Hi, Dave & Daniel:
This includes:
1. Prepare for support MT8195/88 HDMIv2 and DDCv2
2. DPI: Cleanups and add support for more formats
3. Cleanups and sanitization
4. Replace custom compare_dev with component_compare_of
Regards,
Chun-Kuang.
The following changes since commit 0af2f6be1b4281385b618
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年4月9日 週三 下午9:13寫道：
>
> This series adds support to configure the MediaTek DPI IP to output
> more formats, such as YUV422 8/10/12 bits, YUV444 8/10 bits, BGR 8bits,
> and RGB 10 bits, and also performs some cleanups that improve the code
> readability
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年4月15日 週二 下午6:44寫道：
>
> In preparation for splitting common bits of this driver and for
> introducing a new version of the MediaTek HDMI Encoder IP, improve
> the flexibility of function mtk_hdmi_get_all_clk() by adding a
> pointer to the clock names a
Hi, Dave & Daniel:
This includes:
1. HDMI fixup and refinement
2. Move to devm_platform_ioremap_resource() usage
3. Add MT8188 dsc compatible
4. Fix config_updating flag never false when no mbox channel
5. dp: drm_err => dev_err in HPD path to avoid NULL ptr
6. Add dpi power-domains example
7. Add
.c:630:1:
> warning: label ‘update_config_out’ defined but not used
> [-Wunused-label]
> 630 | update_config_out:
> | ^
>
> Please fix and resend,
Sorry not find this. I've fixed this and resend pull request.
Regards,
Chun-Kuang.
> Thanks,
> Dave
Hi, Dave & Daniel:
This includes:
1. HDMI fixup and refinement
2. Move to devm_platform_ioremap_resource() usage
3. Add MT8188 dsc compatible
4. Fix config_updating flag never false when no mbox channel
5. dp: drm_err => dev_err in HPD path to avoid NULL ptr
6. Add dpi power-domains example
7. Add
Hi, Dan:
Dan Carpenter 於 2025年1月8日 週三 下午5:36寫道：
>
> There is a type bug because the return statement:
>
> return ret < 0 ? ret : recv_cnt;
>
> The issue is that ret is an int, recv_cnt is a u32 and the function
> returns ssize_t, which is a signed long. The way that the type promotion
>
Hi, Amergnat:
於 2025年1月10日 週五 下午9:31寫道：
>
> From: Fabien Parent
>
> DPI is part of the display / multimedia block in MediaTek SoCs, and
> always have a power-domain (at least in the upstream device-trees).
> Add the power-domains property to the binding example.
Applied to mediatek-drm-next [1]
Hi, Amergnat:
於 2025年1月10日 週五 下午9:31寫道：
>
> From: Fabien Parent
>
> Add DRM support for MT8365 SoC.
>
> Signed-off-by: Fabien Parent
> Reviewed-by: AngeloGioacchino Del Regno
>
Applied to mediatek-drm-next [1], thanks.
[1]
https://web.git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/li
Hi, Douglas:
Douglas Anderson 於 2025年1月17日 週五 上午1:43寫道：
>
> The function mtk_dp_wait_hpd_asserted() may be called before the
> `mtk_dp->drm_dev` pointer is assigned in mtk_dp_bridge_attach().
> Specifically it can be called via this callpath:
> - mtk_edp_wait_hpd_asserted
> - [panel probe]
> -
Hi, Jason:
Jason-JH Lin 於 2025年2月24日 週一 下午1:13寫道：
>
> When CONFIG_MTK_CMDQ is enabled, if the display is controlled by the CPU
> while other hardware is controlled by the GCE, the display will encounter
> a mbox request channel failure.
> However, it will still enter the CONFIG_MTK_CMDQ statement
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月18日 週二 下午5:04寫道：
>
> Add compatible for Display Stream Compression (DSC) IP found in
> the display controller of the MT8188 SoC.
>
> This IP is fully compatible with the one found on MT8195.
Applied to mediatek-drm-next [1], thanks.
