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path: root/drivers/gpu/drm/radeon/radeon_connectors.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c199
1 files changed, 153 insertions, 46 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index e376be4..fce4c40 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -178,25 +178,12 @@ static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encode
struct drm_device *dev = encoder->dev;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_display_mode *mode = NULL;
- struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
-
- if (native_mode->panel_xres != 0 &&
- native_mode->panel_yres != 0 &&
- native_mode->dotclock != 0) {
- mode = drm_mode_create(dev);
-
- mode->hdisplay = native_mode->panel_xres;
- mode->vdisplay = native_mode->panel_yres;
-
- mode->htotal = mode->hdisplay + native_mode->hblank;
- mode->hsync_start = mode->hdisplay + native_mode->hoverplus;
- mode->hsync_end = mode->hsync_start + native_mode->hsync_width;
- mode->vtotal = mode->vdisplay + native_mode->vblank;
- mode->vsync_start = mode->vdisplay + native_mode->voverplus;
- mode->vsync_end = mode->vsync_start + native_mode->vsync_width;
- mode->clock = native_mode->dotclock;
- mode->flags = 0;
+ struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
+ if (native_mode->hdisplay != 0 &&
+ native_mode->vdisplay != 0 &&
+ native_mode->clock != 0) {
+ mode = drm_mode_duplicate(dev, native_mode);
mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
drm_mode_set_name(mode);
@@ -210,7 +197,7 @@ static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_conn
struct drm_device *dev = encoder->dev;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_display_mode *mode = NULL;
- struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
+ struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
int i;
struct mode_size {
int w;
@@ -236,11 +223,16 @@ static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_conn
};
for (i = 0; i < 17; i++) {
+ if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
+ if (common_modes[i].w > 1024 ||
+ common_modes[i].h > 768)
+ continue;
+ }
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
- if (common_modes[i].w > native_mode->panel_xres ||
- common_modes[i].h > native_mode->panel_yres ||
- (common_modes[i].w == native_mode->panel_xres &&
- common_modes[i].h == native_mode->panel_yres))
+ if (common_modes[i].w > native_mode->hdisplay ||
+ common_modes[i].h > native_mode->vdisplay ||
+ (common_modes[i].w == native_mode->hdisplay &&
+ common_modes[i].h == native_mode->vdisplay))
continue;
}
if (common_modes[i].w < 320 || common_modes[i].h < 200)
@@ -344,28 +336,23 @@ static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
struct drm_connector *connector)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
- struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
+ struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
/* Try to get native mode details from EDID if necessary */
- if (!native_mode->dotclock) {
+ if (!native_mode->clock) {
struct drm_display_mode *t, *mode;
list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
- if (mode->hdisplay == native_mode->panel_xres &&
- mode->vdisplay == native_mode->panel_yres) {
- native_mode->hblank = mode->htotal - mode->hdisplay;
- native_mode->hoverplus = mode->hsync_start - mode->hdisplay;
- native_mode->hsync_width = mode->hsync_end - mode->hsync_start;
- native_mode->vblank = mode->vtotal - mode->vdisplay;
- native_mode->voverplus = mode->vsync_start - mode->vdisplay;
- native_mode->vsync_width = mode->vsync_end - mode->vsync_start;
- native_mode->dotclock = mode->clock;
+ if (mode->hdisplay == native_mode->hdisplay &&
+ mode->vdisplay == native_mode->vdisplay) {
+ *native_mode = *mode;
+ drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
DRM_INFO("Determined LVDS native mode details from EDID\n");
break;
}
}
}
- if (!native_mode->dotclock) {
+ if (!native_mode->clock) {
DRM_INFO("No LVDS native mode details, disabling RMX\n");
radeon_encoder->rmx_type = RMX_OFF;
}
@@ -410,13 +397,64 @@ static int radeon_lvds_get_modes(struct drm_connector *connector)
static int radeon_lvds_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
+ struct drm_encoder *encoder = radeon_best_single_encoder(connector);
+
+ if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
+ return MODE_PANEL;
+
+ if (encoder) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
+
+ /* AVIVO hardware supports downscaling modes larger than the panel
+ * to the panel size, but I'm not sure this is desirable.
