Some variants of the dw-hdmi on Rockchip socs use a separate phy block
accessed via the generic phy framework, so allow them to be included
if such a phy reference is found.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Zheng Yang <zhengyang@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180912124740.20343-5-heiko@sntech.de
So far we always encountered socs with 2 output crtcs needing the driver
to tell the hdmi block which output to connect to. But there also exist
socs with only one crtc like the rk3228, rk3328 and rk3368.
So adapt the register field to simply carry a negative value to signal
that no output-switching is necessary.
changes in v3:
- fixed wording issue found by Robin Murphy
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Zheng Yang <zhengyang@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180912124740.20343-3-heiko@sntech.de
In some IP implementations the reading of the phy-type may be broken.
One example are the Rockchip rk3228 and rk3328 socs that use a separate
vendor-type phy from Innosilicon but still report the HDMI20_TX type.
So allow the glue driver to force the vendor-phy for these cases.
In the future it may be necessary to allow forcing other types, but
for now we'll keep it simply to the case actually seen in the wild.
changes in v3:
- only allow forcing vendor type, as suggested by Laurent
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Zheng Yang <zhengyang@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180912124740.20343-2-heiko@sntech.de
Link: https://patchwork.freedesktop.org/patch/msgid/20180912124740.20343-3-heiko@sntech.de
Hardware allow to read the position in scanout buffer so
we can use this information to make wait of vblank more accurate.
Active area bounds (start, end, total height) have already been
computed and written in ltdc registers, read them and get the
current line position to compute vpos value.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: Yannick Fertré <yannick.fertre@st.com>
Tested-by: Yannick Fertré <yannick.fertre@st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180629130140.16004-1-benjamin.gaignard@linaro.org
This patch adds Olimex Ltd. LCD-OLinuXino bridge panel driver. The panel
is used with different LCDs (currently from 480x272 to 1280x800). A
small EEPROM chip is used for identification, which holds some factory
data and timing requirements.
Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1531383729-13932-1-git-send-email-stefan@olimex.com
This panel is marketed as Banana Pi 7" LCD display. On the back is
a sticker denoting the model name S070WV20-CT16.
This is a 7" 800x480 panel connected through a 24-bit RGB interface.
However the panel only does 262k colors.
Depending on the variant, the PCB attached to the panel module either
supports DSI, or DSI + 24-bit RGB. DSI is converted to 24-bit RGB via
an onboard ICN6211 MIPI DSI - RGB bridge chip, then fed to the panel
itself.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180907041948.19913-5-wens@csie.org
There is no need to check innolux->base.dev when trying to remove
the panel, as that variable is always set directly before the panel
gets added and will still be available on panel_remove.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180816140920.5009-1-heiko@sntech.de
GPD has done it again, make a nice device (good), use way too generic
DMI strings (bad) and use a portrait screen rotated 90 degrees (ugly).
Because of the too generic DMI strings this entry is also doing bios-date
matching, so the gpd_win2 data struct may very well need to be updated
with some extra bios-dates in the future.
Reported-and-tested-by: russianneuromancer@ya.ru
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180909133457.10636-3-hdegoede@redhat.com
The variable is declared in an #ifdef section, but the user is
now unconditional, which leads to a build failure:
drivers/gpu/drm/imx/imx-drm-core.c: In function 'imx_drm_bind':
drivers/gpu/drm/imx/imx-drm-core.c:264:6: error: 'legacyfb_depth' undeclared (first use in this function); did you mean 'lockdep_depth'?
Remove the remaining #ifdef as well.
Fixes: f53705fd98 ("drm/imx: Use drm_fbdev_generic_setup()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926193846.2490574-1-arnd@arndb.de
The hs_start interrupt on rk3188 fires at the start of a new frame, so
serves essentially the same purpose as the dsp_hold_valid irq in checking
when the last frame got delivered when going to standby. So define it
to fix a hang on atomic_disable of the vop because the completion never
really completed before.
