- 16 Aug, 2015 18 commits
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Andrzej Hajda authored
Driver uses only VSYNC interrupts, so we need to cache VSYNC bit state only. Signed-off-by:
Andrzej Hajda <a.hajda@samsung.com> Reviewed-by:
Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by:
Inki Dae <inki.dae@samsung.com>
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Andrzej Hajda authored
The driver uses bool protected by mutex to track power state. The patch replaces this combo with single bit and atomic bitops. Signed-off-by:
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Joonyoung Shim authored
Already drm_iommu_attach_device and drm_iommu_detach_device check whether support iommu internally, so we don't have to call is_drm_iommu_supported before call them. Signed-off-by:
Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by:
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Joonyoung Shim authored
If CONFIG_ARM_DMA_USE_IOMMU is disable, CONFIG_DRM_EXYNOS_IOMMU also is disable. When CONFIG_DRM_EXYNOS_IOMMU is disable, is_drm_iommu_supported() returns always false, so we can remove to use ifdef CONFIG_ARM_DMA_USE_IOMMU in is_drm_iommu_supported(). Signed-off-by:
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Hyungwon Hwang authored
The unique results of all the combination of rotation and flip can be represented by just 8 states. This patch handles all the combination correctly. Signed-off-by:
Hyungwon Hwang <human.hwang@samsung.com> Signed-off-by:
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Andrzej Hajda authored
The patch removes intermediate struct for HDMIv14 register configuration, instead registry values are calculated on the fly. Signed-off-by:
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Andrzej Hajda authored
The patch removes intermediate struct for HDMIv13 register configuration, instead registry values are calculated on the fly. Signed-off-by:
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Andrzej Hajda authored
The patch removes redundant fields from hdmi_conf_regs. Their values can be calculated from current_mode. This patch is the first step to remove whole hdmi_conf_regs structure. Signed-off-by:
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Andrzej Hajda authored
The patch replaces duplicated driver data fields in private context with pointer to driver data. It also simplifies driver data lookup code. Signed-off-by:
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Andrzej Hajda authored
Most of the code is called by drm core framework, so it is already synchronized. The only async function is irq routine which only calls drm framework so it does not need to be synchronized. Signed-off-by:
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Andrzej Hajda authored
GPIO is tested only in hdmi_detect, so there is no reason to set it in other places and to preserve its value in context. Signed-off-by:
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Andrzej Hajda authored
s5p_hdmi_platform_data were used before device tree introduction. As HDMI driver is DT only we can drop this struct completely. Signed-off-by:
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Marek Szyprowski authored
Once pm_runtime_set_active() gets called, the kernel assumes that given device has already enabled runtime pm and will call pm_runtime_suspend() without matching pm_runtime_resume(). In case of DRM FIMC IPP driver, this will result in calling clk_disable() without respective call to clk_enable(). This patch removes call to pm_runtime_set_active() to ensure that pm_runtime_suspend/resume calls will match. Signed-off-by:
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Andrzej Hajda authored
INT_EN cache field was updated only by mixer_enable_vblank. The patch adds update also by mixer_disable_vblank function. Signed-off-by:
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Andrzej Hajda authored
Specification advises to clear vsync indicator before configuring vsync. Signed-off-by:
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Andrzej Hajda authored
The driver used incorrect flags to clear interrupt status. The patch fixes it. Signed-off-by:
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Andrzej Hajda authored
edid returned by drm_get_edid should be freed. The patch fixes it. Signed-off-by:
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Hyungwon Hwang authored
The bits for rotation are not used as exclusively. So GSC_IN_ROT_270 can not be used for swap detection. The definition of it is same with GSC_IN_ROT_MASK. It is enough to check GSC_IN_ROT_90 bit is set or not to check whether width / height size swapping is needed. Signed-off-by:
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- 14 Aug, 2015 3 commits
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Dave Airlie authored
