On Tue, May 28, 2019 at 06:02:45PM +0100, Catalin Marinas wrote:
> On Thu, May 23, 2019 at 02:31:16PM -0700, Kees Cook wrote:
> > syzkaller already attempts to randomly inject non-canonical and
> > 0x addresses for user pointers in syscalls in an effort to
> > find bugs like CVE-2017-51
https://bugzilla.kernel.org/show_bug.cgi?id=203779
Bug ID: 203779
Summary: drm:amdgpu_ib_ring_tests [amdgpu] *ERROR* IB test
failed on gfx (-110)
Product: Drivers
Version: 2.5
Kernel Version: 5.1.6
Hardware: x86-64
On Sat, 1 Jun 2019, Greg Kroah-Hartman wrote:
> On Sat, Jun 01, 2019 at 09:25:48AM -0400, Sasha Levin wrote:
> > From: Kangjie Lu
> >
> > [ Upstream commit 1d84353d205a953e2381044953b7fa31c8c9702d ]
> > ...
>
> Why only 4.4.y? Shouldn't this be queued up for everything or none?
>
> thanks,
>
On 30/05/2019 14:30:19+0200, Bartlomiej Zolnierkiewicz wrote:
> Add COMPILE_TEST support to atmel_lcdfb driver for better compile
> testing coverage.
>
> While at it fix improper use of UL (to silence build warnings on
> x86_64).
>
> Cc: Alexandre Belloni
Acked-by: Alexandre Belloni
> Cc: Ludo
On Sat, Jun 01, 2019 at 09:25:48AM -0400, Sasha Levin wrote:
> From: Kangjie Lu
>
> [ Upstream commit 1d84353d205a953e2381044953b7fa31c8c9702d ]
>
> In case ioremap fails, the fix releases resources and returns
> -ENOMEM to avoid NULL pointer dereferences.
>
> Signed-off-by: Kangjie Lu
> Cc: A
https://bugs.freedesktop.org/show_bug.cgi?id=110807
--- Comment #1 from Alexander Mezin ---
No, I was wrong, it's not happening on 19.1.0-rc4.
Only 19.0.5 seems to be affected
--
You are receiving this mail because:
You are the assignee for the bug.__
https://bugs.freedesktop.org/show_bug.cgi?id=110807
Bug ID: 110807
Summary: Regression: artifacts in Chromium after mesa 19.0.5
update
Product: Mesa
Version: 19.0
Hardware: Other
OS: All
Status:
From: Shile Zhang
[ Upstream commit cf84807f6dd0be5214378e66460cfc9187f532f9 ]
To fix following divide-by-zero error found by Syzkaller:
divide error: [#1] SMP PTI
CPU: 7 PID: 8447 Comm: test Kdump: loaded Not tainted 4.19.24-8.al7.x86_64 #1
Hardware name: Alibaba Cloud Alibaba Cloud
From: Yifeng Li
[ Upstream commit 9e0e59993df0601cddb95c4f6c61aa3d5e753c00 ]
On a Thinkpad s30 (Pentium III / i440MX, Lynx3DM), running fbtest or X
will crash the machine instantly, because the VRAM/framebuffer is not
mapped correctly.
On SM712, the framebuffer starts at the beginning of addres
From: Yifeng Li
[ Upstream commit 8069053880e0ee3a75fd6d7e0a30293265fe3de4 ]
On a Thinkpad s30 (Pentium III / i440MX, Lynx3DM), rebooting with
sm712fb framebuffer driver would cause a white screen of death on
the next POST, presumably the proper timings for the LCD panel was
not reprogrammed pro
From: Yifeng Li
[ Upstream commit ec1587d5073f29820e358f3a383850d61601d981 ]
When the machine is booted in VGA mode, loading sm712fb would cause
a glitch of random pixels shown on the screen. To prevent it from
happening, we first clear the entire framebuffer, and we also need
to stop calling sm
From: Yifeng Li
[ Upstream commit 5481115e25e42b9215f2619452aa99c95f08492f ]
On a Thinkpad s30 (Pentium III / i440MX, Lynx3DM), rebooting with
sm712fb framebuffer driver would cause the role of brightness up/down
button to swap.
