Commit Graph

49259 Commits

Author SHA1 Message Date
chunhui dai
4e90a6eb76 drm/mediatek: add refcount for DPI power on/off
After the kernel 4.4, the DRM disable flow was changed, if DPI was
disableed before CRTC, it will cause warning message as following:

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1339 at ../../linux/linux-4.4.24-mtk/drivers/gpu/drm/drm_irq.c:1326 drm_wait_one_vblank+0x188/0x18c()
vblank wait timed out on crtc 0
Modules linked in: bridge mt8521p_ir_shim(O) i2c_eeprom(O) mtk_m4(O) fuse_ctrl(O) virtual_block(O) caamkeys(PO) chk(PO) amperctl(O) ledctl(O) apple_auth(PO) micctl(O) sensors(PO) lla(O) sdd(PO) ice40_fpga(O) psmon(O) event_queue(PO) utils(O) blackbox(O)
CPU: 0 PID: 1339 Comm: kworker/0:1 Tainted: P        W  O    4.4.24 #1
Hardware name: Mediatek Cortex-A7 (Device Tree)
Workqueue: events drm_mode_rmfb_work_fn
[<c001a710>] (unwind_backtrace) from [<c00151e4>] (show_stack+0x20/0x24)
[<c00151e4>] (show_stack) from [<c027961c>] (dump_stack+0x98/0xac)
[<c027961c>] (dump_stack) from [<c002ac54>] (warn_slowpath_common+0x94/0xc4)
[<c002ac54>] (warn_slowpath_common) from [<c002acc4>] (warn_slowpath_fmt+0x40/0x48)
[<c002acc4>] (warn_slowpath_fmt) from [<c03307ac>] (drm_wait_one_vblank+0x188/0x18c)
[<c03307ac>] (drm_wait_one_vblank) from [<c03307d8>] (drm_crtc_wait_one_vblank+0x28/0x2c)
[<c03307d8>] (drm_crtc_wait_one_vblank) from [<c034f48c>] (mtk_drm_crtc_disable+0x78/0x240)
[<c034f48c>] (mtk_drm_crtc_disable) from [<c03240d4>] (drm_atomic_helper_commit_modeset_disables+0x128/0x3b8)
[<c03240d4>] (drm_atomic_helper_commit_modeset_disables) from [<c0350a7c>] (mtk_atomic_complete+0x74/0xb4)
[<c0350a7c>] (mtk_atomic_complete) from [<c0350b24>] (mtk_atomic_commit+0x68/0x98)
[<c0350b24>] (mtk_atomic_commit) from [<c034ab48>] (drm_atomic_commit+0x54/0x74)
[<c034ab48>] (drm_atomic_commit) from [<c0325c4c>] (drm_atomic_helper_set_config+0x7c/0xa0)
[<c0325c4c>] (drm_atomic_helper_set_config) from [<c0338594>] (drm_mode_set_config_internal+0x68/0xe4)
[<c0338594>] (drm_mode_set_config_internal) from [<c033967c>] (drm_framebuffer_remove+0xe4/0x120)
[<c033967c>] (drm_framebuffer_remove) from [<c0339700>] (drm_mode_rmfb_work_fn+0x48/0x58)
[<c0339700>] (drm_mode_rmfb_work_fn) from [<c0043a38>] (process_one_work+0x154/0x50c)
[<c0043a38>] (process_one_work) from [<c0044074>] (worker_thread+0x284/0x568)
[<c0044074>] (worker_thread) from [<c0049dc4>] (kthread+0xec/0x104)
[<c0049dc4>] (kthread) from [<c0010678>] (ret_from_fork+0x14/0x3c)
---[ end trace 12ae5358e992abd5 ]---

so, we add refcount for DPI power on/off to protect the flow.

Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
2018-10-03 11:56:31 +08:00
Ayan Kumar Halder
3dae1c0919 drm/arm/malidp: Implemented the size validation for AFBC framebuffers
AFBC buffers include additional metadata which increases the required
allocation size. Implement the appropriate size validation and sanity
checking for AFBC buffers.
Added malidp specific function for framebuffer creation. This checks
if the framebuffer has AFBC modifiers and if so, it verifies the
necessary constraints on the size, alignment, offsets and pitch.

Changes from v2:
- Replaced DRM_ERROR() with DRM_DEBUG_KMS() in
malidp_verify_afbc_framebuffer_caps() and malidp_verify_afbc_framebuffer_size()

Signed-off-by: Ayan Kumar halder <ayan.halder@arm.com>
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-10-02 12:12:19 +01:00
Liviu Dudau
66da13a519 drm/arm/malidp: Validate rotations for compressed/uncompressed framebuffers for each layer
Add support for compressed framebuffers that are described using
the framebuffer's modifier field. Mali DP uses the rotation memory for
the decompressor of the format, so we need to check for space when
the modifiers are present.

Signed-off-by: Ayan Kumar Halder <ayan.halder@arm.com>
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
[re-worded commit, rebased, cleaned up duplicated checks for
 RGB888 and BGR888 and removed additional parameter for
 rotmem_required function hook]
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-10-02 12:11:00 +01:00
Noralf Trønnes
4d4c2d8991 drm/cma-helper: Fix crash in fbdev error path
Sergey Suloev reported a crash happening in drm_client_dev_hotplug()
when fbdev had failed to register.

[    9.124598] vc4_hdmi 3f902000.hdmi: ASoC: Failed to create component debugfs directory
[    9.147667] vc4_hdmi 3f902000.hdmi: vc4-hdmi-hifi <-> 3f902000.hdmi mapping ok
[    9.155184] vc4_hdmi 3f902000.hdmi: ASoC: no DMI vendor name!
[    9.166544] vc4-drm soc:gpu: bound 3f902000.hdmi (ops vc4_hdmi_ops [vc4])
[    9.173840] vc4-drm soc:gpu: bound 3f806000.vec (ops vc4_vec_ops [vc4])
[    9.181029] vc4-drm soc:gpu: bound 3f004000.txp (ops vc4_txp_ops [vc4])
[    9.188519] vc4-drm soc:gpu: bound 3f400000.hvs (ops vc4_hvs_ops [vc4])
[    9.195690] vc4-drm soc:gpu: bound 3f206000.pixelvalve (ops vc4_crtc_ops [vc4])
[    9.203523] vc4-drm soc:gpu: bound 3f207000.pixelvalve (ops vc4_crtc_ops [vc4])
[    9.215032] vc4-drm soc:gpu: bound 3f807000.pixelvalve (ops vc4_crtc_ops [vc4])
[    9.274785] vc4-drm soc:gpu: bound 3fc00000.v3d (ops vc4_v3d_ops [vc4])
[    9.290246] [drm] Initialized vc4 0.0.0 20140616 for soc:gpu on minor 0
[    9.297464] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    9.304600] [drm] Driver supports precise vblank timestamp query.
[    9.382856] vc4-drm soc:gpu: [drm:drm_fb_helper_fbdev_setup [drm_kms_helper]] *ERROR* Failed to set fbdev configuration
[   10.404937] Unable to handle kernel paging request at virtual address 00330a656369768a
[   10.441620] [00330a656369768a] address between user and kernel address ranges
[   10.449087] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[   10.454762] Modules linked in: brcmfmac vc4 drm_kms_helper cfg80211 drm rfkill smsc95xx brcmutil usbnet drm_panel_orientation_quirks raspberrypi_hwmon bcm2835_dma crc32_ce pwm_bcm2835 bcm2835_rng virt_dma rng_core i2c_bcm2835 ip_tables x_tables ipv6
[   10.477296] CPU: 2 PID: 45 Comm: kworker/2:1 Not tainted 4.19.0-rc5 #3
[   10.483934] Hardware name: Raspberry Pi 3 Model B Rev 1.2 (DT)
[   10.489966] Workqueue: events output_poll_execute [drm_kms_helper]
[   10.596515] Process kworker/2:1 (pid: 45, stack limit = 0x000000007e8924dc)
[   10.603590] Call trace:
[   10.606259]  drm_client_dev_hotplug+0x5c/0xb0 [drm]
[   10.611303]  drm_kms_helper_hotplug_event+0x30/0x40 [drm_kms_helper]
[   10.617849]  output_poll_execute+0xc4/0x1e0 [drm_kms_helper]
[   10.623616]  process_one_work+0x1c8/0x318
[   10.627695]  worker_thread+0x48/0x428
[   10.631420]  kthread+0xf8/0x128
[   10.634615]  ret_from_fork+0x10/0x18
[   10.638255] Code: 54000220 f9401261 aa1303e0 b4000141 (f9400c21)
[   10.644456] ---[ end trace c75b4a4b0e141908 ]---

The reason for this is that drm_fbdev_cma_init() removes the drm_client
when fbdev registration fails, but it doesn't remove the client from the
drm_device client list. So the client list now has a pointer that points
into the unknown and we have a 'use after free' situation.

Split drm_client_new() into drm_client_init() and drm_client_add() to fix
removal in the error path.

Fixes: 894a677f4b ("drm/cma-helper: Use the generic fbdev emulation")
Reported-by: Sergey Suloev <ssuloev@orpaltech.com>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181001194536.57756-1-noralf@tronnes.org
2018-10-02 13:03:34 +02:00
Jamie Fox
1f23a56a46 drm/malidp: Enable MMU prefetch on Mali-DP650
Mali-DP650 supports warming up the SMMU translations, by sending
requsts to the SMMU before a buffer is read.

There are two modes supported:

- PARTIAL: could be enabled when the buffer is composed of 4K or 64K
  pages, the display hardware will send a configurable number of
  requests before the actual reading.

- FULL: could be enabled when the buffer is composed of 1M or 2M
  pages, the display hardware will send requests before reading for
  all pages composing the buffer.

This patch adds a mechanism for detecting the page size and set the
MMU prefetch mode if possible.

Changes since v1:
 - For imported buffers use the already populated
   drm_gem_cma_object.sgt instead of calling
   driver.gem_prime_get_sg_table, which works just for buffers
   allocated through the gem_cma API.

Signed-off-by: Jamie Fox <jamie.fox@arm.com>
Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
[rebased and re-ordered functions]
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-10-02 11:59:36 +01:00
Lowry Li
187f7f21b2 drm/mali-dp: Implement plane alpha and pixel blend on malidp
Checks the pixel blending mode and plane alpha value when
do the plane_check. Mali DP supports blending the current plane
with the background either based on the pixel alpha blending
mode or by using the layer's alpha value, but not both at the
same time. If both case, plane_check will return failed.

Sets the HW when doing plane_update accordingly. If plane alpha
is the 0xffff, set the pixel blending bits accordingly. If not
we'd set ALPHA bit as zero and layer alpha value.

Changes since v1:
 - Introduces to use it in the malidp driver, which depends on
   the plane alpha patch
Changes since v2:
 - Refines the comments of drm/mali-dp patchset
Changes since v3:
 - Adds hardware limitation check
Changes since v4:
 - Updates on drm/malidp, hardware limitation check only when
   the format has alpha pixel.
 - Rebases on drm-misc-next.

Signed-off-by: Lowry Li <lowry.li@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-10-02 11:54:26 +01:00
Alexandru Gheorghe
791d54fa05 drm/malidp: Fix smart layer when doing pm_suspend/resume
Smart layer enable rectangles is set to 1 when the driver is probed,
however when doing pm_suspend the value is lost and it's not set again
making the SMART_LAYER unusable, fix that by initializing the number
of rectangles everytime we do a plane update.

Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-10-02 11:54:26 +01:00
Alexandru Gheorghe
b11507815d drm/malidp: Fix writeback in NV12
When we want to writeback to memory in NV12 format we need to program
the RGB2YUV coefficients. Currently, we don't program the coefficients
and NV12 doesn't work at all.

This patchset fixes that by programming a sane default(bt709, limited
range) as rgb2yuv coefficients.

In the long run, probably we need to think of a way for userspace to
be able to program that, but for now I think this is better than not
working at all or not advertising NV12 as a supported format for
memwrite.

