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@pengutronix.de --- 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: