Convert all sti encoders to atomic_print usage rather than use a
debugfs entry.
Signed-off-by: Benjamin Gaignard <benjamin.gaign...@linaro.org>
---
 drivers/gpu/drm/sti/sti_tvout.c | 162 ++++++++++++++++------------------------
 1 file changed, 63 insertions(+), 99 deletions(-)

diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c
index ea4a3b87fa55..8aa23710b695 100644
--- a/drivers/gpu/drm/sti/sti_tvout.c
+++ b/drivers/gpu/drm/sti/sti_tvout.c
@@ -442,10 +442,10 @@ static void tvout_hda_start(struct sti_tvout *tvout, bool 
main_path)
        tvout_write(tvout, 0, TVO_HD_DAC_CFG_OFF);
 }
 
-#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(tvout->regs + reg))
 
-static void tvout_dbg_vip(struct seq_file *s, int val)
+static void tvout_dbg_vip(struct drm_printer *p, int val)
 {
        int r, g, b, tmp, mask;
        char *const reorder[] = {"Y_G", "Cb_B", "Cr_R"};
@@ -459,86 +459,94 @@ static void tvout_dbg_vip(struct seq_file *s, int val)
                                   "Aux (color matrix by-passed)",
                                   "", "", "", "", "", "Force value"};
 
-       seq_putc(s, '\t');
+       drm_printf(p, "\n\t\t\t");
        mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_R_SHIFT;
        r = (val & mask) >> TVO_VIP_REORDER_R_SHIFT;
        mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_G_SHIFT;
        g = (val & mask) >> TVO_VIP_REORDER_G_SHIFT;
        mask = TVO_VIP_REORDER_MASK << TVO_VIP_REORDER_B_SHIFT;
        b = (val & mask) >> TVO_VIP_REORDER_B_SHIFT;
-       seq_printf(s, "%-24s %s->%s %s->%s %s->%s\n", "Reorder:",
+       drm_printf(p, "%-24s %s->%s %s->%s %s->%s", "Reorder:",
                   reorder[r], reorder[TVO_VIP_REORDER_CR_R_SEL],
                   reorder[g], reorder[TVO_VIP_REORDER_Y_G_SEL],
                   reorder[b], reorder[TVO_VIP_REORDER_CB_B_SEL]);
-       seq_puts(s, "\t\t\t\t\t");
+       drm_printf(p, "\n\t\t\t");
        mask = TVO_VIP_CLIP_MASK << TVO_VIP_CLIP_SHIFT;
        tmp = (val & mask) >> TVO_VIP_CLIP_SHIFT;
-       seq_printf(s, "%-24s %s\n", "Clipping:", clipping[tmp]);
-       seq_puts(s, "\t\t\t\t\t");
+       drm_printf(p, "%-24s %s", "Clipping:", clipping[tmp]);
+       drm_printf(p, "\n\t\t\t");
        mask = TVO_VIP_RND_MASK << TVO_VIP_RND_SHIFT;
        tmp = (val & mask) >> TVO_VIP_RND_SHIFT;
-       seq_printf(s, "%-24s input data rounded to %s per component\n",
+       drm_printf(p, "%-24s input data rounded to %s per component",
                   "Round:", round[tmp]);
-       seq_puts(s, "\t\t\t\t\t");
+       drm_printf(p, "\n\t\t\t");
        tmp = (val & TVO_VIP_SEL_INPUT_MASK);
-       seq_printf(s, "%-24s %s", "Input selection:", input_sel[tmp]);
+       drm_printf(p, "%-24s %s", "Input selection:", input_sel[tmp]);
 }
 
-static void tvout_dbg_hd_dac_cfg(struct seq_file *s, int val)
+static void tvout_dbg_hd_dac_cfg(struct drm_printer *p, int val)
 {
-       seq_printf(s, "\t%-24s %s", "HD DAC:",
+       drm_printf(p, "\t%-24s %s", "HD DAC:",
                   val & 1 ? "disabled" : "enabled");
 }
 
