As a proof of concept, first try to convert intel_tv, which is a rarely
used connector. It has 5 properties, tv format and 4 margins.
I'm less certain about the state behavior itself, should we pass a size
parameter to intel_connector_alloc instead, so duplicate_state
can be done globally if it can be blindly copied?
Can we also have a atomic_check function for connectors, so the
crtc_state->connectors_changed can be set there? It would be cleaner
and more atomic-like.
To match the legacy behavior, format can be changed by probing just like
in legacy mode.
Changes since v1:
- Add intel_encoder->swap_state to allow updating connector state.
- Add intel_tv->format for detect_mode and mode_valid, updated on atomic commit.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 15 ++
drivers/gpu/drm/i915/intel_drv.h | 4 +
drivers/gpu/drm/i915/intel_tv.c | 259 +++++++++++++++++++++--------------
3 files changed, 176 insertions(+), 102 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index ac25c9bc8b81..18b7e7546ee1 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12954,6 +12954,20 @@ static void intel_atomic_track_fbs(struct
drm_atomic_state *state)
to_intel_plane(plane)->frontbuffer_bit);
}
+static void swap_connector_state(struct drm_atomic_state *state)
+{
+ struct drm_connector *connector;
+ struct drm_connector_state *new_conn_state;
+ int i;
+
+ for_each_new_connector_in_state(state, connector, new_conn_state, i) {
+ struct intel_connector *conn = to_intel_connector(connector);
+
+ if (conn->swap_state)
+ conn->swap_state(conn, new_conn_state);
+ }
+}
+
/**
* intel_atomic_commit - commit validated state object
* @dev: DRM device
@@ -13012,6 +13026,7 @@ static int intel_atomic_commit(struct drm_device *dev,
dev_priv->cdclk.logical = intel_state->cdclk.logical;
dev_priv->cdclk.actual = intel_state->cdclk.actual;
}
+ swap_connector_state(state);
drm_atomic_state_get(state);
INIT_WORK(&state->commit_work,
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 937623ff6d7c..b7b93799d288 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -307,6 +307,10 @@ struct intel_connector {
* and active (i.e. dpms ON state). */
bool (*get_hw_state)(struct intel_connector *);
+ /* Update device state with the new atomic state. */
+ void (*swap_state)(struct intel_connector *,
+ struct drm_connector_state *);
+
/* Panel info for eDP and LVDS */
struct intel_panel panel;
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 6ed1a3ce47b7..b87d51e61975 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -48,8 +48,6 @@ struct intel_tv {
struct intel_encoder base;
int type;
- const char *tv_format;
- int margin[4];
u32 save_TV_H_CTL_1;
u32 save_TV_H_CTL_2;
u32 save_TV_H_CTL_3;
@@ -83,8 +81,20 @@ struct intel_tv {
u32 save_TV_DAC;
u32 save_TV_CTL;
+
+ int format;
+};
+
+struct intel_tv_connector_state {
+ struct drm_connector_state base;
+
+ int format;
+ int margin[4];
};
+#define to_intel_tv_connector_state(state) \
+ container_of((state), struct intel_tv_connector_state, base)
+
struct video_levels {
u16 blank, black;
u8 burst;
@@ -848,6 +858,17 @@ intel_tv_get_hw_state(struct intel_encoder *encoder, enum
pipe *pipe)
}
static void
+intel_tv_swap_state(struct intel_connector *connector,
+ struct drm_connector_state *conn_state)
+{
+ struct intel_tv *intel_tv = intel_attached_tv(&connector->base);
+ struct intel_tv_connector_state *tv_state =
