Commit Graph

5750 Commits

Author SHA1 Message Date
Ben Skeggs
7ddf5e9597 drm/nouveau/devinit/ga10[024]: initial support
VPLL regs changed a bit.  There's more stuff to do around these, but it's
less invasive to stick those changes into disp for now.

None of that belongs here anymore anyhow - fix that someday.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:19 +10:00
Ben Skeggs
a34632482f drm/nouveau/bios/ga10[024]: initial support
Forcing PRAMIN-shadowing off for GA100, as it requires display, and we don't
know if/where the fuse register for detecting its presence is.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:19 +10:00
Ben Skeggs
70afbe4bdc drm/nouveau/pci/ga10[024]: initial support
Appears to be compatible with GP100 code.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:18 +10:00
Ben Skeggs
3b050680c8 drm/nouveau/core: recognise GA10[024]
GA100 hidden behind a module option, as it's not been as well verified
since initial bring-up and may need additional changes.

There's no display anyway, so this can wait for a bit.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:17 +10:00
Ben Skeggs
caeb6ab899 drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
VRAM offset 0 is a valid address, triggered on GA102.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:17 +10:00
Ben Skeggs
add42781ad drm/nouveau/mmu: fix vram heap sizing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:17 +10:00
Ben Skeggs
ba6e9ab0fc drm/nouveau/i2c/gm200: increase width of aux semaphore owner fields
Noticed while debugging GA102.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:16 +10:00
Ben Skeggs
8ad95edc39 drm/nouveau/i2c/gk110-: disable hw-initiated dpcd reads
RM does this around transactions, and it seemed to help while debugging
AUXCH issues on GA102.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:16 +10:00
Ben Skeggs
b5510d1e21 drm/nouveau/i2c/gk110: split out from i2c/gk104
No functional changes here yet.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:15 +10:00
Ben Skeggs
e05e06cd34 drm/nouveau/privring: ack interrupts the same way as RM
Whatever it is that we were doing before doesn't work on Ampere.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:15 +10:00
Ben Skeggs
402a89660e drm/nouveau/bios: fix issue shadowing expansion ROMs
This issue has generally been covered up by the presence of additional
expansion ROMs after the ones we're interested in, with header fetches
of subsequent images loading enough of the ROM to hide the issue.

Noticed on GA102, which lacks a type 0x70 image compared to TU102,.

[  906.364197] nouveau 0000:09:00.0: bios: 00000000: type 00, 65024 bytes
[  906.381205] nouveau 0000:09:00.0: bios: 0000fe00: type 03, 91648 bytes
[  906.405213] nouveau 0000:09:00.0: bios: 00026400: type e0, 22016 bytes
[  906.410984] nouveau 0000:09:00.0: bios: 0002ba00: type e0, 366080 bytes

vs

[   22.961901] nouveau 0000:09:00.0: bios: 00000000: type 00, 60416 bytes
[   22.984174] nouveau 0000:09:00.0: bios: 0000ec00: type 03, 71168 bytes
[   23.010446] nouveau 0000:09:00.0: bios: 00020200: type e0, 48128 bytes
[   23.028220] nouveau 0000:09:00.0: bios: 0002be00: type e0, 140800 bytes
[   23.080196] nouveau 0000:09:00.0: bios: 0004e400: type 70, 7168 bytes

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2021-01-15 10:25:14 +10:00
Dave Airlie
660a59953f drm/nouveau: fix multihop when move doesn't work.
As per the radeon/amdgpu fix don't use multihop if hw moves
aren't enabled.

Reported-by: Mike Galbraith <efault@gmx.de>
Tested-by: Mike Galbraith <efault@gmx.de>
Fixes: 0c8c0659d7 ("drm/nouveau/ttm: use multihop")
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201217200943.30511-1-airlied@gmail.com
2020-12-18 15:14:03 +01:00
Daniel Vetter
5fbd41d3bf drm-misc-next for 5.11:
UAPI Changes:
 
 Cross-subsystem Changes:
 
  * char/agp: Disable frontend without CONFIG_DRM_LEGACY
  * mm: Fix fput in mmap error path; Introduce vma_set_file() to change
    vma->vm_file
 
 Core Changes:
 
  * dma-buf: Use sgtables in system heap; Move heap helpers to CMA-heap code;
    Skip sync for unmapped buffers; Alloc higher order pages is available;
    Respect num_fences when initializing shared fence list
  * doc: Improvements around DRM modes and SCALING_FILTER
  * Pass full state to connector atomic functions + callee updates
  * Cleanups
  * shmem: Map pages with caching by default; Cleanups
  * ttm: Fix DMA32 for global page pool
  * fbdev: Cleanups
  * fb-helper: Update framebuffer after userspace writes; Unmap console buffer
    during shutdown; Rework damage handling of shadow framebuffer
 
 Driver Changes:
 
  * amdgpu: Multi-hop fixes, Clenaups
  * imx: Fix rotation for Vivante tiled formats; Support nearest-neighour
    skaling; Cleanups
  * mcde: Fix RGB formats; Support DPI output; Cleanups
  * meson: HDMI clock fixes
  * panel: Add driver and bindings for Innolux N125HCE-GN1
  * panel/s6e63m0: More backlight levels; Fix init; Cleanups
  * via: Clenunps
  * virtio: Use fence ID for handling fences; Cleanups
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Merge tag 'drm-misc-next-2020-11-27-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.11:

UAPI Changes:

Cross-subsystem Changes:

 * char/agp: Disable frontend without CONFIG_DRM_LEGACY
 * mm: Fix fput in mmap error path; Introduce vma_set_file() to change
   vma->vm_file

Core Changes:

 * dma-buf: Use sgtables in system heap; Move heap helpers to CMA-heap code;
   Skip sync for unmapped buffers; Alloc higher order pages is available;
   Respect num_fences when initializing shared fence list
 * doc: Improvements around DRM modes and SCALING_FILTER
 * Pass full state to connector atomic functions + callee updates
 * Cleanups
 * shmem: Map pages with caching by default; Cleanups
 * ttm: Fix DMA32 for global page pool
 * fbdev: Cleanups
 * fb-helper: Update framebuffer after userspace writes; Unmap console buffer
   during shutdown; Rework damage handling of shadow framebuffer

Driver Changes:

 * amdgpu: Multi-hop fixes, Clenaups
 * imx: Fix rotation for Vivante tiled formats; Support nearest-neighour
   skaling; Cleanups
 * mcde: Fix RGB formats; Support DPI output; Cleanups
 * meson: HDMI clock fixes
 * panel: Add driver and bindings for Innolux N125HCE-GN1
 * panel/s6e63m0: More backlight levels; Fix init; Cleanups
 * via: Clenunps
 * virtio: Use fence ID for handling fences; Cleanups

