]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
drm/amd/display: Add monitor patch for specific eDP
authorRyan Lin <tsung-hua.lin@amd.com>
Wed, 28 Feb 2024 18:39:21 +0000 (11:39 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 6 Mar 2024 14:48:40 +0000 (14:48 +0000)
commit82dacc26e15cbac7f64a30ad4bc2c414f78eaa8f
treef07918523e65281069915b4d3409fbae98053822
parent5e476625fa8a36d7483ec3396a2bd124c2c02066
drm/amd/display: Add monitor patch for specific eDP

commit b7cdccc6a849568775f738b1e233f751a8fed013 upstream.

[WHY]
Some eDP panels' ext caps don't write initial values. The value of
dpcd_addr (0x317) can be random and the backlight control interface
will be incorrect.

[HOW]
Add new panel patches to remove sink ext caps.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.5.x
Cc: Tsung-hua Lin <tsung-hua.lin@amd.com>
Cc: Chris Chi <moukong.chi@amd.com>
Reviewed-by: Wayne Lin <wayne.lin@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Ryan Lin <tsung-hua.lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c