History log of /openbsd-current/sys/dev/pci/drm/i915/display/intel_ddi.c
Revision (<<< Hide revision tags) (Show revision tags >>>) Date Author Comments
# 1.10 18-Apr-2024 jsg

drm/i915: Disable port sync when bigjoiner is used

From Ville Syrjala
2708354ffb70c0a6ec8dd6944077ca7e50a2688b in linux-6.6.y/6.6.28
0653d501409eeb9f1deb7e4c12e4d0d2c9f1cba1 in mainline linux


Revision tags: OPENBSD_7_5_BASE
# 1.9 16-Jan-2024 jsg

update drm to linux 6.6.12

Thanks to the OpenBSD Foundation for sponsoring this work.


Revision tags: OPENBSD_7_4_BASE
# 1.8 20-Jul-2023 jsg

drm/i915: Fix TypeC mode initialization during system resume

From Imre Deak
eaa0043a85795fd4ab10285750cabdf5c2abc8cd in linux-6.1.y/6.1.39
a82796a2e332d108b2d3aff38509caad370f69b5 in mainline linux


Revision tags: OPENBSD_7_3_BASE
# 1.7 01-Jan-2023 jsg

update drm to linux 6.1.2

new hardware support includes

AMD
Raphael, Ryzen 7000 desktop, gfx1036/GC 10.3.6
Mendocino, Ryzen & Athlon 7020 Series mobile APU, gfx1037/GC 10.3.7
Navi 31, gfx1100 dGPU, GC 11.0.0, Radeon RX 7900 XT/XTX
gfx1101 dGPU
gfx1102 dGPU
gfx1103 APU

Thanks to the OpenBSD Foundation for sponsoring this work.


Revision tags: OPENBSD_7_2_BASE
# 1.6 09-Sep-2022 jsg

drm/i915/backlight: extract backlight code to a separate file

From Jani Nikula
630ab29120b5dd1c543150da5e1aa304a5aece2e in linux 5.15.y/5.15.66
6cc42fbeb150ff33b17cbf108713ca4be23994d8 in mainline linux


# 1.5 07-Apr-2022 jsg

drm/i915/display: Move DRRS code its own file

From Jose Roberto de Souza
e2b3d1bf6ec3bc4d3687f77731eef349cef54495 in linux 5.15.y/5.15.27
a1b63119ee839c8ff622407aab25c9723943638a in mainline linux


Revision tags: OPENBSD_7_1_BASE
# 1.4 14-Jan-2022 jsg

update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt APU (gfx1035?)
Ryzen 6000 APU
navy flounder / navi 22 (gfx1031)
RX 6700, RX 6700 XT, RX 6700M, RX 6800M, RX 6850M XT
dimgrey cavefish / navi 23 (gfx1032)
Pro W6600, Pro W6600M, RX 6600, RX 6600 XT, RX 6600M,
RX 6600S, RX 6650M, RX 6650M XT, RX 6700S, RX 6800S
beige goby / navi 24 (gfx1034)
RX 6500 XT, RX 6400, RX 6500M, RX 6300M

Thanks to the OpenBSD Foundation for sponsoring this work
niklas@ for helping with ttm and amdgpu and patrick@ for adapting
rockchip drm.


Revision tags: OPENBSD_7_0_BASE
# 1.3 07-Jul-2021 jsg

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.


Revision tags: OPENBSD_6_8_BASE OPENBSD_6_9_BASE
# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.


# 1.9 16-Jan-2024 jsg

update drm to linux 6.6.12

Thanks to the OpenBSD Foundation for sponsoring this work.


