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linux/drivers/gpu/drm/i915
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Jani Nikula aa7471d228 drm/i915: add i915 specific connector debugfs file for DPCD 
Occasionally it would be interesting to read some of the DPCD registers
for debug purposes, without having to resort to logging. Add an i915
specific i915_dpcd debugfs file for DP and eDP connectors to dump parts
of the DPCD. Currently the DPCD addresses to be dumped are statically
configured, and more can be added trivially.

The implementation also makes it relatively easy to add other i915 and
connector specific debugfs files in the future, as necessary.

This is currently i915 specific just because there's no generic way to
do AUX transactions given just a drm_connector. However it's all pretty
straightforward to port to other drivers.

v2: Add more DPCD registers to dump.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Bob Paauwe <bob.j.paauwe@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-04-07 10:27:28 +02:00
..
dvo.h
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c Enabled dithering in the intel VCH DVO for 18bpp pipelines. 2015-03-30 16:39:31 +02:00
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
i915_cmd_parser.c drm/i915: Fix vmap_batch page iterator overrun 2015-03-17 22:30:31 +01:00
i915_debugfs.c drm/i915: add i915 specific connector debugfs file for DPCD 2015-04-07 10:27:28 +02:00
i915_dma.c drm/i915: Rip out GET_SPRITE_COLORKEY ioctl 2015-03-27 09:08:04 +01:00
i915_drv.c drm/i915/chv: Remove Wait for a previous gfx force-off 2015-03-31 15:32:23 +02:00
i915_drv.h drm/i915: add i915 specific connector debugfs file for DPCD 2015-04-07 10:27:28 +02:00
i915_gem.c drm/i915: Move common request allocation code into a common function 2015-04-01 07:54:30 +02:00
i915_gem_batch_pool.c
i915_gem_context.c drm/i915: Initialize all contexts 2015-03-20 11:48:19 +01:00
i915_gem_debug.c
i915_gem_dmabuf.c
i915_gem_evict.c drm/i915: kerneldoc for i915_gem_shrinker.c 2015-03-20 11:48:16 +01:00
i915_gem_execbuffer.c drm/i915: Rename 'do_execbuf' to 'execbuf_submit' 2015-04-01 07:53:41 +02:00
i915_gem_gtt.c drm/i915: Compare GGTT view structs instead of types 2015-03-27 15:05:22 +01:00
i915_gem_gtt.h drm/i915: Compare GGTT view structs instead of types 2015-03-27 15:05:22 +01:00
i915_gem_render_state.c
i915_gem_render_state.h
i915_gem_shrinker.c drm/i915: kerneldoc for i915_gem_shrinker.c 2015-03-20 11:48:16 +01:00
i915_gem_stolen.c Linux 4.0-rc3 2015-03-09 19:58:30 +10:00
i915_gem_tiling.c
i915_gem_userptr.c
i915_gpu_error.c drm/i915: Add fault address to error state for gen8 and gen9 2015-03-25 18:23:44 +01:00
i915_ioc32.c
i915_irq.c drm/i915: move clearing of RPS interrupt bits from disable to reset time 2015-03-24 10:14:48 +01:00
i915_params.c drm/i915: Add module param to test the load detect code 2015-03-27 11:22:52 +01:00
i915_reg.h drm/i915/bdw: WaProgramL3SqcReg1Default 2015-04-07 10:25:58 +02:00
i915_suspend.c
i915_sysfs.c drm/i915/skl: Updated the act_freq_mhz_show sysfs function 2015-03-17 22:30:25 +01:00
i915_trace.h drm/i915: Add dynamic page trace events 2015-03-27 09:25:44 +01:00
i915_trace_points.c
i915_vgpu.c
i915_vgpu.h drm/i915: Add ULL postfix to VGT_MAGIC constant 2015-03-17 22:30:18 +01:00