Experiments showed the FPR30 register caused this behavior. Moreov
From: Yifeng Li
[ Upstream commit f627caf55b8e735dcec8fa6538e9668632b55276 ]
On a Thinkpad s30 (Pentium III / i440MX, Lynx3DM), blanking the display
or starting the X server will crash and freeze the system, or garble the
display.
Experiments showed this problem can mostly be solved by adjustin
From: Kangjie Lu
[ Upstream commit 1d84353d205a953e2381044953b7fa31c8c9702d ]
In case ioremap fails, the fix releases resources and returns
-ENOMEM to avoid NULL pointer dereferences.
Signed-off-by: Kangjie Lu
Cc: Aditya Pakki
Cc: Finn Thain
Cc: Rob Herring
Cc: Greg Kroah-Hartman
[b.zolnie
From: Kangjie Lu
[ Upstream commit ec7f6aad57ad29e4e66cc2e18e1e1599ddb02542 ]
When ioremap fails, hga_vram should not be dereferenced. The fix
check the failure to avoid NULL pointer dereference.
Signed-off-by: Kangjie Lu
Cc: Aditya Pakki
Cc: Ferenc Bakonyi
[b.zolnierkie: minor patch summary
From: Jiufei Xue
[ Upstream commit 8c40292be9169a9cbe19aadd1a6fc60cbd1af82f ]
Syzkaller hit 'WARNING in __alloc_pages_nodemask' bug.
WARNING: CPU: 1 PID: 1473 at mm/page_alloc.c:4377
__alloc_pages_nodemask+0x4da/0x2130
Kernel panic - not syncing: panic_on_warn set ...
Call Trace:
alloc_pages_
From: Matt Redfearn
[ Upstream commit 67793bd3b3948dc8c8384b6430e036a30a0ecb43 ]
The driver currently sets register 0xfb (Low Refresh Rate) based on the
value of mode->vrefresh. Firstly, this field is specified to be in Hz,
but the magic numbers used by the code are Hz * 1000. This essentially
l
From: Matt Redfearn
[ Upstream commit 67793bd3b3948dc8c8384b6430e036a30a0ecb43 ]
The driver currently sets register 0xfb (Low Refresh Rate) based on the
value of mode->vrefresh. Firstly, this field is specified to be in Hz,
but the magic numbers used by the code are Hz * 1000. This essentially
l
From: Matt Redfearn
[ Upstream commit 67793bd3b3948dc8c8384b6430e036a30a0ecb43 ]
The driver currently sets register 0xfb (Low Refresh Rate) based on the
value of mode->vrefresh. Firstly, this field is specified to be in Hz,
but the magic numbers used by the code are Hz * 1000. This essentially
l
From: Ben Skeggs
[ Upstream commit 13d03e9daf70dab032c03dc172e75bb98ad899c4 ]
Where possible, we want the failsafe link configuration (one which won't
hang the OR during modeset because of not enough bandwidth for the mode)
to also be supported by the sink.
This prevents "link rate unsupported
From: Matt Redfearn
[ Upstream commit 67793bd3b3948dc8c8384b6430e036a30a0ecb43 ]
The driver currently sets register 0xfb (Low Refresh Rate) based on the
value of mode->vrefresh. Firstly, this field is specified to be in Hz,
but the magic numbers used by the code are Hz * 1000. This essentially
l
From: Ben Skeggs
[ Upstream commit 13d03e9daf70dab032c03dc172e75bb98ad899c4 ]
Where possible, we want the failsafe link configuration (one which won't
hang the OR during modeset because of not enough bandwidth for the mode)
to also be supported by the sink.
This prevents "link rate unsupported
From: Ben Skeggs
[ Upstream commit a0b694d0af21c9993d1a39a75fd814bd48bf7eb4 ]
HW has error checks in place which check that pixel depth is explicitly
provided on DP, while HDMI has a "default" setting that we use.