[1]
https://w
inux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next
Regards,
Chun-Kuang.
>
> Cc: Chun-Kuang Hu
> Cc: Philipp Zabel
> Reviewed-by: Maxime Ripard
> Reviewed-by: CK Hu
> Signed-off-by: Anusha Srivatsa
> ---
> drivers/gpu/drm/mediatek/mtk_disp_color.c | 4 +---
>
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> Add support for the DPI block found in the MT8195 and MT8188 SoCs.
> Inside of the SoC, this block is directly connected to the HDMI IP.
After fix conflicts, applied to mediatek-drm-next [1], thanks.
[1]
https://web.git.kern
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> In preparation for adding support for MT8195's HDMI reserved
> DPI, add calls to clk_prepare_enable() / clk_disable_unprepare()
> for the TVD clock: in this particular case, the aforementioned
> clock is not (and cannot be) par
Chun-Kuang Hu 於 2025年3月2日 週日 下午7:29寫道：
>
> Hi, Angelo:
>
> AngeloGioacchino Del Regno 於
> 2025年2月17日 週一 下午11:49寫道：
> >
> > On some SoCs, like MT8195 and MT8188, the DPI's FIFO controller
> > (afifo) supports outputting either one or two pixels per round
>
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> On some SoCs, like MT8195 and MT8188, the DPI's FIFO controller
> (afifo) supports outputting either one or two pixels per round
> regardless of the input being 1T1P or 1T2P.
>
> Add a `output_1pixel` member to struct mtk_dpi_c
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> On some SoCs, like MT8195 and MT8188, the DPI instance that is
> reserved to the HDMI Transmitter uses a different clock topology.
>
> In this case, the DPI is clocked by the HDMI IP, and this outputs
> its clock to the MM inpu
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> In preparation for adding support for MT8195's HDMI reserved DPI
> instance, move the input_2p_en bit for DP_INTF to platform data.
>
> While at it, remove the input_2pixel member from platform data as
> having this bit implies
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> In preparation for adding support for the DPI IP found in MT8195
> and in MT8188 used for HDMI, move the code flow for calculation
> and setting of the DPI pixel clock to a separate function called
> mtk_dpi_set_pixel_clk().
>
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> In preparation for adding support for newer DPI instances which
> do support direct-pin but do not have any H_FRE_CON register,
> like the one found in MT8195 and MT8188, add a branch to check
> if the reg_h_fre_con variable wa
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> Setting the TVD PLL clock requires to multiply the target pixel
> clock by a specific constant factor to achieve the target PLL
> frequency, and this is done to reduce jitter to acceptable levels.
>
> On all MediaTek SoCs, the
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> Setting the TVD PLL clock requires to multiply the target pixel
> clock by a specific constant factor to achieve the target PLL
> frequency, and this is done to reduce jitter to acceptable levels.
>
> On all MediaTek SoCs, the
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> This IP includes a Pattern Generator which is useful for debugging
> and testing purposes: add the relevant register and bits to the
> mtk_dpi_regs.h header, and implement support for it in mtk_dpi.
>
> Adding this required to
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> Add compatibles for the Digital Parallel Interface (DPI) block
> found in the MT8195 and MT8188 SoCs: inside of the chip, this one
> is directly connected to the HDMI block.
Applied to mediatek-drm-next [1], thanks.
[1]
http
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:50寫道：
>
> The hdmi_colorspace csp member of struct mtk_hdmi is initialized
> once but then it's never used at all.
> Remove said member and the only assignment to it as a cleanup.
>
> Also remove the ibias, ibias_up, min_clock, max_clock
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:50寫道：
>
> If the clk_prepare_enable() call for the SPDIF clock fails, just
> disable and unprepare the clock in the error check branch and
> return immediately instead of jumping to the end with a goto,
> slightly reducing code size.
>
>
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:50寫道：
>
> Remove the error print in case of mtk_hdmi_clk_enable_audio()
> failures: since the APIs will already print on their own, having
> one in there is redundant.
Applied to mediatek-drm-next [1], thanks.
