These two GPUs seems to be in the transition state between two
generations and report a wrong instuction count. Fix it up in the
kernel like the Vivante driver does.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
drivers/staging/etnaviv/etnaviv_gpu.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/etnaviv/etnaviv_gpu.c b/drivers/staging/etnaviv/etnaviv_gpu.c
index 973b00346c7f..810a9ec04aea 100644
--- a/drivers/staging/etnaviv/etnaviv_gpu.c
+++ b/drivers/staging/etnaviv/etnaviv_gpu.c
@@ -166,7 +166,12 @@ static void etnaviv_hw_specs(struct etnaviv_gpu *gpu)
switch (gpu->identity.instruction_count) {
case 0:
- gpu->identity.instruction_count = 256;
+ if ((gpu->identity.model == 0x2000 &&
+ gpu->identity.revision == 0x5108) ||
+ gpu->identity.model == 0x880)
+ gpu->identity.instruction_count = 512;
+ else
+ gpu->identity.instruction_count = 256;
break;
case 1:
--
2.1.4
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