+ to_intel_tv_connector_state(conn_state);
+
+ intel_tv->format = tv_state->format;
+}
+
+static void
intel_enable_tv(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state)
@@ -873,32 +894,25 @@ intel_disable_tv(struct intel_encoder *encoder,
I915_WRITE(TV_CTL, I915_READ(TV_CTL) & ~TV_ENC_ENABLE);
}
-static const struct tv_mode *
-intel_tv_mode_lookup(const char *tv_format)
+static const struct tv_mode *intel_tv_mode_find(struct drm_connector_state
*conn_state)
{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
- const struct tv_mode *tv_mode = &tv_modes[i];
+ int format = to_intel_tv_connector_state(conn_state)->format;
- if (!strcmp(tv_format, tv_mode->name))
- return tv_mode;
- }
- return NULL;
+ return &tv_modes[format];
}
-static const struct tv_mode *
-intel_tv_mode_find(struct intel_tv *intel_tv)
+static const struct tv_mode *intel_tv_mode_find_committed(struct drm_connector
*connector)
{
- return intel_tv_mode_lookup(intel_tv->tv_format);
+ int format = intel_attached_tv(connector)->format;
+
+ return &tv_modes[format];
}
static enum drm_mode_status
intel_tv_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- struct intel_tv *intel_tv = intel_attached_tv(connector);
- const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+ const struct tv_mode *tv_mode = intel_tv_mode_find_committed(connector);
int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
if (mode->clock > max_dotclk)
@@ -925,8 +939,7 @@ intel_tv_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state)
{
- struct intel_tv *intel_tv = enc_to_tv(encoder);
- const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(conn_state);
if (!tv_mode)
return false;
@@ -1032,7 +1045,7 @@ static void intel_tv_pre_enable(struct intel_encoder
*encoder,
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
struct intel_tv *intel_tv = enc_to_tv(encoder);
- const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(conn_state);
u32 tv_ctl;
u32 scctl1, scctl2, scctl3;
int i, j;
@@ -1041,6 +1054,8 @@ static void intel_tv_pre_enable(struct intel_encoder
*encoder,
bool burst_ena;
int xpos = 0x0, ypos = 0x0;
unsigned int xsize, ysize;
+ struct intel_tv_connector_state *tv_state =
+ to_intel_tv_connector_state(conn_state);
if (!tv_mode)
return; /* can't happen (mode_prepare prevents this) */
@@ -1135,12 +1150,12 @@ static void intel_tv_pre_enable(struct intel_encoder
*encoder,
else
ysize = 2*tv_mode->nbr_end + 1;
- xpos += intel_tv->margin[TV_MARGIN_LEFT];
- ypos += intel_tv->margin[TV_MARGIN_TOP];
- xsize -= (intel_tv->margin[TV_MARGIN_LEFT] +
- intel_tv->margin[TV_MARGIN_RIGHT]);
- ysize -= (intel_tv->margin[TV_MARGIN_TOP] +
- intel_tv->margin[TV_MARGIN_BOTTOM]);
+ xpos += tv_state->margin[TV_MARGIN_LEFT];
+ ypos += tv_state->margin[TV_MARGIN_TOP];
+ xsize -= (tv_state->margin[TV_MARGIN_LEFT] +
+ tv_state->margin[TV_MARGIN_RIGHT]);
+ ysize -= (tv_state->margin[TV_MARGIN_TOP] +
+ tv_state->margin[TV_MARGIN_BOTTOM]);
I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos);
I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize);
@@ -1288,7 +1303,7 @@ intel_tv_detect_type(struct intel_tv *intel_tv,
static void intel_tv_find_better_format(struct drm_connector *connector)
{
struct intel_tv *intel_tv = intel_attached_tv(connector);
- const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+ const struct tv_mode *tv_mode = intel_tv_mode_find(connector->state);
