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beea33e12c6dd029a31c33fef7da385fe307b004
linux/drivers/gpu/drm/radeon
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Chen Li ede6b6bc43 drm/radeon: use writel to avoid gcc optimization v3 
When using e8860(gcn1) on arm64, the kernel crashed on drm/radeon:

[   11.240414] pc : __memset+0x4c/0x188
[   11.244101] lr : radeon_uvd_get_create_msg+0x114/0x1d0 [radeon]
[   11.249995] sp : ffff00000d7eb700
[   11.253295] x29: ffff00000d7eb700 x28: ffff8001f632a868
[   11.258585] x27: 0000000000040000 x26: ffff00000de00000
[   11.263875] x25: 0000000000000125 x24: 0000000000000001
[   11.269168] x23: 0000000000000000 x22: 0000000000000005
[   11.274459] x21: ffff00000df24000 x20: ffff8001f74b4000
[   11.279753] x19: 0000000000124000 x18: 0000000000000020
[   11.285043] x17: 0000000000000000 x16: 0000000000000000
[   11.290336] x15: ffff000009309000 x14: ffffffffffffffff
[   11.290340] x13: ffff0000094b6f88 x12: ffff0000094b6bd2
[   11.290343] x11: ffff00000d7eb700 x10: ffff00000d7eb700
[   11.306246] x9 : ffff00000d7eb700 x8 : ffff00000df2402c
[   11.306254] x7 : 0000000000000000 x6 : ffff0000094b626a
[   11.306257] x5 : 0000000000000000 x4 : 0000000000000004
[   11.306262] x3 : ffffffffffffffff x2 : 0000000000000fd4
[   11.306265] x1 : 0000000000000000 x0 : ffff00000df2402c
[   11.306272] Call trace:
[   11.306316]  __memset+0x4c/0x188
[   11.306638]  uvd_v1_0_ib_test+0x70/0x1c0 [radeon]
[   11.306758]  radeon_ib_ring_tests+0x54/0xe0 [radeon]
...

Obviously, the __memset call is generated by gcc(8.3.1). It optimizes
this for loop into memset. But this may break on some platforms which
cannot map device memory correctly. So, just invoke `writel` to handle this.

v3 (chk): minor cleanups in code and commit message

Signed-off-by: Chen Li <chenli@uniontech.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-01-05 11:32:05 -05:00
..
reg_srcs
…
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
atom-bits.h
…
atom-names.h
…
atom-types.h
…
atom.c
drm/radeon: cleanup coding style a bit
2020-04-30 16:48:42 -04:00
atom.h
drm/radeon/atom: Move 'radeon_atom_hw_i2c_*()'s prototypes into shared header
2020-11-16 15:56:34 -05:00
atombios_crtc.c
drm/radeon/atombios_crtc: Remove description of non-existent function param 'encoder'
2020-11-13 00:03:54 -05:00
atombios_dp.c
drm/radeon: remove unnecessary braces around conditionals.
2020-01-07 12:04:13 -05:00
atombios_encoders.c
drm/radeon/atombios_encoders: Move 'radeon_atom_get_tv_timings()'s prototype into shared location
2020-11-16 15:56:33 -05:00
atombios_i2c.c
gpu: drm: dead code elimination
2019-12-18 16:09:13 -05:00
atombios.h
scripts/spelling.txt: add "aligment" pattern and fix typo instances
2017-02-27 18:43:46 -08:00
avivod.h
…
btc_dpm.c
drm/radeon/btc_dpm: Move 'evergreen_get_pi's prototype to shared header
2020-11-16 15:56:35 -05:00
btc_dpm.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
btcd.h
…
cayman_blit_shaders.c
…
cayman_blit_shaders.h
…
ci_dpm.c
drm/radeon: Fix fall-through warnings for Clang
2020-11-24 12:05:42 -05:00
ci_dpm.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
ci_smc.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
cik_blit_shaders.c
…
cik_blit_shaders.h
…
cik_reg.h
drm/radeon: Remove KFD_CIK_SDMA_QUEUE_OFFSET
2017-12-20 12:00:22 -05:00
cik_sdma.c
drm/radeon/cik_sdma: Move 'amdgpu_cik_gpu_check_soft_reset()'s prototype to shared header
2020-11-16 15:56:35 -05:00
cik.c
