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authorLinus Torvalds <torvalds@linux-foundation.org>2019-12-06 10:28:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-12-06 10:28:09 -0800
commit7ada90eb9c7ae4a8eb066f8e9b4d80122f0363db (patch)
treefbc06c7dacd988b6bed69b509ceef7cd41d743ac /Documentation
parent9feb1af97e7366b512ecb9e4dd61d3252074cda3 (diff)
parent9c1867d730a6e1dc23dd633392d102860578c047 (diff)
downloadlwn-7ada90eb9c7ae4a8eb066f8e9b4d80122f0363db.tar.gz
lwn-7ada90eb9c7ae4a8eb066f8e9b4d80122f0363db.zip
Merge tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm
Pull more drm updates from Dave Airlie: "Rob pointed out I missed his pull request for msm-next, it's been in next for a while outside of my tree so shouldn't cause any unexpected issues, it has some OCMEM support in drivers/soc that is acked by other maintainers as it's outside my tree. Otherwise it's a usual fixes pull, i915, amdgpu, the main ones, with some tegra, omap, mgag200 and one core fix. Summary: msm-next: - OCMEM support for a3xx and a4xx GPUs. - a510 support + display support core: - mst payload deletion fix i915: - uapi alignment fix - fix for power usage regression due to security fixes - change default preemption timeout to 640ms from 100ms - EHL voltage level display fixes - TGL DGL PHY fix - gvt - MI_ATOMIC cmd parser fix, CFL non-priv warning - CI spotted deadlock fix - EHL port D programming fix amdgpu: - VRAM lost fixes on BACO for CI/VI - navi14 DC fixes - misc SR-IOV, gfx10 fixes - XGMI fixes for arcturus - SRIOV fixes amdkfd: - KFD on ppc64le enabled - page table optimisations radeon: - fix for r1xx/2xx register checker. tegra: - displayport regression fixes - DMA API regression fixes mgag200: - fix devices that can't scanout except at 0 addr omap: - fix dma_addr refcounting" * tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm: (100 commits) drm/dp_mst: Correct the bug in drm_dp_update_payload_part1() drm/omap: fix dma_addr refcounting drm/tegra: Run hub cleanup on ->remove() drm/tegra: sor: Make the +5V HDMI supply optional drm/tegra: Silence expected errors on IOMMU attach drm/tegra: vic: Export module device table drm/tegra: sor: Implement system suspend/resume drm/tegra: Use proper IOVA address for cursor image drm/tegra: gem: Remove premature import restrictions drm/tegra: gem: Properly pin imported buffers drm/tegra: hub: Remove bogus connection mutex check ia64: agp: Replace empty define with do while agp: Add bridge parameter documentation agp: remove unused variable num_segments agp: move AGPGART_MINOR to include/linux/miscdevice.h agp: remove unused variable size in agp_generic_create_gatt_table drm/dp_mst: Fix build on systems with STACKTRACE_SUPPORT=n drm/radeon: fix r1xx/r2xx register checker for POT textures drm/amdgpu: fix GFX10 missing CSIB set(v3) drm/amdgpu: should stop GFX ring in hw_fini ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/display/msm/gmu.txt51
-rw-r--r--Documentation/devicetree/bindings/display/msm/mdp5.txt2
-rw-r--r--Documentation/devicetree/bindings/sram/qcom,ocmem.yaml96
3 files changed, 149 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/msm/gmu.txt b/Documentation/devicetree/bindings/display/msm/gmu.txt
index 90af5b0a56a9..bf9c7a2a495c 100644
--- a/Documentation/devicetree/bindings/display/msm/gmu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gmu.txt
@@ -31,6 +31,10 @@ Required properties:
- iommus: phandle to the adreno iommu
- operating-points-v2: phandle to the OPP operating points
+Optional properties:
+- sram: phandle to the On Chip Memory (OCMEM) that's present on some Snapdragon
+ SoCs. See Documentation/devicetree/bindings/sram/qcom,ocmem.yaml.