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201127083055.GA29139@linux-uq9g
2020-12-15 10:21:48 +01:00
Linus Torvalds
1d36dffa5d drm for 5.11-rc1
core:
 - documentation updates
 - deprecate DRM_FORMAT_MOD_NONE
 - atomic crtc enable/disable rework
 - GEM convert drivers to gem object functions
 - remove SCATTER_LIST_MAX_SEGMENT
 
 sched:
 - avoid infinite waits
 
 ttm:
 - remove AGP support
 - don't modify caching for swapout
 - ttm pinning rework
 - major TTM reworks
 - new backend allocator
 - multihop support
 
 vram-helper:
 - top down BO placement fix
 - TTM changes
 - GEM object support
 
 displayport:
 - DP 2.0 DPCD prep work
 - DP MST extended DPCD caps
 
 fbdev:
 - mark as orphaned
 
 amdgpu:
 - Initial Vangogh support
 - Green Sardine support
 - Dimgrey Cavefish support
 - SG display support for renoir
 - SMU7 improvements
 - gfx9+ modiifier support
 - CI BACO fixes
 
 radeon:
 - expose voltage via hwmon on SUMO
 
 amdkfd:
 - fix unique id handling
 
 i915:
 - more DG1 enablement
 - bigjoiner support
 - integer scaling filter support
 - async flip support
 - ICL+ DSI command mode
 - Improve display shutdown
 - Display refactoring
 - eLLC machine fbdev loading fix
 - dma scatterlist fixes
 - TGL hang fixes
 - eLLC display buffer caching on SKL+
 - MOCS PTE seeting for gen9+
 
 msm:
 - Shutdown hook
 - GPU cooling device support
 - DSI 7nm and 10nm phy/pll updates
 - sm8150/sm2850 DPU support
 - GEM locking re-work
 - LLCC system cache support
 
 aspeed:
 - sysfs output config support
 
 ast:
 - LUT fix
 - new display mode
 
 gma500:
 - remove 2d framebuffer accel
 
 panfrost:
 - move gpu reset to a worker
 
 exynos:
 - new HDMI mode support
 
 mediatek:
 - MT8167 support
 - yaml bindings
 - MIPI DSI phy code moved
 
 etnaviv:
 - new perf counter
 - more lockdep annotation
 
 hibmc:
 - i2c DDC support
 
 ingenic:
 - pixel clock reset fix
 - reserved memory support
 - allow both DMA channels at once
 - different pixel format support
 - 30/24/8-bit palette modes
 
 tilcdc:
 - don't keep vblank irq enabled
 
 vc4:
 - new maintainer added
 - DSI registration fix
 
 virtio:
 - blob resource support
 - host visible and cross-device support
 - uuid api support
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Merge tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Not a huge amount of big things here, AMD has support for a few new HW
  variants (vangogh, green sardine, dimgrey cavefish), Intel has some
  more DG1 enablement. We have a few big reworks of the TTM layers and
  interfaces, GEM and atomic internal API reworks cross tree. fbdev is
  marked orphaned in here as well to reflect the current reality.

  core:
   - documentation updates
   - deprecate DRM_FORMAT_MOD_NONE
   - atomic crtc enable/disable rework
   - GEM convert drivers to gem object functions
   - remove SCATTER_LIST_MAX_SEGMENT

  sched:
   - avoid infinite waits

  ttm:
   - remove AGP support
   - don't modify caching for swapout
   - ttm pinning rework
   - major TTM reworks
   - new backend allocator
   - multihop support

  vram-helper:
   - top down BO placement fix
   - TTM changes
   - GEM object support

  displayport:
   - DP 2.0 DPCD prep work
   - DP MST extended DPCD caps

  fbdev:
   - mark as orphaned

  amdgpu:
   - Initial Vangogh support
   - Green Sardine support
   - Dimgrey Cavefish support
   - SG display support for renoir
   - SMU7 improvements
   - gfx9+ modiifier support
   - CI BACO fixes

  radeon:
   - expose voltage via hwmon on SUMO

  amdkfd:
   - fix unique id handling

  i915:
   - more DG1 enablement
   - bigjoiner support
   - integer scaling filter support
   - async flip support
   - ICL+ DSI command mode
   - Improve display shutdown
   - Display refactoring
   - eLLC machine fbdev loading fix
   - dma scatterlist fixes
   - TGL hang fixes
   - eLLC display buffer caching on SKL+
   - MOCS PTE seeting for gen9+

  msm:
   - Shutdown hook
   - GPU cooling device support
   - DSI 7nm and 10nm phy/pll updates
   - sm8150/sm2850 DPU support
   - GEM locking re-work
   - LLCC system cache support

  aspeed:
   - sysfs output config support

  ast:
   - LUT fix
   - new display mode

  gma500:
   - remove 2d framebuffer accel

  panfrost:
   - move gpu reset to a worker

  exynos:
   - new HDMI mode support

  mediatek:
   - MT8167 support
   - yaml bindings
   - MIPI DSI phy code moved

  etnaviv:
   - new perf counter
   - more lockdep annotation

  hibmc:
   - i2c DDC support

  ingenic:
   - pixel clock reset fix
   - reserved memory support
   - allow both DMA channels at once
   - different pixel format support
   - 30/24/8-bit palette modes

  tilcdc:
   - don't keep vblank irq enabled

  vc4:
   - new maintainer added
   - DSI registration fix

  virtio:
   - blob resource support
   - host visible and cross-device support
   - uuid api support"

* tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm: (1754 commits)
  drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs
  drm/amdgpu: fix size calculation with stolen vga memory
  drm/amdgpu: remove amdgpu_ttm_late_init  and amdgpu_bo_late_init
  drm/amdgpu: free the pre-OS console framebuffer after the first modeset
  drm/amdgpu: enable runtime pm using BACO on CI dGPUs
  drm/amdgpu/cik: enable BACO reset on Bonaire
  drm/amd/pm: update smu10.h WORKLOAD_PPLIB setting for raven
  drm/amd/pm: remove one unsupported smu function for vangogh
  drm/amd/display: setup system context for APUs
  drm/amd/display: add S/G support for Vangogh
  drm/amdkfd: Fix leak in dmabuf import
  drm/amdgpu: use AMDGPU_NUM_VMID when possible
  drm/amdgpu: fix sdma instance fw version and feature version init
  drm/amd/pm: update driver if version for dimgrey_cavefish
  drm/amd/display: 3.2.115
  drm/amd/display: [FW Promotion] Release 0.0.45
  drm/amd/display: Revert DCN2.1 dram_clock_change_latency update
  drm/amd/display: Enable gpu_vm_support for dcn3.01
  drm/amd/display: Fixed the audio noise during mode switching with HDCP mode on
  drm/amd/display: Add wm table for Renoir
  ...
2020-12-14 11:07:56 -08:00
Dave Airlie
de9b485d1d One bridge fix for OMAP, one for a race condition in a panel, two for
uninitialized variables in rockchip and nouveau, and two fixes for mxsfb
 to fix a regression with modifiers and a fix for a fence synchronization
 issue.
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Merge tag 'drm-misc-fixes-2020-12-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

One bridge fix for OMAP, one for a race condition in a panel, two for
uninitialized variables in rockchip and nouveau, and two fixes for mxsfb
to fix a regression with modifiers and a fix for a fence synchronization
issue.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201203125943.h2ft2xoywunt5orl@gilmour
2020-12-04 11:53:50 +10:00
Dave Airlie
9595930db4 A bunch of fixes for vc4 fixing some coexistence issue between wifi and
HDMI, unsupported modes, and vblank timeouts, a fix for ast to reload
 the gamma LUT after changing the plane format and a double-free fix for
 nouveau
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Merge tag 'drm-misc-fixes-2020-11-26' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-fixes

A bunch of fixes for vc4 fixing some coexistence issue between wifi and
HDMI, unsupported modes, and vblank timeouts, a fix for ast to reload
the gamma LUT after changing the plane format and a double-free fix for
nouveau

