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2014-01-07drm/radeon: warn users when hw_i2c is enabled (v2)Alex Deucher1-0/+3
The hw i2c engines are disabled by default as the current implementation is still experimental. Print a warning when users enable it so that it's obvious when the option is enabled. v2: check for non-0 rather than 1 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org
2014-01-03drm/radeon: fix pptable.h portabilityAlex Deucher1-2/+2
The following isn't compatible with gcc 2.x: pragma pack(push, 1) ... pragma pack(pop) replace with: pragma pack(1) ... pragma pack() bug: https://bugzilla.kernel.org/show_bug.cgi?id=67961 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: remove generic rptr/wptr functions (v2)Alex Deucher14-133/+391
Fill in asic family specific versions rather than using the generic version. This lets us handle asic specific differences more easily. In this case, we disable sw swapping of the rtpr writeback value on r6xx+ since the hw does it for us. Fixes bogus rptr readback on BE systems. v2: remove missed cpu_to_le32(), add comments Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: enable dpm by default on CI APUsAlex Deucher1-2/+2
Dynamic power mangement works reliably now, so enable it by default. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: enable dpm by default on CI dGPUsAlex Deucher1-2/+2
Dynamic power mangement works reliably now, so enable it by default. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: enable gfx cgcg on CIK APUsAlex Deucher1-2/+2
Enable coarse grained clockgating. This works properly now that smc is initialized earlier than the rlc and cp. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: enable gfx cgcg on CIK dGPUsAlex Deucher1-2/+2
Enable coarse grained clockgating on CIK dGPUs. This works properly now that smc is initialized earlier than the rlc and cp. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/pm: move pm handling into the asic specific codeAlex Deucher21-24/+158
We need more control over the ordering of dpm init with respect to the rest of the asic. Specifically, the SMC has to be initialized before the rlc and cg/pg. The pm code currently initializes late in the driver, but we need it to happen much earlier so move pm handling into the asic specific callbacks. This makes dpm more reliable and makes clockgating work properly on CIK parts and should help on SI parts as well. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: switch on new late_enable callbackAlex Deucher15-205/+53
Right now it's called right after enable, but after reworking the dpm init order, it will get called later to accomodate loading the smc early, but enabling thermal interrupts and block powergating later after the ring tests are complete. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add late_enable for KB/KVAlex Deucher3-0/+26
Make sure interrupts are enabled before we enable thermal interrupts. Also, don't powergate uvd, etc. until after the ring tests. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add late_enable for CIAlex Deucher3-0/+31
Make sure interrupts are enabled before we enable thermal interrupts. Also, don't powergate uvd until after the ring tests. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add late_enable for SIAlex Deucher3-0/+24
Make sure interrupts are enabled before we enable thermal interrupts. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add late_enable for trinityAlex Deucher3-0/+24
Need to wait to enable cg and pg until after ring tests. Also make sure interrupts are enabled before we enable thermal interrupts. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add late_enable for sumoAlex Deucher3-0/+22
Need to wait to enable cg and pg until after ring tests. Also make sure interrupts are enabled before we enable thermal interrupts. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add late_enable for rv7xx-NIAlex Deucher3-0/+27
Make sure interrupts are enabled before we enable thermal interrupts. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add late_enable for rs780/rs880/rv6xxAlex Deucher3-0/+19
Make sure interrupts are enabled before we enable thermal interrupts. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: add a late enable callbackAlex Deucher2-0/+15
Certain features need to be enabled after ring tests (e.g., powergating, etc.). Add a function pointer to split out late enable features. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: re-order firmware loading in preparation for dpm reworkAlex Deucher6-77/+84
We need to reorder the driver init sequence to better accomodate dpm which needs to be loaded earlier in the init sequence. Move fw init up so that it's available for dpm init. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/cik: drop cg_update from dpm codeAlex Deucher2-61/+0
I'm not entirely sure this is required and it won't work with the dpm restructing anyway. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/si: drop cg_update from dpm codeAlex Deucher2-40/+2
I'm not entirely sure this is required and it won't work with the dpm restructing anyway. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon/dpm: remove unnecessary checks in dpm_initAlex Deucher1-19/+17
No need to check rdev->pm.num_power_states; this is a vestige of the old pm code. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: add GART debugfs access v3Christian König2-0/+64
v2: add default_llseek v3: set inode size in the open callback Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: add VRAM debugfs access v3Christian König3-1/+81
Not very fast, but makes it possible to access even the normally inaccessible parts of VRAM from userspace. v2: use MM_INDEX_HI for >2GB mem access, add default_llseek v3: set inode size in the open callback Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: cleanup radeon_ttm debugfs handlingChristian König1-36/+23
Otherwise we not necessary export the right information. Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: update fence values in before reporting themChristian König1-0/+2
Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: report the real offset in radeon_sa_bo_dump_debug_infoChristian König1-2/+4
Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-25drm/radeon: improve ring debugfs a bitChristian König1-18/+38
Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2013-12-18drm/dp: Clarify automated test constant and add constant for FAUX test patternTodd Previte1-1/+2
- DP_TEST_LINK_PATTERN is ambiguous, rename to DP_TEST_LINK_VIDEO_PATTERN to clarify - Added DP_TEST_LINK_FAUX_PATTERN to support automated testing of Fast AUX Signed-off-by: Todd Previte <tprevite@gmail.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: use memdup_user() as a cleanupDan Carpenter1-34/+12