drm/radeon/cik: Move 'vce_v2_0_enable_mgcg()'s prototype to shared header
2020-11-16 15:56:35 -05:00
cik.h
drm/radeon/cik: Move 'Move 'cik_sdma_*()'s prototypes to shared header
2020-11-16 15:56:35 -05:00
cikd.h
drm/radeon: deprecate and remove KFD interface
2017-10-30 14:16:21 +01:00
clearstate_cayman.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
clearstate_ci.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
clearstate_defs.h
…
clearstate_evergreen.h
…
clearstate_si.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
cypress_dpm.c
drm/radeon/btc_dpm: Move 'evergreen_get_pi's prototype to shared header
2020-11-16 15:56:35 -05:00
cypress_dpm.h
…
dce3_1_afmt.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
dce6_afmt.c
drm/radeon/radeon_audio: Move 'dce6_*()'s prototypes to shared header
2020-11-16 15:56:35 -05:00
dce6_afmt.h
drm/radeon/radeon_audio: Move 'dce6_*()'s prototypes to shared header
2020-11-16 15:56:35 -05:00
evergreen_blit_shaders.c
…
evergreen_blit_shaders.h
…
evergreen_cs.c
drm/radeon/evergreen_cs: Move 'r600_dma_cs_next_reloc()'s prototype to shared header
2020-11-16 15:56:35 -05:00
evergreen_dma.c
drm/radeon/evergreen_dma: Move 'evergreen_gpu_check_soft_reset()'s prototype to shared header
2020-11-16 15:56:34 -05:00
evergreen_hdmi.c
drm/radeon/evergreen_hdmi: Move 'evergreen_*()' and 'dce4_*()' HDMI prototypes to shared header
2020-11-16 15:56:34 -05:00
evergreen_hdmi.h
drm/radeon/evergreen_hdmi: Move 'evergreen_*()' and 'dce4_*()' HDMI prototypes to shared header
2020-11-16 15:56:34 -05:00
evergreen_reg.h
…
evergreen_smc.h
…
evergreen.c
drm/radeon/evergreen: Move 'cik_*()'s prototypes to shared header
2020-11-16 15:56:35 -05:00
evergreen.h
drm/radeon/btc_dpm: Move 'evergreen_get_pi's prototype to shared header
2020-11-16 15:56:35 -05:00
evergreend.h
…
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
kv_dpm.c
drm/radeon/kv_dpm: Strip out unused functions and their tables
2020-11-13 00:11:53 -05:00
kv_dpm.h
…
kv_smc.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
Makefile
drm/radeon: align short build log
2020-04-01 14:44:43 -04:00
mkregtable.c
drm/radeon: change SPDX identifier to MIT
2018-10-15 16:16:12 -05:00
ni_dma.c
drm/radeon/ni_dma: Move 'cayman_gpu_check_soft_reset()'s prototype to shared header
2020-11-16 15:56:34 -05:00
ni_dpm.c
drm/radeon/btc_dpm: Move 'evergreen_get_pi's prototype to shared header
2020-11-16 15:56:35 -05:00
ni_dpm.h
drm/radeon/ni_dpm: Move 'ni_get_{pi, ps}()'s into shared header
2020-11-16 15:56:34 -05:00
ni_reg.h
…
ni.c
drm/radeon/evergreen: Move 'cayman_*()'s prototypes to shared header
2020-11-16 15:56:34 -05:00
ni.h
drm/radeon/ni_dma: Move 'cayman_gpu_check_soft_reset()'s prototype to shared header
2020-11-16 15:56:34 -05:00
nid.h
…
nislands_smc.h
…
ObjectID.h
…
ppsmc.h
…
pptable.h
…
r100_track.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
r100.c
drm/radeon/r100: Fix some kernel-doc formatting, misnaming and missing issues
2020-11-13 00:12:14 -05:00
r100d.h
…
r200.c
drm/radeon: fix r1xx/r2xx register checker for POT textures
2019-12-03 16:26:59 -05:00
r300_reg.h
…
r300.c
drm/radeon: Fix fall-through warnings for Clang
2020-11-24 12:05:42 -05:00
r300d.h
…
r420.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
r420d.h
…
r500_reg.h
…
r520.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
r520d.h
…
r600_blit_shaders.c
…
r600_blit_shaders.h
…
r600_cs.c
drm/radeon/evergreen_cs: Move 'r600_dma_cs_next_reloc()'s prototype to shared header
