Hi Piotr，
Tested on top of Linux 6.12-rc5 with rk3566-box-demo in a buildroot +
weston environment:
weston --backend=drm-backend.so -i 0 --continue-without-input
weston-simple-egl
simple-egl will draw a triangle on the desktop.
After the patch applied，the triangle will flicker
On 10/25/2024 11:47 PM, Konrad Dybcio wrote:
On 15.10.2024 2:07 PM, Jyothi Kumar Seerapu wrote:
The current GPI driver hardcodes the channel TRE (Transfer Ring Element)
size to 64. For scenarios requiring high performance with multiple
messages in a transfer, use Block Event Interrupt (BEI).
On 10/19/2024 3:41 AM, kernel test robot wrote:
Hi Jyothi,
kernel test robot noticed the following build errors:
[auto build test ERROR on 55bcd2e0d04c1171d382badef1def1fd04ef66c5]
url:
https://github.com/intel-lab-lkp/linux/commits/Jyothi-Kumar-Seerapu/dt-bindings-dmaengine-qcom-gpi-Ad
On 10/19/2024 8:42 AM, kernel test robot wrote:
Hi Jyothi,
kernel test robot noticed the following build errors:
[auto build test ERROR on 55bcd2e0d04c1171d382badef1def1fd04ef66c5]
url:
https://github.com/intel-lab-lkp/linux/commits/Jyothi-Kumar-Seerapu/dt-bindings-dmaengine-qcom-gpi-Ad
On 10/16/2024 8:36 PM, Andi Shyti wrote:
Hi Jyothi,
...
@@ -523,26 +576,49 @@ static int geni_i2c_gpi(struct geni_i2c_dev *gi2c, struct
i2c_msg *msg,
enum dma_transfer_direction dma_dirn;
struct dma_async_tx_descriptor *desc;
int ret;
+ struct gpi_multi_xfer *
On 10/15/2024 7:31 PM, Rob Herring wrote:
On Tue, Oct 15, 2024 at 05:37:46PM +0530, Jyothi Kumar Seerapu wrote:
When high performance with multiple i2c messages in a single transfer
is required, employ Block Event Interrupt (BEI) to trigger interrupts
after specific messages transfer and the
On 10/15/2024 6:56 PM, Rob Herring (Arm) wrote:
On Tue, 15 Oct 2024 17:37:46 +0530, Jyothi Kumar Seerapu wrote:
When high performance with multiple i2c messages in a single transfer
is required, employ Block Event Interrupt (BEI) to trigger interrupts
after specific messages transfer and the
On 10/16/2024 10:24 AM, Vinod Koul wrote:
On 15-10-24, 17:37, Jyothi Kumar Seerapu wrote:
When high performance with multiple i2c messages in a single transfer
is required, employ Block Event Interrupt (BEI) to trigger interrupts
after specific messages transfer and the last message transfer,
On 10/17/2024 12:40 PM, Krzysztof Kozlowski wrote:
On 16/10/2024 16:35, Bjorn Andersson wrote:
@@ -1064,7 +1064,7 @@
};
gpi_dma0: dma-controller@90 {
- #dma-cells = <3>;
+ #dma-cells = <4>;
compati
Hi,
I'm currently looking at i915 deadlock report, the report
is for 5.15, but I don't see any significant difference in
linux-next code, so it looks relevant to current upstream
code.
Basically, intel_gt_reset() grabs gt->reset.mutex and then sleeps
in flush_work(). Worker, meanwhile, cannot ma
Hi all,
Today's linux-next merge of the drm tree got a conflict in:
drivers/gpu/drm/xe/xe_guc_ct.c
between commits:
db7f92af6261 ("drm/xe/ct: prevent UAF in send_recv()")
22ef43c78647 ("drm/xe/guc/ct: Flush g2h worker in case of g2h response
timeout")
from Linus' tree and commits:
52
One ITE IT6263 LVDS to HDMI converter is populated on NXP IMX-LVDS-HDMI
and IMX-DLVDS-HDMI adapter cards.
Card IMX-LVDS-HDMI supports single LVDS link(IT6263 link1).
Card IMX-DLVDS-HDMI supports dual LVDS links(IT6263 link1 and link2).
Only one card can be enabled with one i.MX8MP EVK.
Add dedic
Add myself as the maintainer of ITE IT6263 LVDS TO HDMI BRIDGE DRIVER.
