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The ast crtc implementation provides a custom reset hook. However,
this hook only allocates the state, initializes it with
__drm_atomic_helper_crtc_reset(), and frees the previous state. It
does not perform any hardware reset.
Since this is exactly what the atomic_create_state hook is meant to
do, minus the old state cleanup which the caller handles, convert the
implementation to use atomic_create_state with
__drm_atomic_helper_crtc_state_init() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-47-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The malidp crtc implementation provides a custom reset hook. However,
this hook only allocates the state, initializes it with
__drm_atomic_helper_crtc_reset(), and frees the previous state. It
does not perform any hardware reset.
Since this is exactly what the atomic_create_state hook is meant to
do, minus the old state cleanup which the caller handles, convert the
implementation to use atomic_create_state with
__drm_atomic_helper_crtc_state_init() instead.
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-46-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The komeda crtc implementation provides a custom reset hook. However,
this hook only allocates the state, initializes it with
__drm_atomic_helper_crtc_reset(), and frees the previous state. It
does not perform any hardware reset.
Since this is exactly what the atomic_create_state hook is meant to
do, minus the old state cleanup which the caller handles, convert the
implementation to use atomic_create_state with
__drm_atomic_helper_crtc_state_init() instead.
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-45-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-43-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The xlnx crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-40-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The virtio crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-39-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The verisilicon crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-38-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The vbox crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-37-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The udl crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-36-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The sharp crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-35-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The pixpaper crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-34-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The cirrus crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-33-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The bochs crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-32-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The appletbdrm crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Acked-by: Aditya Garg <aditya.garg@linux.dev>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-31-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The KUnit test helpers use the deprecated
drm_atomic_helper_crtc_reset() as their reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-28-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The sun4i crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-27-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The stm crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Acked-by: Raphaël Gallais-Pou <raphael.gallais-pou@foss.st.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-26-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The sti crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Acked-by: Raphaël Gallais-Pou <rgallaispou@gmail.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-25-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The sprd crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-24-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The st7571 crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-23-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The simple KMS crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-22-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The reset_crtc hook in drm_simple_display_pipe_funcs allows simple
KMS drivers to provide a custom CRTC reset implementation. However,
no driver ever implemented it.
Remove the hook and the wrapper function, and use
drm_atomic_helper_crtc_reset() directly.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-21-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The shmobile crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-20-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The qxl crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-19-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The mxsfb crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-18-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The mdp4 crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-17-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The meson crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-16-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The kmb crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-14-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The ingenic crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Acked-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-13-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The imx dcss crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-12-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The imx dc crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-11-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The hyperv crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-10-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The kirin crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Acked-by: John Stultz <jstultz@google.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-9-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The hibmc crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-8-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The gud crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Acked-by: Ruben Wauters <rubenru09@aol.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-7-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The fsl-dcu crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-6-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The exynos crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-5-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The armada crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-4-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The hdlcd crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-3-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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The adp crtc implementation uses the deprecated
drm_atomic_helper_crtc_reset() as its reset hook.
Switch to drm_atomic_helper_crtc_create_state() instead.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260821-drm-no-more-crtc-reset-v1-1-fb793475c05a@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Updating drm-misc-fixes to the state of v7.2.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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The simple KMS helpers are deprecated because they only add an
intermediate layer between drivers and atomic modesetting.
All driver users of drm_simple_encoder_init() have been converted to
drm_encoder_init(). Drop the helper and open-code its remaining internal
use in drm_simple_display_pipe_init() to prevent new users.
Signed-off-by: Diogo Silva <diogompaissilva@gmail.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260720-drm_simple_encoder_init-v2-14-5020b630668a@gmail.com
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drm_sysfb_plane_helper_atomic_disable() previously used
plane_state->src_* coordinates to construct the clear rectangle,
which depends on user-controlled input. Instead, clear the entire
visible framebuffer region using fb_mode dimensions, and use
drm_format_info_min_pitch() to compute the safe per-line clear size
without touching non-visible bytes at the end of each line.
