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2260e4d8f5
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Ville Syrjälä 2260e4d8f5 drm/i915: Put the downclock_mode check back into can_enable_drrs() 
With static DRRS the user might ask for the lowest possible refresh
rate of the panel, in which case we're not going to find a suitable
downclock mode for it and we should not try to enable seamless DRRS.
This will in fact oops.

We used to check for the presence of the downclock mode here, but
that got removed in commit f0a57798fb ("drm/i915: Introduce
intel_panel_drrs_type()") as redundant (which it was at the time).
But we do need the check again now that static DRRS is a thing.

I must have not re-tested static DRRS fully after introducing
intel_panel_drrs_type() :/

Fixes: c5ee23437c ("drm/i915: Implement static DRRS")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315132752.11849-2-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
2022-03-16 13:12:05 +02:00
arch x86/gpu: include drm/i915_pciids.h directly in early quirks 2022-03-14 17:57:00 +02:00
block block: clear iocb->private in blkdev_bio_end_io_async() 2022-02-22 06:59:49 -07:00
certs certs: Fix build error when CONFIG_MODULE_SIG_KEY is empty 2022-01-23 00:08:44 +09:00
crypto crypto: af_alg - get rid of alg_memory_allocated 2022-02-15 14:29:04 +00:00
Documentation Linux 5.17-rc6 2022-02-28 14:57:14 +10:00
drivers drm/i915: Put the downclock_mode check back into can_enable_drrs() 2022-03-16 13:12:05 +02:00
fs Tracing fixes for 5.17: 2022-02-26 12:10:17 -08:00
include x86/gpu: include drm/i915_pciids.h directly in early quirks 2022-03-14 17:57:00 +02:00
init lib/stackdepot: allow optional init and stack_table allocation by kvmalloc() 2022-01-22 08:33:37 +02:00
ipc ipc/sem: do not sleep with a spin lock held 2022-02-04 09:25:05 -08:00
kernel dma-mapping fix for Linux 5.17 2022-02-27 12:42:37 -08:00
lib kasan: test: prevent cache merging in kmem_cache_double_destroy 2022-02-26 09:51:17 -08:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm memblock: use kfree() to release kmalloced memblock regions 2022-02-26 12:00:44 -08:00
net ping: remove pr_err from ping_lookup 2022-02-24 09:18:29 -08:00
samples samples/seccomp: Adjust sample to also provide kill option 2022-02-10 19:09:12 -08:00
scripts kconfig: fix failing to generate auto.conf 2022-02-12 23:24:19 +09:00
security Linux 5.17-rc6 2022-02-28 14:57:14 +10:00
sound ASoC: intel: skylake: Set max DMA segment size 2022-02-17 09:39:44 +01:00
tools Tracing fixes for 5.17: 2022-02-26 12:10:17 -08:00
usr kbuild: remove include/linux/cyclades.h from header file check 2022-01-27 08:51:08 +01:00
virt KVM: Fix lockdep false negative during host resume 2022-02-17 09:52:50 -05:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update Roman Gushchin's email 2022-02-26 09:51:17 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Removing Ohad from remoteproc/rpmsg maintenance 2021-12-08 10:09:40 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Linux 5.17-rc6 2022-02-28 14:57:14 +10:00
Makefile Linux 5.17-rc6 2022-02-27 14:36:33 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.