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xf86Crtc: setup tiled monitors correctly in right of

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This puts the tiles of the monitor in the right place at
X server startup.

Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2015-04-01 14:32:00 +10:00
parent e472dd8942
commit afd18bce6a
1 changed files with 61 additions and 0 deletions
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61
hw/xfree86/modes/xf86Crtc.c
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@ -2128,6 +2128,8 @@ xf86TargetRightOf(ScrnInfoPtr scrn, xf86CrtcConfigPtr config,
{
int o;
int w = 0;
Bool has_tile = FALSE;
uint32_t configured_outputs;
if (scrn->preferClone)
return FALSE;
@ -2149,16 +2151,75 @@ xf86TargetRightOf(ScrnInfoPtr scrn, xf86CrtcConfigPtr config,
return FALSE;
w = 0;
configured_outputs = 0;
for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
DisplayModePtr mode =
xf86OutputHasPreferredMode(config->output[o], width, height);
if (configured_outputs & (1 << o))
continue;
if (config->output[o]->tile_info.group_id) {
has_tile = TRUE;
continue;
}
config->output[o]->initial_x = w;
w += mode->HDisplay;
configured_outputs |= (1 << o);
modes[o] = mode;
}
if (has_tile) {
for (o = -1; nextEnabledOutput(config, enabled, &o); ) {
int ht, vt, ot;
int add_x, cur_x = w;
struct xf86CrtcTileInfo *tile_info = &config->output[o]->tile_info, *this_tile;
if (configured_outputs & (1 << o))
continue;
if (!tile_info->group_id)
continue;
if (tile_info->tile_h_loc != 0 && tile_info->tile_v_loc != 0)
continue;
for (ht = 0; ht < tile_info->num_h_tile; ht++) {
int cur_y = 0;
add_x = 0;
for (vt = 0; vt < tile_info->num_v_tile; vt++) {
for (ot = -1; nextEnabledOutput(config, enabled, &ot); ) {
DisplayModePtr mode =
xf86OutputHasPreferredMode(config->output[ot], width, height);
if (!config->output[ot]->tile_info.group_id)
continue;
this_tile = &config->output[ot]->tile_info;
if (this_tile->group_id != tile_info->group_id)
continue;
if (this_tile->tile_h_loc != ht ||
this_tile->tile_v_loc != vt)
continue;
config->output[ot]->initial_x = cur_x;
config->output[ot]->initial_y = cur_y;
if (vt == 0)
add_x = this_tile->tile_h_size;
cur_y += this_tile->tile_v_size;
configured_outputs |= (1 << ot);
modes[ot] = mode;
}
}
cur_x += add_x;
}
w = cur_x;
}
}
return TRUE;
}