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path: root/drivers/gpu/drm
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2015-09-30drm/i915: Add CD and pixel clock informationMika Kahola
This patch adds information of current and maximum CD clock frequency and pixel clock frequency information on 'i915_debugfs.c'. v2: - combined seperate patches for current CD clock, maximum CD clock and maximum pixel clock - space added between the frequency value and the unit Signed-off-by: Mika Kahola <mika.kahola@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: s/DDI_BUF_CTL_A/DDI_BUF_CTL(PORT_A)/Ville Syrjälä
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Add VLV_HDMIB etc. which already include VLV_DISPLAY_BASEVille Syrjälä
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: s/_CURACNTR/CURCNTR(PIPE_A)/Ville Syrjälä
v2: Deal with _CURABASE too Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Parametrize PALETTE and LGC_PALETTEVille Syrjälä
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Include MCHBAR_MIRROR_BASE in ILK_GDSRVille Syrjälä
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Always use GEN8_RING_PDP_{LDW, UDW} instead of hand rolling the ↵Ville Syrjälä
register offsets Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Add LO/HI PRIVATE_PAT registersVille Syrjälä
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Parametrize UOS_RSA_SCRATCHVille Syrjälä
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Add HDMI aspect ratio property for SDVOVille Syrjälä
Handle the HDMI aspect ratio property the same way in the SDVO code as we handle it in the HDMI code. v2: Remove stray whitespace change Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Constify adjusted_modeVille Syrjälä
Make adjusted_mode const whereever we don't have to modify it. This only covers cases when we have a local adjusted_mode variable, and doesn't make any difference for cases where we just dereference pipe_config->adjusted_mode. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Move HDMI aspect ratio setup to .compute_config()Ville Syrjälä
We shouldn't frob adjusted_mode after .compute_config(), so move the infoframe aspect ratio setup to .compute_config() from intel_hdmi_set_avi_infoframe(). Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Always use crtc_ timings when dealing with adjustead_modeVille Syrjälä
The adjustead_mode crtc_ timings are what we will program into the hardware, so it's those timings we should be looking practically everywhere. The normal and crtc_ timings should differ only when stere doubling is used. In that case the normal timings are the orignal non-doubled timigns, and crtc_ timings are the doubled timings used by the hardware. The only case where we continue to look at the normal timings is when we pass the adjusted_mode to drm_match_{cea,hdmi}_mode() to find the VIC. drm_edid keeps the modes aronund in the non-double form only, so it needs the non-double timings to match against. Done with sed 's/adjusted_mode->\([vhVH]\)/adjusted_mode->crtc_\1/g' 's/adjusted_mode->clock/adjusted_mode->crtc_clock/g' with a manual s/VDisplay/vdisplay/ within the comment in intel_dvo.c v2: Update due to intel_dsi.c changes Reviewed-by: Mika Kahola <mika.kahola@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: s/mode/adjusted_mode/ in functions that really get passed the ↵Ville Syrjälä
adjusted_mode Rename the function argument to 'adjusted_mode' whenever the function only ever gets passed the adjusted_mode. v2: Update due to intel_dsi.c changes Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: export size_is_valid() from __intel_fbc_update()Paulo Zanoni
Make the giant function a little less giant. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> [danvet: Add pipe_ prefix as suggested by Chris.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: extract fbc_supported()Paulo Zanoni
Make it clear that we're checking whether FBC is supported or not. The fact that the vfunc is not NULL is just a consequence. Another name option would have been fbc_initialized(). Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: don't use the first stolen page on BroadwellPaulo Zanoni
The spec says we just can't use it. v2: - Add WA name (Ville). - Add a big comment explaining that we still didn't fix the problem where we inherit a framebuffer on the first page (Chris, Ville). Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Add primary plane to mask if it's visibleMaarten Lankhorst
This fixes the warnings like "plane A assertion failure, should be disabled but not" that on the initial modeset during boot. This can happen if the primary plane is enabled by the firmware, but inheriting it fails because the DMAR is active or for other reasons. Most likely caused by commit 36750f284b3a4f19b304fda1bb7d6e9e1275ea8d Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Date: Mon Jun 1 12:49:54 2015 +0200 drm/i915: update plane state during init This is the 4.4 version of commit 721a09f7393de6c28a07516dccd654c6e995944a Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Date: Tue Sep 15 14:28:54 2015 +0200 drm/i915: Add primary plane to mask if it's visible Reported-by: Andreas Reis <andreas.reis@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91429 Reported-and-tested-by: Emil Renner Berthing <kernel@esmil.dk> Tested-by: Andreas Reis <andreas.reis@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Parametrize fence registersVille Syrjälä
