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modesetting: add tile property support

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

(Ported from xserver commits 8fb8bbb3062f1a06621ab7030a9e89d5e8367b35
 and 6abdb54a11dac4e8854ff94ecdcb90a14321ab31)
(Ported from amdgpu commit 6ee857726166f495abcd68e4ff60e3a09593d079)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dave Airlie
2019-03-14 11:17:32 +01:00
committed by Michel Dänzer
parent 79bc0e054f
commit 4407c78bd8
2 changed files with 55 additions and 2 deletions
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54
src/drmmode_display.c
View File

@@ -1576,6 +1576,51 @@ drmmode_output_mode_valid(xf86OutputPtr output, DisplayModePtr pModes)
return MODE_OK;
}
static void
drmmode_output_attach_tile(xf86OutputPtr output)
{
#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1, 17, 99, 901, 0)
drmmode_output_private_ptr drmmode_output = output->driver_private;
drmModeConnectorPtr koutput = drmmode_output->mode_output;
RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn);
struct xf86CrtcTileInfo tile_info, *set = NULL;
int i;
if (!koutput) {
xf86OutputSetTile(output, NULL);
return;
}
/* look for a TILE property */
for (i = 0; i < koutput->count_props; i++) {
drmModePropertyPtr props;
props = drmModeGetProperty(pRADEONEnt->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(pRADEONEnt->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);
#endif
}
static int
koutput_get_prop_idx(int fd, drmModeConnectorPtr koutput,
int type, const char *name)
@@ -1648,6 +1693,8 @@ 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));
@@ -1665,8 +1712,11 @@ drmmode_output_destroy(xf86OutputPtr output)
drmmode_output_private_ptr drmmode_output = output->driver_private;
int i;
if (drmmode_output->edid_blob)
drmModeFreePropertyBlob(drmmode_output->edid_blob);
drmModeFreePropertyBlob(drmmode_output->edid_blob);
#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1, 17, 99, 901, 0)
drmModeFreePropertyBlob(drmmode_output->tile_blob);
#endif
for (i = 0; i < drmmode_output->num_props; i++) {
drmModeFreeProperty(drmmode_output->props[i].mode_prop);
free(drmmode_output->props[i].atoms);

3
src/drmmode_display.h
View File

@@ -142,6 +142,9 @@ typedef struct {
drmModeConnectorPtr mode_output;
drmModeEncoderPtr *mode_encoders;
drmModePropertyBlobPtr edid_blob;
#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1, 17, 99, 901, 0)
drmModePropertyBlobPtr tile_blob;
#endif
int dpms_enum_id;
int num_props;
drmmode_prop_ptr props;