Changes since v1:
 - Write the rgb2yuv coefficients only once, since we don't change
   them at all, just write them the first time NV12 is programmed,
   suggested by Brian Starkey, here [1]

[1] https://lists.freedesktop.org/archives/dri-devel/2018-August/186819.html

Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-10-02 11:54:26 +01:00
Alexandru Gheorghe
cabce6343f drm: mali-dp: Call drm_crtc_vblank_reset on device init
Currently, if userspace calls drm_wait_vblank before the crtc is
activated the crtc vblank_enable hook is called, which in case of
malidp driver triggers some warninngs. This happens because on
device init we don't inform the drm core about the vblank state
by calling drm_crtc_vblank_on/off/reset which together with
drm_vblank_get have some magic that prevents calling drm_vblank_enable
when crtc is off.

Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2018-10-02 11:54:26 +01:00
Jann Horn
12d43deb1e drm: fix use-after-free read in drm_mode_create_lease_ioctl()
fd_install() moves the reference given to it into the file descriptor table
of the current process. If the current process is multithreaded, then
immediately after fd_install(), another thread can close() the file
descriptor and cause the file's resources to be cleaned up.

Since the reference to "lessee" is held by the file, we must not access
"lessee" after the fd_install() call.

As far as I can tell, to reach this codepath, the caller must have an open
file descriptor to a DRI device in master mode. I'm not sure what the
requirements for that are.

Signed-off-by: Jann Horn <jannh@google.com>
Fixes: 62884cd386 ("drm: Add four ioctls for managing drm mode object leases [v7]")
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181001153117.216923-1-jannh@google.com
2018-10-02 10:22:10 +02:00
Tomi Valkeinen
2e65c7a6a1 drm/omap: fix use of freed memory
omap_connector_destroy() does:

kfree(omap_connector);
omapdss_device_put(omap_connector->output);
omapdss_device_put(omap_connector->display);

Fix this by moving the kfree after the omapdss_device_puts.

This bug was introduced in 949ea2ef3f

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2018-10-02 09:36:56 +03:00
Thomas Zimmermann
08bafffe47 drm/omap: Replace drm_dev_unref with drm_dev_put
This patch unifies the naming of DRM functions for reference counting
of struct drm_device. The resulting code is more aligned with the rest
of the Linux kernel interfaces.

Signed-off-by: Thomas Zimmermann <tdz@users.sourceforge.net>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
Thomas Zimmermann
e64d022934 drm/omap: Replace drm_gem_object_unreference_unlocked with put function
This patch unifies the naming of DRM functions for reference counting
of struct drm_gem_object. The resulting code is more aligned with the
rest of the Linux kernel interfaces.

Signed-off-by: Thomas Zimmermann <tdz@users.sourceforge.net>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
Thomas Zimmermann
3ce11806c0 drm/omap: Replace drm_gem_object_{un/reference} with put,get functions
This patch unifies the naming of DRM functions for reference counting
of struct drm_gem_object. The resulting code is more aligned with the
rest of the Linux kernel interfaces.

Signed-off-by: Thomas Zimmermann <tdz@users.sourceforge.net>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
Ayan Kumar Halder
e58febe1d9 drm/omap: Substitute format_is_yuv() with format->is_yuv
drm_format_info table has a field 'is_yuv' to denote if the format
is yuv or not. The driver is expected to use this instead of
having a function for the same purpose.

Signed-off-by: Ayan Kumar halder <ayan.halder@arm.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
Tomi Valkeinen
f5b9930b85 drm/omap: partial workaround for DRA7xx DMM errata i878
Errata i878 says that MPU should not be used to access RAM and DMM at
the same time. As it's not possible to prevent MPU accessing RAM, we
need to access DMM via a proxy.

This patch changes DMM driver to access DMM registers via sDMA. Instead
of doing a normal readl/writel call to read/write a register, we use
sDMA to copy 4 bytes from/to the DMM registers.

This patch provides only a partial workaround for i878, as not only DMM
register reads/writes are affected, but also accesses to the DMM mapped
buffers (framebuffers, usually).

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
2018-10-02 09:36:56 +03:00
Peter Ujfalusi
176c866d40 drm/omap: dmm_tiler: Fix interrupt request/free sequence during probe/remove
The interrupts should be enabled after the driver initialization to avoid
early interrupts while the driver is not yet ready to handle them.

