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ea0c76f8c3
linux/drivers/gpu/drm/i915
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Oscar Mateo ea0c76f8c3 drm/i915: Emphasize that ctx->obj & ctx->is_initialized refer to the legacy rcs ctx 
We have already advanced that Logical Ring Contexts have their own kind
of backing objects, but everything will be better explained in the Execlists
series. For now, suffice it to say that the current backing object is only
ever used with the render ring, so we're making this fact more explicit
(which is a good reason on its own).

As for the is_initialized flag, we only use to signify that the render state
has been initialized (a.k.a. golden context, a.k.a. null context). It doesn't
mean anything for the other engines, so make that distinction obvious.

Done with the following Coccinelle patch (plus manual frobbing of the struct):

    @@
    struct intel_context c;
    @@
    - (c).obj
    + c.legacy_hw_ctx.rcs_state

    @@
    struct intel_context *c;
    @@
    - (c)->obj
    + c->legacy_hw_ctx.rcs_state

    @@
    struct intel_context c;
    @@
    - (c).is_initialized
    + c.legacy_hw_ctx.initialized

    @@
    struct intel_context *c;
    @@
    - (c)->is_initialized
    + c->legacy_hw_ctx.initialized

This Execlists prep-work patch has been suggested by Chris Wilson and Daniel
Vetter separately.

Initially, it was two separate patches:
drm/i915: Rename ctx->obj to ctx->rcs_state
drm/i915: Make it obvious that ctx->id is merely a user handle