Signed-off-by: Liu Ying
---
v4:
* No change.
v3:
* No change.
v2:
* New patch. (Maxime)
MAINTAINERS | 8
1 file changed, 8 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index a858224b59d5..615ba0e905af 10
ITE IT6263 LVDS to HDMI converter is populated on NXP IMX-LVDS-HDMI
and IMX-DLVDS-HDMI adapter cards. The adapter cards can connect to
i.MX8MP EVK base board to support video output through HDMI connectors.
Build the ITE IT6263 driver as a module.
Signed-off-by: Liu Ying
---
v4:
* No change.
v3
Add basic HDMI video output support. Currently, only RGB888 output
pixel format is supported. At the LVDS input side, the driver
supports single LVDS link and dual LVDS links with "jeida-24" LVDS
mapping.
Product link:
https://www.ite.com.tw/en/product/cate1/IT6263
Signed-off-by: Liu Ying
Revie
Document ITE IT6263 LVDS to HDMI converter.
Product link:
https://www.ite.com.tw/en/product/cate1/IT6263
Signed-off-by: Liu Ying
---
v4:
* Require dual-lvds-odd-pixels or dual-lvds-even-pixels DT properties for
port@1.
* Drop "data-mirror: true"(30-bit LVDS data bit order is not reversed).
v3
Dual-link LVDS displays receive odd pixels and even pixels separately from
dual LVDS links. One link receives odd pixels and the other receives even
pixels. Some of those displays may also use only one LVDS link to receive
all pixels, being odd and even agnostic. Document common properties for
t
Add "jeida-30" and "vesa-30" data mappings that are compatible with JEIDA
and VESA respectively.
Signed-off-by: Liu Ying
Acked-by: Krzysztof Kozlowski
---
v4:
* Collect Krzysztof's A-b tag.
v3:
* New patch.
.../bindings/display/lvds-data-mapping.yaml | 31 +++
1 file changed
Add MEDIA_BUS_FMT_RGB101010_1X7X5_{JEIDA,SPWG} support in
drm_of_lvds_get_data_mapping() function implementation so that function
callers may get the two LVDS data mappings.
Signed-off-by: Liu Ying
Reviewed-by: Dmitry Baryshkov
---
v4:
* Collect Dmitry's R-b tag.
v3:
* New patch.
drivers/gpu/
drm_of_lvds_get_dual_link_pixel_order() gets LVDS dual-link source pixel
order. Similar to it, add it's counterpart function
drm_of_lvds_get_dual_link_pixel_order_sink() to get LVDS dual-link sink
pixel order.
Suggested-by: Dmitry Baryshkov
Signed-off-by: Liu Ying
Reviewed-by: Dmitry Baryshkov
Add two media bus formats that identify 30-bit RGB pixels transmitted
by a LVDS link with five differential data pairs, serialized into 7
time slots, using standard SPWG/VESA or JEIDA data mapping.
Signed-off-by: Liu Ying
---
v4:
* No change.
v3:
* New patch.
.../media/v4l/subdev-formats.rst
Multiple display modes could be read from a display device's EDID.
Use clk_round_rate() to validate the "ldb" clock rate for each mode
in drm_bridge_funcs::mode_valid() to filter unsupported modes out.
Also, since this driver doesn't directly reference pixel clock, use
clk_round_rate() to validate
The next bridge in bridge chain could be a panel bridge or a non-panel
bridge. Use devm_drm_of_get_bridge() to replace the combination
function calls of of_drm_find_panel() and devm_drm_panel_bridge_add()
to get either a panel bridge or a non-panel bridge, instead of getting
a panel bridge only.
The LVDS panel "multi-inno,mi1010ait-1cp" used on this platform has
a typical pixel clock rate of 70MHz. Set "media_disp2_pix" clock rate
to that rate, instead of the original 68.9MHz. The LVDS serial clock
is controlled by "media_ldb" clock. It should run at 490MHz(7-fold the
pixel clock rate d
Hi,
This patch series aims to add ITE IT6263 LVDS to HDMI converter on
i.MX8MP EVK. Combined with LVDS receiver and HDMI 1.4a transmitter,
the IT6263 supports LVDS input and HDMI 1.4 output by conversion
function. IT6263 product link can be found at [1].
