Re: [PATCH] drm/tegra: submit: No need for Null pointer check before kfree

On Wed, Dec 28, 2022 at 03:17:59PM +0200, Mikko Perttunen wrote: > On 12/28/22 15:08, Deepak R Varma wrote: > > On Wed, Dec 28, 2022 at 02:28:54PM +0200, Mikko Perttunen wrote: > > > On 12/27/22 19:14, Deepak R Varma wrote: > > > > kfree() & vfree() internally perform NULL check on the pointer hand

[PULL] drm-intel-fixes

Hi Dave and Daniel, Here goes the initial fixes for 6.2. The most critical ones seems to be the evict fix from Matt and the MIPI DSI from Jani. Both targeting stable trees. I'm sorry for sending this on a Friday and not on a Thursday as usual. Where did this week go? Worst case this wait one wee

Re: [PATCH] drm/tegra: submit: No need for Null pointer check before kfree

On 12/30/22 11:15, Stanislaw Gruszka wrote: On Wed, Dec 28, 2022 at 03:17:59PM +0200, Mikko Perttunen wrote: On 12/28/22 15:08, Deepak R Varma wrote: On Wed, Dec 28, 2022 at 02:28:54PM +0200, Mikko Perttunen wrote: On 12/27/22 19:14, Deepak R Varma wrote: kfree() & vfree() internally perform

Re: [PATCH] drm/tegra: submit: No need for Null pointer check before kfree

On 12/30/22 12:01, Mikko Perttunen wrote: On 12/30/22 11:15, Stanislaw Gruszka wrote: On Wed, Dec 28, 2022 at 03:17:59PM +0200, Mikko Perttunen wrote: On 12/28/22 15:08, Deepak R Varma wrote: On Wed, Dec 28, 2022 at 02:28:54PM +0200, Mikko Perttunen wrote: On 12/27/22 19:14, Deepak R Varma wr

Re: [PATCH] drm/tegra: submit: No need for Null pointer check before kfree

On Fri, Dec 30, 2022 at 12:01:23PM +0200, Mikko Perttunen wrote: > On 12/30/22 11:15, Stanislaw Gruszka wrote: > > On Wed, Dec 28, 2022 at 03:17:59PM +0200, Mikko Perttunen wrote: > > > On 12/28/22 15:08, Deepak R Varma wrote: > > > > On Wed, Dec 28, 2022 at 02:28:54PM +0200, Mikko Perttunen wrote:

Re: [RFC PATCH 04/20] drm/sched: Convert drm scheduler to use a work queue rather than kthread

Hello Matthew, On Thu, 22 Dec 2022 14:21:11 -0800 Matthew Brost wrote: > In XE, the new Intel GPU driver, a choice has made to have a 1 to 1 > mapping between a drm_gpu_scheduler and drm_sched_entity. At first this > seems a bit odd but let us explain the reasoning below. > > 1. In XE the submi

[RFC] TTM shrinking revisited

Hi, Christian, others. I'm starting to take a look at the TTM shrinker again. We'll probably be needing it at least for supporting integrated hardware with the xe driver. So assuming that the last attempt failed because of the need to allocate shmem pages and lack of writeback at shrink time, I w

[RFC PATCH 1/1] mm: Add interfaces to back up and recover folio contents using swap

GPU drivers have traditionally used shmem to back up GPU buffer contents for swap on physical memory shortage. Some integrated GPU drivers use shmem files as the backing storage for their GPU buffers, other drivers, in particular drivers that need a Write-Combining caching strategy on system pages,

[PATCH v4 1/4] dt-bindings: display: Add Himax HX8394 panel controller

Add device tree bindings for panels based on the Himax HX8394 controller, such as the HannStar HSD060BHW4 720x1440 TFT LCD panel that is connected through a MIPI-DSI video interface. Signed-off-by: Javier Martinez Canillas Reviewed-by: Krzysztof Kozlowski --- Changes in v4: - Add fallback "hima

[PATCH v4 0/4] Add PinePhone Pro display support

This series add support for the display present in the PinePhone Pro. Patch #1 adds a driver for panels using the Himax HX8394 panel controller, such as the HSD060BHW4 720x1440 TFT LCD panel present in the PinePhone Pro. Patch #2 adds a devicetree binding schema for this driver and patch #3 adds