[1]
https://git.kernel.o
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:50寫道：
>
> Remove the "driver bound to HDMI" print to avoid useless spam in
> the kernel log, as registered and bound drivers can be debugged
> through debugfs.
Applied to mediatek-drm-next [1], thanks.
[1]
https://git.kernel.org/pub/s
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:50寫道：
>
> Simplify the probe/remove functions by using devm_drm_bridge_add()
> as now there is no more need to manually remove the bridge.
Applied to mediatek-drm-next [1], thanks.
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/c
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:50寫道：
>
> Since the SIMPLE_DEV_PM_OPS macro and the pm pointer are anyway
> defined when CONFIG_PM_SLEEP is not set, remove the ifdef for it
> and indicate that the mtk_hdmi_{remove,suspend} functions may be
> unused (as they are, in cas
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> Compress the entries found in the of_device_id array to improve
> readability of this file and to make that consistent with other
> kernel drivers.
Applied to mediatek-drm-next [1], thanks.
[1]
https://git.kernel.org/pub/scm
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> Move the vendor and product strings to the appropriate entries
> of struct drm_bridge and use that in mtk_hdmi_setup_spd_infoframe
> instead of having the same as function parameters.
>
> While at it, also beautify the strings,
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> Rename member aud_sampe_size of struct hdmi_audio_param to
> aud_sample_size to fix a typo and enhance readability.
>
> This commit brings no functional changes.
Applied to mediatek-drm-next [1], thanks.
[1]
https://git.kern
Hi, Angelo:
AngeloGioacchino Del Regno 於
2025年2月17日 週一 下午11:49寫道：
>
> The probe function of this driver may fail after registering the
> audio platform device: in that case, the state is not getting
> cleaned up, leaving this device registered.
>
> Adding up to the mix, should the probe function
AngeloGioacchino Del Regno 於
2024年12月18日 週三 下午6:53寫道：
>
> Add compatible strings for the AAL, COLOR, MERGE and PADDING
> hardware components found in MediaTek's MT8188 SoC.
>
> This hardware is compatible with MT8195.
Acked-by: Chun-Kuang Hu
>
> Signed-off-by:
Hi, Dave & Daniel:
This includes:
1. dp: Add sdp path reset
2. dp: Support flexible length of DP calibration data
Regards,
Chun-Kuang.
The following changes since commit 40384c840ea1944d7c5a392e8975ed088ecf0b37:
Linux 6.13-rc1 (2024-12-01 14:28:56 -0800)
are available in the Git repository
14. Initialize pointer in mtk_drm_of_ddp_path_build_one()
AngeloGioacchino Del Regno (2):
drm/mediatek: mtk_dsi: Add registers to pdata to fix MT8186/MT8188
drm/mediatek: Initialize pointer in mtk_drm_of_ddp_path_build_one()
Arnd Bergmann (1):
drm/mediatek: stop se
Hi, Liankun:
Liankun Yang 於 2024年12月18日 週三 下午7:35寫道：
>
> Returns the number of bytes transferred (1) on success.
> Check the return value to confirm that AUX communication is successful.
>
> Fixes: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver")
>
> Signed-off-by: Liankun Ya
Hi, Fei:
Fei Shao 於 2024年12月4日 週三 下午10:26寫道：
>
> The DP calibration data is stored in nvmem cells, and the data layout is
> described in the `mtk_dp_efuse_fmt` arrays for each platform.
>
> There is no guarantee that the data is always a 4-length u32 cell array.
> For example, MT8188 has a data l
Hi, Angelo:
AngeloGioacchino Del Regno 於
2024年12月19日 週四 下午7:27寫道：
>
> Registers DSI_VM_CMD and DSI_SHADOW_DEBUG start at different
> addresses in both MT8186 and MT8188 compared to the older IPs.
>
> Add two members in struct mtk_dsi_driver_data to specify the
> offsets for these two registers on
Hi, Fei:
Fei Shao 於 2024年11月5日 週二 下午5:02寫道：
>
> The MediaTek DP hardware supports audio and exposes a DAI, so the
> '#sound-dai-cells' property is needed for describing the DAI links.