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201126085450.r3i7wvj7pizsa4l6@gilmour
2020-11-27 09:39:51 +10:00
Dave Airlie
22f8c80566 drm-misc-next for 5.11:
UAPI Changes:
 
  * media: Add MEDIA_BUS_FMT_RGB888_3X8_DELTA format
 
 Cross-subsystem Changes:
 
  * console: Remove unused functions; Store characters-per-font in font-
    descriptor structure instead of hard-coding
  * DT: Add vendor prefix for ShenZhen Asia Better Technology Ltd. (ABT)
 
 Core Changes:
 
  * Fix build warnings
  * Update debug logging to new interfaces, plus fixes
  * Add error messages for ioctls;
  * Fix kernel docs
  * doc: Fix kernel docs
  * fbcon: Remove accelerated scrolling
  * selftests: Fix build warnings
  * ttm: Fix missing NULL check in new page pool; Fix build warnings
  * video: Fix kernel docs
 
 Driver Changes:
 
  * armada: Fix build warnings
  * atmel-hlcdc: Fix build warnings
  * exynos: Fix build warnings
  * gma500: Remove 2d framebuffer acceleration
  * lima: Fix build warnings; Cleanups
  * mediatek: Fix build warnings
  * meson: Module removal fixes; Fix build warnings
  * nouveau: Fix build warnings
  * omap: Fix return values
  * panel: Fix build warnings; Add support and DT bindings for OnePlus 6/T; Add
    support and DT bindings for ABT Y030XX067A
  * panel/s6e63m0: Add/improve SPi reading/writing; Support 3WIRE protocol; Set
    connector display info; Add more comments
  * panfrost: Move GPU reset into separate worker, avoid race conditions
  * pl111: Fix build warnings
  * qxl: Cleanup fbcon acceleration
  * rockchip: Fix build warnings
  * savage: Fix build warnings
  * sti: Fix build warnings
  * udl: Fix missing error code in udl_handle_damage()
  * v3d: Fix build warnings
  * vc4: Fix build warnings
  * via: Fix build warnings
  * virtio: Make dma-buf ops static
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Merge tag 'drm-misc-next-2020-11-18' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-next

drm-misc-next for 5.11:

UAPI Changes:

 * media: Add MEDIA_BUS_FMT_RGB888_3X8_DELTA format

Cross-subsystem Changes:

 * console: Remove unused functions; Store characters-per-font in font-
   descriptor structure instead of hard-coding
 * DT: Add vendor prefix for ShenZhen Asia Better Technology Ltd. (ABT)

Core Changes:

 * Fix build warnings
 * Update debug logging to new interfaces, plus fixes
 * Add error messages for ioctls;
 * Fix kernel docs
 * doc: Fix kernel docs
 * fbcon: Remove accelerated scrolling
 * selftests: Fix build warnings
 * ttm: Fix missing NULL check in new page pool; Fix build warnings
 * video: Fix kernel docs

Driver Changes:

 * armada: Fix build warnings
 * atmel-hlcdc: Fix build warnings
 * exynos: Fix build warnings
 * gma500: Remove 2d framebuffer acceleration
 * lima: Fix build warnings; Cleanups
 * mediatek: Fix build warnings
 * meson: Module removal fixes; Fix build warnings
 * nouveau: Fix build warnings
 * omap: Fix return values
 * panel: Fix build warnings; Add support and DT bindings for OnePlus 6/T; Add
   support and DT bindings for ABT Y030XX067A
 * panel/s6e63m0: Add/improve SPi reading/writing; Support 3WIRE protocol; Set
   connector display info; Add more comments
 * panfrost: Move GPU reset into separate worker, avoid race conditions
 * pl111: Fix build warnings
 * qxl: Cleanup fbcon acceleration
 * rockchip: Fix build warnings
 * savage: Fix build warnings
 * sti: Fix build warnings
 * udl: Fix missing error code in udl_handle_damage()
 * v3d: Fix build warnings
 * vc4: Fix build warnings
 * via: Fix build warnings
 * virtio: Make dma-buf ops static

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201118123221.GA19755@linux-uq9g
2020-11-27 09:36:33 +10:00
Christian König
aea656b0d0 drm/nouveau: make sure ret is initialized in nouveau_ttm_io_mem_reserve
This wasn't initialized for pre NV50 hardware.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reported-and-Tested-by: Mark Hounschell <markh@compro.net>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Link: https://patchwork.freedesktop.org/series/84298/
2020-11-26 16:58:14 +01:00
Matti Hamalainen
2be6564164 drm/nouveau: fix relocations applying logic and a double-free
Commit 03e0d26fcf ("drm/nouveau: slowpath for pushbuf ioctl") included
a logic-bug which results in the relocations not actually getting
applied at all as the call to nouveau_gem_pushbuf_reloc_apply() is
never reached. This causes a regression with graphical corruption,
triggered when relocations need to be done (for example after a
suspend/resume cycle.)

Fix by setting *apply_relocs value only if there were more than 0
relocations.

Additionally, the never reached code had a leftover u_free() call,
which, after fixing the logic, now got called and resulted in a
double-free. Fix by removing one u_free(), moving the other
and adding check for errors.

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: nouveau@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Matti Hamalainen <ccr@tnsp.org>
Fixes: 03e0d26fcf ("drm/nouveau: slowpath for pushbuf ioctl")
References: https://gitlab.freedesktop.org/drm/nouveau/-/issues/11
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201120152338.1203257-1-ccr@tnsp.org
2020-11-26 08:04:19 +01:00
Maxime Ripard
eca22edb37
drm: Pass the full state to connectors atomic functions
The current atomic helpers have either their object state being passed as
an argument or the full atomic state.

The former is the pattern that was done at first, before switching to the
latter for new hooks or when it was needed.

Now that the CRTCs have been converted, let's move forward with the
connectors to provide a consistent interface.

The conversion was done using the coccinelle script below, and built tested
on all the drivers.

@@
identifier connector, connector_state;
@@

 struct drm_connector_helper_funcs {
	...
	struct drm_encoder* (*atomic_best_encoder)(struct drm_connector *connector,
-						   struct drm_connector_state *connector_state);
+						   struct drm_atomic_state *state);
	...
}

@@
identifier connector, connector_state;
@@

 struct drm_connector_helper_funcs {
	...
	void (*atomic_commit)(struct drm_connector *connector,
-			      struct drm_connector_state *connector_state);
+			      struct drm_atomic_state *state);
	...
}

@@
struct drm_connector_helper_funcs *FUNCS;
identifier state;
identifier connector, connector_state;
identifier f;
@@

 f(..., struct drm_atomic_state *state, ...)
 {
	<+...
-	FUNCS->atomic_commit(connector, connector_state);
+	FUNCS->atomic_commit(connector, state);
	...+>
 }

@@
struct drm_connector_helper_funcs *FUNCS;
identifier state;
identifier connector, connector_state;
identifier var, f;
@@

 f(struct drm_atomic_state *state, ...)
 {
	<+...
-	var = FUNCS->atomic_best_encoder(connector, connector_state);
+	var = FUNCS->atomic_best_encoder(connector, state);
	...+>
 }

@ connector_atomic_func @
identifier helpers;
identifier func;
@@

(
static struct drm_connector_helper_funcs helpers = {
	...,
	.atomic_best_encoder = func,
	...,
};
|
static struct drm_connector_helper_funcs helpers = {
	...,
	.atomic_commit = func,
	...,
};
)