[PATCH v4 4/4] arm64: dts: rk3399-pinephone-pro: Add internal display support

From: Ondrej Jirman The phone's display is using Hannstar LCD panel, and Goodix based touchscreen. Support it. Signed-off-by: Ondrej Jirman Co-developed-by: Martijn Braam Signed-off-by: Martijn Braam Co-developed-by: Kamil Trzciński Signed-off-by: Kamil Trzciński Signed-off-by: Javier Marti

[PATCH v4 2/4] drm: panel: Add Himax HX8394 panel controller driver

From: Kamil Trzciński The driver is for panels based on the Himax HX8394 controller, such as the HannStar HSD060BHW4 720x1440 TFT LCD panel that uses a MIPI-DSI interface. Signed-off-by: Kamil Trzciński Co-developed-by: Ondrej Jirman Signed-off-by: Ondrej Jirman Co-developed-by: Javier Martin

[PATCH v4 3/4] MAINTAINERS: Add entry for Himax HX8394 panel controller driver

Add myself as maintainer for the driver and devicetree bindings schema. Signed-off-by: Javier Martinez Canillas Acked-by: Sam Ravnborg --- Changes in v4: - Add Sam Ravnborg's Acked-by tag. MAINTAINERS | 7 +++ 1 file changed, 7 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 7

Re: [RFC PATCH 04/20] drm/sched: Convert drm scheduler to use a work queue rather than kthread

On Fri, 30 Dec 2022 11:20:42 +0100 Boris Brezillon wrote: > Hello Matthew, > > On Thu, 22 Dec 2022 14:21:11 -0800 > Matthew Brost wrote: > > > In XE, the new Intel GPU driver, a choice has made to have a 1 to 1 > > mapping between a drm_gpu_scheduler and drm_sched_entity. At first this > > see

Re: [PATCH] drm/vc4: drop all currently held locks if deadlock happens

Hi Maíra, Am 29.12.22 um 20:46 schrieb Maíra Canal: If vc4_hdmi_reset_link() returns -EDEADLK, it means that a deadlock happened in the locking context. This situation should be addressed by dropping all currently held locks and block until the contended lock becomes available. Currently, vc4 is

[PATCH 2/2] drm/imx/dcss: Don't call dev_set_drvdata(..., NULL);

The driver core takes care about removing driver data, so this can be dropped from the driver. Signed-off-by: Uwe Kleine-König --- drivers/gpu/drm/imx/dcss/dcss-drv.c | 4 1 file changed, 4 deletions(-) diff --git a/drivers/gpu/drm/imx/dcss/dcss-drv.c b/drivers/gpu/drm/imx/dcss/dcss-drv.c

[PATCH 1/2] drm/imx/dcss: Drop if blocks with always false condition

dcss_drv_platform_remove() is only called for a device after dcss_drv_platform_probe() returned 0. In that case dev_set_drvdata() was called with a non-NULL value and so dev_get_drvdata() won't return NULL. Signed-off-by: Uwe Kleine-König --- drivers/gpu/drm/imx/dcss/dcss-drv.c | 3 --- 1 file c

[PATCH v3] arch: rename all internal names __xchg to __arch_xchg

__xchg will be used for non-atomic xchg macro. Signed-off-by: Andrzej Hajda Reviewed-by: Arnd Bergmann --- v2: squashed all arch patches into one v3: fixed alpha/xchg_local, thx to l...@intel.com --- arch/alpha/include/asm/cmpxchg.h | 8 arch/arc/include/asm/cmpxchg.h | 4 ++-

[PATCH] drm/bridge: tc358767: Use devm_clk_get_enabled() helper

The devm_clk_get_enabled() helper: - calls devm_clk_get() - calls clk_prepare_enable() and registers what is needed in order to call clk_disable_unprepare() when needed, as a managed resource. This simplifies the code and avoids the need of a dedicated function used with devm_add_action

[PATCH v4 00/11] Enable Display for SM8350

Dependencies: https://lore.kernel.org/all/20221102231309.583587-1-dmitry.barysh...@linaro.org/ https://lore.kernel.org/all/20221024164225.3236654-1-dmitry.barysh...@linaro.org/ https://lore.kernel.org/all/20221104130324.1024242-5-dmitry.barysh...@linaro.org/ Branch: https://git.linaro.org/people/r