-static int tvout_dbg_show(struct seq_file *s, void *data)
+static void sti_tvout_print(struct drm_printer *p, struct drm_encoder *encoder)
 {
-       struct drm_info_node *node = s->private;
-       struct sti_tvout *tvout = (struct sti_tvout *)node->info_ent->data;
+       struct sti_tvout *tvout = to_sti_tvout(encoder);
        struct drm_crtc *crtc;
 
-       seq_printf(s, "TVOUT: (vaddr = 0x%p)", tvout->regs);
-
-       seq_puts(s, "\n\n  HDMI encoder: ");
-       crtc = tvout->hdmi->crtc;
-       if (crtc) {
-               seq_printf(s, "connected to %s path",
-                          sti_crtc_is_main(crtc) ? "main" : "aux");
-               DBGFS_DUMP(TVO_HDMI_SYNC_SEL);
-               DBGFS_DUMP(TVO_VIP_HDMI);
-               tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_HDMI));
-       } else {
-               seq_puts(s, "disabled");
+       drm_printf(p, "\tTVOUT: (vaddr = 0x%pK)\n", tvout->regs);
+
+       if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) {
+               drm_printf(p, "\tHDMI encoder: ");
+               crtc = tvout->hdmi->crtc;
+               if (crtc) {
+                       drm_printf(p, "connected to %s path",
+                                  sti_crtc_is_main(crtc) ? "main" : "aux");
+                       DBGFS_DUMP(TVO_HDMI_SYNC_SEL);
+                       DBGFS_DUMP(TVO_VIP_HDMI);
+                       tvout_dbg_vip(p, readl(tvout->regs + TVO_VIP_HDMI));
+               } else {
+                       drm_printf(p, "disabled\n");
+                       return;
+               }
        }
 
-       seq_puts(s, "\n\n  DVO encoder: ");
-       crtc = tvout->dvo->crtc;
-       if (crtc) {
-               seq_printf(s, "connected to %s path",
-                          sti_crtc_is_main(crtc) ? "main" : "aux");
-               DBGFS_DUMP(TVO_DVO_SYNC_SEL);
-               DBGFS_DUMP(TVO_DVO_CONFIG);
-               DBGFS_DUMP(TVO_VIP_DVO);
-               tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_DVO));
-       } else {
-               seq_puts(s, "disabled");
+       if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) {
+               drm_printf(p, "\tDVO encoder: ");
+               crtc = tvout->dvo->crtc;
+               if (crtc) {
+                       drm_printf(p, "connected to %s path",
+                                  sti_crtc_is_main(crtc) ? "main" : "aux");
+                       DBGFS_DUMP(TVO_DVO_SYNC_SEL);
+                       DBGFS_DUMP(TVO_DVO_CONFIG);
+                       DBGFS_DUMP(TVO_VIP_DVO);
+                       tvout_dbg_vip(p, readl(tvout->regs + TVO_VIP_DVO));
+               } else {
+                       drm_printf(p, "disabled\n");
+                       return;
+               }
        }
 
-       seq_puts(s, "\n\n  HDA encoder: ");
-       crtc = tvout->hda->crtc;
-       if (crtc) {
-               seq_printf(s, "connected to %s path",
-                          sti_crtc_is_main(crtc) ? "main" : "aux");
-               DBGFS_DUMP(TVO_HD_SYNC_SEL);
-               DBGFS_DUMP(TVO_HD_DAC_CFG_OFF);
-               tvout_dbg_hd_dac_cfg(s,
-                                    readl(tvout->regs + TVO_HD_DAC_CFG_OFF));
-               DBGFS_DUMP(TVO_VIP_HDF);
-               tvout_dbg_vip(s, readl(tvout->regs + TVO_VIP_HDF));
-       } else {
-               seq_puts(s, "disabled");
+       if (encoder->encoder_type == DRM_MODE_ENCODER_DAC) {
+               drm_printf(p, "\tHDA encoder: ");
+               crtc = tvout->hda->crtc;
+               if (crtc) {
+                       drm_printf(p, "connected to %s path",
+                                  sti_crtc_is_main(crtc) ? "main" : "aux");
+                       DBGFS_DUMP(TVO_HD_SYNC_SEL);
+                       DBGFS_DUMP(TVO_HD_DAC_CFG_OFF);
+                       tvout_dbg_hd_dac_cfg(p,
+                               readl(tvout->regs + TVO_HD_DAC_CFG_OFF));
+                       DBGFS_DUMP(TVO_VIP_HDF);
+                       tvout_dbg_vip(p, readl(tvout->regs + TVO_VIP_HDF));
+               } else {
+                       drm_printf(p, "disabled\n");
+                       return;
+               }
        }
 