>
> Reference the dai-common.yaml schema to allow '#sound-dai-cells' to be
> used, and filter out non-DP compatib
Hi, Liankun:
Liankun Yang 於 2024年10月25日 週五 下午4:31寫道：
>
> Fix dp mode valid issue to avoid abnormal display of limit state.
>
> After DP passes link training, it can express the lane count of the
> current link status is good. Calculate the maximum bandwidth supported
> by DP using the current lan
Hi, Liankun:
Liankun Yang 於 2024年10月25日 週五 下午4:32寫道：
>
> Setting up misc0 for Pixel Encoding Format.
>
> According to the definition of YCbCr in spec 1.2a Table 2-96,
> 0x1 << 1 should be written to the register.
>
> Use switch case to distinguish RGB, YCbCr422,
> and unsupported color formats.
build-all/202412022048.ky2zhxz4-...@intel.com/
Signed-off-by: Chun-Kuang Hu
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 9a8ef8558da9..9d8286424e98 10
Hi, Arnd:
Arnd Bergmann 於 2024年12月18日 週三 下午4:58寫道：
>
> From: Arnd Bergmann
>
> The PHY portion of the mediatek hdmi driver was originally part of
> the driver it self and later split out into drivers/phy, which a
> 'select' to keep the prior behavior.
>
> However, this leads to build failures wh
Hi, Jason:
Jason-JH.Lin 於 2024年12月11日 週三 上午11:47寫道：
>
> mtk_crtc_finish_page_flip() is used to notify userspace that a
> page flip has been completed, allowing userspace to free the frame
> buffer of the last frame and commit the next frame.
>
> In MediaTek's hardware design for configuring displ
Hi, Guoqing:
Guoqing Jiang 於 2024年12月23日 週一 上午10:32寫道：
>
> The pointer need to be set to NULL, otherwise KASAN complains about
> use-after-free. Because in mtk_drm_bind, all private's drm are set
> as follows.
>
> private->all_drm_private[i]->drm = drm;
>
> And drm will be released by drm_dev_put
Hi, Liankun:
Liankun Yang 於 2024年11月28日 週四 上午10:37寫道：
>
> When using type-c to type-c to connect to the monitor,
> the sound plays normally. If you unplug the type-c and
> connect the type-c to hdmi dongle to the monitor, there will be noise.
>
> By capturing the audio data, it is found that
> th
Hi, Jason:
Jason-JH.Lin 於 2024年11月18日 週一 上午10:51寫道：
>
> mediatek-drm driver reported the capability of 180-degree rotation by
> adding `DRM_MODE_ROTATE_180` to the plane property, as flip-x combined
> with flip-y equals a 180-degree rotation. However, we did not handle
> the rotation property in
Hi, Angelo:
AngeloGioacchino Del Regno 於
2024年11月12日 週二 下午6:50寫道：
>
> The struct device_node *next pointer is not initialized, and it is
> used in an error path in which it may have never been modified by
> function mtk_drm_of_get_ddp_ep_cid().
>
> Since the error path is relying on that pointer
Jason-JH.Lin 於 2024年12月20日 週五 上午2:15寫道：
>
> From: Hsiao Chien Sung
>
> Modify rules for both MT8195 and MT8188.
> Hardware capabilities include color formats and AFBC are
> changed since MT8195, stop using the settings of MT8183.
Acked-by: Chun-Kuang Hu
>
> Acked-by:
> >
> > Signed-off-by: Jason-JH.Lin
> > Suggested-by: AngeloGioacchino Del Regno
> >
>
> Reviewed-by: AngeloGioacchino Del Regno
>
>
> Waiting for an ack to take everything through the mediatek tree :-)
Acked-by: Chun-Kuang Hu
>
> Cheers,
> Angelo
>
-by: Sasha Levin
Closes:
https://lore.kernel.org/lkml/Z0lNHdwQ3rODHQ2c@sashalap/T/#mfaa6343cfd4d59aae5912b095c0693c0553e746c
Signed-off-by: Chun-Kuang Hu
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/dr
Ziller
Signed-off-by: Chun-Kuang Hu
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 31 +++---
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 33ceeb8d6925..3907863579b9 100644
--- a
Hi, Dave & Daniel:
This includes:
1. Add support for OF graphs
2. Fix child node refcount handling and use scoped
Regards,
Chun-Kuang.
