On Thu, May 07, 2026 at 04:02:56PM +0300, Dmitry Baryshkov wrote: > Currently we store several settings in the configuration database. Some > of them are incorrect or not completely matching the expected > configuration settings. Others are directly derivable from the UBWC > version. Rework how we handle the values in the database, trimming it > down to the UBWC version, HBB and several flags. > > The series includes patches for drm/msm as well as for the soc/qcom. My > suggestion would be to either create an immutable tag for the first > batch of soc/qcom patches, which we can pull into drm/msm or to ack > merging the first patches through drm/msm tree directly. >
You can find the initial UBWC patches at: https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git [email protected] Regards, Bjorn > Signed-off-by: Dmitry Baryshkov <[email protected]> > --- > Changes in v4: > - Rebased on linux-next, dropping merged dependencies. > - Reworked A8xx, simplifying several corner cases. > - Link to v3: > https://lore.kernel.org/r/[email protected] > > Changes in v3: > - Corrected UWBC_STATIC programming for MDSS 5.x platforms (Konrad) > - Switched MDSS 6.x+ to qcom_ubwc_min_acc_length_64b() too > - Added qcom_ubwc_enable_amsbc() helper > - Reworked the DPU handling of UBWC config, making it simpler to handle > minor revisions. > - Removed the comment regarding the best guess for min_acc_length > - Link to v2: > https://lore.kernel.org/r/[email protected] > > Changes in v2: > - Renamed MDSS UBWC programming function to make it more obvious that > they are related to the MDSS revision rather than UBWC version > (Konrad) > - Brought back the patch to use qcom_ubwc_version_tag() in msm_mdss.c, > got lost in rebases (Konrad) > - Link to v1: > https://lore.kernel.org/r/[email protected] > > --- > Dmitry Baryshkov (28): > drm/msm/mdss: correct UBWC programming sequences > soc: qcom: ubwc: define UBWC 3.1 > soc: qcom: ubwc: define helper for MDSS and Adreno drivers > soc: qcom: ubwc: add helper controlling AMSBC enablement > drm/msm/adreno: use qcom_ubwc_version_tag() helper > drm/msm/mdss: use qcom_ubwc_version_tag() helper > drm/msm/adreno: use new helper to set min_acc length > drm/msm/mdss: use new helper to set min_acc length > drm/msm/adreno: use new helper to set macrotile_mode > drm/msm/mdss: use new helper to set macrotile_mode > drm/msm/mdss: use new helper to set UBWC bank spreading > drm/msm/adreno: use new helper to set ubwc_swizzle > drm/msm/dpu: use new helper to set ubwc_swizzle > drm/msm/mdss: use new helper to set ubwc_swizzle > drm/msm/adreno: write reserved UBWC-related bits > drm/msm/adreno: set fp16compoptdis for UBWC 3.0 formats > drm/msm/adreno: use new helper to set amsbc > drm/msm/adreno: use version ranges in A8xx UBWC code > drm/msm/mdss: use new helper to set amsbc > drm/msm/dpu: drop ubwc_dec_version > drm/msm/dpu: invert the order of UBWC checks > soc: qcom: ubwc: set min_acc length to 64 for all UBWC 1.0 targets > soc: qcom: ubwc: drop ubwc_dec_version > soc: qcom: ubwc: drop ubwc_bank_spread > soc: qcom: ubwc: drop macrotile_mode from the database > soc: qcom: ubwc: use fixed values for UBWC swizzle for UBWC < 4.0 > soc: qcom: ubwc: sort out the rest of the UBWC swizzle settings > soc: qcom: ubwc: deduplicate UBWC configuration data > > Konrad Dybcio (1): > drm/msm/adreno: Trust the SSoT UBWC config > > drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 11 +- > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 93 +-------- > drivers/gpu/drm/msm/adreno/a8xx_gpu.c | 50 +++-- > drivers/gpu/drm/msm/adreno/adreno_gpu.c | 4 +- > drivers/gpu/drm/msm/adreno/adreno_gpu.h | 5 - > drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c | 39 ++-- > drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 3 +- > drivers/gpu/drm/msm/msm_mdss.c | 120 ++++-------- > drivers/soc/qcom/ubwc_config.c | 294 > +++++++--------------------- > include/linux/soc/qcom/ubwc.h | 103 ++++++---- > 10 files changed, 235 insertions(+), 487 deletions(-) > --- > base-commit: 735d2f48cadaa9a87e7c7601667878de70c771c5 > change-id: 20260211-ubwc-rework-e6ce1d8eb520 > prerequisite-patch-id: 5bc7dddd09fcdb4f534f8468ab3ad51781667066 > > Best regards, > -- > With best wishes > Dmitry >