int i;
if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
@@ -1304,9 +1319,8 @@ static void intel_tv_find_better_format(struct
drm_connector *connector)
break;
}
- intel_tv->tv_format = tv_mode->name;
- drm_object_property_set_value(&connector->base,
- connector->dev->mode_config.tv_mode_property, i);
+ to_intel_tv_connector_state(connector->state)->format = i;
+ intel_attached_tv(connector)->format = i;
}
/**
@@ -1344,18 +1358,17 @@ intel_tv_detect(struct drm_connector *connector, bool
force)
} else
status = connector_status_unknown;
+ if (status == connector_status_connected) {
+ intel_tv->type = type;
+ intel_tv_find_better_format(connector);
+ }
+
drm_modeset_drop_locks(&ctx);
drm_modeset_acquire_fini(&ctx);
- } else
- return connector->status;
- if (status != connector_status_connected)
return status;
-
- intel_tv->type = type;
- intel_tv_find_better_format(connector);
-
- return connector_status_connected;
+ } else
+ return connector->status;
}
static const struct input_res {
@@ -1375,12 +1388,9 @@ static const struct input_res {
* Chose preferred mode according to line number of TV format
*/
static void
-intel_tv_chose_preferred_modes(struct drm_connector *connector,
+intel_tv_chose_preferred_modes(const struct tv_mode *tv_mode,
struct drm_display_mode *mode_ptr)
{
- struct intel_tv *intel_tv = intel_attached_tv(connector);
- const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
-
if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
else if (tv_mode->nbr_end > 480) {
@@ -1403,8 +1413,7 @@ static int
intel_tv_get_modes(struct drm_connector *connector)
{
struct drm_display_mode *mode_ptr;
- struct intel_tv *intel_tv = intel_attached_tv(connector);
- const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
+ const struct tv_mode *tv_mode = intel_tv_mode_find_committed(connector);
int j, count = 0;
u64 tmp;
@@ -1447,7 +1456,7 @@ intel_tv_get_modes(struct drm_connector *connector)
mode_ptr->clock = (int) tmp;
mode_ptr->type = DRM_MODE_TYPE_DRIVER;
- intel_tv_chose_preferred_modes(connector, mode_ptr);
+ intel_tv_chose_preferred_modes(tv_mode, mode_ptr);
drm_mode_probed_add(connector, mode_ptr);
count++;
}
@@ -1462,56 +1471,97 @@ intel_tv_destroy(struct drm_connector *connector)
kfree(connector);
}
-
static int
-intel_tv_set_property(struct drm_connector *connector, struct drm_property
*property,
- uint64_t val)
+intel_tv_atomic_set_property(struct drm_connector *connector,
+ struct drm_connector_state *conn_state,
+ struct drm_property *property,
+ uint64_t val)
{
struct drm_device *dev = connector->dev;
- struct intel_tv *intel_tv = intel_attached_tv(connector);
- struct drm_crtc *crtc = intel_tv->base.base.crtc;
- int ret = 0;
+
+ struct intel_tv_connector_state *tv_state =
+ to_intel_tv_connector_state(conn_state);
bool changed = false;
- ret = drm_object_property_set_value(&connector->base, property, val);
- if (ret < 0)
- goto out;
-
- if (property == dev->mode_config.tv_left_margin_property &&
- intel_tv->margin[TV_MARGIN_LEFT] != val) {
- intel_tv->margin[TV_MARGIN_LEFT] = val;
- changed = true;
- } else if (property == dev->mode_config.tv_right_margin_property &&
- intel_tv->margin[TV_MARGIN_RIGHT] != val) {
- intel_tv->margin[TV_MARGIN_RIGHT] = val;
- changed = true;
- } else if (property == dev->mode_config.tv_top_margin_property &&