@@
identifier connector_atomic_func.func;
identifier connector;
symbol state;
@@

 func(struct drm_connector *connector,
-      struct drm_connector_state *state
+      struct drm_connector_state *connector_state
      )
 {
	...
-	state
+	connector_state
 	...
 }

@ ignores_state @
identifier connector_atomic_func.func;
identifier connector, connector_state;
@@

 func(struct drm_connector *connector,
      struct drm_connector_state *connector_state)
{
	... when != connector_state
}

@ adds_state depends on connector_atomic_func && !ignores_state @
identifier connector_atomic_func.func;
identifier connector, connector_state;
@@

 func(struct drm_connector *connector, struct drm_connector_state *connector_state)
 {
+	struct drm_connector_state *connector_state = drm_atomic_get_new_connector_state(state, connector);
	...
 }

@ depends on connector_atomic_func @
identifier connector_atomic_func.func;
identifier connector_state;
identifier connector;
@@

 func(struct drm_connector *connector,
-     struct drm_connector_state *connector_state
+     struct drm_atomic_state *state
	   )
 { ... }

@ include depends on adds_state @
@@

 #include <drm/drm_atomic.h>

@ no_include depends on !include && adds_state @
@@

+ #include <drm/drm_atomic.h>
  #include <drm/...>

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Cc: Melissa Wen <melissa.srw@gmail.com>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201118094758.506730-1-maxime@cerno.tech
2020-11-20 12:23:53 +01:00
Lee Jones
c6fd00a490 drm/nouveau/nvkm/core/firmware: Fix formatting, provide missing param description
... and demote non-conformant kernel-doc header.

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/nouveau/nvkm/core/firmware.c:71: warning: Function parameter or member 'subdev' not described in 'nvkm_firmware_get'
 drivers/gpu/drm/nouveau/nvkm/core/firmware.c:71: warning: Function parameter or member 'fwname' not described in 'nvkm_firmware_get'
 drivers/gpu/drm/nouveau/nvkm/core/firmware.c:71: warning: Function parameter or member 'ver' not described in 'nvkm_firmware_get'
 drivers/gpu/drm/nouveau/nvkm/core/firmware.c:71: warning: Function parameter or member 'fw' not described in 'nvkm_firmware_get'
 drivers/gpu/drm/nouveau/nvkm/core/firmware.c:106: warning: Function parameter or member 'fw' not described in 'nvkm_firmware_put'

Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201116174112.1833368-22-lee.jones@linaro.org
2020-11-17 20:02:03 +01:00
Dave Airlie
31b0521236 Merge branch 'linux-5.11' of git://github.com/skeggsb/linux into drm-next
-next fix for type stuff.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <skeggsb@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv5vuM54oU1Yp8sX5ZVmJAv+-oQRQj-AeaKFb3qs1EtP-g@mail.gmail.com
2020-11-16 07:25:46 +10:00
Ben Skeggs
be323a4cef drm/nouveau/ttm: avoid using nouveau_drm.ttm.type_vram prior to nv50
Pre-NV50 chipsets don't currently use the MMU subsystem that later
chipsets use, and type_vram is negative here, leading to an OOB memory
access.

This was previously guarded by a chipset check, restore that.

Reported-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 5839172f09 ("drm/nouveau: explicitly specify caching to use")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2020-11-14 14:35:57 +10:00
Lyude Paul
5c6fb4b28b drm/nouveau/kms/nv50-: Use atomic encoder callbacks everywhere
It turns out that I forgot to go through and make sure that I converted all
encoder callbacks to use atomic_enable/atomic_disable(), so let's go and
actually do that.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Fixes: 09838c4efe ("drm/nouveau/kms: Search for encoders' connectors properly")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-11-14 14:19:18 +10:00
Ben Skeggs
6c27ffabeb drm/nouveau/ttm: avoid using nouveau_drm.ttm.type_vram prior to nv50
Pre-NV50 chipsets don't currently use the MMU subsystem that later
chipsets use, and type_vram is negative here, leading to an OOB memory
access.

This was previously guarded by a chipset check, restore that.

Reported-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 5839172f09 ("drm/nouveau: explicitly specify caching to use")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-11-14 14:19:17 +10:00
Alexander Kapshuk
630f512280 drm/nouveau/kms: Fix NULL pointer dereference in nouveau_connector_detect_depth
This oops manifests itself on the following hardware:
01:00.0 VGA compatible controller: NVIDIA Corporation G98M [GeForce G 103M] (rev a1)