On removal the interrupts must be disabled before other resources are
released, freed up.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
Peter Ujfalusi
157aa884c9 drm/omap: dmm_tiler: No need to check if irq is valid in omap_dmm_remove
The driver probe would fail if the irq is not available.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
Tomi Valkeinen
538f66ba20 drm/omap: fix memory barrier bug in DMM driver
A DMM timeout "timed out waiting for done" has been observed on DRA7
devices. The timeout happens rarely, and only when the system is under
heavy load.

Debugging showed that the timeout can be made to happen much more
frequently by optimizing the DMM driver, so that there's almost no code
between writing the last DMM descriptors to RAM, and writing to DMM
register which starts the DMM transaction.

The current theory is that a wmb() does not properly ensure that the
data written to RAM is observable by all the components in the system.

This DMM timeout has caused interesting (and rare) bugs as the error
handling was not functioning properly (the error handling has been fixed
in previous commits):

 * If a DMM timeout happened when a GEM buffer was being pinned for
   display on the screen, a timeout error would be shown, but the driver
   would continue programming DSS HW with broken buffer, leading to
   SYNCLOST floods and possible crashes.

 * If a DMM timeout happened when other user (say, video decoder) was
   pinning a GEM buffer, a timeout would be shown but if the user
   handled the error properly, no other issues followed.

 * If a DMM timeout happened when a GEM buffer was being released, the
   driver does not even notice the error, leading to crashes or hang
   later.

This patch adds wmb() and readl() calls after the last bit is written to
RAM, which should ensure that the execution proceeds only after the data
is actually in RAM, and thus observable by DMM.

The read-back should not be needed. Further study is required to understand
if DMM is somehow special case and read-back is ok, or if DRA7's memory
barriers do not work correctly.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
2018-10-02 09:36:56 +03:00
YueHaibing
3a75010cec drm/omap: remove set but not used variable 'frame_height'
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/omapdrm/dss/dispc.c: In function 'dispc_ovl_setup_common':
drivers/gpu/drm/omapdrm/dss/dispc.c:2627:19: warning:
 variable 'frame_height' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
zhong jiang
993d52e2f7 drm/omap: Use ERR_CAST directly instead of ERR_PTR(PTR_ERR())
We prefer to use ERR_CAST to do so.
The issue is detected with the help of Coccinelle.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
Corentin Labbe
c7d6a0d676 drm/omap: remove unused header tcm-sita.h
tcm-sita.h is unused since commit 0d6fa53fd8 ("drm/omap: Use bitmaps for TILER placement")
Let's remove it.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-10-02 09:36:56 +03:00
Chris Wilson
4ca8ca9fe7 drm/i915: Avoid compiler warning for maybe unused gu_misc_iir
/kisskb/src/drivers/gpu/drm/i915/i915_irq.c: warning: 'gu_misc_iir' may be used uninitialized in this function [-Wuninitialized]:  => 3120:10

Silence the compiler warning by ensuring that the local variable is
initialised and removing the guard that is confusing the older gcc.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: df0d28c185 ("drm/i915/icl: GSE interrupt moves from DE_MISC to GU_MISC")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926104718.17462-1-chris@chris-wilson.co.uk
(cherry picked from commit 7a90938332)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-10-01 10:19:05 -07:00
Anusha Srivatsa
bda6b1c957 drm/i915: Do not redefine the has_csr parameter.
Let us reuse the already defined has_csr check and not
redefine it.

The main difference is that in effect this will flip .has_csr to 1
(via GEN9_FEATURES which GEN11_FEATURES pulls in).

Suggested-by: Imre Deak <imre.deak@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=107382
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1534527210-16841-1-git-send-email-anusha.srivatsa@intel.com
(cherry picked from commit da4468a1aa)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-10-01 10:18:41 -07:00
Souptick Joarder
4fdce78ab9 drm/tilcdc: Convert drm_atomic_helper_suspend/resume()
convert drm_atomic_helper_suspend/resume() to use
drm_mode_config_helper_suspend/resume().

saved_state in tilcdc_drm_private will not be used
anymore, so it can be removed.

Signed-off-by: Ajit Negi <ajitn.linux@gmail.com>
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Tested-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
2018-10-01 15:52:29 +03:00
Christoph Manszewski
6ac99a328e drm/exynos: mixer: Make plane alpha configurable
The mixer hardware supports variable plane alpha. Currently planes are
opaque, make this configurable.