intel_acpi.c
intel_atomic.c drm/i915: Set crtc backpointer when duplicating crtc state 2015-03-17 22:29:53 +01:00
intel_atomic_plane.c drm/i915: Rotation property is now handled in DRM core 2015-03-10 09:59:33 +01:00
intel_audio.c drm/i915: Convert the ddi cdclk code to get_display_clock_speed 2015-03-31 17:28:58 +02:00
intel_bios.c drm/i915: base gmbus pin validity check on the gmbus pin map array 2015-04-01 14:11:56 +02:00
intel_bios.h
intel_crt.c drm/i915: rename GMBUS_PORT_* macros as GMBUS_PIN_* 2015-04-01 14:11:32 +02:00
intel_ddi.c drm/i915: Convert the ddi cdclk code to get_display_clock_speed 2015-03-31 17:28:58 +02:00
intel_display.c drm/i915: Set best_encoder field of connector_state also when disabling 2015-04-01 14:14:58 +02:00
intel_dp.c drm/i915: add i915 specific connector debugfs file for DPCD 2015-04-07 10:27:28 +02:00
intel_dp_mst.c drm/i915: Don't use staged config in intel_dp_mst_compute_config() 2015-03-26 18:00:18 +01:00
intel_drv.h drm/i915: Convert the ddi cdclk code to get_display_clock_speed 2015-03-31 17:28:58 +02:00
intel_dsi.c drm/i915: Implement connector state duplication 2015-03-26 16:28:21 +01:00
intel_dsi.h
intel_dsi_panel_vbt.c
intel_dsi_pll.c
intel_dvo.c drm/i915: base gmbus pin validity check on the gmbus pin map array 2015-04-01 14:11:56 +02:00
intel_fbc.c drm/i915: kill i915.powersave 2015-03-26 13:04:23 +01:00
intel_fbdev.c drm/i915: Pass in plane state when (un)pinning frame buffers 2015-03-23 15:00:57 +01:00
intel_fifo_underrun.c
intel_frontbuffer.c drm/i915: kill i915.powersave 2015-03-26 13:04:23 +01:00
intel_hdmi.c drm/i915: rename GMBUS_PORT_* macros as GMBUS_PIN_* 2015-04-01 14:11:32 +02:00
intel_i2c.c drm/i915: base gmbus pin validity check on the gmbus pin map array 2015-04-01 14:11:56 +02:00
intel_lrc.c drm/i915: Fix for ringbuf space wait in LRC mode 2015-04-01 07:54:43 +02:00
intel_lrc.h drm/i915: Move common request allocation code into a common function 2015-04-01 07:54:30 +02:00
intel_lvds.c drm/i915: base gmbus pin validity check on the gmbus pin map array 2015-04-01 14:11:56 +02:00
intel_modes.c
intel_opregion.c
intel_overlay.c drm/i915: Mark the overlay active only if we got ring space 2015-03-31 15:32:24 +02:00
intel_panel.c
intel_pm.c drm/i915: Convert the ddi cdclk code to get_display_clock_speed 2015-03-31 17:28:58 +02:00
intel_psr.c drm/i915/skl: Enabling PSR2 SU with frame sync 2015-04-07 10:06:38 +02:00
intel_renderstate.h
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c
intel_ringbuffer.c drm/i915/bdw: WaProgramL3SqcReg1Default 2015-04-07 10:25:58 +02:00
intel_ringbuffer.h drm/i915: Move common request allocation code into a common function 2015-04-01 07:54:30 +02:00
intel_runtime_pm.c drm/i915: Spelling s/auxilliary/auxiliary/ 2015-03-17 22:30:12 +01:00
intel_sdvo.c drm/i915: base gmbus pin validity check on the gmbus pin map array 2015-04-01 14:11:56 +02:00
intel_sdvo_regs.h
intel_sideband.c
intel_sprite.c drm/i915: Rip out GET_SPRITE_COLORKEY ioctl 2015-03-27 09:08:04 +01:00
intel_tv.c drm/i915: Implement connector state duplication 2015-03-26 16:28:21 +01:00
intel_uncore.c drm/i915: Disable the mmio.debug WARN after it fires 2015-03-17 22:30:00 +01:00
Kconfig
Makefile drm/i915: Extract i915_gem_shrinker.c 2015-03-20 11:48:15 +01:00