diff options
| author | Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> | 2025-06-26 12:02:34 +0300 |
|---|---|---|
| committer | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-07-05 03:48:40 +0300 |
| commit | 87cfc79dcd605056247c62d65ea41ce6c65cdbe3 (patch) | |
| tree | cb96eb04d93ccd1dfcbe4d9884d61e9ebc83c4bc /include/linux | |
| parent | 32ef24e51f7ff4dd5eaeb3e0f06f0ad36143bdc6 (diff) | |
| download | linux-87cfc79dcd605056247c62d65ea41ce6c65cdbe3.tar.xz | |
drm/msm/a6xx: Resolve the meaning of UBWC_MODE
This bit is set iff the UBWC version is 1.0. That notably does not
include QCM2290's "no UBWC".
This commit is intentionally cross-subsystem to ease review, as the
patchset is intended to be merged together, with a maintainer
consensus.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/660971/
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/soc/qcom/ubwc.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/soc/qcom/ubwc.h b/include/linux/soc/qcom/ubwc.h index d65df559603d..f0334f4ece20 100644 --- a/include/linux/soc/qcom/ubwc.h +++ b/include/linux/soc/qcom/ubwc.h @@ -62,4 +62,14 @@ static inline const struct qcom_ubwc_cfg_data *qcom_ubwc_config_get_data(void) } #endif +static inline bool qcom_ubwc_get_ubwc_mode(const struct qcom_ubwc_cfg_data *cfg) +{ + bool ret = cfg->ubwc_enc_version == UBWC_1_0; + + if (ret && !(cfg->ubwc_swizzle & BIT(0))) + pr_err("UBWC config discrepancy - level 1 swizzling disabled on UBWC 1.0\n"); + + return ret; +} + #endif /* __QCOM_UBWC_H__ */ |