linux/drivers/gpu/drm/i915
Ville Syrjälä f7be2c2150 drm/i915: Disable CLKOUT_DP bending on LPT/WPT as needed
When we want to use SPLL for FDI we want SSC, which means we have to
disable clock bending for the PCH SSC reference (bend and spread are
mutually exclusive). So let's turn off bending when we want spread.
In case the BIOS enabled clock bending for some reason we'll just turn
it off and enable the spread mode instead.

Not sure what happens if the BIOS is actually using the bend source for
HDMI at this time, but I suppose it should be no worse than what already
happens when we simply turn on the spread.

We don't currently use the bend source for anything, and only use the
PCH SSC reference for the SPLL to drive FDI (always with spread).

v2: Fix the %5 vs %10 fumble for SSCDITHPHASE (Paulo)
    Add 'WARN_ON(steps % 5 != 0)' sanity check (Paulo)
    Fix typos in commit message (Paulo)

Cc: Paulo Zanoni <przanoni@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449260379-14093-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
2015-12-08 16:30:20 +02:00
..
dvo_ch7xxx.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_ch7017.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_ivch.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_ns2501.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_sil164.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_tfp410.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo.h drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
i915_cmd_parser.c drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
i915_debugfs.c drm/i915/guc: Clean up locks in GuC 2015-12-03 15:11:54 +01:00
i915_dma.c Linux 4.4-rc2 2015-11-23 09:04:05 +01:00
i915_drv.c drm/i915/skl: Add SKL GT4 PCI IDs 2015-12-04 19:03:50 +00:00
i915_drv.h drm/i915: Update DRIVER_DATE to 20151204 2015-12-04 21:56:02 +01:00
i915_gem_batch_pool.c
i915_gem_batch_pool.h
i915_gem_context.c drm/i915: Remove incorrect warning in context cleanup 2015-11-24 11:58:12 +01:00
i915_gem_debug.c
i915_gem_dmabuf.c
i915_gem_evict.c drm/i915: Remove dead i915_gem_evict_everything() 2015-10-07 16:05:40 +02:00
i915_gem_execbuffer.c drm/i915: Add functions to emit register offsets to the ring 2015-11-18 14:35:24 +02:00
i915_gem_fence.c Linux 4.4-rc2 2015-11-23 09:04:05 +01:00
i915_gem_gtt.c drm/i915: Stuff rotation params into view union 2015-11-19 16:42:01 +01:00
i915_gem_gtt.h drm/i915: Fix i915_ggtt_view_equal to handle rotation correctly 2015-11-19 16:42:06 +01:00
i915_gem_render_state.c
i915_gem_render_state.h
i915_gem_shrinker.c drm/i915: Fix kerneldoc for i915_gem_shrink_all 2015-10-13 16:21:03 +03:00
i915_gem_stolen.c drm/i915/kbl: Introduce Kabylake platform defition. 2015-10-28 21:35:38 +02:00
i915_gem_tiling.c drm/i915: get runtime PM reference around GEM set_tiling IOCTL 2015-11-17 18:43:30 +02:00
i915_gem_userptr.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-11-10 09:33:06 -08:00
i915_gem.c Revert "drm/i915: Extend LRC pinning to cover GPU context writeback" 2015-12-04 17:34:40 +01:00
i915_gpu_error.c drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
i915_guc_reg.h drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
i915_guc_submission.c drm/i915/guc: Clean up locks in GuC 2015-12-03 15:11:54 +01:00
i915_ioc32.c
i915_irq.c drm/i915: Fix kerneldoc indent fails 2015-11-26 18:55:40 +02:00
i915_params.c Linux 4.4-rc2 2015-11-23 09:04:05 +01:00
i915_reg.h drm/i915: Disable CLKOUT_DP bending on LPT/WPT as needed 2015-12-08 16:30:20 +02:00
i915_suspend.c drm/i915: Parametrize and fix SWF registers 2015-10-13 13:20:38 +02:00
i915_sysfs.c drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
i915_trace_points.c
i915_trace.h drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
i915_vgpu.c drm/i915: Turn __raw_i915_read8() & co. in to inline functions 2015-10-26 16:28:04 +02:00
i915_vgpu.h drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
intel_acpi.c drm/i915: Drop unnecessary #include <linux/vga_switcheroo.h> 2015-10-13 10:18:38 +02:00
intel_atomic_plane.c drm/i915: Wait for object idle without locks in atomic_commit, v2. 2015-11-02 15:50:31 +01:00
intel_atomic.c drm/i915: Calculate watermark related members in the crtc_state, v4. 2015-12-07 10:56:08 +01:00