Fixes: 428e15cc41 ("drm/rockchip: vop: add rk3188 vop definitions")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Sandy Huang <hjc@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180923123730.14706-1-heiko@sntech.de
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 <contact@tzimmermann.org>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180701132415.10161-1-contact@tzimmermann.org
This reverts commit 3510e7a7f9.
During the 4.19 merge window for drm-misc, two patches critical to
supporting the display pipeline on the Allwinner R40 SoC were missed.
They were applied later but missed the merge window deadline. As a
result 4.19-rc1 kernel would crash on the R40 when it couldn't parse
the new device tree structure. We ended up removing support for the
R40 display pipeline for 4.19.
Since the missing patches are already merged for 4.20, we can now
revert the commit that removed support.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180921142743.8711-1-wens@csie.org
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 <tzimmermann@suse.de>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926114312.23097-1-tzimmermann@suse.de
The lcdif block is only powered on when display is active so plane
updates when not enabled are not valid. Writing to an unpowered IP block
is mostly ignored but can trigger bus errors on some chips.
Prevent this situation by switching to drm_atomic_helper_commit_tail_rpm
and having the drm core ensure atomic_plane_update is only called while
the crtc is active. This avoids having to keep track of "enabled" bits
inside the mxsfb driver.
This also requires handling the vblank event for disable from
mxsfb_pipe_disable.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Suggested-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/c19c0c00ed42e8e8f7965aa4821ac295abc5cd05.1537191359.git.leonard.crestez@nxp.com
Adding lcdif nodes to a power domain currently results in
black/corrupted screens or hangs because power is not correctly enabled
when required.
Ensure power is on when display is active by adding
pm_runtime_get/put_sync to mxsfb_pipe_enable/disable.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/ee88148399c63494cda4129b05444b0ac331b7a7.1537191359.git.leonard.crestez@nxp.com
LCDIF will repeatedly display data from CUR_BUF and set CUR_BUF to
NEXT_BUF when done. Since we are only ever writing to NEXT_BUF the
display will show an initial corrupt frame.
Fix by writing the FB paddr to both CUR_BUF and NEXT_BUF when
activating the CRTC.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/7cdac9c064cc2b8a3d237934f186da98cefe6cb3.1537191359.git.leonard.crestez@nxp.com
The main axi clk is disabled at the end of mxsfb_crtc_mode_set_nofb and
immediately reenabled in mxsfb_enable_controller.
Avoid this by moving the handling of axi clk one level up to
mxsfb_crtc_enable. Do the same for mxsfb_crtc_disable for symmetry.
This shouldn't have any functional effect.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/985c1f1cad250bd9ca154b3e4b3f913c310eeabd.1537191359.git.leonard.crestez@nxp.com
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 <tzimmermann@suse.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926115640.24755-1-tzimmermann@suse.de
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 <tzimmermann@suse.de>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180926120212.25359-1-tzimmermann@suse.de
Implement vmap/vunmap so we can export dmabufs to
other drivers, such as video4linux.
Tested with a virtio-gpu / vivid (virtual capture driver)
pipeline, where the vivid driver imports the dmabufs exported
by virtio-gpu.
Note that dma_buf_vmap() does its own vmap counting, so
it's not needed to take care of it in the driver.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180925161606.17980-4-ezequiel@collabora.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Currently, virtio_gpu_object_kmap() is only called by
virtio_gpufb_create(), when a DRM framebuffer is created.
Thus, instead of returning the vmap'ed address, emit a warning
if virtio_gpu_object_kmap is called on an already mapped
object. With this change, kmap/kunmap calls are now balanced.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180925161606.17980-3-ezequiel@collabora.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The function ttm_bo_put releases a reference to a TTM buffer object. The
function's name is more aligned to the Linux kernel convention of naming
ref-counting function _get and _put.
A call to ttm_bo_unref takes the address of the TTM BO object's pointer and
clears the pointer's value to NULL. This is not necessary in most cases and
sometimes even worked around by the calling code. A call to ttm_bo_put only
releases the reference without clearing the pointer.