- intel_tv->margin[TV_MARGIN_TOP] != val) {
- intel_tv->margin[TV_MARGIN_TOP] = val;
- changed = true;
- } else if (property == dev->mode_config.tv_bottom_margin_property &&
- intel_tv->margin[TV_MARGIN_BOTTOM] != val) {
- intel_tv->margin[TV_MARGIN_BOTTOM] = val;
- changed = true;
+ if (property == dev->mode_config.tv_left_margin_property) {
+ changed = tv_state->margin[TV_MARGIN_LEFT] != val;
+
+ tv_state->margin[TV_MARGIN_LEFT] = val;
+ } else if (property == dev->mode_config.tv_right_margin_property) {
+ changed = tv_state->margin[TV_MARGIN_RIGHT] != val;
+
+ tv_state->margin[TV_MARGIN_RIGHT] = val;
+ } else if (property == dev->mode_config.tv_top_margin_property) {
+ changed = tv_state->margin[TV_MARGIN_TOP] != val;
+
+ tv_state->margin[TV_MARGIN_TOP] = val;
+ } else if (property == dev->mode_config.tv_bottom_margin_property) {
+ changed = tv_state->margin[TV_MARGIN_BOTTOM] != val;
+
+ tv_state->margin[TV_MARGIN_BOTTOM] = val;
} else if (property == dev->mode_config.tv_mode_property) {
if (val >= ARRAY_SIZE(tv_modes)) {
- ret = -EINVAL;
- goto out;
+ DRM_DEBUG_ATOMIC("value %llu out of tv_modes array
bounds\n", val);
+
+ return -EINVAL;
}
- if (!strcmp(intel_tv->tv_format, tv_modes[val].name))
- goto out;
- intel_tv->tv_format = tv_modes[val].name;
- changed = true;
+ changed = tv_state->format != val;
+ tv_state->format = val;
+ } else {
+ DRM_DEBUG_ATOMIC("Unknown atomic property %s\n",
property->name);
+ return -EINVAL;
+ }
+
+ /* Trigger a modeset when connector properties are changed. */
+ if (changed && conn_state->crtc) {
+ struct drm_crtc_state *crtc_state =
+ drm_atomic_get_existing_crtc_state(conn_state->state,
+ conn_state->crtc);
+
+ crtc_state->connectors_changed = true;
+ }
+ return 0;
+}
+
+static int
+intel_tv_atomic_get_property(struct drm_connector *connector,
+ const struct drm_connector_state *state,
+ struct drm_property *property,
+ uint64_t *val)
+{
+ struct drm_device *dev = connector->dev;
+ struct intel_tv_connector_state *tv_state =
+ to_intel_tv_connector_state(state);
+
+ if (property == dev->mode_config.tv_left_margin_property)
+ *val = tv_state->margin[TV_MARGIN_LEFT];
+ else if (property == dev->mode_config.tv_right_margin_property)
+ *val = tv_state->margin[TV_MARGIN_RIGHT];
+ else if (property == dev->mode_config.tv_top_margin_property)
+ *val = tv_state->margin[TV_MARGIN_TOP];
+ else if (property == dev->mode_config.tv_bottom_margin_property)
+ *val = tv_state->margin[TV_MARGIN_BOTTOM];
+ else if (property == dev->mode_config.tv_mode_property) {
+ *val = tv_state->format;
} else {
- ret = -EINVAL;
- goto out;
+ DRM_DEBUG_ATOMIC("Unknown atomic property %s\n",
property->name);
+ return -EINVAL;
}
- if (changed && crtc)
- intel_crtc_restore_mode(crtc);
-out:
- return ret;
+ return 0;
+}
+
+static struct drm_connector_state *
+intel_tv_duplicate_state(struct drm_connector *connector)
+{
+ struct intel_tv_connector_state *state;
+
+ state = kmemdup(&connector->state, sizeof(*state), GFP_KERNEL);
+ if (state)
+ __drm_atomic_helper_connector_duplicate_state(connector,
&state->base);
+
+ return &state->base;
}
static const struct drm_connector_funcs intel_tv_connector_funcs = {
@@ -1520,11 +1570,12 @@ static const struct drm_connector_funcs
intel_tv_connector_funcs = {
.late_register = intel_connector_register,
.early_unregister = intel_connector_unregister,
.destroy = intel_tv_destroy,