drivers/gpu/drm/r128/r128_state.c:1014:10-17: WARNING opportunity for memdup_user /c/kernel-tests/src/cocci/drivers/gpu/drm/r128/r128_state.c:1029:9-16: WARNING opportunity for memdup_user /c/kernel-tests/src/cocci/drivers/gpu/drm/r128/r128_state.c:904:10-17: WARNING opportunity for memdup_user /c/kernel-tests/src/cocci/drivers/gpu/drm/r128/r128_state.c:914:9-16: WARNING opportunity for memdup_user Use memdup_user rather than duplicating its implementation This is a little bit restricted to reduce false positives Generated by: coccinelle/api/memdup_user.cocci CC: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: remove dev->vma_countDaniel Vetter4-9/+7
This is just used for a debugfs file, and we can easily reconstruct this number by just walking the list twice. Which isn't really bad for a debugfs file anyway. So let's rip this out. There's the other issue that the dev->vmalist itself is a bit useless, since that can be reconstructed with all the memory mapping information from proc. But remove that is a different topic entirely. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: Kill file_priv->ioctl_count trackingDaniel Vetter4-7/+3
It's racy, and it's only used in debugfs. There are simpler ways to know whether something is going on (like looking at dmesg with full debugging enabled). And they're all much more useful. So let's just rip this out. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: rip out dev->ioctl_count trackingDaniel Vetter3-10/+1
Now dev->ioctl_count tries to prevent the device from disappearing if it's still in use. And if we'd actually need this code it would be hopelessly racy and broken. But luckily the vfs already takes care of this. So we can just rip it out. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm/gma500: Remove dead codeDaniel Vetter1-15/+0
This has the nice advantage that we'll get rid of a DRM_WAIT_ON user for free. Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: Kill DRM_SUSERDaniel Vetter3-4/+3
Checking directly for the right capability is simpler. Also this rids us of a few places that use DRM_CURRENTPID. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: Kill DRM_*MEMORYBARRIERDaniel Vetter12-21/+14
The real linux interfaces are soooo much easier on the eyes ... Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: Kill DRM_COPY_(TO|FROM)_USERDaniel Vetter21-71/+64
Less yelling ftw! Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: Kill DRM_WAKUP and DRM_INIT_WAITQUEUEDaniel Vetter10-24/+21
Less yelling ftw! Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: Kill DRM_IRQ_ARGSDaniel Vetter24-27/+24
I've killed them a long time ago in drm/i915, let's get rid of this remnant of shared drm core days for good. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: Kill DRM_HZDaniel Vetter14-22/+20
We don't have any userspace interfaces that use HZ as a time unit, so having our own DRM define is useless. Remove this remnant from the shared drm core days. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: rip out DRM_AGP_MEM and DRM_AGP_KERNDaniel Vetter5-31/+18
The <linux/agp_backend.h> header provides dummy functions and fallbacks, so no need for screaming macros. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: remove global_mutex locking around agp_initDaniel Vetter1-4/+0
David Herrmann dutifully moved this locking along when moving the agp_init call out of the generic drm_dev_register into the pci specific load helpers. But afaict there's no need and the reason for that locking has been purely a historical accident - we need the lock around the driver dev node registration to paper over the midlayer init races, and the agp init simply ended up in there. The real fix for all this is of course to delay the dev (and sysfs/debugfs) interface registration until everything is fully set up. Until then stop the cargo-cult locking from spreading and remove the locking. Cc: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm/agpsupport: use kzalloc instead of kmalloc/memsetDave Airlie1-5/+2
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: kill the ->agp_destroy callbackDaniel Vetter3-7/+5
Call drm_pci_agp_destroy directly, there's no point in the indirection. Long term we want to shuffle this into each driver's unload logic, but that needs cleared-up drm lifetime rules first. v2: Add a dummy function for !CONFIG_PCI, spotted my David Herrmann. v3: Fixup for the coding style police. Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Cc: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: inline drm_agp_destroyDaniel Vetter3-21/+4
Wrapping a kfree is pointless. v2: Add a comment to the kerneldoc for drm_agp_init to explain where the kfree happens as requested by David. Note that for modeset drivers agp cleanup is fairly complicated anyway: The drm_agp_clear is a noop and drivers must call drm_agp_release on their own. Which they all seem to do properly. Cc: David Herrmann <dh.herrmann@gmail.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: remove agp_init() bus callbackDaniel Vetter3-11/+10
The PCI bus helper is the only user of it. Call it directly before device-registration to get rid of the callback. Note that all drm_agp_*() calls are locked with the drm-global-mutex so we need to explicitly lock it during initialization. It's not really clear why it's needed, but lets be safe. v2: Rebase on top of the agp_init interface change. v3: Remove the rebase-fail where I've accidentally killed the ->irq_by_busid callback a bit too early. Cc: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: David Herrmann <dh.herrmann@gmail.com> (v1) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: rip out drm_core_has_AGPDaniel Vetter7-26/+11
Most place actually want to just check for dev->agp (most do, but a few don't so this fixes a few potential NULL derefs). The only exception is the agp init code which should check for the AGP driver feature flag. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: ->agp_init can't failDaniel Vetter3-8/+4
Thanks to the removal of REQUIRE_AGP we can use a void return value and shed a bit of complexity. Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm: kill DRIVER_REQUIRE_AGPDaniel Vetter6-9/+11
Only the two intel drivers need this and they can easily check for working agp support in their driver ->load callbacks. This is the only reason why agp initialization could fail, so allows us to rip out a bit of error handling code in the next patch. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm/rcar-du: Fix return value check in rcar_du_lvdsenc_get_resources()Wei Yongjun1-11/+2
In case of error, the function devm_ioremap_resource() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Also remove the dev_err call to avoid redundant error message. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> [Remove the unneeded mem == NULL check] Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-12-18drm/dp: Use AUX constants from specificationThierry Reding4-69/+73
The current values seem to be defined in a format that's specific to the i915, gma500 and radeon drivers. To make this more generally useful, use the values as defined in the specification. While at it, prefix the constants with DP_ for improved namespacing. Signed-off-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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