The current behaviour of cleaning the pointer is kept in the calling code,
but should be removed if not required in a later patch.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Signed-off-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
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 <tzimmermann@suse.de>
Reviewed-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Signed-off-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
convert drm_atomic_helper_suspend/resume() to use
drm_mode_config_helper_suspend/resume().
Fixed one sparse warning by making hibmc_drm_interrupt
static.
Signed-off-by: Ajit Negi <ajitn.linux@gmail.com>
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Signed-off-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Switch to use Huawei PCI vendor ID macro from pci_ids.h file.
In addition, switch to use PCI_VDEVICE() instead of open coding.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Signed-off-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Currently the driver overwrites the surface depth provided by the fb
helper to give an invalid bpp/surface depth combination.
This has been exposed by commit 70109354fe ("drm: Reject unknown legacy
bpp and depth for drm_mode_addfb ioctl"), which now causes the driver to
fail to probe.
Fix by not overwriting the surface depth.
Fixes: d1667b8679 ("drm/hisilicon/hibmc: Add support for frame buffer")
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Signed-off-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Use DRM_FORMAT_HOST_XRGB8888, so we are using the correct format code
on bigendian machines. Also set the quirk_addfb_prefer_host_byte_order
mode_config bit so drm_mode_addfb() asks for the correct format code.
Both DRM_FORMAT_* and VIRTIO_GPU_FORMAT_* are defined to be little
endian, so using a different mapping on bigendian machines is wrong.
It's there because of broken drm_mode_addfb() behavior. So with
drm_mode_addfb() being fixed we can fix this too.
While wading through the code I've noticed we have a little issue in
virtio: We attach a format to the bo when it is created
(DRM_IOCTL_MODE_CREATE_DUMB), not when we map it as framebuffer
(DRM_IOCTL_MODE_ADDFB). Easy way out: Support a single format only.
Pick DRM_FORMAT_HOST_XRGB8888, it is the only one actually used in
practice. Drop unused mappings in virtio_gpu_translate_format().
With this patch applied both ADDFB and ADDFB2 ioctls work correctly in
the virtio-gpu.ko driver on big endian machines. Without the patch only
ADDFB (which still seems to be used by the majority of userspace) works
correctly.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20180921134704.12826-6-kraxel@redhat.com
Add bochs_hw_set_*_endian() helper functions, to set the framebuffer
byteorder at mode set time. Support both DRM_FORMAT_XRGB8888 and
DRM_FORMAT_BGRX8888 framebuffer formats, no matter what the native
machine byte order is.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20180921134704.12826-5-kraxel@redhat.com
Use DRM_FORMAT_HOST_XRGB8888, so we are using the correct format code
on bigendian machines. Also set the quirk_addfb_prefer_host_byte_order
mode_config bit so drm_mode_addfb() asks for the correct format code.
Create our own plane and use drm_crtc_init_with_planes() instead of
depending on the default created by drm_crtc_init(). That way the plane
format list is correct on bigendian machines.
Also re-add the framebuffer format check dropped by "df2052cc92 bochs:
convert to drm_fb_helper_fbdev_setup/teardown".
With this patch applied both ADDFB and ADDFB2 ioctls work correctly in
the bochs-drm.ko driver on big endian machines. Without the patch only
ADDFB (which still seems to be used by the majority of userspace) works
correctly.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20180921134704.12826-4-kraxel@redhat.com
Creating framebuffers for fbdev emulation should use the correct format
code too, so switch drm_gem_fbdev_fb_create() over to use the new
drm_driver_legacy_fb_format() function.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20180921134704.12826-3-kraxel@redhat.com
Turns out we need the pixel format fixup not only for the addfb ioctl,
but also for fbdev emulation code.
Ideally we would place it in drm_mode_legacy_fb_format(). That would
create alot of churn though, and most drivers don't care because they
never ever run on a big endian platform. So add a new
drm_driver_legacy_fb_format() function instead which looks at the
mode_config->quirk_addfb_prefer_host_byte_order flag.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20180921134704.12826-2-kraxel@redhat.com
Pass virtio_gpu_object down to virtio_gpu_cmd_transfer_to_host_2d and
virtio_gpu_cmd_transfer_to_host_3d functions, instead of passing just
the virtio resource handle.