-       seq_puts(s, "\n\n  main path configuration");
+       drm_printf(p, "\n\t\tmain path configuration");
        DBGFS_DUMP(TVO_CSC_MAIN_M0);
        DBGFS_DUMP(TVO_CSC_MAIN_M1);
        DBGFS_DUMP(TVO_CSC_MAIN_M2);
@@ -549,7 +557,7 @@ static int tvout_dbg_show(struct seq_file *s, void *data)
        DBGFS_DUMP(TVO_CSC_MAIN_M7);
        DBGFS_DUMP(TVO_MAIN_IN_VID_FORMAT);
 
-       seq_puts(s, "\n\n  auxiliary path configuration");
+       drm_printf(p, "\n\t\tauxiliary path configuration");
        DBGFS_DUMP(TVO_CSC_AUX_M0);
        DBGFS_DUMP(TVO_CSC_AUX_M2);
        DBGFS_DUMP(TVO_CSC_AUX_M3);
@@ -558,24 +566,7 @@ static int tvout_dbg_show(struct seq_file *s, void *data)
        DBGFS_DUMP(TVO_CSC_AUX_M6);
        DBGFS_DUMP(TVO_CSC_AUX_M7);
        DBGFS_DUMP(TVO_AUX_IN_VID_FORMAT);
-       seq_putc(s, '\n');
-       return 0;
-}
-
-static struct drm_info_list tvout_debugfs_files[] = {
-       { "tvout", tvout_dbg_show, 0, NULL },
-};
-
-static int tvout_debugfs_init(struct sti_tvout *tvout, struct drm_minor *minor)
-{
-       unsigned int i;
-
-       for (i = 0; i < ARRAY_SIZE(tvout_debugfs_files); i++)
-               tvout_debugfs_files[i].data = tvout;
-
-       return drm_debugfs_create_files(tvout_debugfs_files,
-                                       ARRAY_SIZE(tvout_debugfs_files),
-                                       minor->debugfs_root, minor);
+       drm_printf(p, "\n");
 }
 
 static void sti_tvout_encoder_dpms(struct drm_encoder *encoder, int mode)
@@ -596,36 +587,9 @@ static void sti_tvout_encoder_destroy(struct drm_encoder 
*encoder)
        kfree(sti_encoder);
 }
 
-static int sti_tvout_late_register(struct drm_encoder *encoder)
-{
-       struct sti_tvout *tvout = to_sti_tvout(encoder);
-       int ret;
-
-       if (tvout->debugfs_registered)
-               return 0;
-
-       ret = tvout_debugfs_init(tvout, encoder->dev->primary);
-       if (ret)
-               return ret;
-
-       tvout->debugfs_registered = true;
-       return 0;
-}
-
-static void sti_tvout_early_unregister(struct drm_encoder *encoder)
-{
-       struct sti_tvout *tvout = to_sti_tvout(encoder);
-
-       if (!tvout->debugfs_registered)
-               return;
-
-       tvout->debugfs_registered = false;
-}
-
 static const struct drm_encoder_funcs sti_tvout_encoder_funcs = {
        .destroy = sti_tvout_encoder_destroy,
-       .late_register = sti_tvout_late_register,
-       .early_unregister = sti_tvout_early_unregister,
+       .atomic_print = sti_tvout_print
 };
 
 static void sti_dvo_encoder_enable(struct drm_encoder *encoder)
-- 
2.15.0

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