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e7dc33f332
linux/drivers/gpu/drm
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Ville Syrjälä e7dc33f332 drm/i915: Store rawclk_freq in dev_priv 
Generalize rawclk handling by storing it in dev_priv.

Presumably our hrawclk readout works at least for CTG and ELK
since we've been using it for DP AUX on those platforms. There
are no real docs anymore after configdb vanished, so the only
reference is the public CTG GMCH spec. What bits are listed in
that doc match our code. The ELK GMCH spec have no relevant
details unfortunately.

The PNV situation is less clear. Starting from
commit aa17cdb4f8 ("drm/i915: initialize backlight max from VBT")
we assume that the CTG/ELK hrawclk readout works for PNV as well.
At least the results *seem* reasonable for one PNV machine (Lenovo
Ideapad S10-3t). Sadly the PNV GMCH spec doesn't have the goods on
the relevant register either.

So let's keep assuming it works for PNV,ELK,CTG and read it out on
those platforms. G33 also has hrawclk according to some notes
in BSpec, but we don't actually need it for anything, so let's not
even try to read it out there.

v2: Rebase due to IS_VALLYVIEW vs. IS_CHERRYVIEW split
    Use KHz() all over, and kill off a few useless temp variables

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1456932138-14004-2-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2016-03-04 14:42:25 +02:00
..
amd vga_switcheroo: Add handler flags infrastructure 2016-02-09 11:21:07 +01:00
armada drm/armada: Remove NULL open/pre/postclose hooks 2016-01-25 19:35:05 +01:00
ast drm: Pass 'name' to drm_encoder_init() 2015-12-11 09:13:20 +01:00
atmel-hlcdc drm/atmel: Nuke preclose 2016-02-08 09:55:48 +01:00
bochs drm/bochs: Constify function pointer structs 2015-12-15 13:42:36 +01:00
bridge drm/bridge: removed dummy mode_fixup function from dw-hdmi. 2016-02-11 09:24:01 +01:00
cirrus drm/cirrus: Constify function pointer structs 2015-12-15 13:43:59 +01:00
etnaviv drm/etnaviv: call correct function when trying to vmap a DMABUF 2016-01-26 18:54:01 +01:00
exynos Merge tag 'topic/drm-misc-2016-02-08' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-02-09 10:39:11 +10:00
fsl-dcu drm/fsl: Remove preclose hook 2016-01-25 19:35:04 +01:00
gma500 drm/gma500: fix error path in gma_intel_setup_gmbus() 2016-02-10 08:25:42 +01:00
i2c drm/i2c/tda998x: removed unnecessary code, mode_fixup is now optional. 2016-02-11 09:24:01 +01:00
i810
i915 drm/i915: Store rawclk_freq in dev_priv 2016-03-04 14:42:25 +02:00
imx Merge tag 'topic/drm-misc-2016-02-08' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-02-09 10:39:11 +10:00
mga
mgag200 asm-generic changes for 4.5 2016-01-20 17:30:20 -08:00
msm drm/msm: remove unused variable 2016-02-11 11:48:39 +01:00
nouveau drm/nouveau: Defer probe if gmux is present but its driver isn't 2016-02-09 11:21:12 +01:00
omapdrm dma-buf: Remove range-based flush 2016-02-09 09:25:22 +01:00
panel drm/panel: simple: Add QiaoDian qd43003c0-40 2015-12-16 18:15:26 +01:00
qxl drm/qxl: use to_qxl_bo macro 2015-12-15 13:39:40 +01:00
r128
radeon drm/radeon: Defer probe if gmux is present but its driver isn't 2016-02-09 11:21:13 +01:00
rcar-du Merge tag 'topic/drm-misc-2016-02-08' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-02-09 10:39:11 +10:00
rockchip drm/rockchip: respect CONFIG_DRM_FBDEV_EMULATION 2016-01-22 08:45:31 +08:00
savage
shmobile Merge tag 'topic/drm-misc-2016-02-08' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-02-09 10:39:11 +10:00
sis