- .set_property = intel_tv_set_property,
- .atomic_get_property = intel_connector_atomic_get_property,
+ .set_property = drm_atomic_helper_connector_set_property,
+ .atomic_set_property = intel_tv_atomic_set_property,
+ .atomic_get_property = intel_tv_atomic_get_property,
.fill_modes = drm_helper_probe_single_connector_modes,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_duplicate_state = intel_tv_duplicate_state,
};
static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs
= {
@@ -1547,6 +1598,7 @@ intel_tv_init(struct drm_i915_private *dev_priv)
u32 tv_dac_on, tv_dac_off, save_tv_dac;
const char *tv_format_names[ARRAY_SIZE(tv_modes)];
int i, initial_mode = 0;
+ struct intel_tv_connector_state *state;
if ((I915_READ(TV_CTL) & TV_FUSE_STATE_MASK) == TV_FUSE_STATE_DISABLED)
return;
@@ -1580,16 +1632,17 @@ intel_tv_init(struct drm_i915_private *dev_priv)
return;
intel_tv = kzalloc(sizeof(*intel_tv), GFP_KERNEL);
- if (!intel_tv) {
- return;
- }
-
- intel_connector = intel_connector_alloc();
- if (!intel_connector) {
+ intel_connector = kzalloc(sizeof(*intel_connector), GFP_KERNEL);
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!intel_tv || !intel_connector || !state) {
+ kfree(intel_connector);
+ kfree(state);
kfree(intel_tv);
return;
}
+ __drm_atomic_helper_connector_reset(&intel_connector->base,
&state->base);
+
intel_encoder = &intel_tv->base;
connector = &intel_connector->base;
@@ -1617,6 +1670,7 @@ intel_tv_init(struct drm_i915_private *dev_priv)
intel_encoder->disable = intel_disable_tv;
intel_encoder->get_hw_state = intel_tv_get_hw_state;
intel_connector->get_hw_state = intel_connector_get_hw_state;
+ intel_connector->swap_state = intel_tv_swap_state;
intel_connector_attach_encoder(intel_connector, intel_encoder);
@@ -1629,12 +1683,13 @@ intel_tv_init(struct drm_i915_private *dev_priv)
intel_tv->type = DRM_MODE_CONNECTOR_Unknown;
/* BIOS margin values */
- intel_tv->margin[TV_MARGIN_LEFT] = 54;
- intel_tv->margin[TV_MARGIN_TOP] = 36;
- intel_tv->margin[TV_MARGIN_RIGHT] = 46;
- intel_tv->margin[TV_MARGIN_BOTTOM] = 37;
+ state->margin[TV_MARGIN_LEFT] = 54;
+ state->margin[TV_MARGIN_TOP] = 36;
+ state->margin[TV_MARGIN_RIGHT] = 46;
+ state->margin[TV_MARGIN_BOTTOM] = 37;
- intel_tv->tv_format = tv_modes[initial_mode].name;
+ state->format = initial_mode;
+ intel_tv->format = initial_mode;
drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs);
connector->interlace_allowed = false;
@@ -1648,17 +1703,17 @@ intel_tv_init(struct drm_i915_private *dev_priv)
tv_format_names);
drm_object_attach_property(&connector->base,
dev->mode_config.tv_mode_property,
- initial_mode);
+ state->format);
drm_object_attach_property(&connector->base,
dev->mode_config.tv_left_margin_property,
- intel_tv->margin[TV_MARGIN_LEFT]);
+ state->margin[TV_MARGIN_LEFT]);
drm_object_attach_property(&connector->base,
dev->mode_config.tv_top_margin_property,
- intel_tv->margin[TV_MARGIN_TOP]);
+ state->margin[TV_MARGIN_TOP]);
drm_object_attach_property(&connector->base,
dev->mode_config.tv_right_margin_property,
- intel_tv->margin[TV_MARGIN_RIGHT]);
+ state->margin[TV_MARGIN_RIGHT]);
drm_object_attach_property(&connector->base,
dev->mode_config.tv_bottom_margin_property,
- intel_tv->margin[TV_MARGIN_BOTTOM]);
+ state->margin[TV_MARGIN_BOTTOM]);
}
--
2.7.4
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