v2: Hide the 945 vs. rest of gen2/3 difference in the macro Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915/bxt: Set oscaledcompmethod to enable scale valueSonika Jindal
Bspec update tells that we have to enable oscaledcompmethod instead of ouniqetrangenmethod for enabling scale value during swing programming. v2: Adding back 'don't care' values to bxt_ddi_translations_dp and add error message if ouniquetrangemethod was set (Imre) Signed-off-by: Sonika Jindal <sonika.jindal@intel.com> Reviewed-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>(v1) Reviewed-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915/bxt: eDP low vswing supportSonika Jindal
Adding voltage swing table for edp to support low vswings. v2: Rebased. Signed-off-by: Sonika Jindal <sonika.jindal@intel.com> Reviewed-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: fixup runtime PM handling v2Jesse Barnes
According to the PCI docs and Rafael, we don't need to be doing explicit enables and disables in our init and teardown routines, as they're taken care of by the PCI core. So drop the pm_runtime_disable() at teardown and pm_runtime_set_active() at init. This fixes one failure of the basic-pci-d3-state test on my BYT. v2: drop extra get_noresume() and put_noidle() (Rafael) Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Acked-by: "Rafael J. Wysocki" <rjw@rjwysocki.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915/guc: Fix a bug in GuC status checkAlex Dai
Bit 16 of GuC status indicates resuming from RC6. The LAPIC_DONE status is a reliable readiness flag only when resuming from RC6. This fix a racing issue that allocation of doorbell fails whilst GuC init is not finished. Signed-off-by: Alex Dai <yu.dai@intel.com> Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Always call the adjusted mode 'adjusted_mode'Ville Syrjälä
Always name any variable pointing at the adjusted mode as 'adjustead_mode'. This will make it much easier to identify when we should use the crtc_ timings and when we shoudln't. Conversion was performed with coccinelle: @@ expression E; identifier I; @@ - struct drm_display_mode *I = &E.adjusted_mode; + struct drm_display_mode *adjusted_mode = &E.adjusted_mode; <... - I + adjusted_mode ...> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> [danvet: Fixup conflicts.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Use intel_panel for DVO fixed mode handlingVille Syrjälä
Replace intel_dvo->panel_fixed_mode with the appropriate intel_panel stuff. Now all connectors that have a fixed mode use intel_panel. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915/skl: Block disable call for pw1 if dmc firmware is present.Animesh Manna
Another interesting criteria to work dmc as expected is pw1 to be enabled by driver and dmc will shut it off in its execution sequence. If already disabled by driver dmc will get confuse and behave differently than expected found during pc10 entry issue for skl. So berfore we disable power-well 1, added check if dmc firmware is present and driver will not disable power well 1, but for any reason if firmware is not present of failed to load we can shut off the power well 1 which will save some power. As skl is currently fully dependent on dmc to go in lowest possible power state (dc6) but the same is not applicable for bxt. Display engine can enter into dc9 without dmc, hence unblocking disable call. v1: Initial version. v2: Rebased as per current patch series. Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Damien Lespiau <damien.lespiau@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Sunil Kamath <sunil.kamath@intel.com> Signed-off-by: Animesh Manna <animesh.manna@intel.com> Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com> Reviewed-by: A.Sunil Kamath <sunil.kamath@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915/skl: Do not disable cdclk PLL if csr firmware is presentAnimesh Manna
While display engine entering into low power state no need to disable cdclk pll as CSR firmware of dmc will take care. If pll is already enabled firmware execution sequence will be blocked. This is one of the criteria for dmc to work properly. v1: Initial version. v2: Based on review comment from Daniel added code commnent. Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Damien Lespiau <damien.lespiau@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Sunil Kamath <sunil.kamath@intel.com> Signed-off-by: Animesh Manna <animesh.manna@intel.com> Signed-off-bt: Vathsala Nagaraju <vathsala.nagaraju@intel.com> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> Reviewed-by: A.Sunil Kamath <sunil.kamath@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915/skl Remove the call for csr uninitialization from suspend pathAnimesh Manna