This is needed to lookup the scatter list of the object, for dma sync.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jiandi An <jiandi.an@amd.com>
Tested-by: Jiandi An <jiandi.an@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180920062924.6514-1-kraxel@redhat.com
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-20-noralf@tronnes.org
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
drm_fbdev_generic_setup() handles mode_config.num_connector being zero.
In that case it retries fbdev setup on the next .output_poll_changed.
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-19-noralf@tronnes.org
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-18-noralf@tronnes.org
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
If drm_fbdev_generic_setup() fails, an error is printed by the function.
drm_fbdev_generic_setup() handles mode_config.num_connector being zero.
In that case it retries fbdev setup on the next .output_poll_changed.
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-14-noralf@tronnes.org
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-13-noralf@tronnes.org
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
CONFIG_DRM_FBDEV_EMULATION wasn't honoured by the CMA helper, but it is by
drm_fb_helper.
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-12-noralf@tronnes.org
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-10-noralf@tronnes.org
The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().
The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.
Cc: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-9-noralf@tronnes.org
Improve error reporting in drm_fb_helper_fbdev_setup() by printing the
error code. This is useful for drivers that choose to not fall over just
because fbdev doesen't work, but still wants clues to why it failed.
This way they don't have to provide an error message themselves.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-2-noralf@tronnes.org
Add support for the R-Car D3 (R8A77995) and E3 (R8A77990) SoCs to the
R-Car DU driver. The two SoCs instantiate compatible DUs, so a single
information structure is enough.
Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
[Add support for R8A77990]
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
The official way to stop the display is to clear the display enable
(DEN) bit in the DSYSR register, but that operates at a group level and
affects the two channels in the group. To disable channels selectively,
the driver uses TV sync mode that stops display operation on the channel
and turns output signals into inputs.
While TV sync mode is available in all DU models currently supported,
the D3 and E3 DUs don't support it. We will thus need to find an
alternative way to turn channels off.
In the meantime, condition the switch to TV sync mode to the
availability of the feature, to avoid writing an invalid value to the
DSYSR register. When the feature is unavailable the display output will
turn blank as all planes are disabled when stopping the CRTC.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
DSYSR is a DU channel register that also contains group fields. It is
thus written to by both the group and CRTC code, using read-update-write
sequences. As the register isn't initialized explicitly at startup time,
this can lead to invalid or otherwise unexpected values being written to
some of the fields if they have been modified by the firmware or just
not reset properly.
To fix this we can write a fully known value to the DSYSR register when
turning a channel's functional clock on. However, the mix of group and
channel fields complicate this. A simpler solution is to cache the
register and initialize the cached value to the desired hardware
defaults.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
All Gen3 SoCs supported so far have a fixed association between DPAD0
and DU channels, which led to hardcoding that association when writing
the corresponding hardware register. The D3 and E3 will break that
mechanism as DPAD0 can be dynamically connected to either DU0 or DU1.
Make DPAD0 routing dynamic on Gen3. To ensure a valid hardware
configuration when the DU starts without the RGB output enabled, DPAD0
is associated at initialization time to the first DU channel that it can
be connected to. This makes no change on Gen2 as all Gen2 SoCs can
connected DPAD0 to DU0, which is the current implicit default value.
As the DPAD0 source is always 0 when a single source is possible on
Gen2, we can also simplify the Gen2 code in the same function to remove
a conditional check.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
On selected SoCs, the DU can use the clock output by the LVDS encoder
PLL as its input dot clock. This feature is optional, but on the D3 and
E3 SoC it is often the only way to obtain a precise dot clock frequency,
as the other available clocks (CPG-generated clock and external clock)
usually have fixed rates.
Add a DU model information field to describe which DU channels can use
the LVDS PLL output clock as their input clock, and configure clock
routing accordingly.
