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93c7cb6c3a
linux/drivers/gpu/drm
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Suketu Shah 93c7cb6c3a drm/i915/skl: Assert the requirements to enter or exit DC6. 
Warn if the conditions to enter or exit DC6 are not satisfied such
as support for runtime PM, state of power well, CSR loading etc.

v2: Removed camelcase in functions and variables.

v3: Do some minimal check to assert if CSR program is not loaded.

v4:
1] Correct the check for backlight-disabling in assert_can_enable_dc6().
2] Check csr.loaded = false before disabling DC6 and simplify other checks.

v5:
1] Remove checks for DC5 state from assert_can_enable_dc6 function as DC5 is no
   longer enabled before enabling DC6.
2] Correct the check for CSR-loading in assert_can_disable_dc6 function as CSR must
   be loaded for context restore to happen on DC6 disabling.

v6:
1] It's okay to explicitly disable DC6 during driver-load/resume even though it might
   already be disabled and so don't warn about it.

v7: Rebase to latest.

v8: Sqashed the patch from Imre -
[PATCH] drm/i915/skl: avoid false CSR fw not loaded WARN during driver load/resume

v9: After adding dmc ver 1.0 support rebased on top of nightly. (Animesh)

v10: During initialization added a early return before disabling DC5. (Animesh)