[PATCH v4 01/11] dt-bindings: display: msm: Add qcom, sm8350-dpu binding

Mobile Display Subsystem (MDSS) encapsulates sub-blocks like DPU display controller, DSI etc. Add YAML schema for DPU device tree bindings Signed-off-by: Robert Foss Reviewed-by: Rob Herring --- .../bindings/display/msm/qcom,sm8350-dpu.yaml | 120 ++ 1 file changed, 120 insertio

[PATCH v4 04/11] drm/msm/dpu: Add support for SM8350

Add compatibles string, "qcom,sm8350-dpu", for the display processing unit used on Qualcomm SM8350 platform. Signed-off-by: Robert Foss --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/d

[PATCH v4 03/11] drm/msm/dpu: Add SM8350 to hw catalog

Add compatibility for SM8350 display subsystem, including required entries in DPU hw catalog. Signed-off-by: Robert Foss Reviewed-by: Dmitry Baryshkov --- .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c| 195 ++ .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h| 1 + 2 files chang

[PATCH v4 08/11] arm64: dts: qcom: sm8350: Use 2 interconnect cells

Use two interconnect cells in order to optionally support a path tag. Signed-off-by: Robert Foss Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sm8350.dtsi | 28 ++-- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sm8350

[PATCH v4 06/11] arm64: dts: qcom: sm8350: Add &tlmm gpio-line-names

Add GPIO line names as described by the sm8350-hdk schematic. Signed-off-by: Robert Foss --- arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 205 1 file changed, 205 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts

[PATCH v4 05/11] drm/msm: Add support for SM8350

Add compatibles string, "qcom,sm8350-mdss", for the multimedia display subsystem unit used on Qualcomm SM8350 platform. Signed-off-by: Robert Foss Reviewed-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/msm_mdss.c | 5 + 1 file changed, 5 insertions(+) diff --git

[PATCH v4 09/11] arm64: dts: qcom: sm8350: Add display system nodes

Add mdss, mdss_mdp, dsi0, dsi0_phy nodes. With these nodes the display subsystem is configured to support one DSI output. Signed-off-by: Robert Foss --- arch/arm64/boot/dts/qcom/sm8350.dtsi | 297 ++- 1 file changed, 293 insertions(+), 4 deletions(-) diff --git a/arch/ar

[PATCH v4 10/11] arm64: dts: qcom: sm8350-hdk: Enable display & dsi nodes

Enable the display subsystem and the dsi0 output for the sm8350-hdk board. Signed-off-by: Robert Foss --- arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 22 ++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350

[PATCH v4 11/11] arm64: dts: qcom: sm8350-hdk: Enable lt9611uxc dsi-hdmi bridge

The sm8350-hdk ships with the LT9611 UXC DSI/HDMI bridge chip. In order to toggle the board to enable the HDMI output, switch #7 & #8 on the rightmost multi-switch package have to be toggled to On. Signed-off-by: Robert Foss --- arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 105

[PATCH v4 02/11] dt-bindings: display: msm: Add qcom, sm8350-mdss binding

Mobile Display Subsystem (MDSS) encapsulates sub-blocks like DPU display controller, DSI etc. Add YAML schema for MDSS device tree bindings Signed-off-by: Robert Foss Reviewed-by: Rob Herring --- .../display/msm/qcom,sm8350-mdss.yaml | 221 ++ 1 file changed, 221 inserti

[PATCH v4 07/11] arm64: dts: qcom: sm8350: Remove mmxc power-domain-name

The mmxc power-domain-name is not required, and is not used by either earlier or later SoC versions (sm8250 / sm8450). Signed-off-by: Robert Foss Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sm8350.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sm835

Re: [PATCH] drm/bridge: tc358767: Use devm_clk_get_enabled() helper

On 30.12.2022 16:29, Christophe JAILLET wrote: The devm_clk_get_enabled() helper: - calls devm_clk_get() - calls clk_prepare_enable() and registers what is needed in order to call clk_disable_unprepare() when needed, as a managed resource. This simplifies the code and avoids the

Re: [PATCH] drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller

On 28.12.2022 15:57, Wadim Egorov wrote: Switch to gpiod_set_value_cansleep() in sii902x_reset(). This is relevant if the reset line is tied to a I2C GPIO controller. Signed-off-by: Wadim Egorov Reviewed-by: Andrzej Hajda Regards Andrzej --- drivers/gpu/drm/bridge/sii902x.c | 4 ++--

Re: [PATCH v4 3/4] MAINTAINERS: Add entry for Himax HX8394 panel controller driver