This feature is available on H2, M2-W, M2-N, D3 and E3 SoCs, with D3 and
E3 being the primary targets. It is left disabled in this commit, and
will be enabled per-SoC after careful testing.
At the hardware level, clock routing is configured at runtime in two
steps, first selecting an internal dot clock between the LVDS PLL clock
and the external DOTCLKIN clock, and then selecting between the internal
dot clock and the CPG-generated clock. The first part requires stopping
the whole DU group in order for the change to take effect, thus causing
flickering on the screen. For this reason we currently hardcode the
clock source to the LVDS PLL clock if available, and allow flicker-free
selection of the external DOTCLKIN clock or CPG-generated clock
otherwise. A more dynamic clock selection process can be implemented
later if the need arises.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
The rcar_du_crtc_get() function is always immediately followed by a call
to rcar_du_crtc_setup(). Call the later from the former to simplify the
code, and add a comment to explain how the get and put calls are
balanced.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
The LVDS encoders in the D3 and E3 SoCs differ significantly from those
in the other R-Car Gen3 family members:
- The LVDS PLL architecture is more complex and requires computing PLL
parameters manually.
- The PLL uses external clocks as inputs, which need to be retrieved
from DT.
- In addition to the different PLL setup, the startup sequence has
changed *again* (seems someone had trouble making his/her mind).
Supporting all this requires DT bindings extensions for external clocks,
brand new PLL setup code, and a few quirks to handle the differences in
the startup sequence.
The implementation doesn't support all hardware features yet, namely
- Using the LV[01] clocks generated by the CPG as PLL input.
- Providing the LVDS PLL clock to the DU for use with the RGB output.
Those features can be added later when the need will arise.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
The THC63LVD1024 is restricted to a pixel clock frequency in the range
of 8 to 135 MHz. Implement the bridge .mode_valid() operation
accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Both the .enable_signaling and .release of the null syncobj fence
can be replaced by the default callbacks for a small reduction in code
size. In particular the default callback for .release was changed in
commit e28bd101ae ("drm: rename null fence to stub fence in syncobj v2")
which neglected its RCU protection.
Fixes: e28bd101ae ("drm: rename null fence to stub fence in syncobj v2")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920200530.2836-1-chris@chris-wilson.co.uk
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
All DRM_CLIENT capabilities are tied to KMS support, so returning
-EOPNOTSUPP when KMS is not supported.
v2: returning -EOPNOTSUPP(same value as posix ENOTSUP and available
in uapi) instead of -ENOTSUPP
v3: adding comments about the feature requirement about capabilities
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180918174809.17123-1-jose.souza@intel.com
This is a new pull for drm-next on top of last weeks with the following
changes:
- Fixed 64 bit divide
- Fixed vram type on vega20
- Misc vega20 fixes
- Misc DC fixes
- Fix GDS/GWS/OA domain handling
Previous changes from last week:
amdgpu/kfd:
- Picasso (new APU) support
- Raven2 (new APU) support
- Vega20 enablement
- ACP powergating improvements
- Add ABGR/XBGR display support
- VCN JPEG engine support
- Initial xGMI support
- Use load balancing for engine scheduling
- Lots of new documentation
- Rework and clean up i2c and aux handling in DC
- Add DP YCbCr 4:2:0 support in DC
- Add DMCU firmware loading for Raven (used for ABM and PSR)
- New debugfs features in DC
- LVDS support in DC
- Implement wave kill for gfx/compute (light weight reset for shaders)
- Use AGP aperture to avoid gart mappings when possible
- GPUVM performance improvements
- Bulk moves for more efficient GPUVM LRU handling
- Merge amdgpu and amdkfd into one module
- Enable gfxoff and stutter mode on Raven
- Misc cleanups
Scheduler:
- Load balancing support
- Bug fixes
ttm:
- Bulk move functionality
- Bug fixes
radeon:
- Misc cleanups
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920150438.12693-1-alexander.deucher@amd.com
Because CRAT_CU_FLAGS_IOMMU_PRESENT was not set in some BIOS crat, we
need to workaround this.