The following changes since commit 9852d85ec9d492ebef56dc5f229416c925758edc:
Linux 6.12-rc1 (2024-09-29 15:06:19 -0700)
are available in the Git repository
Hi, Javier:
Javier Carrasco 於 2024年10月12日 週六 上午3:22寫道：
>
> This series fixes a wrong handling of the child node within the
> for_each_child_of_node() by adding the missing call to of_node_put() to
> make it compatible with stable kernels that don't provide the scoped
> variant of the macro, which
Hi, Dave & Daniel:
This includes:
1. Fix degradation problem of alpha blending
2. Fix color format MACROs in OVL
3. Fix get efuse issue for MT8188 DPTX
4. Fix potential NULL dereference in mtk_crtc_destroy()
5. Correct dpi power-domains property
6. Add split subschema property constraints
Regard
Hi, Moudy:
Moudy Ho 於 2024年10月7日 週一 上午10:28寫道：
>
> The display node in mt8195.dtsi was triggering a CHECK_DTBS error due
> to an excessively long 'clocks' property:
> display@14f06000: clocks: [[31, 14], [31, 43], [31, 44]] is too long
>
> To resolve this issue, the constraints for 'clocks' and
Hi, Fei:
Fei Shao 於 2024年10月19日 週六 下午1:30寫道：
>
> There are two kinds of MediaTek DPI devices in the tree: the ones with a
> power domain and those without (or missing). The former are the majority
> and are more common in newer DTs. Only three older DTs fall into the
> latter category: MT2701, MT
Hi, Macpaul:
Macpaul Lin 於 2024年10月3日 週四 上午11:09寫道：
>
> The MediaTek DPI module is typically associated with one of the
> following multimedia power domains:
> - POWER_DOMAIN_DISPLAY
> - POWER_DOMAIN_VDOSYS
> - POWER_DOMAIN_MM
> The specific power domain used varies depending on the SoC design
Hi, Dan:
Dan Carpenter 於 2024年9月12日 週四 下午4:45寫道：
>
> In mtk_crtc_create(), if the call to mbox_request_channel() fails then we
> set the "mtk_crtc->cmdq_client.chan" pointer to NULL. In that situation,
> we do not call cmdq_pkt_create().
>
> During the cleanup, we need to check if the "mtk_crtc-
Hi, Liankun:
Liankun Yang 於 2024年9月23日 週一 下午9:25寫道：
>
> Update efuse data for MT8188 displayport.
>
> The DP monitor can not display when DUT connected to USB-c to DP dongle.
> Analysis view is invalid DP efuse data.
Applied to mediatek-drm-fixes [1], thanks.
[1]
https://git.kernel.org/pub/scm
Hi, Hsin-te:
Hsin-Te Yuan 於 2024年10月16日 週三 下午10:17寫道：
>
> In commit 9f428b95ac89 ("drm/mediatek: Add new color format MACROs in
> OVL"), some new color formats are defined in the MACROs to make the
> switch statement more concise. That commit was intended to be a no-op
> cleanup. However, there a
Hi, Jason:
Jason-JH.Lin 於 2024年10月9日 週三 上午11:46寫道：
>
> Some SoCs do not support the ignore_pixl_alpha flag, which breaks the
> XRGB format. Some SoCs do not support pre-multiplied pixel formats
> and extending configuration of OVL pre-multiplied color formats,
> such as MT8173.
>
> Fix the So
Hi, Angelo:
For patch [1/3] and patch [3/3], applied to mediatek-drm-next [1], thanks.
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next
Regards,
Chun-Kuang.