This patch remove the function call to set the firmware loading status as uninitialized during suspend. Dmc firmware will restore the firmware in normal suspend. In previous patch added a check to directly read the hardware status and load the firmware if got reset during resume from suspend-hibernation. Cc: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Animesh Manna <animesh.manna@intel.com> Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com> Reviewed-by: A.Sunil Kamath <sunil.kamath@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915/skl: Added a check for the hardware status of csr fw before loading.Animesh Manna
Dmc will restore the csr program except DC9, cold boot, warm reset, PCI function level reset, and hibernate/suspend. intel_csr_load_program() function is used to load the firmware data from kernel memory to csr address space. All values of csr address space will be zero if it got reset and the first byte of csr program is always a non-zero if firmware is loaded successfuly. Based on hardware status will load the firmware. Without this condition check if we overwrite the firmware data the counters exposed for dc5/dc6 (help for debugging) will be nullified. Note: Above commit message seems to be confused and the real problem apparently going on is that for suspend-to-idle and system standby the firmware survives (it's like runtime pm), but it doesn't for suspend-to-mem and hibernate-to-disk. All the other talking about DC9 and pci reset are irrelevant for the path touched here (only driver load and system resume functions) and might not be true statements. v1: Initial version. v2: Based on review comments from Daniel, - Added a check to know hardware status and load the firmware if not loaded. Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Damien Lespiau <damien.lespiau@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Sunil Kamath <sunil.kamath@intel.com> Signed-off-by: Animesh Manna <animesh.manna@intel.com> Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com> Reviewed-by: A.Sunil Kamath <sunil.kamath@intel.com> [danvet: Explain clearly in the code comment when we need to reload and when not and make it a FIXME. Also deconfuse the commit message with a note. Also: Make. it. compile.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/i915: Detect virtual south bridgeRobert Beckett
Virtualized systems often use a virtual P2X4 south bridge. Detect this in intel_detect_pch and make a best guess as to which PCH we should be using. This was seen on vmware esxi hypervisor. When passing the graphics device through to a guest, it can not pass through the PCH. Instead it simulates a P2X4 southbridge. Signed-off-by: Robert Beckett <robert.beckett@intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/doc: Update docs about device instance setupDaniel Vetter
->load is deprecated, bus functions are deprecated and everyone should use drm_dev_alloc&register. So update the .tmpl (and pull a bunch of the overview docs into the sourcecode to increase chances that it'll stay in sync in the future) and add notes to functions which are deprecated. I didn't bother to clean up and document the unload sequence similarly since that one is still a bit a mess: drm_dev_unregister does way too much, drm_unplug_dev does what _unregister should be doing but then has the complication of promising something it doesn't actually do (it doesn't unplug existing open fds for instance, only prevents new ones). Motivated since I don't want to hunt every new driver for usage of drm_platform_init any more ;-) v2: Reword the deprecation note for ->load a bit, using Laurent's suggestion as an example (but making the wording a bit stronger even). Fix spelling in commit message. v3: More spelling fixes from Laurent. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: David Herrmann <dh.herrmann@gmail.com> Acked-by: David Herrmann <dh.herrmann@gmail.com> (v2) Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-09-30drm/exynos: remove unused mode_fixup() codeGustavo Padovan
CRTC's mode_fixup() isn't used anymore in exynos, remove it. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: remove decon_mode_fixup()Gustavo Padovan
The only thing mode_fixup was doing was set the adjusted_mode->vrefresh to 60, but it already has the value of 60 when the decon_mode_fixup() is called. That means this call is actually pointless and can be removed. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: remove fimd_mode_fixup()Gustavo Padovan
The only thing mode_fixup was doing was set the adjusted_mode->vrefresh to 60, but it already has the value of 60 when the fimd_mode_fixup() is called. That means this call is actually pointless and can be removed. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: rotator: Clock control is unused if !PMThierry Reding
Protect the rotator_clk_crtl() function with an #ifdef CONFIG_PM guard to avoid "defined but not used" warnings. Signed-off-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: fimc: Clock control is unused if !PMThierry Reding
Protect the fimc_clk_ctrl() function with an #ifdef CONFIG_PM guard to avoid "defined but not used" warnings. Signed-off-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: Suspend/resume is unused if !PMThierry Reding
