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Subject[PATCH 5/6] drm/etnaviv: update hwdb selection logic
Date
Take product id, customer id and eco id into account. If that
delivers no match try a search for model and revision.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
---
drivers/gpu/drm/etnaviv/etnaviv_hwdb.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
index eb0f3eb87ced..d1744f1b44b1 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
@@ -44,9 +44,26 @@ bool etnaviv_fill_identity_from_hwdb(struct etnaviv_gpu *gpu)
struct etnaviv_chip_identity *ident = &gpu->identity;
int i;

+ /* accurate match */
for (i = 0; i < ARRAY_SIZE(etnaviv_chip_identities); i++) {
if (etnaviv_chip_identities[i].model == ident->model &&
- etnaviv_chip_identities[i].revision == ident->revision) {
+ etnaviv_chip_identities[i].revision == ident->revision &&
+ etnaviv_chip_identities[i].product_id == ident->product_id &&
+ etnaviv_chip_identities[i].customer_id == ident->customer_id &&
+ etnaviv_chip_identities[i].eco_id == ident->eco_id) {
+ memcpy(ident, &etnaviv_chip_identities[i],
+ sizeof(*ident));
+ return true;
+ }
+ }
+
+ /* match based only on model and revision */
+ for (i = 0; i < ARRAY_SIZE(etnaviv_chip_identities); i++) {
+ if (etnaviv_chip_identities[i].model == ident->model &&
+ etnaviv_chip_identities[i].revision == ident->revision &&
+ etnaviv_chip_identities[i].product_id == ~0U &&
+ etnaviv_chip_identities[i].customer_id == ~0U &&
+ etnaviv_chip_identities[i].eco_id == ~0U) {
memcpy(ident, &etnaviv_chip_identities[i],
sizeof(*ident));
return true;
--
2.24.1
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