Hello, On Fri, Dec 30, 2022 at 12:31:53PM +0100, Javier Martinez Canillas wrote: > Add myself as maintainer for the driver and devicetree bindings schema. > > Signed-off-by: Javier Martinez Canillas > Acked-by: Sam Ravnborg > --- > > Changes in v4: > - Add Sam Ravnborg's Acked-by tag. > > MA

Re: [PATCH v4 4/4] arm64: dts: rk3399-pinephone-pro: Add internal display support

Hi Javier, On Fri, Dec 30, 2022 at 12:31:54PM +0100, Javier Martinez Canillas wrote: > From: Ondrej Jirman > > The phone's display is using Hannstar LCD panel, and Goodix based > touchscreen. Support it. > > Signed-off-by: Ondrej Jirman > Co-developed-by: Martijn Braam > Signed-off-by: Martij

Re: [PATCH v4 2/4] drm: panel: Add Himax HX8394 panel controller driver

Hi Javier, On Fri, Dec 30, 2022 at 12:31:52PM +0100, Javier Martinez Canillas wrote: > From: Kamil Trzciński > > The driver is for panels based on the Himax HX8394 controller, such as the > HannStar HSD060BHW4 720x1440 TFT LCD panel that uses a MIPI-DSI interface. I see you've removed debug pri

[drm-tip:drm-tip 7/20] drivers/gpu/drm/i915/gem/i915_gem_shmem.c:241:34: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t' {aka 'unsigned int'}

tree: git://anongit.freedesktop.org/drm/drm-tip drm-tip head: 91195847031b60062eb046b8bb0c9e64a2291e10 commit: c3bfba9a222550406082c92bbabc9c8b1355d8b8 [7/20] drm/i915: Check for integer truncation on scatterlist creation config: i386-defconfig compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reprodu

[PATCH v2] drm/bridge: tc358767: Use devm_clk_get_enabled() helper

The devm_clk_get_enabled() helper: - calls devm_clk_get() - calls clk_prepare_enable() and registers what is needed in order to call clk_disable_unprepare() when needed, as a managed resource. This simplifies the code and avoids the need of a dedicated function used with devm_add_action

Re: [PATCH v4 08/11] arm64: dts: qcom: sm8350: Use 2 interconnect cells

On 30/12/2022 16:35, Robert Foss wrote: > Use two interconnect cells in order to optionally > support a path tag. > > Signed-off-by: Robert Foss > Reviewed-by: Konrad Dybcio > --- > arch/arm64/boot/dts/qcom/sm8350.dtsi | 28 ++-- > 1 file changed, 14 insertions(+), 14 de

Re: [PATCH v4 07/11] arm64: dts: qcom: sm8350: Remove mmxc power-domain-name

On 30/12/2022 16:35, Robert Foss wrote: > The mmxc power-domain-name is not required, and is not > used by either earlier or later SoC versions (sm8250 / sm8450). > > Signed-off-by: Robert Foss > Reviewed-by: Konrad Dybcio > --- Please, do not mix fixes, cleanups and new features. This delays a

Re: [PATCH v3 02/21] dt-bindings: display: tegra: vi: add 'vip' property and example

On Thu, 29 Dec 2022 14:31:46 +0100, Luca Ceresoli wrote: > The Tegra20 VI peripheral can receive parallel input from the VIP parallel > input module. Add it to the allowed properties and augment the existing > nvidia,tegra20-vi example to show a 'vip' property. > > Reviewed-by: Krzysztof Kozlows

[PATCH] drm/i915: Use "%zu" to format size_t

Switch to %zu for printing size_t which will fix compilation warning for 32-bit build. Reported-by: kernel test robot Signed-off-by: Nirmoy Das --- drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shm

Re: [PATCH] drm: amd: display: fix dc/core/dc.c kernel-doc

On 12/28/22 20:00, Randy Dunlap wrote: Fix all kernel-doc warnings in dc/core/dc.c: dc.c:385: warning: missing initial short description on line: * dc_stream_adjust_vmin_vmax: dc.c:392: warning: contents before sections dc.c:399: warning: No description found for return value of 'dc_stream_a

[PATCH] drm/msm: another fix for the headless Adreno GPU

Fix another oops reproducible when rebooting the board with the Adreno GPU wokring in the headless mode (e.g. iMX platforms). Unable to handle kernel NULL pointer dereference at virtual address when read [] *pgd=74936831, *pte=, *ppte= Internal error: Oops: 17 [#1