Tested on Odroid-U3 with Exynos 4412 CPU, kernel next-20180913
using modetest.

Signed-off-by: Christoph Manszewski <c.manszewski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2018-10-01 11:49:59 +09:00
Christoph Manszewski
482582c021 drm/exynos: mixer: Make pixel blend mode configurable
The mixer hardware supports both premultiplied alpha and
non-premultiplied alpha. Currently premultiplied alpha is default, make
this configurable.

Tested on Odroid-U3 with Exynos 4412 CPU, kernel next-20180913
using modetest.

Signed-off-by: Christoph Manszewski <c.manszewski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2018-10-01 11:49:57 +09:00
Christoph Manszewski
a9777267e3 drm/exynos: drm_plane: Correct exynos_drm_plane_reset
Make use of helper functions in exynos_drm_plane_reset in order to set
all default values. Currently alpha isn't set during reset.

Signed-off-by: Christoph Manszewski <c.manszewski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2018-10-01 11:49:53 +09:00
Marek Szyprowski
1feda5eb77 drm/exynos: Use selected dma_dev default iommu domain instead of a fake one
Instead of allocating a fake IOMMU domain for all Exynos DRM components,
simply reuse the default IOMMU domain of the already selected DMA device.
This allows some design changes in IOMMU framework without breaking IOMMU
support in Exynos DRM.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2018-10-01 09:25:31 +09:00
Marek Szyprowski
d25a40a7b3 drm/exynos: gsc: Add support for tiled formats
Add support for 16x16 tiled NV12 and NV21 formats.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2018-10-01 08:33:26 +09:00
Andrzej Pietrasiewicz
5fb652c282 drm/exynos: scaler: Add support for tiled formats
Add support for 16x16 tiled formats: NV12/NV21, YUYV and YUV420.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixed line over 80 characters warning
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2018-10-01 08:32:10 +09:00
Matthew Wilcox
3159f943aa xarray: Replace exceptional entries
Introduce xarray value entries and tagged pointers to replace radix
tree exceptional entries.  This is a slight change in encoding to allow
the use of an extra bit (we can now store BITS_PER_LONG - 1 bits in a
value entry).  It is also a change in emphasis; exceptional entries are
intimidating and different.  As the comment explains, you can choose
to store values or pointers in the xarray and they are both first-class
citizens.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Josef Bacik <jbacik@fb.com>
2018-09-29 22:47:49 -04:00
Thomas Hellstrom
e8c66efbfe drm/vmwgfx: Make user resource lookups reference-free during validation
Make the process of looking up a user resource and adding it to the
validation list reference-free unless when it's actually added to the
validation list where a single reference is taken.
This saves two locked atomic operations per command stream buffer object
handle lookup, unless there is a lookup cache hit.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2018-09-28 08:57:09 +02:00
Thomas Hellstrom
1b9a01d62c drm/vmwgfx: Don't refcount cotable lookups during command buffer validation
The typical pattern of these lookups are
-Lookup
-Put on validate list if not already there.
-Unreference
And since we are the exclusive user of the context during lookup time,
we can be sure that the resource will stay alive during the sequence.
So avoid taking a reference during lookup, and also avoid unreferencing
when done. There are two users outside of command buffer validation and
those are refcounted explicitly.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2018-09-28 08:57:08 +02:00
Thomas Hellstrom
508108ea27 drm/vmwgfx: Don't refcount command-buffer managed resource lookups during command buffer validation
The typical pattern of these lookups are
-Lookup
-Put on validate list if not already there.
-Unreference
And since we are the exclusive user of the context during lookup time,
we can be sure that the resource will stay alive during the sequence.
So avoid taking a reference during lookup, and also avoid unreferencing
when done.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2018-09-28 08:57:08 +02:00
Thomas Hellstrom
b139d43dac drm/vmwgfx: Make buffer object lookups reference-free during validation
Make the process of looking up a buffer object and adding it to the
validation list reference-free unless when it's actually added to the
validation list where a single reference is taken.
This saves two locked atomic operations per command stream buffer object
handle lookup.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2018-09-28 08:57:08 +02:00
Thomas Hellstrom
b733bc2e0a drm/vmwgfx: Look up user buffer objects without taking a reference
Identically to how we look up ttm base objects witout reference, provide
the same functionality to vmw user buffer objects which derive from them.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2018-09-28 08:57:07 +02:00
Thomas Hellstrom
64ad2abfe9 drm/vmwgfx: Adapt validation code for reference-free lookups
Adapt the validation code so that vmw_validation_add[res|bo] can be called
under an rcu read lock (non-sleeping) and with rcu-only protected resource-
or buffer object pointers.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2018-09-28 08:57:07 +02:00
Thomas Hellstrom
24dc64c1ba drm/ttm: Export ttm_bo_get_unless_zero()
Export ttm_bo_get_unless_zero() to be used when looking up buffer
objects that are removed from the lookup structure in the destructor.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2018-09-28 08:55:10 +02:00
Dave Airlie
87c2ee740c Merge branch 'drm-next-4.20' of git://people.freedesktop.org/~agd5f/linux into drm-next
More new features and fixes for 4.20:
- Add dynamic powergating support for VCN on picasso
- Scheduler cleanup
- Vega20 support for KFD
- DC cleanups and bug fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927184348.2696-1-alexander.deucher@amd.com
2018-09-28 09:48:40 +10:00
Dave Airlie
2de0b0a158 Merge tag 'drm/tegra/for-4.20-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v4.20-rc1