Oct 09 14:17:46 lp-sasha kernel: BUG: kernel NULL pointer dereference, address: 0000000000000000
Oct 09 14:17:46 lp-sasha kernel: #PF: supervisor read access in kernel mode
Oct 09 14:17:46 lp-sasha kernel: #PF: error_code(0x0000) - not-present page
Oct 09 14:17:46 lp-sasha kernel: PGD 0 P4D 0
Oct 09 14:17:46 lp-sasha kernel: Oops: 0000 [#1] SMP PTI
Oct 09 14:17:46 lp-sasha kernel: CPU: 1 PID: 191 Comm: systemd-udevd Not tainted 5.9.0-rc8-next-20201009 #38
Oct 09 14:17:46 lp-sasha kernel: Hardware name: Hewlett-Packard Compaq Presario CQ61 Notebook PC/306A, BIOS F.03 03/23/2009
Oct 09 14:17:46 lp-sasha kernel: RIP: 0010:nouveau_connector_detect_depth+0x71/0xc0 [nouveau]
Oct 09 14:17:46 lp-sasha kernel: Code: 0a 00 00 48 8b 49 48 c7 87 b8 00 00 00 06 00 00 00 80 b9 4d 0a 00 00 00 75 1e 83 fa 41 75 05 48 85 c0 75 29 8b 81 10 0d 00 00 <39> 06 7c 25 f6 81 14 0d 00 00 02 75 b7 c3 80 b9 0c 0d 00 00 00 75
Oct 09 14:17:46 lp-sasha kernel: RSP: 0018:ffffc9000028f8c0 EFLAGS: 00010297
Oct 09 14:17:46 lp-sasha kernel: RAX: 0000000000014c08 RBX: ffff8880369d4000 RCX: ffff8880369d3000
Oct 09 14:17:46 lp-sasha kernel: RDX: 0000000000000040 RSI: 0000000000000000 RDI: ffff8880369d4000
Oct 09 14:17:46 lp-sasha kernel: RBP: ffff88800601cc00 R08: ffff8880051da298 R09: ffffffff8226201a
Oct 09 14:17:46 lp-sasha kernel: R10: ffff88800469aa80 R11: ffff888004c84ff8 R12: 0000000000000000
Oct 09 14:17:46 lp-sasha kernel: R13: ffff8880051da000 R14: 0000000000002000 R15: 0000000000000003
Oct 09 14:17:46 lp-sasha kernel: FS:  00007fd0192b3440(0000) GS:ffff8880bc900000(0000) knlGS:0000000000000000
Oct 09 14:17:46 lp-sasha kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 09 14:17:46 lp-sasha kernel: CR2: 0000000000000000 CR3: 0000000004976000 CR4: 00000000000006e0
Oct 09 14:17:46 lp-sasha kernel: Call Trace:
Oct 09 14:17:46 lp-sasha kernel:  nouveau_connector_get_modes+0x1e6/0x240 [nouveau]
Oct 09 14:17:46 lp-sasha kernel:  ? kfree+0xb9/0x240
Oct 09 14:17:46 lp-sasha kernel:  ? drm_connector_list_iter_next+0x7c/0xa0
Oct 09 14:17:46 lp-sasha kernel:  drm_helper_probe_single_connector_modes+0x1ba/0x7c0
Oct 09 14:17:46 lp-sasha kernel:  drm_client_modeset_probe+0x27e/0x1360
Oct 09 14:17:46 lp-sasha kernel:  ? nvif_object_sclass_put+0xc/0x20 [nouveau]
Oct 09 14:17:46 lp-sasha kernel:  ? nouveau_cli_init+0x3cc/0x440 [nouveau]
Oct 09 14:17:46 lp-sasha kernel:  ? ktime_get_mono_fast_ns+0x49/0xa0
Oct 09 14:17:46 lp-sasha kernel:  ? nouveau_drm_open+0x4e/0x180 [nouveau]
Oct 09 14:17:46 lp-sasha kernel:  __drm_fb_helper_initial_config_and_unlock+0x3f/0x4a0
Oct 09 14:17:46 lp-sasha kernel:  ? drm_file_alloc+0x18f/0x260
Oct 09 14:17:46 lp-sasha kernel:  ? mutex_lock+0x9/0x40
Oct 09 14:17:46 lp-sasha kernel:  ? drm_client_init+0x110/0x160
Oct 09 14:17:46 lp-sasha kernel:  nouveau_fbcon_init+0x14d/0x1c0 [nouveau]
Oct 09 14:17:46 lp-sasha kernel:  nouveau_drm_device_init+0x1c0/0x880 [nouveau]
Oct 09 14:17:46 lp-sasha kernel:  nouveau_drm_probe+0x11a/0x1e0 [nouveau]
Oct 09 14:17:46 lp-sasha kernel:  pci_device_probe+0xcd/0x140
Oct 09 14:17:46 lp-sasha kernel:  really_probe+0xd8/0x400
Oct 09 14:17:46 lp-sasha kernel:  driver_probe_device+0x4a/0xa0
Oct 09 14:17:46 lp-sasha kernel:  device_driver_attach+0x9c/0xc0
Oct 09 14:17:46 lp-sasha kernel:  __driver_attach+0x6f/0x100
Oct 09 14:17:46 lp-sasha kernel:  ? device_driver_attach+0xc0/0xc0
Oct 09 14:17:46 lp-sasha kernel:  bus_for_each_dev+0x75/0xc0
Oct 09 14:17:46 lp-sasha kernel:  bus_add_driver+0x106/0x1c0
Oct 09 14:17:46 lp-sasha kernel:  driver_register+0x86/0xe0
Oct 09 14:17:46 lp-sasha kernel:  ? 0xffffffffa044e000
Oct 09 14:17:46 lp-sasha kernel:  do_one_initcall+0x48/0x1e0
Oct 09 14:17:46 lp-sasha kernel:  ? _cond_resched+0x11/0x60
Oct 09 14:17:46 lp-sasha kernel:  ? kmem_cache_alloc_trace+0x19c/0x1e0
Oct 09 14:17:46 lp-sasha kernel:  do_init_module+0x57/0x220
Oct 09 14:17:46 lp-sasha kernel:  __do_sys_finit_module+0xa0/0xe0
Oct 09 14:17:46 lp-sasha kernel:  do_syscall_64+0x33/0x40
Oct 09 14:17:46 lp-sasha kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Oct 09 14:17:46 lp-sasha kernel: RIP: 0033:0x7fd01a060d5d
Oct 09 14:17:46 lp-sasha kernel: Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e3 70 0c 00 f7 d8 64 89 01 48
Oct 09 14:17:46 lp-sasha kernel: RSP: 002b:00007ffc8ad38a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
Oct 09 14:17:46 lp-sasha kernel: RAX: ffffffffffffffda RBX: 0000563f6e7fd530 RCX: 00007fd01a060d5d
Oct 09 14:17:46 lp-sasha kernel: RDX: 0000000000000000 RSI: 00007fd01a19f95d RDI: 000000000000000f
Oct 09 14:17:46 lp-sasha kernel: RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000007
Oct 09 14:17:46 lp-sasha kernel: R10: 000000000000000f R11: 0000000000000246 R12: 00007fd01a19f95d
Oct 09 14:17:46 lp-sasha kernel: R13: 0000000000000000 R14: 0000563f6e7fbc10 R15: 0000563f6e7fd530
Oct 09 14:17:46 lp-sasha kernel: Modules linked in: nouveau(+) ttm xt_string xt_mark xt_LOG vgem v4l2_dv_timings uvcvideo ulpi udf ts_kmp ts_fsm ts_bm snd_aloop sil164 qat_dh895xccvf nf_nat_sip nf_nat_irc nf_nat_ftp nf_nat nf_log_ipv6 nf_log_ipv4 nf_log_common ltc2990 lcd intel_qat input_leds i2c_mux gspca_main videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc drivetemp cuse fuse crc_itu_t coretemp ch7006 ath5k ath algif_hash
Oct 09 14:17:46 lp-sasha kernel: CR2: 0000000000000000
Oct 09 14:17:46 lp-sasha kernel: ---[ end trace 0ddafe218ad30017 ]---
Oct 09 14:17:46 lp-sasha kernel: RIP: 0010:nouveau_connector_detect_depth+0x71/0xc0 [nouveau]
Oct 09 14:17:46 lp-sasha kernel: Code: 0a 00 00 48 8b 49 48 c7 87 b8 00 00 00 06 00 00 00 80 b9 4d 0a 00 00 00 75 1e 83 fa 41 75 05 48 85 c0 75 29 8b 81 10 0d 00 00 <39> 06 7c 25 f6 81 14 0d 00 00 02 75 b7 c3 80 b9 0c 0d 00 00 00 75
Oct 09 14:17:46 lp-sasha kernel: RSP: 0018:ffffc9000028f8c0 EFLAGS: 00010297
Oct 09 14:17:46 lp-sasha kernel: RAX: 0000000000014c08 RBX: ffff8880369d4000 RCX: ffff8880369d3000
Oct 09 14:17:46 lp-sasha kernel: RDX: 0000000000000040 RSI: 0000000000000000 RDI: ffff8880369d4000
Oct 09 14:17:46 lp-sasha kernel: RBP: ffff88800601cc00 R08: ffff8880051da298 R09: ffffffff8226201a
Oct 09 14:17:46 lp-sasha kernel: R10: ffff88800469aa80 R11: ffff888004c84ff8 R12: 0000000000000000
Oct 09 14:17:46 lp-sasha kernel: R13: ffff8880051da000 R14: 0000000000002000 R15: 0000000000000003
Oct 09 14:17:46 lp-sasha kernel: FS:  00007fd0192b3440(0000) GS:ffff8880bc900000(0000) knlGS:0000000000000000
Oct 09 14:17:46 lp-sasha kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 09 14:17:46 lp-sasha kernel: CR2: 0000000000000000 CR3: 0000000004976000 CR4: 00000000000006e0