+
Example:
/ {
@@ -63,3 +67,50 @@ Example:
operating-points-v2 = <&gmu_opp_table>;
};
};
+
+a3xx example with OCMEM support:
+
+/ {
+ ...
+
+ gpu: adreno@fdb00000 {
+ compatible = "qcom,adreno-330.2",
+ "qcom,adreno";
+ reg = <0xfdb00000 0x10000>;
+ reg-names = "kgsl_3d0_reg_memory";
+ interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "kgsl_3d0_irq";
+ clock-names = "core",
+ "iface",
+ "mem_iface";
+ clocks = <&mmcc OXILI_GFX3D_CLK>,
+ <&mmcc OXILICX_AHB_CLK>,
+ <&mmcc OXILICX_AXI_CLK>;
+ sram = <&gmu_sram>;
+ power-domains = <&mmcc OXILICX_GDSC>;
+ operating-points-v2 = <&gpu_opp_table>;
+ iommus = <&gpu_iommu 0>;
+ };
+
+ ocmem@fdd00000 {
+ compatible = "qcom,msm8974-ocmem";
+
+ reg = <0xfdd00000 0x2000>,
+ <0xfec00000 0x180000>;
+ reg-names = "ctrl",
+ "mem";
+
+ clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>,
+ <&mmcc OCMEMCX_OCMEMNOC_CLK>;
+ clock-names = "core",
+ "iface";
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ gmu_sram: gmu-sram@0 {
+ reg = <0x0 0x100000>;
+ ranges = <0 0 0xfec00000 0x100000>;
+ };
+ };
+};
diff --git a/Documentation/devicetree/bindings/display/msm/mdp5.txt b/Documentation/devicetree/bindings/display/msm/mdp5.txt
index 4e11338548aa..43d11279c925 100644
--- a/Documentation/devicetree/bindings/display/msm/mdp5.txt
+++ b/Documentation/devicetree/bindings/display/msm/mdp5.txt
@@ -76,6 +76,8 @@ Required properties:
Optional properties:
- clock-names: the following clocks are optional:
* "lut"
+ * "tbu"
+ * "tbu_rt"
Example:
diff --git a/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml b/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
new file mode 100644
index 000000000000..222990f9923c
--- /dev/null
+++ b/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sram/qcom,ocmem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: On Chip Memory (OCMEM) that is present on some Qualcomm Snapdragon SoCs.
+
+maintainers:
+ - Brian Masney <masneyb@onstation.org>
+
+description: |
+ The On Chip Memory (OCMEM) is typically used by the GPU, camera/video, and
+ audio components on some Snapdragon SoCs.
+
+properties:
+ compatible:
+ const: qcom,msm8974-ocmem
+
+ reg:
+ items:
+ - description: Control registers
+ - description: OCMEM address range
+
+ reg-names:
+ items:
+ - const: ctrl
+ - const: mem
+
+ clocks:
+ items:
+ - description: Core clock
+ - description: Interface clock
+
+ clock-names:
+ items:
+ - const: core
+ - const: iface
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - '#address-cells'
+ - '#size-cells'
+
+patternProperties:
+ "^.+-sram$":
+ type: object
+ description: A region of reserved memory.
+
+ properties:
+ reg:
+ maxItems: 1
+
+ ranges:
+ maxItems: 1
+
+ required:
+ - reg
+ - ranges
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,rpmcc.h>
+ #include <dt-bindings/clock/qcom,mmcc-msm8974.h>
+
+ ocmem: ocmem@fdd00000 {
+ compatible = "qcom,msm8974-ocmem";
+
+ reg = <0xfdd00000 0x2000>,
+ <0xfec00000 0x180000>;
+ reg-names = "ctrl",
+ "mem";
+
+ clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>,
+ <&mmcc OCMEMCX_OCMEMNOC_CLK>;
+ clock-names = "core",
+ "iface";
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ gmu-sram@0 {
+ reg = <0x0 0x100000>;
+ ranges = <0 0 0xfec00000 0x100000>;
+ };
+ };