This contains initial Tegra194 support as well as a couple of fixes for
DMA/IOMMU integration.

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

From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927205051.30017-1-thierry.reding@gmail.com
2018-09-28 09:47:31 +10:00
Dave Airlie
db9825c954 Merge tag 'drm-intel-next-2018-09-21' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
Driver Changes:

- Bugzilla 107600: Fix stuttering video playback on MythTV on old hardware (Chris)
- Avoid black screen when using CSC coefficient matrix (Raviraj)
- Hammer PDs on Baytrail to make sure they reload (Chris)
- Capture some objects if unable to capture all, on error (Chris)
- Add W/A for 16 GB DIMMs on SKL+ (Mahesh)
- Only enable IPC for symmetric memory configurations on KBL+ (Mahesh)
- Assume pipe A to have maximum stride limits (Ville)
- Always update update OA contexts via context image (Tvrtko)
- Icelake enabling patches (Madhav, Dhinakaran)
- Add Icelake DMC firmware (Anusha)
- Fixes for CI found corner cases (Chris)
- Limit the backpressure for request allocation (Chris)
- Park GPU on module load so usage starts from known state (Chris)
- Flush tasklet when checking for idle (Chris)
- Use coherent write into the context image on BSW+ (Chris)
- Fix possible integer overflow for framebuffers that get aligned past 4GiB (Ville)
- Downgrade fence timeout from warn to notice and add debug hint (Chris)

- Fixes to multi function encoder code (Ville)
- Fix sprite plane check logic (Dan, Ville)
- PAGE_SIZE vs. I915_GTT_PAGE_SIZE fixes (Ville)
- Decode memory bandwidth and parameters for BXT and SKL+ (Mahesh)
- Overwrite BIOS set IPC value from KMS (Mahesh)
- Multiple pipe handling code cleanups/restructurings/optimizations (Ville)
- Spare low 4G address for non-48bit objects (Chris)
- Free context_setparam of struct_mutex (Chris)
- Delay updating ring register state on resume (Chris)
- Avoid unnecessarily copying overlay IOCTL parameters (Chris)
- Update GuC power domain states even without submission (Michal)
- Restore GuC preempt-context across S3/S4 (Chris)
- Add kernel selftest for rapid context switching (Chris)
- Keep runtime power management ref for live selftests (Chris)
- GEM code cleanups (Matt)

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

From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927095933.GA11458@jlahtine-desk.ger.corp.intel.com
2018-09-28 09:37:55 +10:00
Dave Airlie
fcb1349a2a Merge branch 'drm-fixes-4.19' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Just a few fixes for 4.19:
- Couple of suspend/resume fixes
- Fix EDID emulation with DC

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927155418.2813-1-alexander.deucher@amd.com
2018-09-28 09:30:22 +10:00
Dave Airlie
adba0e5493 Merge tag 'drm-misc-fixes-2018-09-27-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
- Revert adding device-link to panels
- Don't leak fences in drm/syncobj

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

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927152712.GA53076@art_vandelay
2018-09-28 09:25:56 +10:00
Bhawanpreet Lakha
fbbdadf2fa drm/amd/display: Fix Edid emulation for linux
[Why]
EDID emulation didn't work properly for linux, as we stop programming
if nothing is connected physically.