The disassembly:
Code: 0a 00 00 48 8b 49 48 c7 87 b8 00 00 00 06 00 00 00 80 b9 4d 0a 00 00 00 75 1e 83 fa 41 75 05 48 85 c0 75 29 8b 81 10 0d 00 00 <39> 06 7c 25 f6 81 14 0d 00 00 02 75 b7 c3 80 b9 0c 0d 00 00 00 75
All code
========
   0:   0a 00                   or     (%rax),%al
   2:   00 48 8b                add    %cl,-0x75(%rax)
   5:   49                      rex.WB
   6:   48 c7 87 b8 00 00 00    movq   $0x6,0xb8(%rdi)
   d:   06 00 00 00
  11:   80 b9 4d 0a 00 00 00    cmpb   $0x0,0xa4d(%rcx)
  18:   75 1e                   jne    0x38
  1a:   83 fa 41                cmp    $0x41,%edx
  1d:   75 05                   jne    0x24
  1f:   48 85 c0                test   %rax,%rax
  22:   75 29                   jne    0x4d
  24:   8b 81 10 0d 00 00       mov    0xd10(%rcx),%eax
  2a:*  39 06                   cmp    %eax,(%rsi)              <-- trapping instruction
  2c:   7c 25                   jl     0x53
  2e:   f6 81 14 0d 00 00 02    testb  $0x2,0xd14(%rcx)
  35:   75 b7                   jne    0xffffffffffffffee
  37:   c3                      retq
  38:   80 b9 0c 0d 00 00 00    cmpb   $0x0,0xd0c(%rcx)
  3f:   75                      .byte 0x75

Code starting with the faulting instruction
===========================================
   0:   39 06                   cmp    %eax,(%rsi)
   2:   7c 25                   jl     0x29
   4:   f6 81 14 0d 00 00 02    testb  $0x2,0xd14(%rcx)
   b:   75 b7                   jne    0xffffffffffffffc4
   d:   c3                      retq
   e:   80 b9 0c 0d 00 00 00    cmpb   $0x0,0xd0c(%rcx)
  15:   75                      .byte 0x75

objdump -SF --disassemble=nouveau_connector_detect_depth
[...]
        if (nv_connector->edid &&
   c85e1:       83 fa 41                cmp    $0x41,%edx
   c85e4:       75 05                   jne    c85eb <nouveau_connector_detect_depth+0x6b> (File Offset: 0xc866b)
   c85e6:       48 85 c0                test   %rax,%rax
   c85e9:       75 29                   jne    c8614 <nouveau_connector_detect_depth+0x94> (File Offset: 0xc8694)
            nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
                duallink = ((u8 *)nv_connector->edid)[121] == 2;
        else
                duallink = mode->clock >= bios->fp.duallink_transition_clk;

        if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
   c85eb:       8b 81 10 0d 00 00       mov    0xd10(%rcx),%eax
   c85f1:       39 06                   cmp    %eax,(%rsi)
   c85f3:       7c 25                   jl     c861a <nouveau_connector_detect_depth+0x9a> (File Offset: 0xc869a)
            ( duallink && (bios->fp.strapless_is_24bit & 2)))
   c85f5:       f6 81 14 0d 00 00 02    testb  $0x2,0xd14(%rcx)
   c85fc:       75 b7                   jne    c85b5 <nouveau_connector_detect_depth+0x35> (File Offset: 0xc8635)
                connector->display_info.bpc = 8;
[...]

% scripts/faddr2line /lib/modules/5.9.0-rc8-next-20201009/kernel/drivers/gpu/drm/nouveau/nouveau.ko nouveau_connector_detect_depth+0x71/0xc0
nouveau_connector_detect_depth+0x71/0xc0:
nouveau_connector_detect_depth at /home/sasha/linux-next/drivers/gpu/drm/nouveau/nouveau_connector.c:891

It is actually line 889. See the disassembly below.
889                     duallink = mode->clock >= bios->fp.duallink_transition_clk;

The NULL pointer being dereferenced is mode.

Git bisect has identified the following commit as bad:
f28e32d390 drm/nouveau/kms: Don't change EDID when it hasn't actually changed

Here is the chain of events that causes the oops.
On entry to nouveau_connector_detect_lvds, edid is set to NULL.  The call
to nouveau_connector_detect sets nv_connector->edid to valid memory,
with status set to connector_status_connected and the flow of execution
branching to the out label.

The subsequent call to nouveau_connector_set_edid erronously clears
nv_connector->edid, via the local edid pointer which remains set to NULL.

Fix this by setting edid to the value of the just acquired
nv_connector->edid and executing the body of nouveau_connector_set_edid
only if nv_connector->edid and edid point to different memory addresses
thus preventing nv_connector->edid from being turned into a dangling
pointer.

Fixes: f28e32d390 ("drm/nouveau/kms: Don't change EDID when it hasn't actually changed")
Signed-off-by: Alexander Kapshuk <alexander.kapshuk@gmail.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-11-14 14:19:17 +10:00
Thomas Zimmermann
f644e3038f drm/nouveau: Fix out-of-bounds access when deferencing MMU type
The value of struct drm_device.ttm.type_vram can become -1 for unknown
types of memory (see nouveau_ttm_init()). This leads to an out-of-bounds
error when accessing struct nvif_mmu.type[]:

  [   18.304116] ==================================================================
  [   18.311649] BUG: KASAN: slab-out-of-bounds in nouveau_ttm_io_mem_reserve+0x17a/0x7e0 [nouveau]
  [   18.320415] Read of size 1 at addr ffff88810ffac1fe by task systemd-udevd/342
  [   18.327681]
  [   18.329208] CPU: 1 PID: 342 Comm: systemd-udevd Tainted: G            E     5.10.0-rc2-1-default+ #581
  [   18.338681] Hardware name: Dell Inc. OptiPlex 9020/0N4YC8, BIOS A24 10/24/2018
  [   18.346032] Call Trace:
  [   18.348536]  dump_stack+0xae/0xe5
  [   18.351919]  print_address_description.constprop.0+0x17/0xf0
  [   18.357787]  ? nouveau_ttm_io_mem_reserve+0x17a/0x7e0 [nouveau]
  [   18.363818]  __kasan_report.cold+0x20/0x38
  [   18.368099]  ? nouveau_ttm_io_mem_reserve+0x17a/0x7e0 [nouveau]
  [   18.374133]  kasan_report+0x3a/0x50
  [   18.377789]  nouveau_ttm_io_mem_reserve+0x17a/0x7e0 [nouveau]
  <...>
  [   18.767690] Allocated by task 342:
  [   18.773087]  kasan_save_stack+0x1b/0x40
  [   18.778890]  __kasan_kmalloc.constprop.0+0xbf/0xd0
  [   18.785646]  __kmalloc_track_caller+0x1be/0x390
  [   18.792165]  kstrdup_const+0x46/0x70
  [   18.797686]  kobject_set_name_vargs+0x2f/0xb0
  [   18.803992]  kobject_init_and_add+0x9d/0xf0
  [   18.810117]  ttm_mem_global_init+0x12c/0x210 [ttm]
  [   18.816853]  ttm_bo_global_init+0x4a/0x160 [ttm]
  [   18.823420]  ttm_bo_device_init+0x39/0x220 [ttm]
  [   18.830046]  nouveau_ttm_init+0x2c3/0x830 [nouveau]
  [   18.836929]  nouveau_drm_device_init+0x1b4/0x3f0 [nouveau]
  <...>
  [   19.105336] ==================================================================

Fix this error, by not using type_vram as an index if it's negative.
Assume default values instead.

