From: Loic Poulain loic.poulain@linaro.org
[ Upstream commit c690435ed07901737e5c007a65ec59f53b33eb71 ]
In downstream driver, there are two frequency tables defined, one for the encoder and one for the decoder:
/* Encoders / <972000 490000000 0x55555555>, / 4k UHD @ 30 / <489600 320000000 0x55555555>, / 1080p @ 60 / <244800 150000000 0x55555555>, / 1080p @ 30 / <108000 75000000 0x55555555>, / 720p @ 30 */
/* Decoders / <1944000 490000000 0xffffffff>, / 4k UHD @ 60 / < 972000 320000000 0xffffffff>, / 4k UHD @ 30 / < 489600 150000000 0xffffffff>, / 1080p @ 60 / < 244800 75000000 0xffffffff>; / 1080p @ 30 */
It shows that encoder always needs a higher clock than decoder.
In current venus driver, the unified frequency table is aligned with the downstream decoder table which causes performance issues in encoding scenarios. Fix that by aligning frequency table on worst case (encoding).
Signed-off-by: Loic Poulain loic.poulain@linaro.org Signed-off-by: Stanimir Varbanov stanimir.varbanov@linaro.org Signed-off-by: Mauro Carvalho Chehab mchehab+samsung@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/media/platform/qcom/venus/core.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 5b8350e..6006986 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -430,10 +430,11 @@ static __maybe_unused int venus_runtime_resume(struct device *dev) };
static const struct freq_tbl msm8996_freq_table[] = { - { 1944000, 490000000 }, /* 4k UHD @ 60 */ - { 972000, 320000000 }, /* 4k UHD @ 30 */ - { 489600, 150000000 }, /* 1080p @ 60 */ - { 244800, 75000000 }, /* 1080p @ 30 */ + { 1944000, 520000000 }, /* 4k UHD @ 60 (decode only) */ + { 972000, 520000000 }, /* 4k UHD @ 30 */ + { 489600, 346666667 }, /* 1080p @ 60 */ + { 244800, 150000000 }, /* 1080p @ 30 */ + { 108000, 75000000 }, /* 720p @ 30 */ };
static const struct reg_val msm8996_reg_preset[] = {