In multi-display configurations with identical modelines, but different
protocols
From: Ben Skeggs
[ Upstream commit d2434e4d942c32cadcbdbcd32c58f35098f3b604 ]
Cursor position updates were accidentally causing us to attempt to interlock
window with window immediate, and without a matching window immediate update,
NVDisplay could hang forever in some circumstances.
Fixes susp
From: Guenter Roeck
[ Upstream commit 3e01ae2612bdd7975c74ec7123d7f8f5e6eed795 ]
The following warning is seen on systems with broken clock divider.
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID:
From: Ben Skeggs
[ Upstream commit a0b694d0af21c9993d1a39a75fd814bd48bf7eb4 ]
HW has error checks in place which check that pixel depth is explicitly
provided on DP, while HDMI has a "default" setting that we use.
In multi-display configurations with identical modelines, but different
protocols
From: Ben Skeggs
[ Upstream commit d2434e4d942c32cadcbdbcd32c58f35098f3b604 ]
Cursor position updates were accidentally causing us to attempt to interlock
window with window immediate, and without a matching window immediate update,
NVDisplay could hang forever in some circumstances.
Fixes susp
From: Ben Skeggs
[ Upstream commit 13d03e9daf70dab032c03dc172e75bb98ad899c4 ]
Where possible, we want the failsafe link configuration (one which won't
hang the OR during modeset because of not enough bandwidth for the mode)
to also be supported by the sink.
This prevents "link rate unsupported
From: Matt Redfearn
[ Upstream commit 67793bd3b3948dc8c8384b6430e036a30a0ecb43 ]
The driver currently sets register 0xfb (Low Refresh Rate) based on the
value of mode->vrefresh. Firstly, this field is specified to be in Hz,
but the magic numbers used by the code are Hz * 1000. This essentially
l
From: Brian Masney
[ Upstream commit 90f94660e53189755676543954101de78c26253b ]
msm_gem_describe() would attempt to dereference a NULL pointer via the
address space pointer when no IOMMU is present. Correct this by adding
the appropriate check.
Signed-off-by: Brian Masney
Fixes: 575f0485508b (
From: Guenter Roeck
[ Upstream commit 3e01ae2612bdd7975c74ec7123d7f8f5e6eed795 ]
The following warning is seen on systems with broken clock divider.
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID:
From: Andreas Schwab
[ Upstream commit 3c5a1b111373e669c8220803464c3a508a87e254 ]
When the logo is currently drawn on a virtual console, and the console
loglevel is reduced to quiet, logo_shown must be left alone, so that it
the scrolling region on that virtual console is properly reset.
Fixes:
From: Ben Skeggs
[ Upstream commit d2434e4d942c32cadcbdbcd32c58f35098f3b604 ]
Cursor position updates were accidentally causing us to attempt to interlock
window with window immediate, and without a matching window immediate update,
NVDisplay could hang forever in some circumstances.
Fixes susp
From: Matt Redfearn
[ Upstream commit 67793bd3b3948dc8c8384b6430e036a30a0ecb43 ]
The driver currently sets register 0xfb (Low Refresh Rate) based on the
value of mode->vrefresh. Firstly, this field is specified to be in Hz,
but the magic numbers used by the code are Hz * 1000. This essentially
l
From: Ben Skeggs
[ Upstream commit 13d03e9daf70dab032c03dc172e75bb98ad899c4 ]
Where possible, we want the failsafe link configuration (one which won't
hang the OR during modeset because of not enough bandwidth for the mode)
to also be supported by the sink.
This prevents "link rate unsupported
From: Ben Skeggs
[ Upstream commit a0b694d0af21c9993d1a39a75fd814bd48bf7eb4 ]
HW has error checks in place which check that pixel depth is explicitly
provided on DP, while HDMI has a "default" setting that we use.
In multi-display configurations with identical modelines, but different
protocols
From: Peteris Rudzusiks
[ Upstream commit c4a52d669690423ee3c99d8eda1e69cd0821fcad ]
nv50_head_atomic_duplicate_state() makes a copy of nv50_head_atom
struct. This patch adds copying of struct member named "or", which
previously was left uninitialized in the duplicated structure.