AngeloGioacchino Del Regno 於
2024年10月17日 週四 下午6:38寫道：
>
> Changes in v13:
> - Added
Hi, Jason:
Jason-JH.Lin 於 2024年9月29日 週日 上午12:16寫道：
>
> From: Jason-jh Lin
>
> Some SoCs not support pre-multiplied pixel formats and extending
> configuration of OVL pre-multiplied color formats, such as MT8173.
>
> Fix the SoC degradation problem by this sreies.
Applied to mediatek-drm-fixes [
In order to have fine-grained control, use cmdq_pkt_eoc() and
cmdq_pkt_jump_rel() to replace cmdq_pkt_finalize().
Signed-off-by: Chun-Kuang Hu
---
drivers/soc/mediatek/mtk-cmdq-helper.c | 22 --
include/linux/soc/mediatek/mtk-cmdq.h | 13 -
2 files changed, 35
In order to have fine-grained control, use cmdq_pkt_eoc() and
cmdq_pkt_jump_rel() to replace cmdq_pkt_finalize().
Signed-off-by: Chun-Kuang Hu
---
drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 3 ++-
drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c | 2 ++
drivers/media/platform
Use cmdq_pkt_create() and cmdq_pkt_destroy() common function
instead of implementing mdp3 version.
Signed-off-by: Chun-Kuang Hu
---
.../platform/mediatek/mdp3/mtk-mdp3-cmdq.c| 46 ++-
.../platform/mediatek/mdp3/mtk-mdp3-cmdq.h| 1 +
2 files changed, 6 insertions(+), 41
b/scm/linux/kernel/git/chunkuang.hu/linux.git/commit/?h=mediatek-cmdq8&id=a1b2f7a7488285975c1f439086f1c4cc51a13bb9
Chun-Kuang Hu (3):
media: platform: mtk-mdp3: Get fine-grain control of
cmdq_pkt_finalize()
media: platform: mtk-mdp3: Use cmdq_pkt_create() and
cmdq_pkt_destroy()
soc:
tion flags in mtk_crtc_ddp_config()
8. Use spin_lock_irqsave() for CRTC event lock
9. Add power domain binding to the mediatek DPI controller
AngeloGioacchino Del Regno (1):
drm/mediatek: Declare Z Position for all planes
Chun-K
Hi, Rohit:
Rohit Agarwal 於 2024年8月30日 週五 下午4:46寫道：
>
> Add power domain binding to the mediatek DPI controller
> for MT8186.
> Also, add power domain binding for other SoCs like
> MT6795 and MT8173 that already had power domain property.
For this patch, applied to mediatek-drm-next [1], thanks.
Hi, Fei:
Fei Shao 於 2024年8月28日 週三 下午6:16寫道：
>
> Use the state-aware spin_lock_irqsave() and spin_unlock_irqrestore()
> to avoid unconditionally re-enabling the local interrupts.
Applied to mediatek-drm-next [1], thanks.
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git
Hi, Jason:
I squash this series into one patch and apply to mediatek-drm-next [1], thanks.
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next
Regards,
Chun-Kuang.
Jason-JH.Lin via B4 Relay
於 2024年8月27日 週二
下午10:56寫道：
>
> Signed-off-by: Jason-JH.
Hi, Shuijing:
Shuijing Li 於 2024年8月26日 週一 下午2:07寫道：
>
> Adding the per-frame lp function of mt8188, which can keep HFP in HS and
> reduce the time required for each line to enter and exit low power.
> Per Frame LP:
> |<--One Active Frame>|
> --___
Hi, Rob:
Rob Herring (Arm) 於 2024年8月1日 週四 上午4:14寫道：
>
> of_property_read_u32() returns -EINVAL if a property is not present, so
> the preceeding check for presence with of_find_property() can be
> dropped. Really, what the errno is shouldn't matter. Either the property
> can be read and used or i
Hi, Angelo:
AngeloGioacchino Del Regno 於
2024年7月18日 週四 下午4:25寫道：
>
> MediaTek SoCs support multiple planes, one of which is the primary
> and all the others are overlays (and CURSOR is the last overlay).