[How]
We get a flag from DRM when we want to do edid emulation. We check if
this flag is true and nothing is connected physically, if so we only
program the front end using VIRTUAL_SIGNAL.

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-09-27 10:05:21 -05:00
Roman Li
599760d6d0 drm/amd/display: Fix Vega10 lightup on S3 resume
[Why]
There have been a few reports of Vega10 display remaining blank
after S3 resume. The regression is caused by workaround for mode
change on Vega10 - skip set_bandwidth if stream count is 0.
As a result we skipped dispclk reset on suspend, thus on resume
we may skip the clock update assuming it hasn't been changed.
On some systems it causes display blank or 'out of range'.

[How]
Revert "drm/amd/display: Fix Vega10 black screen after mode change"
Verified that it hadn't cause mode change regression.

Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-09-27 10:03:12 -05:00
Rex Zhu
61ea6f5831 drm/amdgpu: Fix vce work queue was not cancelled when suspend
The vce cancel_delayed_work_sync never be called.
driver call the function in error path.

This caused the A+A suspend hang when runtime pm enebled.
As we will visit the smu in the idle queue. this will cause
smu hang because the dgpu has been suspend, and the dgpu also
will be waked up. As the smu has been hang, so the dgpu resume
will failed.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-09-27 10:01:20 -05:00
Linus Walleij
d6a77ba0eb Revert "drm/panel: Add device_link from panel device to DRM device"
This reverts commit 0c08754b59.

commit 0c08754b59
("drm/panel: Add device_link from panel device to DRM device")
creates a circular dependency under these circumstances:

1. The panel depends on dsi-host because it is MIPI-DSI child
   device.
2. dsi-host depends on the drm parent device (connector->dev->dev)
   this should be allowed.
3. drm parent dev (connector->dev->dev) depends on the panel
   after this patch.

This makes the dependency circular and while it appears it
does not affect any in-tree drivers (they do not seem to have
dsi hosts depending on the same parent device) this does not
seem right.

As noted in a response from Andrzej Hajda, the intent is
likely to make the panel dependent on the DRM device
(connector->dev) not its parent. But we have no way of
doing that since the DRM device doesn't contain any
struct device on its own (arguably it should).

Revert this until a proper approach is figured out.

Cc: Jyri Sarha <jsarha@ti.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927124130.9102-1-linus.walleij@linaro.org
2018-09-27 11:00:42 -04:00
Nayan Deshmukh
6a96243056 drm/scheduler: remove timeout work_struct from drm_sched_job (v3)
having a delayed work item per job is redundant as we only need one
per scheduler to track the time out the currently executing job.

v2: the first element of the ring mirror list is the currently
executing job so we don't need a additional variable for it

v3: squash in fixes for v3d and etnaviv

Signed-off-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-09-27 09:55:45 -05:00
Nathan Chancellor
3ea81f7125 drm/amd/powerplay: Change id parameter type in pp_atomfwctrl_get_clk_information_by_clkid
Clang generates warnings when one enumerated type is implicitly
converted to another.

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c:532:57:
warning: implicit conversion from enumeration type 'enum
atom_smu11_syspll0_clock_id' to different enumeration type 'BIOS_CLKID'
      (aka 'enum atom_smu9_syspll0_clock_id') [-Wenum-conversion]
        if (!pp_atomfwctrl_get_clk_information_by_clkid(hwmgr,
SMU11_SYSPLL0_SOCCLK_ID, &frequency))

In this case, that is expected behavior. To make that clear to Clang
without explicitly casting these values, change id's type to uint8_t
in pp_atomfwctrl_get_clk_information_by_clkid so no conversion happens.

Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-09-27 09:40:09 -05:00