On 24.07.2014 20:15, Lars E. Pettersson wrote:
On 07/24/14 15:52, poma wrote:
...
"drm/nouveau/therm: let the vbios decide on the automatic fan management
mode"
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/drivers/gpu/drm/nouveau/core/subdev/therm/fan.c?h=linux-3.15.y&id=0e994d6
This should fix automatic fan management on fermi cards who do not
have 0x46 entries in the thermal table.
On my nve6, the blob sets the default linear range from 40°C to 100°C
but my nvcf's default values are 40°C to 85°C.
Let's keep 85 as a default for everyone.
I really must say that I do not understand why this change was made.
Obviously it breaks the fan management for some (me included). Did it
solve it for others? And what is 0x46 entries?
You can directly ask the developers, right.
Developers, developers, developers! :)
$ grep -R -w 0x46 drivers/gpu/drm/nouveau/
drivers/gpu/drm/nouveau/nouveau_connector.c: nv_device(drm->device)->chipset >= 0x46)
drivers/gpu/drm/nouveau/core/engine/device/nv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c: if (device->chipset == 0x46 || device->chipset == 0x47 ||
drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c: if (device->chipset == 0x46)
drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/engine/graph/nv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/engine/graph/nv40.c: case 0x46: /* G72 */
drivers/gpu/drm/nouveau/core/engine/graph/nv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c: case 0x46:
drivers/gpu/drm/nouveau/core/subdev/fb/nv46.c: .base.base.handle = NV_SUBDEV(FB, 0x46),
drivers/gpu/drm/nouveau/core/subdev/i2c/anx9805.c: while (nv_rdi2cr(mast, port->addr, 0x46) & 0x10) {
drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c: 0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0x46, 0xff, /* 0x40 */
drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c: 0xff, 0x46, 0x46, 0x46, 0x46, 0xff, 0xff, 0xff, /* 0x50 */
drivers/gpu/drm/nouveau/core/subdev/bios/pll.c: * maxN2 (0x46) and 10 * maxM2 (0x4), so set maxN2 to 0x28 and
drivers/gpu/drm/nouveau/core/subdev/bios/therm.c: case 0x46:
drivers/gpu/drm/nouveau/core/include/subdev/bios/conn.h: DCB_CONNECTOR_DP = 0x46,
drivers/gpu/drm/nouveau/dispnv04/nvreg.h:# define NV_CIO_CRE_RCR 0x46
drivers/gpu/drm/nouveau/dispnv04/tvmodesnv17.c: 0x21, 0xf6, 0x94, 0x46, 0x0, 0x0, 0xb, 0x18,
Perhaps this one is related to this topic? :)
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c#n199
This is my card (a Quadro 2000):
01:00.0 VGA compatible controller: NVIDIA Corporation GF106GL [Quadro
2000] (rev a1) (prog-if 00 [VGA controller])
Subsystem: NVIDIA Corporation Device 084a
Flags: bus master, fast devsel, latency 0, IRQ 45
Memory at f4000000 (32-bit, non-prefetchable) [size=32M]
Memory at e0000000 (64-bit, prefetchable) [size=128M]
Memory at e8000000 (64-bit, prefetchable) [size=64M]
I/O ports at e000 [size=128]
Expansion ROM at f6000000 [disabled] [size=512K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [b4] Vendor Specific Information: Len=14 <?>
Capabilities: [100] Virtual Channel
Capabilities: [128] Power Budgeting <?>
Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
Kernel driver in use: nouveau
Kernel modules: nouveau
NVC0 family (Fermi)
NVC3 (GF106) GeForce GT (440, 445M, 545, 555M, 630M, 635M), GTS
450, GTX 460M, Quadro 2000 (D), 2000M
Lars
developers fan club
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