>
> In all currently supported SoCs, the Z order of the overlays can't
> be changed with any
Hi, Jason:
Jason-JH.Lin via B4 Relay
於 2024年8月19日 週一
下午11:26寫道：
>
> From: "Jason-JH.Lin"
>
> In mtk_crtc_ddp_config(), mtk_crtc will use some configuration flags to
> generate instructions to cmdq_handle, such as:
> state->pending_config
> mtk_crtc->pending_planes
> plane_state->pending.co
Hi, Jason:
Jason-JH.Lin 於 2024年7月3日 週三 下午6:33寫道：
>
> In mtk_crtc_ddp_config(), mtk_crtc will use some configuration flags to
> generate instructions to cmdq_handle, such as:
> state->pending_config
> mtk_crtc->pending_planes
> plane_state->pending.config
> mtk_crtc->pending_async_planes
>
Hi, Javier:
Javier Carrasco 於 2024年6月25日 週二 上午12:44寫道：
>
> The main fix is a possible memory leak on an early exit in the
> for_each_child_of_node() loop. That fix has been divided into a patch
> that can be backported (a simple of_node_put()), and another one that
> uses the scoped variant of th
In order to have fine-grained control, use cmdq_pkt_eoc() and
cmdq_pkt_jump_rel() to replace cmdq_pkt_finalize().
Signed-off-by: Chun-Kuang Hu
---
drivers/soc/mediatek/mtk-cmdq-helper.c | 22 --
include/linux/soc/mediatek/mtk-cmdq.h | 13 -
2 files changed, 35
Use cmdq_pkt_create() and cmdq_pkt_destroy() common function
instead of implementing mdp3 version.
Signed-off-by: Chun-Kuang Hu
---
.../platform/mediatek/mdp3/mtk-mdp3-cmdq.c| 45 ++-
1 file changed, 4 insertions(+), 41 deletions(-)
diff --git a/drivers/media/platform
In order to have fine-grained control, use cmdq_pkt_eoc() and
cmdq_pkt_jump_rel() to replace cmdq_pkt_finalize().
Signed-off-by: Chun-Kuang Hu
---
drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 3 ++-
drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c | 2 ++
drivers/media/platform
Use cmdq_pkt_create() and cmdq_pkt_destroy() common function
instead of implementing drm version.
Signed-off-by: Chun-Kuang Hu
---
drivers/gpu/drm/mediatek/mtk_crtc.c | 46 +++--
1 file changed, 4 insertions(+), 42 deletions(-)
diff --git a/drivers/gpu/drm/mediatek
cmdq_pkt_finalize() to cmdq_pkt_eoc() to prevent append
redundant nop command.
Signed-off-by: Chun-Kuang Hu
---
drivers/gpu/drm/mediatek/mtk_crtc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_crtc.c
b/drivers/gpu/drm/mediatek/mtk_crtc.c
index
q8&id=a1b2f7a7488285975c1f439086f1c4cc51a13bb9
Chun-Kuang Hu (5):
drm/mediatek: Use cmdq_pkt_eoc() instead of cmdq_pkt_finalize()
drm/mediatek: Use cmdq_pkt_create() and cmdq_pkt_destroy()
media: platform: mtk-mdp3: Get fine-grain control of
cmdq_pkt_finalize()
media: platform: mtk-mdp3: Use cmdq_pkt_cre
Hi, Dave & Daniel:
This includes:
1. Set sensible cursor width/height values to fix crash
Regards,
Chun-Kuang.
The following changes since commit 8400291e289ee6b2bf9779ff1c83a291501f017b:
Linux 6.11-rc1 (2024-07-28 14:19:55 -0700)
are available in the Git repository at:
https://git.kerne
Hi, Shawn:
Hsiao Chien Sung via B4 Relay
於 2024年7月17日 週三 下午1:24寫道：
>
> Support "Pre-multiplied" and "None" blend mode on MediaTek's chips by
> adding correct blend mode property when the planes init.