2020-11-16 15:56:35 -05:00
r600_dma.c
drm/radeon/r600_dma: Move 'r600_gpu_check_soft_reset()'s prototype to shared location
2020-11-16 15:56:34 -05:00
r600_dpm.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
r600_dpm.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
r600_hdmi.c
drm/radeon/radeon_audio: Move 'r600_*' prototypes into shared header
2020-11-16 15:56:35 -05:00
r600_reg.h
drm/radeon: enable ABGR and XBGR formats (v2)
2018-08-27 11:10:19 -05:00
r600.c
drm/radeon/r600: Move 'evergreen_rlc_resume()'s prototype to shared header
2020-11-16 15:56:34 -05:00
r600.h
drm/radeon/radeon_audio: Move 'r600_*' prototypes into shared header
2020-11-16 15:56:35 -05:00
r600d.h
…
radeon_acpi.c
drm/radeon/radeon_pm: Move 'radeon_pm_acpi_event_handler' prototype into shared header
2020-11-16 15:56:33 -05:00
radeon_acpi.h
drm/radeon: Make radeon_atif_handler static
2017-08-15 14:46:07 -04:00
radeon_agp.c
drm/radeon: Don't include <drm/drm_pci.h>
2019-12-05 08:44:28 +01:00
radeon_asic.c
drm/radeon: Add implementation of get_current_vddc for Sumo
2020-10-27 17:43:42 -04:00
radeon_asic.h
drm/radeon: Add implementation of get_current_vddc for Sumo
2020-10-27 17:43:42 -04:00
radeon_atombios.c
drm/radeon/radeon_atombios: Move 'radeon_add_atom_encoder()'s prototype to shared header
2020-11-16 15:56:34 -05:00
radeon_atombios.h
drm/radeon/radeon_encoders: Move 'radeon_atom_backlight_init's prototype to shared header
2020-11-16 15:56:34 -05:00
radeon_atpx_handler.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191
2019-05-30 11:29:21 -07:00
radeon_audio.c
drm/radeon/radeon_audio: Move 'r600_*' prototypes into shared header
2020-11-16 15:56:35 -05:00
radeon_audio.h
drm/radeon/radeon_audio: Move 'dce3_2_*' prototypes to shared location
2020-11-16 15:56:33 -05:00
radeon_benchmark.c
dma-buf: rename reservation_object to dma_resv
2019-08-13 09:09:30 +02:00
radeon_bios.c
PCI: Use ioremap(), not phys_to_virt() for platform ROM
2020-03-30 09:52:23 -05:00
radeon_clocks.c
drm/radeon: Don't include <drm/drm_pci.h>
2019-12-05 08:44:28 +01:00
radeon_combios.c
drm/radeon/radeon_legacy_encoders: Move 'radeon_add_legacy_encoder's prototype to shared location
2020-11-16 15:56:33 -05:00
radeon_connectors.c
drm/radeon/radeon_connectors: Strip out set but unused variable 'ret'
2020-11-13 00:11:10 -05:00
radeon_cs.c
drm/radeon/radeon_cs: Fix a bunch of doc-rot issues
2020-11-13 00:11:24 -05:00
radeon_cursor.c
drm/radeon: remove _unlocked suffix in drm_gem_object_put_unlocked
2020-05-19 22:31:34 +01:00
radeon_device.c
drm/radeon/radeon_device: Consume our own header where the prototypes are located
2020-11-24 12:09:52 -05:00
radeon_device.h
drm/radeon/radeon: Move prototype into shared header
2020-11-16 15:56:33 -05:00
radeon_display.c
drm/radeon/radeon_kms: Move 'radeon_*_kms' prototypes to shared header
2020-11-16 15:56:33 -05:00
radeon_dp_auxch.c
drm/radeon: drop use of drmP.h (1/2)
2019-06-10 22:30:24 +02:00
radeon_dp_mst.c
drm/radeon/radeon_dp_mst: Remove unused variable 'ret' from radeon_mst_encoder_dpms()
2020-11-13 00:11:58 -05:00
radeon_drv.c
Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
2020-12-10 16:55:53 +10:00
radeon_drv.h
drm/radeon/radeon_drv: Move prototypes to a shared headerfile
2020-11-13 00:03:49 -05:00
radeon_encoders.c
drm/radeon/radeon_encoders: Move 'radeon_atom_backlight_init's prototype to shared header
2020-11-16 15:56:34 -05:00
radeon_family.h
…
radeon_fb.c
drm/radeon: remove _unlocked suffix in drm_gem_object_put_unlocked