Patch 1 is a preparation patch to allow
Hi all,
Today's linux-next merge of the drm tree got a conflict in:
drivers/gpu/drm/qxl/Kconfig
between commit:
65f5bf96750f ("drm: handle HAS_IOPORT dependencies")
from the asm-generic tree and commit:
92c13542e878 ("drm/qxl: Run DRM default client setup")
from the drm tree.
I fixed
Hi all,
Today's linux-next merge of the drm tree got a conflict in:
drivers/gpu/drm/tiny/bochs.c
between commit:
65f5bf96750f ("drm: handle HAS_IOPORT dependencies")
from the asm-generic tree and commit:
7934a1c25097 ("drm/bochs: Use video aperture helpers")
from the drm tree.
I fixed
Hi all,
Today's linux-next merge of the drm tree got a conflict in:
drivers/gpu/drm/gma500/Kconfig
between commit:
65f5bf96750f ("drm: handle HAS_IOPORT dependencies")
from the asm-generic tree and commit:
aecdbfe459a0 ("drm/gma500: Run DRM default client setup")
from the drm tree.
I
The patchset adds a new driver for Samsung AMS427AP24 panel with S6E88A0
controller. Patches are based on current branch drm-misc-next.
The discussion in v3 was not finished. I send v4 nonetheless as a new base to
continue the discussion. I hope that's ok.
Changes in v4:
Patch 3
- Removed incl
The flip properties were used by "samsung,s6e8aa0.yaml" only so far. By
introducing "samsung,s6e88a0-ams427ap24.yaml" they become more common.
Signed-off-by: Jakob Hauser
Reviewed-by: Krzysztof Kozlowski
Reviewed-by: Linus Walleij
---
Patch is based on current branch drm-misc-next.
---
.../bin
Add bindings for Samsung AMS427AP24 panel with S6E88A0 controller.
Signed-off-by: Jakob Hauser
Reviewed-by: Krzysztof Kozlowski
Reviewed-by: Linus Walleij
---
Patch is based on current branch drm-misc-next.
---
.../panel/samsung,s6e88a0-ams427ap24.yaml | 65 +++
1 file chan
This initial part of the panel driver was mostly generated by the
"linux-mdss-dsi-panel-driver-generator" tool [1], reading downstream
Android kernel file "dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi" [2].
On top of the generic output of the tool, there were a couple of changes
applied:
- Add
The tables for brightness to candela, aid and elvss were taken from downstream
kernel file "dsi_panel_S6E88A0_AMS427AP24_qhd_octa_video.dtsi" [1][2][3].
The gamma table gets generated in "ss_dsi_smart_dimming_S6E88A0_AMS427AP24.c"
[4]
with hard-coded starting values. The function smart_dimming_in
The way of implementing a flip option follows the existing
panel-samsung-s6e8aa0.c [1][2][3].
The value to flip the screen is taken from a downstream kernel file of
a similar but older panel [4]. The mipi clock [5] for the new panel
samsung-s6e88a0-ams427ap24 matches 461 MHz and a hardware read-ou
On Fri, 25 Oct 2024 18:15:31 +0100, Dave Stevenson wrote:
> This series adds the required DRM, clock, and DT changes
> required to support the display hardware on Pi5.
> There are a couple of minor fixes first before the main patches.
>
> Many of the patches were authored by Maxime whilst workin
On Fri, Oct 25, 2024 at 06:42:45PM +0800, Fei Shao wrote:
> The MediaTek DP hardware supports audio, and the "#sound-dai-cells"
> property is required to describe DAI links and audio routing.
>
> Add "#sound-dai-cells" property to the binding and filter out non-DP
> compatibles, as MediaTek eDP do
Am Fri, 12 Apr 2024 11:11:39 +0800
schrieb Shuijing Li :
> This patch correct calculation formula of PHY timing.
> The spec define HS-PREPARE should be from 40ns+4*UI(44ns) to
> 85ns+6*UI(91ns). But current duration is 88ns and is near the
> boundary. So this patch make the duration to 64ns so i
In the previous code, there is build error.
if CONFIG_DRM_USE_DYNAMIC_DEBUG is set,
'drm_dbg' function is replaced with '__dynamic_func_call_cls',
which is replaced with a do while statement.