Merge tag 'drm-amdkfd-next-fixes-2015-08-05' of git://people.freedesktop.org/~gabbayo/linux into drm-next Two small bug fixes for the code you pulled for 4.3: - Used a SHIFT define instead of a MASK define to check if a bit is turned on when destroying hqd. Luckily, this is in gfx7 interface file with amdgpu, which was used only for bring-up purposes of amdgpu, so no real effect on a running system - Used a logical AND instead of a bitwise AND operator, when initializing sdma virtual memory when using SDMA queues * tag 'drm-amdkfd-next-fixes-2015-08-05' of git://people.freedesktop.org/~gabbayo/linux: drm/amdkfd: fix bug when initializing sdma vm drm/amdgpu: fix bug when amdkfd destroys hqd
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Dave Airlie authored
Merge branch 'drm-sti-next-atomic-2015-08-11' of http://git.linaro.org/people/benjamin.gaignard/kernel into drm-next This serie of patches fix minor bugs around how driver sub-components are bind and planes z-ordering. The main part is about atomic support: using more atomic helpers allow us to simplify the code (~300 lines removed) and to ahve a better match between drm concepts (planes and crtc) and hardware split. [airlied: fixed up conflict in atomic code] * 'drm-sti-next-atomic-2015-08-11' of http://git.linaro.org/people/benjamin.gaignard/kernel: drm/sti: atomic crtc/plane update drm/sti: rename files and functions drm/sti: code clean up drm/sti: fix dynamic z-ordering drm: sti: fix sub-components bind
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git://anongit.freedesktop.org/drm-intelDave Airlie authored
Final drm-misc pull for 4.3: - fbdev emulation Kconfig option for everyone thanks to Archit. It's not everything yet bit this is fairly tricky since it spawns all drivers. - vgaarb & vgaswitcheroo polish from Thierry - some drm_irq.c cleanups (Thierry) - struct_mutex crusade from me - more fbdev panic handling removal - various things all over in drm core&helpers * tag 'topic/drm-misc-2015-08-13' of git://anongit.freedesktop.org/drm-intel: (65 commits) drm/atomic: Use KMS VBLANK API drm/irq: Document return values more consistently drm/irq: Make pipe unsigned and name consistent drm/irq: Check for valid VBLANK before dereference drm/irq: Remove negative CRTC index special-case drm/plane: Remove redundant extern drm/plane: Use consistent data types for format count vga_switcheroo: Remove unnecessary checks vga_switcheroo: Wrap overly long lines vga_switcheroo: Use pr_fmt() vga_switcheroo: Cleanup header comment vga_switcheroo: Use pr_*() instead of printk() vgaarb: Fix a few checkpatch errors and warnings vgaarb: Use vgaarb: prefix consistently in messages vgaarb: Stop complaining about absent devices drm/atomic: fix null pointer access to mode_fixup callback drm/i915: Use CONFIG_DRM_FBDEV_EMULATION drm/core: Set mode to NULL when connectors in a set drops to 0. drm/atomic: Call ww_acquire_done after check phase is complete drm/atomic: Paper over locking WARN in default_state_clear ...
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- 12 Aug, 2015 15 commits
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Thierry Reding authored
Instead of using the legacy VBLANK API, use the new KMS API. This is part of an effort to convert all existing users so that the KMS API can be changed to properly use per-CRTC data. Signed-off-by:
Thierry Reding <treding@nvidia.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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Thierry Reding authored
Some of the functions are documented inconsistently. Add Returns: sections where missing and use consistent style to describe the return value. Signed-off-by:
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Thierry Reding authored
Name all references to the pipe number (CRTC index) consistently to make it easier to distinguish which is a pipe number and which is a pointer to struct drm_crtc. While at it also make all references to the pipe number unsigned because there is no longer any reason why it should ever be negative. Signed-off-by:
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Thierry Reding authored
When accessing the array of per-CRTC VBLANK structures we must always check that the index into the array is valid before dereferencing to avoid crashing. Signed-off-by:
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Thierry Reding authored
The drm_send_vblank_event() function treats negative CRTC indices as meaning that a driver doesn't have proper VBLANK handling. This is the only place where DRM needs negative CRTC indices, so in order to enable subsequent cleanup, remove this special case and replace it by the more obvious check for whether or not VBLANK support was initialized. Signed-off-by:
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Thierry Reding authored
Use of the extern keyword for function prototypes is unnecessary, so it can be removed. Signed-off-by:
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Thierry Reding authored
Rather than a mix of the the sized uint32_t and signed integer, use an unsized unsigned int to specify the format count. Signed-off-by:
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Thierry Reding authored
debugfs_remove() gracefully ignores NULL parameters, so the explicit checks can be removed. Signed-off-by:
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Thierry Reding authored
Wrap overly long lines to make checkpatch happy. While at it, also add blank lines after declarations to eliminate additional problems flagged by checkpatch. Signed-off-by:
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Thierry Reding authored
Use pr_fmt() to define the "vga_switcheroo: " prefix that is prepended to all output messages emitted by pr_*() functions. This allows making existing strings much shorter and eliminates a bunch of warnings from checkpatch about lines being overly long. Signed-off-by:
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Thierry Reding authored
The header comment uses a weird combination of formatting styles. Make it consistent. Signed-off-by:
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Thierry Reding authored
This silences a bunch of checkpatch warnings and makes the code shorter. Signed-off-by:
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Thierry Reding authored
Wrap overly long lines (offending lines were mostly comments, so trivial to fix up) and a number of other coding style issues pointed out by the checkpatch tool. Signed-off-by:
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Thierry Reding authored
Define the pr_fmt() macro to causes all messages emitted by pr_*() functions to be prefixed with "vgaarb: ". Signed-off-by:
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Thierry Reding authored
Some setups do not register a default VGA device, in which case the VGA arbiter will still complain about the (non-existent) PCI device being a non-VGA device. Fix this by making the error message conditional on a default VGA device having been set up. Note that the easy route of erroring out early isn't going to work because otherwise priv->target won't be properly updated. Signed-off-by:
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- 11 Aug, 2015 4 commits
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Inki Dae authored
This patch fixes null pointer access incurred when encoder driver didn't set its own mode_fixup callback. mode_fixup callback shoudn't be called if the callback of drm_encoder_helper_funcs is NULL. Changelog v2: - change it to else if Signed-off-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by:
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Daniel Vetter authored
Instead of our own duplicated one. This fixes a bug in the driver unload code if DRM_FBDEV_EMULATION=n but DRM_I915_FBDEV=y because we try to unregister the nonexistent fbdev drm_framebuffer. Cc: Archit Taneja <architt@codeaurora.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reported-by:
Daniel Vetter <daniel.vetter@intel.com> Reviewed-by:
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Maarten Lankhorst authored
Without this when a MST connector is removed drm_atomic_helper_set_config can complain about set->mode && !set->num_connectors. ------------[ cut here ]------------ WARNING: CPU: 2 PID: 2403 at drivers/gpu/drm/drm_atomic_helper.c:1673 drm_atomic_helper_set_config+0x22e/0x420() CPU: 2 PID: 2403 Comm: kms_flip Not tainted 4.2.0-rc5 #4233 Hardware name: NUC5i7RYB, BIOS RYBDWi35.86A.0246.2015.0309.1355 03/09/2015 ffffffff81ac75e8 ffff88004e4ffbf8 ffffffff81714c34 0000000080000000 0000000000000000 ffff88004e4ffc38 ffffffff8107bf81 ffff88004e4ffc48 ffff8800d8ca0690 ffff8800d8d7a080 ffff8800d8cc2290 ffff8800d07bc9f0 Call Trace: [<ffffffff81714c34>] dump_stack+0x4f/0x7b [<ffffffff8107bf81>] warn_slowpath_common+0x81/0xc0 [<ffffffff8107c065>] warn_slowpath_null+0x15/0x20 [<ffffffff813d9e3e>] drm_atomic_helper_set_config+0x22e/0x420 [<ffffffff813da174>] ? drm_atomic_helper_plane_set_property+0x84/0xc0 [<ffffffff813ee101>] drm_mode_set_config_internal+0x61/0x100 [<ffffffff813dc4ed>] restore_fbdev_mode+0xbd/0xe0 [<ffffffff813de1e4>] drm_fb_helper_restore_fbdev_mode_unlocked+0x24/0x70 [<ffffffffc0123d11>] intel_fbdev_restore_mode+0x21/0x80 [i915] [<ffffffffc014bf69>] i915_driver_lastclose+0x9/0x10 [i915] [<ffffffff813e2429>] drm_lastclose+0x29/0x130 [<ffffffff813e2844>] drm_release+0x314/0x500 [<ffffffff81194795>] __fput+0xe5/0x1f0 [<ffffffff811948d9>] ____fput+0x9/0x10 [<ffffffff810968d8>] task_work_run+0x88/0xb0 [<ffffffff8107d53f>] do_exit+0x37f/0xa90 [<ffffffff8127e258>] ? selinux_file_ioctl+0x48/0xc0 [<ffffffff81277dfe>] ? security_file_ioctl+0x3e/0x60 [<ffffffff8107ec80>] do_group_exit+0x40/0xa0 [<ffffffff8107ecef>] SyS_exit_group+0xf/0x10 [<ffffffff8171bdd7>] entry_SYSCALL_64_fastpath+0x12/0x6a ---[ end trace 0daf358c49351567 ]--- Signed-off-by:
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Daniel Vetter authored
We want to make sure that no one tries to acquire more locks and states, and ww mutexes provide debug facilities for that. So use them. v2: Only call acquire_done when ->atomic_check was successful to avoid falling over an -EDEADLK (spotted by Maarten). Cc: Rob Clark <robdclark@gmail.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by:
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