intel_audio.c Revert "drm/i915: Remove superfluous NULL check" 2015-12-04 15:54:30 +01:00
intel_bios.c drm/i915: Check VBT for CRT port presence on HSW/BDW 2015-12-02 11:24:01 +02:00
intel_bios.h drm/i915: Ignore "digital output" and "not HDMI output" bits for eDP detection 2015-09-23 16:58:29 +02:00
intel_crt.c drm/i915: Don't register CRT connector when it's fused off 2015-11-24 16:23:44 +02:00
intel_csr.c drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
intel_ddi.c drm/i915: Don't use crtc->config when reading out infoframe state 2015-12-01 16:01:21 +02:00
intel_display.c drm/i915: Disable CLKOUT_DP bending on LPT/WPT as needed 2015-12-08 16:30:20 +02:00
intel_dp_link_training.c drm/i915: Make intel_dp_source_supports_hbr2() take an intel_dp pointer 2015-11-05 15:14:56 +02:00
intel_dp_mst.c Linux 4.4-rc2 2015-11-23 09:04:05 +01:00
intel_dp.c drm/i915: Round the AUX clock divider to closest on all platforms 2015-12-02 11:22:57 +02:00
intel_drv.h drm/i915: Calculate watermark related members in the crtc_state, v4. 2015-12-07 10:56:08 +01:00
intel_dsi_panel_vbt.c
intel_dsi_pll.c drm/i915/bxt: vlv_dsi_reset_clocks() can be static 2015-10-06 10:57:06 +02:00
intel_dsi.c drm/i915: add has_dsi_encoder to crtc state 2015-11-30 12:54:33 +02:00
intel_dsi.h drm/i915/bxt: get DSI pixelclock 2015-10-02 14:45:51 +02:00
intel_dvo.c drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
intel_fbc.c drm/i915: only recompress FBC after flushing a drawing operation 2015-12-03 11:38:11 -02:00
intel_fbdev.c drm/i915: Tear down fbdev if initialization fails 2015-11-19 17:52:38 +01:00
intel_fifo_underrun.c drm/i915: Introduce bdw_{update,enable,disable}_pipe_irq() 2015-11-26 18:55:39 +02:00
intel_frontbuffer.c
intel_guc_fwif.h drm/i915/guc: Add GuC css header parser 2015-10-21 14:31:34 +02:00
intel_guc_loader.c Linux 4.4-rc2 2015-11-23 09:04:05 +01:00
intel_guc.h drm/i915/guc: Clean up locks in GuC 2015-12-03 15:11:54 +01:00
intel_hdmi.c drm/i915: Don't use crtc->config when reading out infoframe state 2015-12-01 16:01:21 +02:00
intel_hotplug.c Revert "drm/i915: Call encoder hotplug for init and resume cases" 2015-10-08 21:51:57 +02:00
intel_i2c.c drm/i915: abstract i2c bit banging fallback in gmbus xfer 2015-12-02 13:29:41 +02:00
intel_lrc.c Revert "drm/i915: Extend LRC pinning to cover GPU context writeback" 2015-12-04 17:34:40 +01:00
intel_lrc.h Revert "drm/i915: Extend LRC pinning to cover GPU context writeback" 2015-12-04 17:34:40 +01:00
intel_lvds.c drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
intel_mocs.c drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
intel_mocs.h
intel_modes.c drm/i915: Add HDMI aspect ratio property for SDVO 2015-09-30 10:20:12 +02:00
intel_opregion.c drm/i915: Don't complain about lack of ACPI video bios 2015-10-31 09:26:20 +01:00
intel_overlay.c drm/i915: Wait for object idle without locks in atomic_commit, v2. 2015-11-02 15:50:31 +01:00
intel_panel.c drm/i915: Use cached cdclk_freq for PWM calculations 2015-12-02 11:22:57 +02:00
intel_pm.c drm/i915/skl: Double RC6 WRL always on 2015-12-08 16:03:06 +02:00
intel_psr.c drm/i915: Fix idle_frames counter. 2015-12-07 14:48:11 -08:00
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c
intel_renderstate.h
intel_ringbuffer.c i915: Replace "hweight8(dev_priv->info.subslice_7eu[i]) != 1" with "!is_power_of_2(dev_priv->info.subslice_7eu[i])" 2015-12-07 08:44:20 +01:00
intel_ringbuffer.h drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
intel_runtime_pm.c drm/i915/bxt: Disable power well support 2015-12-01 14:28:37 -08:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Type safe register read/write 2015-11-18 15:39:11 +02:00
intel_sideband.c
intel_sprite.c drm/i915: Avoid pointer arithmetic in calculating plane surface offset 2015-11-09 20:00:11 +02:00
intel_tv.c Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next 2015-09-30 08:47:41 +02:00
intel_uncore.c Linux 4.4-rc2 2015-11-23 09:04:05 +01:00
Kconfig drm/i915: Serialise updates to GGTT with access through GGTT on Braswell 2015-11-17 17:36:01 +01:00
Makefile drm/i915: Move generic link training code to a separate file 2015-11-05 15:14:56 +02:00