+ */
+ if ((mode->hdisplay > native_mode->hdisplay) ||
+ (mode->vdisplay > native_mode->vdisplay))
+ return MODE_PANEL;
+
+ /* if scaling is disabled, block non-native modes */
+ if (radeon_encoder->rmx_type == RMX_OFF) {
+ if ((mode->hdisplay != native_mode->hdisplay) ||
+ (mode->vdisplay != native_mode->vdisplay))
+ return MODE_PANEL;
+ }
+ }
+
return MODE_OK;
}
static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
{
- enum drm_connector_status ret = connector_status_connected;
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct drm_encoder *encoder = radeon_best_single_encoder(connector);
+ enum drm_connector_status ret = connector_status_disconnected;
+
+ if (encoder) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
+
+ /* check if panel is valid */
+ if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
+ ret = connector_status_connected;
+
+ }
+
+ /* check for edid as well */
+ if (radeon_connector->edid)
+ ret = connector_status_connected;
+ else {
+ if (radeon_connector->ddc_bus) {
+ radeon_i2c_do_lock(radeon_connector, 1);
+ radeon_connector->edid = drm_get_edid(&radeon_connector->base,
+ &radeon_connector->ddc_bus->adapter);
+ radeon_i2c_do_lock(radeon_connector, 0);
+ if (radeon_connector->edid)
+ ret = connector_status_connected;
+ }
+ }
/* check acpi lid status ??? */
+
radeon_connector_update_scratch_regs(connector, ret);
return ret;
}
@@ -427,6 +465,8 @@ static void radeon_connector_destroy(struct drm_connector *connector)
if (radeon_connector->ddc_bus)
radeon_i2c_destroy(radeon_connector->ddc_bus);
+ if (radeon_connector->edid)
+ kfree(radeon_connector->edid);
kfree(radeon_connector->con_priv);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
@@ -496,6 +536,8 @@ static int radeon_vga_get_modes(struct drm_connector *connector)
static int radeon_vga_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
+ /* XXX check mode bandwidth */
+ /* XXX verify against max DAC output frequency */
return MODE_OK;
}
@@ -514,9 +556,32 @@ static enum drm_connector_status radeon_vga_detect(struct drm_connector *connect
radeon_i2c_do_lock(radeon_connector, 1);
dret = radeon_ddc_probe(radeon_connector);
radeon_i2c_do_lock(radeon_connector, 0);
- if (dret)
- ret = connector_status_connected;
- else {
+ if (dret) {
+ if (radeon_connector->edid) {
+ kfree(radeon_connector->edid);
+ radeon_connector->edid = NULL;
+ }
+ radeon_i2c_do_lock(radeon_connector, 1);
+ radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
+ radeon_i2c_do_lock(radeon_connector, 0);
+
+ if (!radeon_connector->edid) {
+ DRM_ERROR("DDC responded but not EDID found for %s\n",
+ drm_get_connector_name(connector));
+ } else {
+ radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
+
+ /* some oems have boards with separate digital and analog connectors
+ * with a shared ddc line (often vga + hdmi)
+ */
+ if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
+ kfree(radeon_connector->edid);
+ radeon_connector->edid = NULL;
+ ret = connector_status_disconnected;
+ } else
+ ret = connector_status_connected;
+ }
+ } else {
if (radeon_connector->dac_load_detect) {
encoder_funcs = encoder->helper_private;
ret = encoder_funcs->detect(encoder, connector);
@@ -570,6 +635,8 @@ static int radeon_tv_get_modes(struct drm_connector *connector)
static int radeon_tv_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
+ if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
+ return MODE_CLOCK_RANGE;
return MODE_OK;
}
@@ -644,6 +711,10 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect
dret = radeon_ddc_probe(radeon_connector);
radeon_i2c_do_lock(radeon_connector, 0);
if (dret) {
+ if (radeon_connector->edid) {
+ kfree(radeon_connector->edid);
+ radeon_connector->edid = NULL;
+ }
radeon_i2c_do_lock(radeon_connector, 1);
radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
radeon_i2c_do_lock(radeon_connector, 0);
@@ -654,10 +725,15 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect
} else {
radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
- /* if this isn't a digital monitor
- then we need to make sure we don't have any
- TV conflicts */
- ret = connector_status_connected;
+ /* some oems have boards with separate digital and analog connectors
+ * with a shared ddc line (often vga + hdmi)
+ */
+ if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
+ kfree(radeon_connector->edid);
+ radeon_connector->edid = NULL;
+ ret = connector_status_disconnected;
+ } else
+ ret = connector_status_connected;
}
}
@@ -753,9 +829,27 @@ static void radeon_dvi_force(struct drm_connector *connector)
radeon_connector->use_digital = true;
}
+static int radeon_dvi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+
+ /* XXX check mode bandwidth */
+
+ if (radeon_connector->use_digital && (mode->clock > 165000)) {
+ if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
+ (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
+ (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
+ return MODE_OK;
+ else
+ return MODE_CLOCK_HIGH;
+ }
+ return MODE_OK;
+}
+
struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
.get_modes = radeon_dvi_get_modes,
- .mode_valid = radeon_vga_mode_valid,
+ .mode_valid = radeon_dvi_mode_valid,
.best_encoder = radeon_dvi_encoder,
};
@@ -775,13 +869,15 @@ radeon_add_atom_connector(struct drm_device *dev,
int connector_type,
struct radeon_i2c_bus_rec *i2c_bus,
bool linkb,
- uint32_t igp_lane_info)
+ uint32_t igp_lane_info,
+ uint16_t connector_object_id)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_connector *connector;
struct radeon_connector *radeon_connector;
struct radeon_connector_atom_dig *radeon_dig_connector;
uint32_t subpixel_order = SubPixelNone;
+ bool shared_ddc = false;
int ret;
/* fixme - tv/cv/din */
@@ -795,6 +891,13 @@ radeon_add_atom_connector(struct drm_device *dev,
radeon_connector->devices |= supported_device;
return;
}
+ if (radeon_connector->ddc_bus && i2c_bus->valid) {
+ if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
+ sizeof(struct radeon_i2c_bus_rec)) == 0) {
+ radeon_connector->shared_ddc = true;
+ shared_ddc = true;
+ }
+ }
}
radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
@@ -805,6 +908,8 @@ radeon_add_atom_connector(struct drm_device *dev,
radeon_connector->connector_id = connector_id;
radeon_connector->devices = supported_device;
+ radeon_connector->shared_ddc = shared_ddc;
+ radeon_connector->connector_object_id = connector_object_id;
switch (connector_type) {
case DRM_MODE_CONNECTOR_VGA:
drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
@@ -956,7 +1061,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
uint32_t connector_id,
uint32_t supported_device,
int connector_type,
- struct radeon_i2c_bus_rec *i2c_bus)
+ struct radeon_i2c_bus_rec *i2c_bus,
+ uint16_t connector_object_id)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_connector *connector;
@@ -985,6 +1091,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
radeon_connector->connector_id = connector_id;
radeon_connector->devices = supported_device;
+ radeon_connector->connector_object_id = connector_object_id;
switch (connector_type) {
case DRM_MODE_CONNECTOR_VGA:
drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);