Revision tags: OPENBSD_7_4_BASE
# 1.8 20-Jul-2023 jsg

drm/i915: Fix TypeC mode initialization during system resume

From Imre Deak
eaa0043a85795fd4ab10285750cabdf5c2abc8cd in linux-6.1.y/6.1.39
a82796a2e332d108b2d3aff38509caad370f69b5 in mainline linux


Revision tags: OPENBSD_7_3_BASE
# 1.7 01-Jan-2023 jsg

update drm to linux 6.1.2

new hardware support includes

AMD
Raphael, Ryzen 7000 desktop, gfx1036/GC 10.3.6
Mendocino, Ryzen & Athlon 7020 Series mobile APU, gfx1037/GC 10.3.7
Navi 31, gfx1100 dGPU, GC 11.0.0, Radeon RX 7900 XT/XTX
gfx1101 dGPU
gfx1102 dGPU
gfx1103 APU

Thanks to the OpenBSD Foundation for sponsoring this work.


Revision tags: OPENBSD_7_2_BASE
# 1.6 09-Sep-2022 jsg

drm/i915/backlight: extract backlight code to a separate file

From Jani Nikula
630ab29120b5dd1c543150da5e1aa304a5aece2e in linux 5.15.y/5.15.66
6cc42fbeb150ff33b17cbf108713ca4be23994d8 in mainline linux


# 1.5 07-Apr-2022 jsg

drm/i915/display: Move DRRS code its own file

From Jose Roberto de Souza
e2b3d1bf6ec3bc4d3687f77731eef349cef54495 in linux 5.15.y/5.15.27
a1b63119ee839c8ff622407aab25c9723943638a in mainline linux


Revision tags: OPENBSD_7_1_BASE
# 1.4 14-Jan-2022 jsg

update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt APU (gfx1035?)
Ryzen 6000 APU
navy flounder / navi 22 (gfx1031)
RX 6700, RX 6700 XT, RX 6700M, RX 6800M, RX 6850M XT
dimgrey cavefish / navi 23 (gfx1032)
Pro W6600, Pro W6600M, RX 6600, RX 6600 XT, RX 6600M,
RX 6600S, RX 6650M, RX 6650M XT, RX 6700S, RX 6800S
beige goby / navi 24 (gfx1034)
RX 6500 XT, RX 6400, RX 6500M, RX 6300M

Thanks to the OpenBSD Foundation for sponsoring this work
niklas@ for helping with ttm and amdgpu and patrick@ for adapting
rockchip drm.


Revision tags: OPENBSD_7_0_BASE
# 1.3 07-Jul-2021 jsg

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.


Revision tags: OPENBSD_6_8_BASE OPENBSD_6_9_BASE
# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.


# 1.8 20-Jul-2023 jsg

drm/i915: Fix TypeC mode initialization during system resume

From Imre Deak
eaa0043a85795fd4ab10285750cabdf5c2abc8cd in linux-6.1.y/6.1.39
a82796a2e332d108b2d3aff38509caad370f69b5 in mainline linux


Revision tags: OPENBSD_7_3_BASE
# 1.7 01-Jan-2023 jsg

update drm to linux 6.1.2

new hardware support includes

AMD
Raphael, Ryzen 7000 desktop, gfx1036/GC 10.3.6
Mendocino, Ryzen & Athlon 7020 Series mobile APU, gfx1037/GC 10.3.7
Navi 31, gfx1100 dGPU, GC 11.0.0, Radeon RX 7900 XT/XTX
gfx1101 dGPU
gfx1102 dGPU
gfx1103 APU

Thanks to the OpenBSD Foundation for sponsoring this work.


Revision tags: OPENBSD_7_2_BASE
# 1.6 09-Sep-2022 jsg

drm/i915/backlight: extract backlight code to a separate file

From Jani Nikula
630ab29120b5dd1c543150da5e1aa304a5aece2e in linux 5.15.y/5.15.66
6cc42fbeb150ff33b17cbf108713ca4be23994d8 in mainline linux


# 1.5 07-Apr-2022 jsg

drm/i915/display: Move DRRS code its own file

From Jose Roberto de Souza
e2b3d1bf6ec3bc4d3687f77731eef349cef54495 in linux 5.15.y/5.15.27
a1b63119ee839c8ff622407aab25c9723943638a in mainline linux