sti dma-mapping: always provide the dma_map_ops based implementation 2016-01-20 17:09:18 -08:00
tdfx
tegra drm/tegra: drop unused variable. 2016-02-09 11:17:37 +10:00
tilcdc Merge tag 'topic/drm-misc-2016-02-08' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-02-09 10:39:11 +10:00
ttm Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2016-01-17 13:40:25 -08:00
udl dma-buf: Remove range-based flush 2016-02-09 09:25:22 +01:00
vc4 Merge tag 'topic/drm-misc-2016-02-08' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-02-09 10:39:11 +10:00
vgem
via
virtio virtio: barrier rework+fixes 2016-01-18 16:44:24 -08:00
vmwgfx Merge tag 'topic/drm-misc-2016-02-08' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-02-09 10:39:11 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic: Add encoder_mask to crtc_state, v3. 2016-02-09 11:21:06 +01:00
drm_atomic.c drm: Add functions to setup/tear down drm_events. 2016-01-25 08:40:09 +01:00
drm_auth.c
drm_bridge.c drm/bridge: Improve kerneldoc 2015-12-08 16:07:53 +01:00
drm_bufs.c
drm_cache.c
drm_context.c
drm_crtc_helper.c drm: fixes crct set_mode when encoder mode_fixup is null. 2016-02-11 09:23:54 +01:00
drm_crtc_internal.h
drm_crtc.c drm: Add drm_format_plane_width() and drm_format_plane_height() 2016-02-09 16:34:58 +01:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c
drm_dp_mst_topology.c drm/dp/mst: deallocate payload on port destruction 2016-02-05 15:23:49 +10:00
drm_drv.c drm: move MODULE_PARM_DESC to other file 2016-01-08 15:32:29 +01:00
drm_edid_load.c
drm_edid.c drm/edid: Switch DDC when reading the EDID 2016-02-09 11:21:09 +01:00
drm_encoder_slave.c drm: fixes when i2c encoder slave mode_fixup is null. 2016-02-10 15:14:49 +01:00
drm_fb_cma_helper.c drm/fb_cma_helper: remove duplicate const from drm_fb_cma_alloc 2016-01-20 13:55:57 +01:00
drm_fb_helper.c drm/fbdev-helper: Explain how to debug console_lock fun 2016-01-25 08:32:22 +01:00
drm_flip_work.c
drm_fops.c drm: Nuke vblank event file cleanup code 2016-02-08 09:55:47 +01:00
drm_gem_cma_helper.c drm: Use the driver's gem_object_free function from CMA helpers. 2015-12-15 10:23:44 +01:00
drm_gem.c drm: Remove opencoded drm_gem_object_release_handle() 2016-01-05 16:23:09 +01:00
drm_global.c
drm_hashtab.c tree wide: use kvfree() than conditional kfree()/vfree() 2016-01-22 17:02:18 -08:00
drm_info.c
drm_internal.h
drm_ioc32.c
drm_ioctl.c
drm_irq.c drm/vblank: Use drm_event_reserve_init 2016-02-08 09:54:54 +01:00
drm_legacy.h
drm_lock.c
drm_memory.c
drm_mipi_dsi.c drm/dsi: Add Turn On/Shutdown Peripheral command helpers 2015-11-24 10:25:14 +01:00
drm_mm.c
drm_modes.c drm: modes: add missing [drm] to message printing 2016-02-09 16:34:44 +01:00
drm_modeset_lock.c drm/doc: Convert to markdown 2015-12-15 10:22:26 +01:00
drm_of.c
drm_panel.c
drm_pci.c drm: add drm_pcie_get_max_link_width helper (v2) 2015-12-21 16:42:31 -05:00
drm_plane_helper.c drm: Pass 'name' to drm_universal_plane_init() 2015-12-11 09:13:10 +01:00
drm_platform.c
drm_prime.c drm: prime: Honour O_RDWR during prime-handle-to-fd 2016-02-09 09:25:12 +01:00
drm_probe_helper.c Merge branch 'for-linus' into for-next 2015-12-23 08:33:34 +01:00
drm_rect.c drm: Add "prefix" parameter to drm_rect_debug_print() 2015-11-24 11:47:46 +01:00
drm_scatter.c
drm_sysfs.c drm/sysfs: use kobj_to_dev() 2016-01-13 16:43:07 +01:00
drm_trace_points.c
drm_trace.h
drm_vm.c
drm_vma_manager.c
Kconfig dma-mapping: always provide the dma_map_ops based implementation 2016-01-20 17:09:18 -08:00
Makefile Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-01-20 09:45:43 -08:00