Thomas Hellstrom 355a701838 drm/gem: Warn on illegal use of the dumb buffer interface v2 ...

It happens on occasion that developers of generic user-space applications
abuse the dumb buffer API to get hold of drm buffers that they can both
mmap() and use for GPU acceleration, using the assumptions that dumb buffers
and buffers available for GPU are
a) The same type and can be aribtrarily type-casted.
b) fully coherent.

This patch makes the most widely used drivers warn nicely when that happens,
the next step will be to fail.

v2: Move drmP.h changes to drm_gem.h. Fix Radeon dumb mmap breakage.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2014-11-21 12:12:41 +10:00

..

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: Check pixel clock in ns2501 mode_valid hook

2014-09-03 11:05:21 +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

Merge remote-tracking branch 'airlied/drm-next' into HEAD

2014-11-10 10:55:35 +01:00

i915_debugfs.c

drm/i915/skl: Add a debugfs file to dump the DDB allocation

2014-11-07 18:42:09 +01:00

i915_dma.c

drm/i915: unify switcheroo and legacy suspend/resume handlers

2014-10-24 16:34:21 +02:00

i915_drv.c

drm/gem: Warn on illegal use of the dumb buffer interface v2

2014-11-21 12:12:41 +10:00

i915_drv.h

drm/gem: Warn on illegal use of the dumb buffer interface v2

2014-11-21 12:12:41 +10:00

i915_gem_context.c

drm/i915: Move flags describing VMA mappings into the VMA

2014-11-04 14:04:51 +01:00

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

dma-buf: use reservation objects

2014-07-08 13:03:20 -07:00

i915_gem_evict.c

drm/i915: fix another use-after-free in i915_gem_evict_everything

2014-09-19 14:41:16 +02:00

i915_gem_execbuffer.c

drm/gem: Warn on illegal use of the dumb buffer interface v2

2014-11-21 12:12:41 +10:00

i915_gem_gtt.c

drm/i915: fix "Unexpected fault" error message line break

2014-11-07 18:41:57 +01:00

i915_gem_gtt.h

drm/i915: Move flags describing VMA mappings into the VMA

2014-11-04 14:04:51 +01:00

i915_gem_render_state.c

drm/i915 Add golden context support for Gen9

2014-11-04 14:04:55 +01:00

i915_gem_render_state.h

drm/i915/bdw: Render state init for Execlists

2014-09-03 11:04:52 +02:00

i915_gem_stolen.c

drm/i915: Move flags describing VMA mappings into the VMA

2014-11-04 14:04:51 +01:00

i915_gem_tiling.c

drm/i915: Report the actual swizzling back to userspace

2014-11-07 18:42:01 +01:00

i915_gem_userptr.c

drm/i915: Do not leak pages when freeing userptr objects

2014-09-29 15:31:01 +02:00

i915_gem.c

drm/gem: Warn on illegal use of the dumb buffer interface v2

2014-11-21 12:12:41 +10:00

i915_gpu_error.c

drm/i915: Add gen to the gpu hang ecode

2014-11-07 18:42:22 +01:00

i915_ioc32.c

drm/i915: remove redundant #ifdef CONFIG_COMPAT

2014-10-24 16:34:07 +02:00

i915_irq.c

drm/i915: Make mmio flip wait for seqno in the work function

2014-11-07 18:42:20 +01:00

i915_params.c

Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux

2014-10-14 09:39:08 +02:00

i915_reg.h

Merge remote-tracking branch 'airlied/drm-next' into HEAD

2014-11-10 10:55:35 +01:00

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: Do not export RC6p and RC6pp if they don't exist

2014-10-24 16:34:00 +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_audio.c

drm/i915/audio: add DOC comment describing HDA over HDMI/DP

2014-11-07 18:42:19 +01:00

intel_bios.c

Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux

2014-10-14 09:39:08 +02:00

intel_bios.h

drm/i915/bios: add missing __packed to structs used for reading vbt

2014-09-19 14:43:14 +02:00

intel_crt.c

drm/i915: Don't claim that we're resetting PCH ADPA register

2014-10-24 16:34:10 +02:00

intel_ddi.c

drm/i915: make pipe/port based audio valid accessors easier to use

2014-11-07 18:42:18 +01:00

intel_display.c

Merge tag 'drm-intel-next-2014-11-07-fixups' of git://anongit.freedesktop.org/drm-intel into drm-next

2014-11-15 09:33:40 +10:00

intel_dp_mst.c

drm: Miscellaneous fixes for v3.19-rc1

2014-11-15 09:37:20 +10:00

intel_dp.c

Merge tag 'drm-intel-next-2014-11-07-fixups' of git://anongit.freedesktop.org/drm-intel into drm-next