Due to this bu
From: Guenter Roeck
[ Upstream commit 3e01ae2612bdd7975c74ec7123d7f8f5e6eed795 ]
The following warning is seen on systems with broken clock divider.
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID:
From: Brian Masney
[ Upstream commit 90f94660e53189755676543954101de78c26253b ]
msm_gem_describe() would attempt to dereference a NULL pointer via the
address space pointer when no IOMMU is present. Correct this by adding
the appropriate check.
Signed-off-by: Brian Masney
Fixes: 575f0485508b (
This patch add mt8183 mipi_tx driver.
And also support other chips that use the same binding and driver.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/Makefile | 1 +
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 2 +
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 1
Changes since v3:
- turn off PLL before setting PLL parameters.
Changes since v2:
- update Acked-by: Rob Herring
- update mt8183 max bit rate support
Changes since v1:
- update dt-bindings document for mt8183 mipitx.
- remove mtk_mipitx_clk_get_ops and assign clk_ops in probe.
- fix the li
Update device tree binding documentation for the dsi for
Mediatek MT8183 SoCs.
Signed-off-by: Jitao Shi
Acked-by: Rob Herring
---
Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
a/Documentation/devicetree/bin
Different IC has different mipi_tx setting of dsi.
This patch separates the mipi_tx hardware relate part for mt8173.
Signed-off-by: Jitao Shi
Reviewed-by: CK Hu
---
drivers/gpu/drm/mediatek/Makefile | 1 +
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 343 ++-
Our new DSI chip has frame size control.
So add the driver data to control for different chips.
Signed-off-by: Jitao Shi
Reviewed-by: CK Hu
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/media
Config the different CMDQ reg address in driver data.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 29 -
1 file changed, 24 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/mediatek/mtk_dsi.c
index
Change the method of frame rate calc which can get more accurate
frame rate.
data rate = pixel_clock * bit_per_pixel / lanes
Adjust hfp_wc to adapt the additional phy_data
if MIPI_DSI_MODE_VIDEO_BURST
hfp_wc = hfp * bpp - data_phy_cycles * lanes - 12 - 6;
else
hfp_wc = hfp * bpp -
New DSI IP has shadow register and working reg. The register
values are writen to shadow register. And then trigger with
commit reg, the register values will be moved working register.
This fucntion is defualt on. But this driver doesn't use this
function. So add the disable control.
Signed-off-b
changes since v3
- add one more 'tab' for bitwise define.
- add Tested-by: Ryan Case
and Reviewed-by: CK Hu .
- remove compare da_hs_zero to da_hs_prepare.
Changes since v2:
- change the video timing calc method
- fine the dsi and mipitx init sequence
- fine tune commit msg
Changes
DSI panel driver need attach function which is inculde in
mipi_dsi_host_ops.
If mipi_dsi_host_register is not in probe, dsi panel will
probe more delay.
So move the mipi_dsi_host_register to probe from bind.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 50 +
mtk_mipi_tx is the phy of mtk_dsi.
mtk_dsi get the phy(mtk_mipi_tx) in probe().
So, mtk_mipi_tx init should be ahead of mtk_dsi. Or mtk_dsi will
defer to wait mtk_mipi_tx probe done.
Signed-off-by: Jitao Shi
Reviewed-by: CK Hu
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 +-
1 file changed,
Add mt8183 dsi driver data. Enable size control and
reg commit control.
Signed-off-by: Jitao Shi
Reviewed-by: CK Hu
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 8
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 1
On Fri, 31 May 2019 14:54:54 +0200
Tomeu Vizoso wrote:
> On Wed, 29 May 2019 at 11:18, Boris Brezillon
> wrote:
> >
> > mmu_ops->unmap() will fail when called on a BO that has not been
> > previously mapped, and the error path in panfrost_ioctl_create_bo()
> > can call drm_gem_object_put_unlocke
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