The error was seen on Nvidia G72 hardware.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Acked-by: Christian König <christian.koenig@amd.com>
Fixes: 1cf65c4518 ("drm/ttm: add caching state to ttm_bus_placement")
Cc: Christian König <christian.koenig@amd.com>
Cc: Michael J. Ruhl <michael.j.ruhl@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Roland Scheidegger <sroland@vmware.com>
Cc: Huang Rui <ray.huang@amd.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Likun Gao <Likun.Gao@amd.com>
Cc: dri-devel@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: virtualization@lists.linux-foundation.org
Cc: spice-devel@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20201110133655.13174-1-tzimmermann@suse.de
2020-11-11 20:13:31 +01:00
Dave Airlie
0c8c0659d7 drm/nouveau/ttm: use multihop
This removes the code to move resources directly between
SYSTEM and VRAM in favour of using the core ttm mulithop code.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201109005432.861936-4-airlied@gmail.com
2020-11-11 11:11:44 +10:00
Dave Airlie
ebdf565169 drm/ttm: add multihop infrastrucutre (v3)
Currently drivers get called to move a buffer, but if they have to
move it temporarily through another space (SYSTEM->VRAM via TT)
then they can end up with a lot of ttm->driver->ttm call stacks,
if the temprorary space moves requires eviction.

Instead of letting the driver do all the placement/space for the
temporary, allow it to report back (-EMULTIHOP) and a placement (hop)
to the move code, which will then do the temporary move, and the
correct placement move afterwards.

This removes a lot of code from drivers, at the expense of
adding some midlayering. I've some further ideas on how to turn
it inside out, but I think this is a good solution to the call
stack problems.

v2: separate out the driver patches, add WARN for getting
MULTHOP in paths we shouldn't (Daniel)
v3: use memset (Christian)

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: hristian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201109005432.861936-2-airlied@gmail.com
2020-11-11 11:11:03 +10:00
Thomas Zimmermann
49a3f51dfe drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
This patch replaces the vmap/vunmap's use of raw pointers in GEM object
functions with instances of struct dma_buf_map. GEM backends are
converted as well. For most of them, this simply changes the returned type.

TTM-based drivers now return information about the location of the memory,
either system or I/O memory. GEM VRAM helpers and qxl now use ttm_bo_vmap()
et al. Amdgpu, nouveau and radeon use drm_gem_ttm_vmap() et al instead of
implementing their own vmap callbacks.

v7:
	* init QXL cursor to mapped BO buffer (kernel test robot)
v5:
	* update vkms after switch to shmem
v4:
	* use ttm_bo_vmap(), drm_gem_ttm_vmap(), et al. (Daniel, Christian)
	* fix a trailing { in drm_gem_vmap()
	* remove several empty functions instead of converting them (Daniel)
	* comment uses of raw pointers with a TODO (Daniel)
	* TODO list: convert more helpers to use struct dma_buf_map

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Christian König <christian.koenig@amd.com>
Tested-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-7-tzimmermann@suse.de
2020-11-09 09:19:24 +01:00
Tom Rix
819af2a676 drm: remove unneeded break
A break is not needed if it is preceded by a return or break

Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201019163115.25814-1-trix@redhat.com
2020-11-08 18:59:00 +01:00
Maxime Ripard
3fd9886815
drm/nouveau/kms/nv50-: Use state helper instead of crtc pointer
dispnv50 references the crtc->state pointer in order to get the current
CRTC state in its atomic_check hook, which would be the old CRTC state in
the global atomic state.

Use the drm_atomic_get_old_crtc_state helper to get that state to make it
more obvious.

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102133834.1176740-1-maxime@cerno.tech
2020-11-03 12:20:09 +01:00
Maxime Ripard
29b77ad7b9
drm/atomic: Pass the full state to CRTC atomic_check
The current atomic helpers have either their object state being passed as
an argument or the full atomic state.

The former is the pattern that was done at first, before switching to the
latter for new hooks or when it was needed.

Let's start convert all the remaining helpers to provide a consistent
interface, starting with the CRTC's atomic_check.

The conversion was done using the coccinelle script below,
built tested on all the drivers and actually tested on vc4.

virtual report

@@
struct drm_crtc_helper_funcs *FUNCS;
struct drm_crtc *crtc;
struct drm_crtc_state *crtc_state;
identifier dev, state;
identifier ret, f;
@@

 f(struct drm_device *dev, struct drm_atomic_state *state)
 {
	<...
-	ret = FUNCS->atomic_check(crtc, crtc_state);
+	ret = FUNCS->atomic_check(crtc, state);
	...>
 }

@@
identifier crtc, new_state;
@@

 struct drm_crtc_helper_funcs {
 	...
-	int (*atomic_check)(struct drm_crtc *crtc, struct drm_crtc_state *new_state);
+	int (*atomic_check)(struct drm_crtc *crtc, struct drm_atomic_state *state);
 	...
}

@ crtc_atomic_func @
identifier helpers;
identifier func;
@@

static struct drm_crtc_helper_funcs helpers = {
	...,
	.atomic_check = func,
	...,
};

@ ignores_new_state @
identifier crtc_atomic_func.func;
identifier crtc, new_state;
@@

 int func(struct drm_crtc *crtc,
		struct drm_crtc_state *new_state)
 {
	... when != new_state
 }

@ adds_new_state depends on crtc_atomic_func && !ignores_new_state @
identifier crtc_atomic_func.func;
identifier crtc, new_state;
@@

 int func(struct drm_crtc *crtc, struct drm_crtc_state *new_state)
 {
+	struct drm_crtc_state *new_state = drm_atomic_get_new_crtc_state(state, crtc);
 	...
 }

@ depends on crtc_atomic_func @
identifier crtc_atomic_func.func;
expression E;
type T;
@@

 int func(...)
 {
	...
-	T state = E;
+	T crtc_state = E;
 	<+...
-	state
+	crtc_state
 	...+>
 }

@ depends on crtc_atomic_func @
identifier crtc_atomic_func.func;
type T;
@@

 int func(...)
 {
 	...
-	T state;
+	T crtc_state;
 	<+...
-	state
+	crtc_state
 	...+>
 }

@ depends on crtc_atomic_func @
identifier crtc_atomic_func.func;
identifier new_state;
identifier crtc;
@@

 int func(struct drm_crtc *crtc,
-	       struct drm_crtc_state *new_state
+	       struct drm_atomic_state *state
	       )
 { ... }

@@
identifier new_state;
identifier crtc;
@@

 int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
-                             struct drm_crtc_state *new_state
+                             struct drm_atomic_state *state
               )
 {
+       struct drm_crtc_state *new_state = drm_atomic_get_new_crtc_state(state, crtc);
	...
 }

@@
identifier new_state;
identifier crtc;
@@

 int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
-                             struct drm_crtc_state *new_state
+                             struct drm_atomic_state *state
               );

@ include depends on adds_new_state @
@@

 #include <drm/drm_atomic.h>

@ no_include depends on !include && adds_new_state @
@@

+ #include <drm/drm_atomic.h>
  #include <drm/...>

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201028123222.1732139-1-maxime@cerno.tech
2020-11-02 12:34:49 +01:00
Maxime Ripard
95f4f40a08
drm/nouveau/ttm: Add limits.h
It seems that a recent commit broke the nouveau compilation when swiotlb is
disabled (which is the case on our ARM defconfig for example).