Signed-off-by: Shixiong Ou <oushixiong@kylinos.cn>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260826075613.483617-1-oushixiong1025@163.com
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Merge v7.3-rc1 into drm-rust-next to start the next cycle.
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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DisplayPort supports EDID up to 256 bytes (blocks 0 and 1). Update the
block check to allow these two blocks. For any block beyond that
(i.e. the monitor's EDID is larger than the 256 bytes ASPEED DP can
hold), report it as an all-zero block instead of a read failure.
Also remove the manual checksum/extension-count patch of block 0's
last four bytes. That code was already dead, so the condition can never
be true.
Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260819-upstream_ast_dp_edid-v3-1-15d36c28afe2@aspeedtech.com
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pci_match_device() can return the dummy pci_device_id_any entry
when a device is force-bound via sysfs driver_override, in which
case ->driver_data is unset (NULL). i915_pci_probe() casts it to
struct intel_device_info * unconditionally and dereferences
intel_info->require_force_probe, causing a NULL-ptr-deref.
Reported-by: syzbot+db96c5ff032f4292a8dc@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=db96c5ff032f4292a8dc
Tested-by: syzbot+db96c5ff032f4292a8dc@syzkaller.appspotmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Deepanshu Kartikey <kartikey406@gmail.com>
Link: https://patch.msgid.link/20260813064902.367504-1-kartikey406@gmail.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 2727922084672cc274ecea726ea00363c2893731)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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dg2_power_well_count() is supposed to return an integer,
not a boolean. Make it so.
Fixes: 9112ce99c1d7 ("drm/i915/cdclk: Extract dg2_power_well_count()")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260826143100.19401-1-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
(cherry picked from commit dcf423710d0253d7d729c3992bbae0c6197c9c22)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Apparently PTL+ no longer has the cd2x pipe select field in
CDCLK_CTL. Take that into account during CDCLK sanitization.
This currently triggers a spurious CDCLK sanitization during
driver load on PTL+ which will causes a visible glitch on all
active displays.
Cc: stable@vger.kernel.org
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/work_items/8550
Fixes: 2ee8dbd880b1 ("drm/i915/cdclk: Fix up CDCLK_FREQ_DECIMAL without a full PLL re-enable")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260717155107.17801-1-ville.syrjala@linux.intel.com
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
(cherry picked from commit 1786d26887817a779641d3a093c66ac91382113b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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icl_plane_disable_sel_fetch_arm() wrote SEL_FETCH_PLANE_CTL = 0 only when
crtc_state->enable_psr2_sel_fetch was set. If a plane was disabled after
selective fetch had been turned off, the guard fired early and left the
register's enable bit set in hardware.
The bit is harmless until selective fetch is re-enabled. When it is, the
hardware resumes fetching for the now-disabled plane and keeps its old DDB
range reserved.
i9xx_cursor_disable_sel_fetch_arm() has the same guard on SEL_FETCH_CUR_CTL
and is fixed the same way.
v2: Add same check for cursor also. [sashiko]
Cc: stable@vger.kernel.org
Fixes: b1f5279b5981 ("drm/i915/psr: Move plane sel fetch configuration into plane source files")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/work_items/8739
Assisted-by: GitHub-Copilot:claude-opus-4.6
Signed-off-by: Nemesa Garg <nemesa.garg@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patch.msgid.link/20260818095149.2172935-1-nemesa.garg@intel.com
(cherry picked from commit 600a7c9d40e5e0c5544f42d1c9592c8d15224dc0)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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DDI_CLK_VALFREQ is programmed with the port clock, which for DP is the
symbol clock computed assuming 8b/10b encoding (link_rate / 10). For
DP 128b/132b (UHBR) rates and for HDMI FRL the port clock needs to
be modified.
DDI_CLK_VALFREQ does not have any functional impact on H/w, it
only records the frequency S/w intends to set.
Use intel_ddi_link_symbol_clock() to write the correct DDI clock in
kHz
Fixes: 5ec58d714935 ("drm/i915/lt_phy: Add .enable_clock hook on DDI")
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20260811175844.2613721-4-suraj.kandpal@intel.com
(cherry picked from commit eaed815ca3483c227e4ec80b86d1b3ce5c2508be)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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