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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-07-30 19:26:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-07-30 19:26:49 -0700 |
| commit | 260f6f4fda93c8485c8037865c941b42b9cba5d2 (patch) | |
| tree | 587a0ea46d3351f63250d19860b01da8217ac774 /include/linux/soc | |
| parent | 63eb28bb1402891b1ad2be02a530f29a9dd7f1cd (diff) | |
| parent | 711fa2667d8b230ff31f1855d0f25e3263268d8a (diff) | |
Merge tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel
Pull drm updates from Dave Airlie:
"Highlights:
- Intel xe enable Panthor Lake, started adding WildCat Lake
- amdgpu has a bunch of reset improvments along with the usual IP
updates
- msm got VM_BIND support which is important for vulkan sparse memory
- more drm_panic users
- gpusvm common code to handle a bunch of core SVM work outside
drivers.
Detail summary:
Changes outside drm subdirectory:
- 'shrink_shmem_memory()' for better shmem/hibernate interaction
- Rust support infrastructure:
- make ETIMEDOUT available
- add size constants up to SZ_2G
- add DMA coherent allocation bindings
- mtd driver for Intel GPU non-volatile storage
- i2c designware quirk for Intel xe
core:
- atomic helpers: tune enable/disable sequences
- add task info to wedge API
- refactor EDID quirks
- connector: move HDR sink to drm_display_info
- fourcc: half-float and 32-bit float formats
- mode_config: pass format info to simplify
dma-buf:
- heaps: Give CMA heap a stable name
ci:
- add device tree validation and kunit
displayport:
- change AUX DPCD access probe address
- add quirk for DPCD probe
- add panel replay definitions
- backlight control helpers
fbdev:
- make CONFIG_FIRMWARE_EDID available on all arches
fence:
- fix UAF issues
format-helper:
- improve tests
gpusvm:
- introduce devmem only flag for allocation
- add timeslicing support to GPU SVM
ttm:
- improve eviction
sched:
- tracing improvements
- kunit improvements
- memory leak fixes
- reset handling improvements
color mgmt:
- add hardware gamma LUT handling helpers
bridge:
- add destroy hook
- switch to reference counted drm_bridge allocations
- tc358767: convert to devm_drm_bridge_alloc
- improve CEC handling
panel:
- switch to reference counter drm_panel allocations
- fwnode panel lookup
- Huiling hl055fhv028c support
- Raspberry Pi 7" 720x1280 support
- edp: KDC KD116N3730A05, N160JCE-ELL CMN, N116BCJ-EAK
- simple: AUO P238HAN01
- st7701: Winstar wf40eswaa6mnn0
- visionox: rm69299-shift
- Renesas R61307, Renesas R69328 support
- DJN HX83112B
hdmi:
- add CEC handling
- YUV420 output support
xe:
- WildCat Lake support
- Enable PanthorLake by default
- mark BMG as SRIOV capable
- update firmware recommendations
- Expose media OA units
- aux-bux support for non-volatile memory
- MTD intel-dg driver for non-volatile memory
- Expose fan control and voltage regulator in sysfs
- restructure migration for multi-device
- Restore GuC submit UAF fix
- make GEM shrinker drm managed
- SRIOV VF Post-migration recovery of GGTT nodes
- W/A additions/reworks
- Prefetch support for svm ranges
- Don't allocate managed BO for each policy change
- HWMON fixes for BMG
- Create LRC BO without VM
- PCI ID updates
- make SLPC debugfs files optional
- rework eviction rejection of bound external BOs
- consolidate PAT programming logic for pre/post Xe2
- init changes for flicker-free boot
- Enable GuC Dynamic Inhibit Context switch
i915:
- drm_panic support for i915/xe
- initial flip queue off by default for LNL/PNL
- Wildcat Lake Display support
- Support for DSC fractional link bpp
- Support for simultaneous Panel Replay and Adaptive sync
- Support for PTL+ double buffer LUT
- initial PIPEDMC event handling
- drm_panel_follower support
- DPLL interface renames
- allocate struct intel_display dynamically
- flip queue preperation
- abstract DRAM detection better
- avoid GuC scheduling stalls
- remove DG1 force probe requirement
- fix MEI interrupt handler on RT kernels
- use backlight control helpers for eDP
- more shared display code refactoring
amdgpu:
- add userq slot to INFO ioctl
- SR-IOV hibernation support
- Suspend improvements
- Backlight improvements
- Use scaling for non-native eDP modes
- cleaner shader updates for GC 9.x
- Remove fence slab
- SDMA fw checks for userq support
- RAS updates
- DMCUB updates
- DP tunneling fixes
- Display idle D3 support
- Per queue reset improvements
- initial smartmux support
amdkfd:
- enable KFD on loongarch
- mtype fix for ext coherent system memory
radeon:
- CS validation additional GL extensions