Protect the suspend and resume callbacks with an #ifdef CONFIG_PM_SLEEP guard to avoid "defined but not used" warnings. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: create a fake mmap offset with gem creationJoonyoung Shim
Don't create a fake mmap offset in exynos_drm_gem_dumb_map_offset. If not, it will call drm_gem_create_mmap_offset whenever user requests DRM_IOCTL_MODE_MAP_DUMB ioctl. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: remove call to drm_gem_free_mmap_offset()Joonyoung Shim
The drm_gem_object_release() function already performs this cleanup, so there is no reason to do it explicitly. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: Remove useless EXPORT_SYMBOL_GPLsDaniel Kurtz
All the user of these functions are inside exynos-drm driver and you don't need to export the symbols for that case. Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: cleanup line feed in exynos_drm_gem_get_ioctlJoonyoung Shim
The beginning of statement in function is next line of a brace. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: cleanup function calling written twiceJoonyoung Shim
By if statment, some function callings are written twice. It needs several line feed by indentation in if statment. Make to one function calling from outside if statment. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: staticize exynos_drm_gem_init()Joonyoung Shim
The exynos_drm_gem_init() is used only in exynos_drm_gem.c file. Make it static and don't export it. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: remove unnecessary NULL assignmentJoonyoung Shim
They will be freed right or was freed already, so NULL assignment is unnecessary. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: fix missed calling of drm_prime_gem_destroy()Joonyoung Shim
When obj->import_attach is existed, code calling drm_prime_gem_destroy() was removed from commit 67e93c808b48 ("drm/exynos: stop copying sg table"), and it's a fault. The drm_prime_gem_destroy() is cleanup function which GEM drivers need to call when they use drm_gem_prime_import() to import dma-bufs, so exynos-drm driver using drm_gem_prime_import() needs calling drm_prime_gem_destroy(). Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30drm/exynos: fix layering violation of addressJoonyoung Shim
There is no guarantee that DMA addresses are the same as physical addresses, but dma_to_pfn() knows how to convert a dma_addr_t to a PFN which can then be converted to a struct page. Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-09-30Merge remote-tracking branch 'airlied/drm-next' into drm-intel-nextDaniel Vetter
Backmerge to catch up with 4.3. slightly more involved conflict in the irq code, but nothing beyond adjacent changes. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-09-30Merge tag 'topic/drm-misc-2015-09-25' of ↵Dave Airlie
git://anongit.freedesktop.org/drm-intel into drm-next Another attempt at drm-misc for 4.4 ... - better atomic helpers for runtime pm drivers - atomic fbdev - dp aux i2c STATUS_UPDATE handling (for short i2c replies from the sink) - bunch of constify patches - inital kerneldoc for vga switcheroo - some vblank code cleanups from Ville and Thierry - various polish all over * tag 'topic/drm-misc-2015-09-25' of git://anongit.freedesktop.org/drm-intel: (57 commits) drm/irq: Add drm_crtc_vblank_count_and_time() drm/irq: Rename drm_crtc -> crtc drm: drm_atomic_crtc_get_property should be static drm/gma500: Remove DP_LINK_STATUS_SIZE redefinition vga_switcheroo: Set active attribute to false for audio clients drm/core: Preserve the fb id on close. drm/core: Preserve the framebuffer after removing it. drm: Use vblank timestamps to guesstimate how many vblanks were missed drm: store_vblank() is never called with NULL timestamp drm: Clean up drm_calc_vbltimestamp_from_scanoutpos() vbl_status drm: Limit the number of .get_vblank_counter() retries drm: Pass flags to drm_update_vblank_count() drm/i915: Fix vblank count variable types drm: Kill pixeldur_ns drm: Stop using linedur_ns and pixeldur_ns for vblank timestamps drm: Move timestamping constants into drm_vblank_crtc drm/fbdev: Update legacy plane->fb refcounting for atomic restore drm: fix kernel-doc warnings in drm_crtc.h vga_switcheroo: Sort headers alphabetically drm: Spell vga_switcheroo consistently ...
2015-09-29drm/amdgpu: Restore LCD backlight level on resumeAlex Deucher
Instead of only enabling the backlight (which seems to set it to max brightness), just re-set the current backlight level, which also takes care of enabling the backlight if necessary. Port of radeon commit: drm/radeon: Restore LCD backlight level on resume (>= R5xx) Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2015-09-29drm/i2c: tda998x: clean up after struct tda998x_priv2 removalRussell King
We can now kill a number of glue functions which were sitting between the common tda998x code and the drm encoder/connector methods. This results in slightly cleaner code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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