For future compatibility, we also overwrite the bit in capability according
to the value of needs_iommu_device.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CWSR fails on Raven if the control stack is MTYPE_UC, which is used
for regular GART mappings. As a workaround we map it using MTYPE_NC.
The MEC firmware expects the control stack at one page offset from the
start of the MQD so it is part of the MQD allocation on GFXv9. AMDGPU
added a memory allocation flag just for this purpose.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
A wrong register bit was examinated for checking SDMA status so it reports
false failures. This typo only appears on gfx_v7. gfx_v8 checks the correct
bit.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Amber Lin <Amber.Lin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Planes without an alpha property, using __drm_atomic_helper_plane_reset
will have their plane state alpha initialised as zero, which represents
a transparent alpha.
If this value is then used for the plane, it may not be visible by
default, and thus doesn't represent a good initialisation state.
Update the default state->alpha value to DRM_BLEND_ALPHA_OPAQUE
unconditionally when the plane is reset.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180919155700.10342-2-kieran.bingham+renesas@ideasonboard.com
Commit 19be557010 ("drm/ttm: add operation ctx to ttm_bo_validate v2")
introduced a regression where the vmwgfx driver refused to evict a
buffer that was still busy instead of waiting for it to become idle.
Fix this.
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
If framebuffers are larger, we create bounce surfaces that are within
STDU limits.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
For all display units, limit mode size exposed to texture_max_width/
height as this is the maximum framebuffer size that virtual device can
create.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
For STDU individual screen target size is limited by
SVGA_REG_SCREENTARGET_MAX_WIDTH/HEIGHT registers so add that limit
during atomic check_modeset.
An additional limit is placed in the update_layout ioctl to avoid
requesting layouts that current user-space typically can't support.
Also modified the comments to reflect current limitation on topology.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
During atomic check to prepare the new topology no need to check if
old_crtc_state was enabled or not. This will cause atomic_check to fail
because due to connector routing a crtc can be in atomic_state even if
there was no change to enable status.
Detected this issue with igt run.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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Merge tag 'du-next-20180914' of git://linuxtv.org/pinchartl/media into drm-next
R-Car DU changes for v4.20
The pull request mostly contains updates to the R-Car DU driver, notably
support for interlaced modes on Gen3 hardware, support for the LVDS output on
R8A77980, and a set of miscellaneous bug fixes. There are also two SPDX
conversion patches for the drm shmobile and panel-lvds drivers, as well as an
update to MAINTAINERS to add Kieran Bingham as a co-maintainer for the DU
driver.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3273568.LdoAI77IYW@avalon
Temporary disable UVD/VCE block if is virtual device
Signed-off-by: Frank Min <Frank.Min@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add sriov capability detection for vega20, then can check if device is
virtual device.
Signed-off-by: Frank Min <Frank.Min@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
UAPI Changes:
- None
Cross-subsystem Changes:
- None
Core Changes:
- Allow drivers to disable features with per-device granularity (Ville)
- Use EOPNOTSUPP when iface/feature is unsupported instead of
EINVAL/errno soup (Chris)
- Simplify M/N DP quirk by using constant N to limit size of M/N (Shawn)
- add quirk for LG LP140WF6-SPM1 eDP panel (Shawn)
Driver Changes:
- i915/amdgpu: Disable DRIVER_ATOMIC for older/unsupported devices (Ville)
- sun4i: add support for R40 HDMI PHY (Icenowy)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Icenowy Zheng <icenowy@aosc.io>
Cc: Lee, Shawn C <shawn.c.lee@intel.com>
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Merge tag 'drm-misc-next-2018-09-19' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 4.20:
UAPI Changes:
- None
Cross-subsystem Changes:
- None
Core Changes:
- Allow drivers to disable features with per-device granularity (Ville)
- Use EOPNOTSUPP when iface/feature is unsupported instead of
EINVAL/errno soup (Chris)
- Simplify M/N DP quirk by using constant N to limit size of M/N (Shawn)
- add quirk for LG LP140WF6-SPM1 eDP panel (Shawn)
Driver Changes:
- i915/amdgpu: Disable DRIVER_ATOMIC for older/unsupported devices (Ville)
- sun4i: add support for R40 HDMI PHY (Icenowy)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Icenowy Zheng <icenowy@aosc.io>
Cc: Lee, Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20180919200218.GA186644@art_vandelay
one srcu locking fix and one fix for GGTT clear when destroy vGPU."