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: s/id/is_initialized/ to fix the subject and resolve a
conflict in i915_gem_context_reset. Also introduce a new lctx local
variable to avoid overtly long lines.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-07-08 12:30:35 +02:00
..
dvo_ch7xxx.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_ch7017.c
dvo_ivch.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_ns2501.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_sil164.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_tfp410.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo.h
i915_cmd_parser.c drm/i915: Add some L3 registers to the parser whitelist 2014-06-18 00:48:35 +02:00
i915_debugfs.c drm/i915: Emphasize that ctx->obj & ctx->is_initialized refer to the legacy rcs ctx 2014-07-08 12:30:35 +02:00
i915_dma.c drm/i915: Corrected 'file_priv' to 'file' in 'i915_driver_preclose()' 2014-07-07 20:00:44 +02:00
i915_drv.c drm/i915: make system freeze support depend on CONFIG_ACPI_SLEEP 2014-07-08 12:30:15 +02:00
i915_drv.h drm/i915: Emphasize that ctx->obj & ctx->is_initialized refer to the legacy rcs ctx 2014-07-08 12:30:35 +02:00
i915_gem_context.c drm/i915: Emphasize that ctx->obj & ctx->is_initialized refer to the legacy rcs ctx 2014-07-08 12:30:35 +02:00
i915_gem_debug.c drm/i915: prefer struct drm_i915_private to drm_i915_private_t 2014-03-31 15:34:21 +02:00
i915_gem_dmabuf.c drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
i915_gem_evict.c drm/i915: Prevent negative relocation deltas from wrapping 2014-05-27 11:18:40 +03:00
i915_gem_execbuffer.c drm/i915: Track frontbuffer invalidation/flushing 2014-06-19 18:14:47 +02:00
i915_gem_gtt.c Linux 3.16-rc4 2014-07-07 10:17:56 +02:00
i915_gem_gtt.h drm/i915: Added write-enable pte bit supportt 2014-06-17 09:21:47 +02:00
i915_gem_render_state.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
i915_gem_stolen.c drm/i915: Try harder to get FBC 2014-07-03 11:27:57 +03:00
i915_gem_tiling.c drm/i915: prefer struct drm_i915_private to drm_i915_private_t 2014-03-31 15:34:21 +02:00
i915_gem_userptr.c drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
i915_gem.c drm/i915: Restrict GPU boost to the RCS engine 2014-07-08 10:25:17 +02:00
i915_gpu_error.c drm/i915/bdw: collect semaphore error state 2014-07-07 23:16:54 +02:00
i915_ioc32.c drm: Remove DRM_ARRAY_SIZE() for ARRAY_SIZE() 2014-06-10 09:36:17 +10:00
i915_irq.c drm/i915: Implement MI decode for gen8 2014-07-07 23:16:34 +02:00
i915_params.c drm/i915: Replaced Blitter ring based flips with MMIO flips 2014-06-17 16:16:20 +02:00
i915_reg.h drm/i915/bdw: implement semaphore wait 2014-07-07 22:22:58 +02:00
i915_suspend.c drm/i915: disable GT power saving early during system suspend 2014-05-22 21:53:27 +02:00
i915_sysfs.c drm/i915: s/i915_hw_context/intel_context 2014-05-22 23:41:17 +02:00
i915_trace_points.c
i915_trace.h drm/i915: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_ums.c drm/i915: Only restore backlight combination mode reg for ums 2014-01-24 17:22:45 +01:00
intel_acpi.c Merge branch 'acpi-dsm' 2014-01-12 23:45:52 +01:00
intel_bios.c drm/i915: default to having backlight if VBT not available 2014-06-23 16:08:20 +03:00
intel_bios.h drm/i915: Detect if MIPI panel based on VBT and initialize only if present 2014-06-05 08:52:33 +02:00
intel_crt.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_ddi.c drm/i915: Support pf CRC source on haswell transcoder edp 2014-07-07 19:48:52 +02:00
intel_display.c drm/i915: Support pf CRC source on haswell transcoder edp 2014-07-07 19:48:52 +02:00
intel_dp.c drm/i915: correct BLC vs PWM enable/disable ordering 2014-07-07 23:44:43 +02:00
intel_drv.h drm/i915: Support pf CRC source on haswell transcoder edp 2014-07-07 19:48:52 +02:00
intel_dsi_cmd.c drm/i915: Send DPI command explicitely in LP mode 2014-04-09 21:54:30 +02:00
intel_dsi_cmd.h drm/i915: Send DPI command explicitely in LP mode 2014-04-09 21:54:30 +02:00
intel_dsi_panel_vbt.c drm/i915: Fix checkpatch errors 2014-06-11 16:57:33 +02:00
intel_dsi_pll.c drm/i915: Try harder to get best m, n, p values with minimal error 2013-12-11 23:52:18 +01:00
intel_dsi.c drm/i915: Fix memory leak in intel_dsi_init() error path 2014-06-13 22:08:15 +02:00
intel_dsi.h drm/i915: Add support for Generic MIPI panel driver 2014-06-05 08:52:32 +02:00
intel_dvo.c drm/i915: Don't get hw state from DVO chip unless DVO is enabled 2014-06-13 15:17:37 +02:00
intel_fbdev.c drm/i915: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN 2014-07-02 13:31:32 +03:00
intel_hdmi.c drm/i915/chv: Force clock buffer enables 2014-06-11 16:57:30 +02:00
intel_i2c.c drm/i915: Kill duplicated cdclk readout code from i2c 2014-07-07 11:27:52 +02:00
intel_lvds.c drm/i915: replace drm_get_connector_name() with direct name field use 2014-06-04 13:14:37 +10:00
intel_modes.c
intel_opregion.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_overlay.c drm/i915: Track frontbuffer invalidation/flushing 2014-06-19 18:14:47 +02:00
intel_panel.c drm/i915: set backlight duty cycle after backlight enable for gen4 2014-06-11 11:06:43 +03:00
intel_pm.c drm/i915/bdw: 3D_CHICKEN3 has write mask bits 2014-07-07 18:31:14 +02:00
intel_renderstate_gen6.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate_gen7.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate_gen8.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate.h drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_ringbuffer.c drm/i915/bdw: poll semaphores 2014-07-07 23:16:55 +02:00
intel_ringbuffer.h drm/i915/bdw: implement semaphore signal 2014-07-07 22:16:23 +02:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Avoid div-by-zero when pixel_multiplier is zero 2014-06-11 11:06:43 +03:00
intel_sideband.c drm/i915: vlv/chv: fix DSI sideband register accessing 2014-05-19 17:50:14 +02:00
intel_sprite.c Linux 3.16-rc4 2014-07-07 10:17:56 +02:00
intel_tv.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_uncore.c Merge branch 'topic/soix' into drm-intel-next-queued 2014-06-18 11:44:05 +02:00
Kconfig drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
Makefile drm/i915: Add support for Generic MIPI panel driver 2014-06-05 08:52:32 +02:00