- drop console lock during suspend/resume
- bump driver version
msm:
- VM BIND support
- CI: infrastructure updates
- UBWC single source of truth
- decouple GPU and KMS support
- DP: rework I/O accessors
- DPU: SM8750 support
- DSI: SM8750 support
- GPU: X1-45 support and speedbin support for X1-85
- MDSS: SM8750 support
nova:
- register! macro improvements
- DMA object abstraction
- VBIOS parser + fwsec lookup
- sysmem flush page support
- falcon: generic falcon boot code and HAL
- FWSEC-FRTS: fb setup and load/execute
ivpu:
- Add Wildcat Lake support
- Add turbo flag
ast:
- improve hardware generations implementation
imx:
- IMX8qxq Display Controller support
lima:
- Rockchip RK3528 GPU support
nouveau:
- fence handling cleanup
panfrost:
- MT8370 support
- bo labeling
- 64-bit register access
qaic:
- add RAS support
rockchip:
- convert inno_hdmi to a bridge
rz-du:
- add RZ/V2H(P) support
- MIPI-DSI DCS support
sitronix:
- ST7567 support
sun4i:
- add H616 support
tidss:
- add TI AM62L support
- AM65x OLDI bridge support
bochs:
- drm panic support
vkms:
- YUV and R* format support
- use faux device
vmwgfx:
- fence improvements
hyperv:
- move out of simple
- add drm_panic support"
* tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel: (1479 commits)
drm/tidss: oldi: convert to devm_drm_bridge_alloc() API
drm/tidss: encoder: convert to devm_drm_bridge_alloc()
drm/amdgpu: move reset support type checks into the caller
drm/amdgpu/sdma7: re-emit unprocessed state on ring reset
drm/amdgpu/sdma6: re-emit unprocessed state on ring reset
drm/amdgpu/sdma5.2: re-emit unprocessed state on ring reset
drm/amdgpu/sdma5: re-emit unprocessed state on ring reset
drm/amdgpu/gfx12: re-emit unprocessed state on ring reset
drm/amdgpu/gfx11: re-emit unprocessed state on ring reset
drm/amdgpu/gfx10: re-emit unprocessed state on ring reset
drm/amdgpu/gfx9.4.3: re-emit unprocessed state on kcq reset
drm/amdgpu/gfx9: re-emit unprocessed state on kcq reset
drm/amdgpu: Add WARN_ON to the resource clear function
drm/amd/pm: Use cached metrics data on SMUv13.0.6
drm/amd/pm: Use cached data for min/max clocks
gpu: nova-core: fix bounds check in PmuLookupTableEntry::new
drm/amdgpu: Replace HQD terminology with slots naming
drm/amdgpu: Add user queue instance count in HW IP info
drm/amd/amdgpu: Add helper functions for isp buffers
drm/amd/amdgpu: Initialize swnode for ISP MFD device
...
Diffstat (limited to 'include/linux/soc')
| -rw-r--r-- | include/linux/soc/qcom/ubwc.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/linux/soc/qcom/ubwc.h b/include/linux/soc/qcom/ubwc.h new file mode 100644 index 000000000000..1ed8b1b16bc9 --- /dev/null +++ b/include/linux/soc/qcom/ubwc.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2018, The Linux Foundation + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#ifndef __QCOM_UBWC_H__ +#define __QCOM_UBWC_H__ + +#include <linux/bits.h> +#include <linux/types.h> + +struct qcom_ubwc_cfg_data { + u32 ubwc_enc_version; + /* Can be read from MDSS_BASE + 0x58 */ + u32 ubwc_dec_version; + + /** + * @ubwc_swizzle: Whether to enable level 1, 2 & 3 bank swizzling. + * + * UBWC 1.0 always enables all three levels. + * UBWC 2.0 removes level 1 bank swizzling, leaving levels 2 & 3. + * UBWC 4.0 adds the optional ability to disable levels 2 & 3. + */ + u32 ubwc_swizzle; +#define UBWC_SWIZZLE_ENABLE_LVL1 BIT(0) +#define UBWC_SWIZZLE_ENABLE_LVL2 BIT(1) +#define UBWC_SWIZZLE_ENABLE_LVL3 BIT(2) + + /** + * @highest_bank_bit: Highest Bank Bit + * + * The Highest Bank Bit value represents the bit of the highest + * DDR bank. This should ideally use DRAM type detection. + */ + int highest_bank_bit; + bool ubwc_bank_spread; + + /** + * @macrotile_mode: Macrotile Mode + * + * Whether to use 4-channel macrotiling mode or the newer + * 8-channel macrotiling mode introduced in UBWC 3.1. 0 is + * 4-channel and 1 is 8-channel. + */ + bool macrotile_mode; +}; + +#define UBWC_1_0 0x10000000 +#define UBWC_2_0 0x20000000 +#define UBWC_3_0 0x30000000 +#define UBWC_4_0 0x40000000 +#define UBWC_4_3 0x40030000 +#define UBWC_5_0 0x50000000 + +#if IS_ENABLED(CONFIG_QCOM_UBWC_CONFIG) +const struct qcom_ubwc_cfg_data *qcom_ubwc_config_get_data(void); +#else +static inline const struct qcom_ubwc_cfg_data *qcom_ubwc_config_get_data(void) +{ + return ERR_PTR(-EOPNOTSUPP); +} +#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 & UBWC_SWIZZLE_ENABLE_LVL1)) + pr_err("UBWC config discrepancy - level 1 swizzling disabled on UBWC 1.0\n"); + + return ret; +} + +#endif /* __QCOM_UBWC_H__ */ |