2020-05-19 22:31:34 +01:00
radeon_fence.c
drm/radeon/radeon_fence: Demote some non-conformant kernel-doc headers and fix another
2020-11-13 00:11:00 -05:00
radeon_gart.c
drm/radeon: switch from 'pci_' to 'dma_' API
2020-07-27 16:45:29 -04:00
radeon_gem.c
Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
2020-12-10 16:55:53 +10:00
radeon_i2c.c
drm/radeon/atom: Move 'radeon_atom_hw_i2c_*()'s prototypes into shared header
2020-11-16 15:56:34 -05:00
radeon_ib.c
drm/radeon/radeon_ib: Supply description for 'radeon_ib_get's get param
2020-11-13 00:12:05 -05:00
radeon_irq_kms.c
drm/radeon/radeon_drv: Move 'radeon_driver_irq_handler_kms's prototype into shared header
2020-11-16 15:56:34 -05:00
radeon_kms.c
Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
2020-12-10 16:55:53 +10:00
radeon_kms.h
drm/radeon/radeon_drv: Move 'radeon_driver_irq_handler_kms's prototype into shared header
2020-11-16 15:56:34 -05:00
radeon_legacy_crtc.c
drm/radeon: Convert to struct drm_crtc_helper_funcs.get_scanout_position()
2020-02-13 13:08:14 +01:00
radeon_legacy_encoders.c
drm/radeon/radeon_legacy_encoders: Move 'radeon_add_legacy_encoder' prototype to shared header
2020-11-16 15:56:33 -05:00
radeon_legacy_encoders.h
drm/radeon/radeon_legacy_encoders: Move 'radeon_add_legacy_encoder's prototype to shared location
2020-11-16 15:56:33 -05:00
radeon_legacy_tv.c
drm/radeon: remove set but not used variable 'tv_pll_cntl1'
2019-11-19 10:12:54 -05:00
radeon_mn.c
drm/radeon/radeon_mn: Supply description for 'cur_seq' even if it is unused
2020-11-13 00:12:11 -05:00
radeon_mode.h
drm/radeon: remove radeon_fb_{add,remove}_connector functions
2020-03-06 14:19:57 +01:00
radeon_object.c
drm/radeon: Move radeon_ttm{init, fini} to shared location
2020-11-16 15:56:33 -05:00
radeon_object.h
drm/radeon: stop using TTMs fault callback
2020-09-28 12:37:19 +02:00
radeon_pm.c
drm/radeon/radeon_pm: Move 'radeon_pm_acpi_event_handler' prototype into shared header
2020-11-16 15:56:33 -05:00
radeon_pm.h
drm/radeon/radeon_pm: Move 'radeon_pm_acpi_event_handler' prototype into shared header
2020-11-16 15:56:33 -05:00
radeon_prime.c
Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
2020-12-10 16:55:53 +10:00
radeon_prime.h
drm/radeon/radeon_drv: Move 'radeon_gem_prime_import_sg_table()'s prototype to shared header
2020-11-16 15:56:35 -05:00
radeon_reg.h
…
radeon_ring.c
drm/radeon/radeon_ring: Add missing function parameters 'rdev' and 'data'
2020-11-13 00:11:18 -05:00
radeon_sa.c
drm/radeon: drop use of drmP.h (1/2)
2019-06-10 22:30:24 +02:00
radeon_semaphore.c
drm/radeon: drop use of drmP.h (1/2)
2019-06-10 22:30:24 +02:00
radeon_sync.c
drm/radeon/radeon_sync: Add description for function param 'rdev'
2020-11-13 00:12:01 -05:00
radeon_test.c
drm/radeon: switch driver from bo->resv to bo->base.resv
2019-08-06 08:21:54 +02:00
radeon_trace_points.c
drm/radeon: drop use of drmP.h (1/2)
2019-06-10 22:30:24 +02:00
radeon_trace.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
radeon_ttm.c
Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
2020-12-10 16:55:53 +10:00
radeon_ttm.h
drm/radeon/radeon_drv: Move 'radeon_mmap()'s prototype to shared header
2020-11-16 15:56:33 -05:00
radeon_ucode.c
drm/radeon: drop use of drmP.h (1/2)
2019-06-10 22:30:24 +02:00
radeon_ucode.h
…
radeon_uvd.c
drm/radeon: use writel to avoid gcc optimization v3
2021-01-05 11:32:05 -05:00
radeon_vce.c
drm/radeon: remove h from printk format specifier
