Revision 21635d7311734d2d1b177f8a95e2f9386174b76d authored by Jani Nikula on 05 April 2019, 07:52:20 UTC, committed by Rodrigo Vivi on 10 April 2019, 16:06:39 UTC
Commit 7769db588384 ("drm/i915/dp: optimize eDP 1.4+ link config fast and narrow") started to optize the eDP 1.4+ link config, both per spec and as preparation for display stream compression support. Sadly, we again face panels that flat out fail with parameters they claim to support. Revert, and go back to the drawing board. v2: Actually revert to max params instead of just wide-and-slow. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109959 Fixes: 7769db588384 ("drm/i915/dp: optimize eDP 1.4+ link config fast and narrow") Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Matt Atwood <matthew.s.atwood@intel.com> Cc: "Lee, Shawn C" <shawn.c.lee@intel.com> Cc: Dave Airlie <airlied@gmail.com> Cc: intel-gfx@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v5.0+ Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Manasi Navare <manasi.d.navare@intel.com> Tested-by: Albert Astals Cid <aacid@kde.org> # v5.0 backport Tested-by: Emanuele Panigati <ilpanich@gmail.com> # v5.0 backport Tested-by: Matteo Iervasi <matteoiervasi@gmail.com> # v5.0 backport Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190405075220.9815-1-jani.nikula@intel.com (cherry picked from commit f11cb1c19ad0563b3c1ea5eb16a6bac0e401f428) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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test_module.c
/*
* This module emits "Hello, world" on printk when loaded.
*
* It is designed to be used for basic evaluation of the module loading
* subsystem (for example when validating module signing/verification). It
* lacks any extra dependencies, and will not normally be loaded by the
* system unless explicitly requested by name.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/init.h>
#include <linux/module.h>
#include <linux/printk.h>
static int __init test_module_init(void)
{
pr_warn("Hello, world\n");
return 0;
}
module_init(test_module_init);
static void __exit test_module_exit(void)
{
pr_warn("Goodbye\n");
}
module_exit(test_module_exit);
MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
MODULE_LICENSE("GPL");
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