2014-11-15 09:33:40 +10:00

intel_drv.h

drm/i915: Make mmio flip wait for seqno in the work function

2014-11-07 18:42:20 +01:00

intel_dsi_cmd.c

drm/i915: Align intel_dsi*.c files a bit

2014-08-08 17:43:45 +02:00

intel_dsi_cmd.h

drm/i915: wait for all DSI FIFOs to be empty

2014-08-07 11:07:15 +02:00

intel_dsi_panel_vbt.c

drm/i915: Add support for Video Burst Mode for MIPI DSI

2014-08-08 17:43:45 +02:00

intel_dsi_pll.c

drm/i915: Align intel_dsi*.c files a bit

2014-08-08 17:43:45 +02:00

intel_dsi.c

drm/i915: Bikeshed rpm functions name a bit.

2014-10-01 10:52:59 +02:00

intel_dsi.h

drm/i915: Add support for Video Burst Mode for MIPI DSI

2014-08-08 17:43:45 +02:00

intel_dvo.c

drm/i915: Don't call DVO mode_set hook on DPMS changes

2014-09-03 11:05:14 +02:00

intel_fbdev.c

drm/i915: Make intel_pin_and_fence_fb_obj take plane and framebuffer

2014-11-07 18:41:51 +01:00

intel_fifo_underrun.c

drm/i915: kerneldoc for intel_fifo_underrun.c

2014-10-24 16:33:55 +02:00

intel_frontbuffer.c

drm/i915: spelling fixes for frontbuffer tracking kerneldoc

2014-10-01 10:52:57 +02:00

intel_hdmi.c

drm/i915: enable audio codec after port

2014-11-07 18:42:17 +01:00

intel_i2c.c

drm/i915: Kill duplicated cdclk readout code from i2c

2014-07-07 11:27:52 +02:00

intel_lrc.c

Merge remote-tracking branch 'airlied/drm-next' into HEAD

2014-11-10 10:55:35 +01:00

intel_lrc.h

drm/i915/bdw: Render state init for Execlists

2014-09-03 11:04:52 +02:00

intel_lvds.c

drm/i915: Bikeshed rpm functions name a bit.

2014-10-01 10:52:59 +02:00

intel_modes.c

…

intel_opregion.c

ACPI / i915: Update the condition to ignore firmware backlight change request

2014-09-30 01:11:18 +02:00

intel_overlay.c

drm/i915: use helpers

2014-07-18 14:25:15 +10:00

intel_panel.c

drm/i915: spt does not have pch backlight override bit

2014-10-24 16:34:09 +02:00

intel_pm.c

drm/i915/skl: Enable Gen9 RC6

2014-11-07 18:42:15 +01:00

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 Update Gen8 golden context batch buffer

2014-11-04 14:04:54 +01:00

intel_renderstate_gen9.c

drm/i915 Add golden context support for Gen9

2014-11-04 14:04:55 +01:00

intel_renderstate.h

drm/i915 Add golden context support for Gen9

2014-11-04 14:04:55 +01:00

intel_ringbuffer.c

drm/i915: Fix null pointer dereference in ring cleanup code

2014-11-04 23:22:14 +01:00

intel_ringbuffer.h

drm/i915/bdw: Apply workarounds in render ring init function

2014-09-03 11:04:42 +02:00

intel_runtime_pm.c

drm/i915: Enable pipe-a power well on chv

2014-11-04 23:22:11 +01:00

intel_sdvo_regs.h

drm/i915: use __packed instead of __attribute__((packed))

2013-12-03 18:19:49 +01:00

intel_sdvo.c

drm/i915: Don't destroy DRM properties in the driver

2014-10-31 18:38:17 +01:00

intel_sideband.c

drm/i915: vlv/chv: fix DSI sideband register accessing

2014-05-19 17:50:14 +02:00

intel_sprite.c

drm/i915: Use vblank evade mechanism in mmio_flip

2014-11-07 18:41:59 +01:00

intel_tv.c

drm/i915: Clarify irq_lock locking, intel_tv_detect

2014-09-19 14:43:19 +02:00

intel_uncore.c

Revert "drm/i915/vlv: Remove check for Old Ack during forcewake"

2014-11-07 18:42:21 +01:00

Kconfig

drm/i915: Ditch UMS config option

2014-07-24 10:59:53 +02:00

Makefile

drm/i915: add new intel audio file to group DP/HDMI audio

2014-11-04 23:21:56 +01:00