Issue: VIZ-2819
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Suketu Shah <suketu.j.shah@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-05-08 13:03:16 +02:00
..
amd Merge tag 'drm-intel-next-2015-03-27-merge' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-04-01 08:21:46 +10:00
armada dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
ast drm/fb-helper: Propagate errors from initial config failure 2015-01-21 14:57:03 +01:00
atmel-hlcdc drm: atmel-hlcdc: use appropriate enabled flag in suspend/resume 2015-03-16 16:10:42 +01:00
bochs drm/bochs: disable video before changing video mode 2015-04-01 08:28:15 +10:00
bridge Merge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-04-16 08:33:30 +10:00
cirrus Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-02-16 15:48:00 -08:00
exynos dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
gma500 drm/gma500: constify all struct drm_*_helper funcs pointers 2015-04-07 17:06:41 +02:00
i2c drm: adv7511: Refactor power management 2015-03-19 12:28:55 +02:00
i810
i915 drm/i915/skl: Assert the requirements to enter or exit DC6. 2015-05-08 13:03:16 +02:00
imx Merge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-04-16 08:33:30 +10:00
mga
mgag200 drm/mgag200: constify all struct drm_*_helper funcs pointers 2015-04-07 17:06:41 +02:00
msm Merge Linus master into drm-next 2015-04-20 13:05:20 +10:00
nouveau Merge tag 'topic/drm-misc-2015-04-15' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-04-16 08:34:24 +10:00
omapdrm dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
panel drm/panel: Add support for Ampire AM-800480R3TMQW-A1H 800x480 7" panel 2015-04-02 19:04:15 +02:00
qxl drm/qxl: rewrite framebuffer support 2015-05-07 13:09:25 +10:00
r128
radeon drm/radeon: fix userptr return value checking (v2) 2015-04-27 11:38:28 -04:00
rcar-du drm: Use of-graph helpers to loop over endpoints 2015-04-13 17:28:16 +10:00
rockchip drm/rockchip: fix error check when getting irq 2015-04-20 09:02:31 +08:00
savage
shmobile drm: Kconfig: Let all DRM_GEM_CMA_HELPER related macros depend on HAVE_DMA_ATTRS 2015-02-03 11:12:37 +10:00
sis
sti drm: sti: convert driver to atomic modeset 2015-03-19 13:35:16 +01:00
tdfx
tegra dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
tilcdc drm: Kconfig: Let all DRM_GEM_CMA_HELPER related macros depend on HAVE_DMA_ATTRS 2015-02-03 11:12:37 +10:00
ttm dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
udl dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
vgem drm/vgem: implement virtual GEM 2015-04-02 09:21:48 +10:00
via
vmwgfx Merge tag 'topic/drm-misc-2015-03-31' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-04-01 08:23:25 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c Merge tag 'topic/drm-misc-2015-05-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-05-07 13:02:39 +10:00
drm_atomic.c drm/atomic: Add for_each_{connector,crtc,plane}_in_state helper macros 2015-04-11 18:50:22 +02:00
drm_auth.c drm: simplify authentication management 2015-05-05 09:45:57 +02:00
drm_bridge.c drm: Silence sparse warnings 2015-03-13 17:37:35 +01:00
drm_bufs.c
drm_cache.c
drm_context.c
drm_crtc_helper.c drm/drm: constify all struct drm_*_helper funcs pointers 2015-04-07 18:11:25 +02:00
drm_crtc_internal.h
drm_crtc.c Merge tag 'drm-intel-next-2015-04-23-fixed' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-05-08 20:51:06 +10:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c drm: Fix for DP CTS test 4.2.2.5 - I2C DEFER handling 2015-04-20 09:29:41 -07:00
drm_dp_mst_topology.c Merge tag 'drm-intel-next-2015-03-13-merge' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-03-24 11:12:20 +10:00
drm_drv.c drm: simplify master cleanup 2015-05-05 09:46:38 +02:00
drm_edid_load.c drm/edid: set ELD for firmware and debugfs override EDIDs 2015-03-27 13:27:04 +02:00
drm_edid.c
drm_encoder_slave.c
drm_fb_cma_helper.c drm/cma: use correct fb width/height 2015-03-11 22:08:07 +01:00
drm_fb_helper.c drm/drm: constify all struct drm_*_helper funcs pointers 2015-04-07 18:11:25 +02:00
drm_flip_work.c
drm_fops.c drm: simplify authentication management 2015-05-05 09:45:57 +02:00
drm_gem_cma_helper.c
drm_gem.c
drm_global.c
drm_hashtab.c
drm_info.c drm: Silence sparse warnings 2015-03-13 17:37:35 +01:00
drm_internal.h drm: simplify authentication management 2015-05-05 09:45:57 +02:00
drm_ioc32.c drm: Silence sparse warnings 2015-03-13 17:37:35 +01:00
drm_ioctl.c drm: line wrap DRM_IOCTL_DEF* macros 2015-03-31 09:18:40 +02:00
drm_irq.c drm: Zero out invalid vblank timestamp in drm_update_vblank_count. (v2) 2015-05-04 11:13:23 +02:00
drm_legacy.h
drm_lock.c
drm_memory.c
drm_mipi_dsi.c drm/mipi-dsi: Avoid potential NULL pointer dereference 2015-01-28 08:45:37 +01:00
drm_mm.c [PATCH] drm/mm: Fix support 4 GiB and larger ranges 2015-03-16 06:28:50 +10:00
drm_modes.c drm: mode: Allow NULL modes for equality check 2015-03-23 16:22:30 +01:00
drm_modeset_lock.c drm: fix a memleak on mutex failure path 2015-05-05 09:26:43 +02:00
drm_of.c drm: use for_each_endpoint_of_node macro in drm_of_find_possible_crtcs 2015-04-08 11:14:25 +02:00
drm_panel.c
drm_pci.c drm: Silence sparse warnings 2015-03-13 17:37:35 +01:00
drm_plane_helper.c drm/drm: constify all struct drm_*_helper funcs pointers 2015-04-07 18:11:25 +02:00
drm_platform.c
drm_prime.c dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
drm_probe_helper.c Merge tag 'topic/drm-misc-2015-05-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-05-07 13:02:39 +10:00
drm_rect.c
drm_scatter.c
drm_sysfs.c drm: Lighten sysfs connector 'status' 2015-03-10 09:59:36 +01:00
drm_trace_points.c
drm_trace.h tracing/drm: Remove unused TRACE_SYSTEM_STRING define 2015-04-07 12:29:23 -04:00
drm_vm.c drm: Silence sparse warnings 2015-03-13 17:37:35 +01:00
drm_vma_manager.c mm: remove rest usage of VM_NONLINEAR and pte_file() 2015-02-10 14:30:31 -08:00
Kconfig drm/vgem: implement virtual GEM 2015-04-02 09:21:48 +10:00
Makefile drm/vgem: implement virtual GEM 2015-04-02 09:21:48 +10:00