Daniel says

"""
Since the proper fix is maybe stuck in the usual "drm abuses swiotlb
internals" bikeshed, maybe best if we push a fix to including limits.h
in nouveau and call it done?
"""

So let's go down the simplest path to fix our build, and goes back to it
later if needed.

Link: https://patchwork.freedesktop.org/patch/397835/
Fixes: 4dbafbd30a ("drm/nouveu: fix swiotlb include")
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-11-02 11:54:44 +01:00
Maxime Ripard
c489573b5b
Merge drm/drm-next into drm-misc-next
Daniel needs -rc2 in drm-misc-next to merge some patches

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2020-11-02 11:17:54 +01:00
Christian König
4dbafbd30a drm/nouveu: fix swiotlb include
The check for swiotlb has moved to nouveu_ttm.c, but we forgot to move
the include as well.

This blows up only when merged with linux-next, not sure why drm-misc-next
works stand alone.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/397835/
2020-11-02 11:43:44 +01:00
Lyude Paul
d7787cc04e drm/nouveau/kms/nv50-: Fix clock checking algorithm in nv50_dp_mode_valid()
While I thought I had this correct (since it actually did reject modes
like I expected during testing), Ville Syrjala from Intel pointed out
that the logic here isn't correct. max_clock refers to the max data rate
supported by the DP encoder. So, limiting it to the output of ds_clock (which
refers to the maximum dotclock of the downstream DP device) doesn't make any
sense. Additionally, since we're using the connector's bpc as the canonical BPC
we should use this in mode_valid until we support dynamically setting the bpp
based on bandwidth constraints.

https://lists.freedesktop.org/archives/dri-devel/2020-September/280276.html

For more info.

So, let's rewrite this using Ville's advice.

v2:
* Ville pointed out I mixed up the dotclock and the link rate. So fix that...
* ...and also rename all the variables in this function to be more appropriately
  labeled so I stop mixing them up.
* Reuse the bpp from the connector for now until we have dynamic bpp selection.
* Use use DIV_ROUND_UP for calculating the mode rate like i915 does, which we
  should also have been doing from the start

Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: 409d38139b ("drm/nouveau/kms/nv50-: Use downstream DP clock limits for mode validation")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-10-30 09:34:13 +10:00
Lyude Paul
2d831155cf drm/nouveau/kms/nv50-: Get rid of bogus nouveau_conn_mode_valid()
Ville also pointed out that I got a lot of the logic here wrong as well, whoops.
While I don't think anyone's likely using 3D output with nouveau, the next patch
will make nouveau_conn_mode_valid() make a lot less sense. So, let's just get
rid of it and open-code it like before, while taking care to move the 3D frame
packing calculations on the dot clock into the right place.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: d6a9efece7 ("drm/nouveau/kms/nv50-: Share DP SST mode_valid() handling with MST")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.8+
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-10-30 09:34:13 +10:00
Karol Herbst
dcd292c172 drm/nouveau/device: fix changing endianess code to work on older GPUs
With this we try to detect if the endianess switch works and assume LE if
not. Suggested by Ben.

Fixes: 51c05340e4 ("drm/nouveau/device: detect if changing endianness failed")
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Cc: <stable@vger.kernel.org> # v5.8+
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-10-30 09:34:12 +10:00
Karol Herbst
925681454d drm/nouveau/gem: fix "refcount_t: underflow; use-after-free"
we can't use nouveau_bo_ref here as no ttm object was allocated and
nouveau_bo_ref mainly deals with that. Simply deallocate the object.

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-10-30 09:34:12 +10:00
Lyude Paul
24d9422e26 drm/nouveau/kms/nv50-: Program notifier offset before requesting disp caps
Not entirely sure why this never came up when I originally tested this
(maybe some BIOSes already have this setup?) but the ->caps_init vfunc
appears to cause the display engine to throw an exception on driver
init, at least on my ThinkPad P72:

nouveau 0000:01:00.0: disp: chid 0 mthd 008c data 00000000 0000508c 0000102b

This is magic nvidia speak for "You need to have the DMA notifier offset
programmed before you can call NV507D_GET_CAPABILITIES." So, let's fix
this by doing that, and also perform an update afterwards to prevent
racing with the GPU when reading capabilities.

v2:
* Don't just program the DMA notifier offset, make sure to actually
  perform an update
v3:
* Don't call UPDATE()
* Actually read the correct notifier fields, as apparently the
  CAPABILITIES_DONE field lives in a different location than the main
  NV_DISP_CORE_NOTIFIER_1 field. As well, 907d+ use a different
  CAPABILITIES_DONE field then pre-907d cards.
v4:
* Don't forget to check the return value of core507d_read_caps()
v5:
* Get rid of NV50_DISP_CAPS_NTFY[14], use NV50_DISP_CORE_NTFY
* Disable notifier after calling GetCapabilities()

Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: 4a2cb4181b ("drm/nouveau/kms/nv50-: Probe SOR and PIOR caps for DP interlacing support")
Cc: <stable@vger.kernel.org> # v5.8+
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-10-30 09:34:12 +10:00
Ralph Campbell
cfa736f5a6 drm/nouveau/nouveau: fix the start/end range for migration
The user level OpenCL code shouldn't have to align start and end
addresses to a page boundary. That is better handled in the nouveau
driver. The npages field is also redundant since it can be computed
from the start and end addresses.

Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-10-30 09:34:11 +10:00
Christian König
461619f5c3 drm/nouveau: switch to new allocator
It should be able to handle all cases now.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
Tested-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.freedesktop.org/patch/397082/?series=83051&rev=1
2020-10-29 15:57:17 +01:00
Christian König
ee5d2a8e54 drm/ttm: wire up the new pool as default one v2
Provide the necessary parameters by all drivers and use the new pool alloc
when no driver specific function is provided.

v2: fix the GEM VRAM helpers

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
Tested-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.freedesktop.org/patch/397081/?series=83051&rev=1
2020-10-29 15:56:45 +01:00
Christian König
e34b8feeaa drm/ttm: merge ttm_dma_tt back into ttm_tt
It makes no difference to kmalloc if the structure
is 48 or 64 bytes in size.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/396950/
2020-10-26 14:45:42 +01:00
Christian König
230c079fdc drm/ttm: make num_pages uint32_t
We can still allocate 16TiB with that.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/396946/
2020-10-26 14:45:30 +01:00
Christian König
d1cb1f254a drm/ttm: nuke ttm_tt_set_(un)populated again
Neither page allocation backend nor the driver should mess with that.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
Link: https://patchwork.freedesktop.org/patch/396948/
2020-10-26 14:43:35 +01:00
Dave Airlie
6a6e5988a2 drm/ttm: replace last move_notify with delete_mem_notify
The move notify callback is only used in one place, this should
be removed in the future, but for now just rename it to the use
case which is to notify the driver that the GPU memory is to be
deleted.

Drivers can be cleaned up after this separately.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201021044031.1752624-2-airlied@gmail.com
2020-10-22 10:11:49 +10:00
Dave Airlie
bfe5e585b4 drm/ttm: move last binding into the drivers.
This moves the call to tt binding into the driver move,
and drops the driver callback.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201020010319.1692445-8-airlied@gmail.com
2020-10-21 13:46:07 +10:00
Dave Airlie
6d82000329 drm/ttm: drop move notify around move.
The drivers now do this in the move callback.

move_notify is still needed in the destroy path.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201020010319.1692445-7-airlied@gmail.com
2020-10-21 13:44:28 +10:00