Revision tags: OPENBSD_7_1_BASE
# 1.4 14-Jan-2022 jsg

update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt APU (gfx1035?)
Ryzen 6000 APU
navy flounder / navi 22 (gfx1031)
RX 6700, RX 6700 XT, RX 6700M, RX 6800M, RX 6850M XT
dimgrey cavefish / navi 23 (gfx1032)
Pro W6600, Pro W6600M, RX 6600, RX 6600 XT, RX 6600M,
RX 6600S, RX 6650M, RX 6650M XT, RX 6700S, RX 6800S
beige goby / navi 24 (gfx1034)
RX 6500 XT, RX 6400, RX 6500M, RX 6300M

Thanks to the OpenBSD Foundation for sponsoring this work
niklas@ for helping with ttm and amdgpu and patrick@ for adapting
rockchip drm.


Revision tags: OPENBSD_7_0_BASE
# 1.3 07-Jul-2021 jsg

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.


Revision tags: OPENBSD_6_8_BASE OPENBSD_6_9_BASE
# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.


# 1.7 01-Jan-2023 jsg

update drm to linux 6.1.2

new hardware support includes

AMD
Raphael, Ryzen 7000 desktop, gfx1036/GC 10.3.6
Mendocino, Ryzen & Athlon 7020 Series mobile APU, gfx1037/GC 10.3.7
Navi 31, gfx1100 dGPU, GC 11.0.0, Radeon RX 7900 XT/XTX
gfx1101 dGPU
gfx1102 dGPU
gfx1103 APU

Thanks to the OpenBSD Foundation for sponsoring this work.


Revision tags: OPENBSD_7_2_BASE
# 1.6 09-Sep-2022 jsg

drm/i915/backlight: extract backlight code to a separate file

From Jani Nikula
630ab29120b5dd1c543150da5e1aa304a5aece2e in linux 5.15.y/5.15.66
6cc42fbeb150ff33b17cbf108713ca4be23994d8 in mainline linux


# 1.5 07-Apr-2022 jsg

drm/i915/display: Move DRRS code its own file

From Jose Roberto de Souza
e2b3d1bf6ec3bc4d3687f77731eef349cef54495 in linux 5.15.y/5.15.27
a1b63119ee839c8ff622407aab25c9723943638a in mainline linux


Revision tags: OPENBSD_7_1_BASE
# 1.4 14-Jan-2022 jsg

update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt APU (gfx1035?)
Ryzen 6000 APU
navy flounder / navi 22 (gfx1031)
RX 6700, RX 6700 XT, RX 6700M, RX 6800M, RX 6850M XT
dimgrey cavefish / navi 23 (gfx1032)
Pro W6600, Pro W6600M, RX 6600, RX 6600 XT, RX 6600M,
RX 6600S, RX 6650M, RX 6650M XT, RX 6700S, RX 6800S
beige goby / navi 24 (gfx1034)
RX 6500 XT, RX 6400, RX 6500M, RX 6300M

Thanks to the OpenBSD Foundation for sponsoring this work
niklas@ for helping with ttm and amdgpu and patrick@ for adapting
rockchip drm.


Revision tags: OPENBSD_7_0_BASE
# 1.3 07-Jul-2021 jsg

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.


Revision tags: OPENBSD_6_8_BASE OPENBSD_6_9_BASE
# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.


# 1.6 09-Sep-2022 jsg

drm/i915/backlight: extract backlight code to a separate file

From Jani Nikula
630ab29120b5dd1c543150da5e1aa304a5aece2e in linux 5.15.y/5.15.66
6cc42fbeb150ff33b17cbf108713ca4be23994d8 in mainline linux


# 1.5 07-Apr-2022 jsg

drm/i915/display: Move DRRS code its own file

From Jose Roberto de Souza
e2b3d1bf6ec3bc4d3687f77731eef349cef54495 in linux 5.15.y/5.15.27
a1b63119ee839c8ff622407aab25c9723943638a in mainline linux