2020-12-15 11:36:00 -05:00
radeon_vm.c
drm/radeon/radeon_vm: Fix some function parameter documentation
2020-11-13 00:11:50 -05:00
radeon.h
Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
2020-12-10 16:55:53 +10:00
rs100d.h
…
rs400.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
rs400d.h
…
rs600.c
drm/radeon: Don't include <drm/drm_pci.h>
2019-12-05 08:44:28 +01:00
rs600d.h
…
rs690.c
drm/radeon: Don't include <drm/drm_pci.h>
2019-12-05 08:44:28 +01:00
rs690d.h
…
rs780_dpm.c
drm/radeon: Don't include <drm/drm_pci.h>
2019-12-05 08:44:28 +01:00
rs780_dpm.h
…
rs780d.h
…
rv6xx_dpm.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
rv6xx_dpm.h
…
rv6xxd.h
…
rv200d.h
…
rv250d.h
…
rv350d.h
…
rv515.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
rv515d.h
…
rv730_dpm.c
drm/radeon/rv770: Move 'rv770_get_*()'s prototypes to shared header
2020-11-16 15:56:34 -05:00
rv730d.h
…
rv740_dpm.c
drm/radeon/rv770: Move 'rv770_get_*()'s prototypes to shared header
2020-11-16 15:56:34 -05:00
rv740d.h
…
rv770_dma.c
dma-buf: rename reservation_object to dma_resv
2019-08-13 09:09:30 +02:00
rv770_dpm.c
drm/radeon/btc_dpm: Move 'evergreen_get_pi's prototype to shared header
2020-11-16 15:56:35 -05:00
rv770_dpm.h
drm/radeon: prepare header files for drmP.h removal
2019-06-10 22:30:24 +02:00
rv770_smc.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
rv770_smc.h
…
rv770.c
drm/radeon/rv770: Move 'rv770_set_clk_bypass_mode' prototype to shared location
2020-11-16 15:56:33 -05:00
rv770.h
drm/radeon/rv770: Move 'rv770_get_*()'s prototypes to shared header
2020-11-16 15:56:34 -05:00
rv770d.h
…
si_blit_shaders.c
…
si_blit_shaders.h
…
si_dma.c
drm/radeon/si_dma: Move 'si_gpu_check_soft_reset()'s prototype to shared header
2020-11-16 15:56:34 -05:00
si_dpm.c
drm/radeon: Fix fall-through warnings for Clang
2020-11-24 12:05:42 -05:00
si_dpm.h
drm/radeon/ci_dpm: Move 'si_*()'s prototypes to shared header
2020-11-16 15:56:35 -05:00
si_reg.h
…
si_smc.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
si.c
drm/radeon/si_dpm: Move 'si_mc_load_microcode()'s prototype to shared header
2020-11-16 15:56:34 -05:00
si.h
drm/radeon/evergreen: Move 'si_get_csb_*()'s prototypes to shared header
2020-11-16 15:56:35 -05:00
sid.h
…
sislands_smc.h
…
smu7_discrete.h
…
smu7_fusion.h
…
smu7.h
…
sumo_dpm.c
drm/radeon: Add implementation of get_current_vddc for Sumo
2020-10-27 17:43:42 -04:00
sumo_dpm.h
drm/radeon/sumo_dpm: Move 'sumo_get_pi()'s prototype into shared header
2020-11-13 00:12:30 -05:00
sumo_smc.c
drm/radeon/sumo_dpm: Move 'sumo_get_pi()'s prototype into shared header
2020-11-13 00:12:30 -05:00
sumod.h
…
trinity_dpm.c
drm/radeon/si_dpm: Move 'vce_v1_0_enable_mgcg()'s prototype to shared header
2020-11-16 15:56:35 -05:00
trinity_dpm.h
…
trinity_smc.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
trinityd.h
…
uvd_v1_0.c
drm/radeon: fix typoes in comments
2020-09-22 17:37:38 -04:00
uvd_v2_2.c
drm/radeon: fix typoes in comments
2020-09-22 17:37:38 -04:00
uvd_v3_1.c
drm/radeon: drop use of drmP.h (2/2)
2019-06-10 22:30:24 +02:00
uvd_v4_2.c
drm/radeon: fix typoes in comments
2020-09-22 17:37:38 -04:00
vce_v1_0.c
drm/radeon/si_dpm: Move 'vce_v1_0_enable_mgcg()'s prototype to shared header
2020-11-16 15:56:35 -05:00
vce_v2_0.c
drm/radeon/cik: Move 'vce_v2_0_enable_mgcg()'s prototype to shared header
2020-11-16 15:56:35 -05:00
vce.h
drm/radeon/cik: Move 'vce_v2_0_enable_mgcg()'s prototype to shared header
2020-11-16 15:56:35 -05:00