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modesetting: add tile property support (v2.1)

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This adds tiling support to the server modesetting driver,
it retrieves the tile info from the kernel and translates
it into the server format and exposes the property.

v2.1: fix resetting tile property (Chris)

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2015-03-23 11:33:23 +10:00
parent 9257b1252d
commit 8fb8bbb306
2 changed files with 43 additions and 0 deletions
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42
hw/xfree86/drivers/modesetting/drmmode_display.c
View File

@ -749,6 +749,46 @@ drmmode_output_mode_valid(xf86OutputPtr output, DisplayModePtr pModes)
return MODE_OK;
}
static void
drmmode_output_attach_tile(xf86OutputPtr output)
{
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmModeConnectorPtr koutput = drmmode_output->mode_output;
drmmode_ptr drmmode = drmmode_output->drmmode;
int i;
struct xf86CrtcTileInfo tile_info, *set = NULL;
if (!koutput) {
xf86OutputSetTile(output, NULL);
return;
}
/* look for a TILE property */
for (i = 0; i < koutput->count_props; i++) {
drmModePropertyPtr props;
props = drmModeGetProperty(drmmode->fd, koutput->props[i]);
if (!props)
continue;
if (!(props->flags & DRM_MODE_PROP_BLOB)) {
drmModeFreeProperty(props);
continue;
}
if (!strcmp(props->name, "TILE")) {
drmModeFreePropertyBlob(drmmode_output->tile_blob);
drmmode_output->tile_blob =
drmModeGetPropertyBlob(drmmode->fd, koutput->prop_values[i]);
}
drmModeFreeProperty(props);
}
if (drmmode_output->tile_blob) {
if (xf86OutputParseKMSTile(drmmode_output->tile_blob->data, drmmode_output->tile_blob->length, &tile_info) == TRUE)
set = &tile_info;
}
xf86OutputSetTile(output, set);
}
static Bool
has_panel_fitter(xf86OutputPtr output)
{
@ -857,6 +897,8 @@ drmmode_output_get_modes(xf86OutputPtr output)
}
xf86OutputSetEDID(output, mon);
drmmode_output_attach_tile(output);
/* modes should already be available */
for (i = 0; i < koutput->count_modes; i++) {
Mode = xnfalloc(sizeof(DisplayModeRec));

1
hw/xfree86/drivers/modesetting/drmmode_display.h
View File

@ -120,6 +120,7 @@ typedef struct {
drmModeConnectorPtr mode_output;
drmModeEncoderPtr *mode_encoders;
drmModePropertyBlobPtr edid_blob;
drmModePropertyBlobPtr tile_blob;
int dpms_enum_id;
int num_props;
drmmode_prop_ptr props;