Revision tags: OPENBSD_7_1_BASE
# 1.4 14-Jan-2022 jsg

update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt APU (gfx1035?)
Ryzen 6000 APU
navy flounder / navi 22 (gfx1031)
RX 6700, RX 6700 XT, RX 6700M, RX 6800M, RX 6850M XT
dimgrey cavefish / navi 23 (gfx1032)
Pro W6600, Pro W6600M, RX 6600, RX 6600 XT, RX 6600M,
RX 6600S, RX 6650M, RX 6650M XT, RX 6700S, RX 6800S
beige goby / navi 24 (gfx1034)
RX 6500 XT, RX 6400, RX 6500M, RX 6300M

Thanks to the OpenBSD Foundation for sponsoring this work
niklas@ for helping with ttm and amdgpu and patrick@ for adapting
rockchip drm.


Revision tags: OPENBSD_7_0_BASE
# 1.3 07-Jul-2021 jsg

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.


Revision tags: OPENBSD_6_8_BASE OPENBSD_6_9_BASE
# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.


# 1.5 07-Apr-2022 jsg

drm/i915/display: Move DRRS code its own file

From Jose Roberto de Souza
e2b3d1bf6ec3bc4d3687f77731eef349cef54495 in linux 5.15.y/5.15.27
a1b63119ee839c8ff622407aab25c9723943638a in mainline linux


Revision tags: OPENBSD_7_1_BASE
# 1.4 14-Jan-2022 jsg

update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt APU (gfx1035?)
Ryzen 6000 APU
navy flounder / navi 22 (gfx1031)
RX 6700, RX 6700 XT, RX 6700M, RX 6800M, RX 6850M XT
dimgrey cavefish / navi 23 (gfx1032)
Pro W6600, Pro W6600M, RX 6600, RX 6600 XT, RX 6600M,
RX 6600S, RX 6650M, RX 6650M XT, RX 6700S, RX 6800S
beige goby / navi 24 (gfx1034)
RX 6500 XT, RX 6400, RX 6500M, RX 6300M

Thanks to the OpenBSD Foundation for sponsoring this work
niklas@ for helping with ttm and amdgpu and patrick@ for adapting
rockchip drm.


Revision tags: OPENBSD_7_0_BASE
# 1.3 07-Jul-2021 jsg

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.


Revision tags: OPENBSD_6_8_BASE OPENBSD_6_9_BASE
# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.


# 1.4 14-Jan-2022 jsg

update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt APU (gfx1035?)
Ryzen 6000 APU
navy flounder / navi 22 (gfx1031)
RX 6700, RX 6700 XT, RX 6700M, RX 6800M, RX 6850M XT
dimgrey cavefish / navi 23 (gfx1032)
Pro W6600, Pro W6600M, RX 6600, RX 6600 XT, RX 6600M,
RX 6600S, RX 6650M, RX 6650M XT, RX 6700S, RX 6800S
beige goby / navi 24 (gfx1034)
RX 6500 XT, RX 6400, RX 6500M, RX 6300M

Thanks to the OpenBSD Foundation for sponsoring this work
niklas@ for helping with ttm and amdgpu and patrick@ for adapting
rockchip drm.


Revision tags: OPENBSD_7_0_BASE
# 1.3 07-Jul-2021 jsg

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.


Revision tags: OPENBSD_6_8_BASE OPENBSD_6_9_BASE
# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.


# 1.3 07-Jul-2021 jsg

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.


Revision tags: OPENBSD_6_8_BASE OPENBSD_6_9_BASE
# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.


# 1.2 26-Jun-2020 jsg

drm/i915/tc: fix the reset of ln0

From Khaled Almahallawy
479c06981236d3fea7ac4cf6a4f61fe896acacc1 in linux 5.7.y/5.7.6
a43555ac908c604f45ed98628805aec9355b9737 in mainline linux


# 1.1 08-Jun-2020 jsg

update drm to linux 5.7

adds kernel support for
amdgpu: vega20, raven2, renoir, navi10, navi14
inteldrm: icelake, tigerlake

Thanks to the OpenBSD Foundation for sponsoring this work, kettenis@ for
helping, patrick@ for helping adapt rockchip drm and many developers for
testing.