struct drm_info_list hdmi_debugfs_files[] = {
> -	{ "hdmi", hdmi_dbg_show, 0, NULL },
> -};
> -
> -static int hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor)
> -{
> -	unsigned int i;
> -
> -	for (i = 0; i < ARRAY_SIZE(hdmi_debugfs_files); i++)
> -		hdmi_debugfs_files[i].data = hdmi;
> -
> -	return drm_debugfs_create_files(hdmi_debugfs_files,
> -					ARRAY_SIZE(hdmi_debugfs_files),
> -					minor->debugfs_root, minor);
> +	drm_printf(p, "\n");
>   }
>   
>   static void sti_hdmi_disable(struct drm_bridge *bridge)
> @@ -1099,20 +1085,6 @@ sti_hdmi_connector_get_property(struct drm_connector *connector,
>   	return -EINVAL;
>   }
>   
> -static int sti_hdmi_late_register(struct drm_connector *connector)
> -{
> -	struct sti_hdmi_connector *hdmi_connector
> -		= to_sti_hdmi_connector(connector);
> -	struct sti_hdmi *hdmi = hdmi_connector->hdmi;
> -
> -	if (hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary)) {
> -		DRM_ERROR("HDMI debugfs setup failed\n");
> -		return -EINVAL;
> -	}
> -
> -	return 0;
> -}
> -
>   static const struct drm_connector_funcs sti_hdmi_connector_funcs = {
>   	.fill_modes = drm_helper_probe_single_connector_modes,
>   	.detect = sti_hdmi_connector_detect,
> @@ -1122,7 +1094,7 @@ static const struct drm_connector_funcs sti_hdmi_connector_funcs = {
>   	.atomic_get_property = sti_hdmi_connector_get_property,
>   	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
>   	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
> -	.late_register = sti_hdmi_late_register,
> +	.atomic_print_state = sti_hdmi_print_state,
>   };
>   
>   static struct drm_encoder *sti_hdmi_find_encoder(struct drm_device *dev)
> 


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