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disp: rotator: add ubwc plane atomic check in rotator

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In some targets with offline rotator, ubwc might not be
supported. For those cases, this change adds ubwc
verification for plane during atomic check to prevent
crash.

Change-Id: Ie24a7ba823773204062993996746aa08171fe90f
Signed-off-by: Yashwanth <yvulapu@codeaurora.org>
This commit is contained in:
Yashwanth 2020-09-07 21:35:17 +05:30
parent 8510269a39
commit f4ce8b66ce
1 changed files with 18 additions and 3 deletions
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21
rotator/sde_rotator_core.c
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@ -69,6 +69,10 @@
#define BUS_VOTE_19_MHZ 153600000
#define ROT_HAS_UBWC(caps) (test_bit(SDE_CAPS_UBWC_2, caps) ||\
test_bit(SDE_CAPS_UBWC_3, caps) ||\
test_bit(SDE_CAPS_UBWC_4, caps))
/* forward prototype */
static int sde_rotator_update_perf(struct sde_rot_mgr *mgr);
@ -1989,14 +1993,25 @@ static int sde_rotator_validate_img_roi(struct sde_rotation_item *item)
static int sde_rotator_validate_fmt_and_item_flags(
struct sde_rotation_config *config, struct sde_rotation_item *item)
{
struct sde_mdp_format_params *fmt;
struct sde_mdp_format_params *in_fmt, *out_fmt;
struct sde_rot_data_type *mdata = sde_rot_get_mdata();
bool has_ubwc;
fmt = sde_get_format_params(item->input.format);
in_fmt = sde_get_format_params(item->input.format);
out_fmt = sde_get_format_params(item->output.format);
if ((item->flags & SDE_ROTATION_DEINTERLACE) &&
sde_mdp_is_ubwc_format(fmt)) {
sde_mdp_is_ubwc_format(in_fmt)) {
SDEROT_DBG("cannot perform deinterlace on tiled formats\n");
return -EINVAL;
}
has_ubwc = ROT_HAS_UBWC(mdata->sde_caps_map);
if (!has_ubwc && (sde_mdp_is_ubwc_format(in_fmt) ||
sde_mdp_is_ubwc_format(out_fmt))) {
SDEROT_ERR("ubwc format is not supported\n");
return -EINVAL;
}
return 0;
}