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Subject[PATCH v1 6/7] drm: sti: make encoders use atomic_print_state instead of debugfs
Date
Convert all sti encoders to atomic_print usage rather than use a
debugfs entry.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@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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