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Merge tag 'drm-intel-fixes-2018-09-19' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Only fixes coming from gvt containing "Two more BXT fixes from Colin,
one srcu locking fix and one fix for GGTT clear when destroy vGPU."
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180919151915.GA6309@intel.com
- Fix crash in vgem in drm_drv_uses_atomic_modeset.
- Allow atomic drivers that don't set DRIVER_ATOMIC to create debugfs entries.
- Fix compiler warning for unused connector_funcs.
- Fix null pointer deref on UDL unplug.
- Disable DRM support for sun4i's R40 for now.
(Not all patches went in for v4.19, so it has to wait a cycle.)
- NULL-terminate the of_device_id table in pl111.
- Make sure vc4 NV12 planar format works when displaying an unscaled fb.
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Merge tag 'drm-misc-fixes-2018-09-19' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v4.19-rc5:
- Fix crash in vgem in drm_drv_uses_atomic_modeset.
- Allow atomic drivers that don't set DRIVER_ATOMIC to create debugfs entries.
- Fix compiler warning for unused connector_funcs.
- Fix null pointer deref on UDL unplug.
- Disable DRM support for sun4i's R40 for now.
(Not all patches went in for v4.19, so it has to wait a cycle.)
- NULL-terminate the of_device_id table in pl111.
- Make sure vc4 NV12 planar format works when displaying an unscaled fb.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/dda393bb-f13f-8d36-711b-cacfc578e5a3@linux.intel.com
We don't need that in the per ASIC code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stops crashing on SI.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
That only worked by pure coincident. Completely remove the shifting and
always apply correct PAGE_SHIFT.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Don't grab the reservation lock any more and simplify the handling quite
a bit.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It shouldn't add much overhead and we should make sure that critical
VRAM content is always restored.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
They aren't directly used by the hardware.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Even when GPU recovery is disabled we could run into a manually
triggered recovery.
v2: keep accidental removed comments
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We are going to need this for recoverable page fault handling and it
makes shadow handling during GPU reset much more easier.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
DC doesn't seem to have a fallback path either.
So when interrupts doesn't work any more we are pretty much busted no
matter what.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
With OD settings applied, the clock table will be updated accordingly.
We need to retrieve the new clock tables then.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
With the latest SMC fw, we are able to get the voltage value for
specific frequency point. So, we update the OD relates to take
absolute voltage instead of offset.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Update the conditions to judge whether an OD feature
should be supported on vega20.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
vega20 should use umc_info v3_3 instead of v3_1. There are
serveral versions of umc_info for vega series. Compared to
various versions of these structures, vram_info strucure is
unified for vega series. The patch switch to query mem_type
from vram_info structure for all the vega series dGPU.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
atomfirmware has structure changes in varm_info. Updated it
to the latest one.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
In function ‘radeon_process_i2c_ch’ a comparison of a u8 value against
255 is done. Since it is always false, change the signature of this
function to use an `int` instead, which match the type used in caller:
`radeon_atom_hw_i2c_xfer`.
Fix the following warning triggered with W=1:
CC [M] drivers/gpu/drm/radeon/atombios_i2c.o
drivers/gpu/drm/radeon/atombios_i2c.c: In function ‘radeon_process_i2c_ch’:
drivers/gpu/drm/radeon/atombios_i2c.c:71:11: warning: comparison is always false due to limited range of data type [-Wtype-limits]
if (num > ATOM_MAX_HW_I2C_READ) {
^
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