> Before this patch, only the "Coverage" mode (default) is supported.
For the whole series, appl
Hi, Dave & Daniel:
This includes:
1. Convert to platform remove callback returning void
2. Drop chain_mode_fixup call in mode_valid()
3. Fixes the errors of MediaTek display driver found by IGT.
4. Add display support for the MT8365-EVK board
5. Fix bit depth overwritten for mtk_ovl_set bit_depth
Hi, Michael:
Michael Walle 於 2024年6月6日 週四 下午5:22寫道：
>
> mtk_find_possible_crtcs() assumes that the main path will always have
> the CRTC with id 0, the ext id 1 and the third id 2. This is only true
> if the paths are all available. But paths are optional (see also
> comment in mtk_drm_kms_init()
Hi, Shuijing:
Please help to review this patch.
Regards,
Chun-Kuang.
Alexandre Mergnat 於 2024年5月23日 週四 下午8:49寫道：
>
> Currently, mtk_dsi_lane_ready (which setup the DSI lane) is triggered
> before mtk_dsi_poweron. lanes_ready flag toggle to true during
> mtk_dsi_lane_ready function, and the DSI
Hi, Nicolas:
Nícolas F. R. A. Prado 於 2024年6月7日 週五 上午7:52寫道：
>
> Use dev_err_probe() to log errors in the probe function of all drm
> mediatek drivers. This avoids -EPROBE_DEFER return values from being
> logged as errors, like the following:
>
> mediatek-disp-rdma 1c002000.rdma: Failed to add
Hi, Douglas
Douglas Anderson 於 2024年6月12日 週三 上午1:28寫道：
>
> Based on grepping through the source code this driver appears to be
> missing a call to drm_atomic_helper_shutdown() at system shutdown
> time. Among other things, this means that if a panel is in use that it
> won't be cleanly powered of
Hi, Jason:
Jason-JH.Lin 於 2024年6月24日 週一 下午5:57寫道：
>
> Refine the value and mask define of bit depth for mtk_ovl_set bit_depth().
> Use cmdq_pkt_write_mask() instead of cmdq_pkt_write() to avoid bit depth
> settings being overwritten.
Applied to mediatek-drm-next [1], thanks.
[1]
https://git.ke
Hi, Alexandre:
於 2024年5月23日 週四 下午8:49寫道：
>
> From: Fabien Parent
>
> Add DRM support for MT8365 SoC.
>
> Signed-off-by: Fabien Parent
> Reviewed-by: AngeloGioacchino Del Regno
>
> Signed-off-by: Alexandre Mergnat
> ---
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 8
> 1 file changed,
Hi, Alexandre:
於 2024年5月23日 週四 下午8:49寫道：
>
> From: Fabien Parent
>
> DPI is part of the display / multimedia block in MediaTek SoCs, and
> always have a power-domain (at least in the upstream device-trees).
> Add the power-domains property to the binding documentation.
I've tired to apply this
endency.
Acked-by: Chun-Kuang Hu
>
> Fixes: 0992284b4fe4 ("drm/mediatek: Use fbdev-dma")
> Signed-off-by: Chen-Yu Tsai
> ---
> The commit this patch fixes is in drm-misc-next. Ideally this patch
> should be applied on top of it directly.
>
> CK, could you give yo
Hi Shawn:
Hsiao Chien Sung via B4 Relay
於 2024年6月20日 週四
上午12:38寫道：
>
> Signed-off-by: Hsiao Chien Sung
For the series, applied to mediatek-drm-next [1], thanks.
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next
Regards,
Chun-Kuang.
> ---
> C
Hi, Dave & Daniel:
This includes:
1. Use devm_platform_get_and_ioremap_resource() in mtk_hdmi_ddc_probe()
2. Add GAMMA 12-bit LUT support for MT8188
3. Add 0 size check to mtk_drm_gem_obj
4. Init `ddp_comp` with devm_kcalloc()
5. Rename mtk_drm_* to mtk_*
6. Drop driver owner initialization
7. Fi
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