The problem is that,
XE_IOCTL_DBG uses this function for conditional expression.
so I fix the expression
On Sun, Oct 27, 2024, at 18:05, Akhil P Oommen wrote:
> Clang-19 and above sometimes end up with multiple copies of the large
> a6xx_hfi_msg_bw_table structure on the stack. The problem is that
> a6xx_hfi_send_bw_table() calls a number of device specific functions to
> fill the structure, but these
Clang-19 and above sometimes end up with multiple copies of the large
a6xx_hfi_msg_bw_table structure on the stack. The problem is that
a6xx_hfi_send_bw_table() calls a number of device specific functions to
fill the structure, but these create another copy of the structure on
the stack which gets
On 10/21/2024 3:31 PM, Arnd Bergmann wrote:
> On Mon, Oct 21, 2024, at 09:25, Akhil P Oommen wrote:
>> On Sat, Oct 19, 2024 at 04:14:13PM +0300, Dmitry Baryshkov wrote:
>>> On Sat, Oct 19, 2024 at 03:01:46PM +0530, Akhil P Oommen wrote:
On Fri, Oct 18, 2024 at 03:11:38PM +, Arnd Bergmann w
rg/drm/drm-misc drm-misc-next
patch link:
https://lore.kernel.org/r/20241025092538.38339-1-gonzalo.silvalde%40gmail.com
patch subject: [PATCH] fbdev: udl: Make CONFIG_FB_DEVICE optional
config: i386-randconfig-r121-20241027
(https://download.01.org/0day-ci/archive/20241028/20241028000
On Thu, Oct 24, 2024 at 11:55:38AM +0200, Herve Codina wrote:
> In some cases observed during ESD tests, the TI SN65DSI83 cannot recover
> from errors by itself. A full restart of the bridge is needed in those
> cases to have the bridge output LVDS signals again.
>
> The TI SN65DSI83 has some erro
Hi Herve,
Thank you for the patch.
On Thu, Oct 24, 2024 at 11:55:37AM +0200, Herve Codina wrote:
> Both the TI SN65DSI83 and SN65DSI84 bridges have an IRQ pin to signal
> errors using interrupt.
>
> This interrupt is not documented in the binding.
>
> Add the missing interrupts property.
>
> S
Use string choice helpers for better readability.
Reported-by: kernel test robot
Reported-by: Julia Lawall
Closes: https://lore.kernel.org/r/202410161814.i6p2nnux-...@intel.com/
Signed-off-by: R Sundar
---
reported in linux repository.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/to
Hi Helge,
Thank you for your feedback.
I understand the concern about the amount of #ifdefs. I’ll review the code to
see if there are other ways to handle the conditional dependencies, perhaps by
using fb_dbg() or similar, as you suggested. I agree that keeping readability
is important, and I
Address the following
FIXME: convert parsers to use struct cea_db
in the parser drm_parse_hdr_metadata_block
cea_db contains len and then data. Appropriately change the indices
when referring to individual elements (db[n] becomes data[n-1]).
Signed-off-by: Vamsi Krishna Brahmajosyula
--
Address the following
FIXME: convert parsers to use struct cea_db
in the parser drm_parse_microsoft_vsdb
cea_db contains len and then data. Appropriately change the indices
when referring to individual elements (db[n] becomes data[n-1]).
Signed-off-by: Vamsi Krishna Brahmajosyula
---
d
Address the following
FIXME: convert parsers to use struct cea_db
in the parser drm_parse_vcdb
cea_db contains len and then data. Appropriately change the indices
when referring to individual elements (db[n] becomes data[n-1]).
Signed-off-by: Vamsi Krishna Brahmajosyula
---
drivers/gpu
Address the following
FIXME: convert parsers to use struct cea_db
in the parser drm_parse_hdmi_forum_scds and related methods
cea_db contains len and then data. Appropriately change the indices
when referring to individual elements (db[n] becomes data[n-1]).
Signed-off-by: Vamsi Krishna B
Address the following
FIXME: convert parsers to use struct cea_db
in the parser drm_parse_hdmi_vsdb_video
cea_db contains len and then data. Appropriately change the indices
when referring to individual elements (db[n] becomes data[n-1]).
Signed-off-by: Vamsi Krishna Brahmajosyula
---
Address the following
FIXME: convert parsers to use struct cea_db
in the drm_edid cea_ext parsers.
1) drm_parse_hdmi_vsdb_video
2) drm_parse_hdmi_forum_scds
3) drm_parse_microsoft_vsdb
4) drm_parse_vcdb
5) drm_parse_hdr_metadata_block
These patches are pre-requisite to address another FIXM
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