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2015-08-16drm/exynos: remove exynos_drm_create_enc_conn()Gustavo Padovan
This functions was just hiding the encoder and connector creation in a way that was less clean than if we get rid of it. For example, exynos_encoder ops had .create_connector() defined only because we were handing off the encoder and connector creation to exynos_drm_create_enc_conn(). Without this function we can directly call the create_connector function internally in the code, without the need of any vtable access. It also does some refactoring in the code like creating a bind function for dpi devices. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove exynos_encoder's .commit() opGustavo Padovan
.commit() is not used anymore, Exynos encoders now follow the .enable()/.disable() semantics from drm atomic core, so remove this callback. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove extra call to exynos_dp_commit()Gustavo Padovan
exynos_dp_commit() was getting called twice by exynos encoder core, once inside the .enable() call and another time by .commit() itself. The remove of the second call caused the wake of a bug, the operations orders inside exynos_dp_commit was wrong and we had to move exynos_dp_start_video() to be the last operation in there. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove extra call to hdmi_commit()Gustavo Padovan
hdmi_commit() was getting called twice by exynos encoder core, once inside the .enable() call and another time by .commit() itself. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove struct exynos_drm_displayGustavo Padovan
This struct was just representing encoder information, it was a member of struct exynos_drm_encoder, so any code trying to access encoder data would have to go through the encoder struct, get the display struct and then get the data it want. During this patchset we also realized that the only data exynos_drm_encoder needs to store is the drm_encoder parent and the exynos_drm_encoder_ops. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: simplify calculation of possible CRTCsGustavo Padovan
All CRTCs can only be LCD, HDMI or VIDI, so basically all CRTCs will be a possible CRTCs. This patch removes an extra function with switch that was only checking if the CRTC type was one of those three above. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove unused .remove() and .check_mode() ops from displayGustavo Padovan
These two display_ops are not used anywhere, remove them. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove wrappers for phy_power_{on,off}Gustavo Padovan
phy_power_on() and phy_power_off() already checks for NULL pointer. This patch removes the wrappers exynos_dp_phy_init() and exynos_dp_phy_exit() since the only think they were doing was a check for NULL phy. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: split display's .dpms() into .enable() and .disable()Gustavo Padovan
The DRM Core doesn't have a dpms() operation anymore, everything now is enable() or disable(). Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: return return value of exynos_crtc->enable_vblankGustavo Padovan
Instead of blindly ignore the return value of enable_vblank return it to the upper DRM layer for error handling. Suggested-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: unify exynos_drm_plane names with drm coreGustavo Padovan
Rename crtc_{widht,height} to crtc_{w,h} and src_{width,height} to src_{w,h} to make it similar to the atomic state names. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove unused fields from struct exynos_drm_planeGustavo Padovan
Now after the move to use drm_plane_state directly struct drm_plane_state has many unused fields, along with others that weren't used before the plane state change. Thus remove them all. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: use drm atomic state directlyGustavo Padovan
For some fields the use of struct exynos_drm_plane filled with data from the plane state just creates a source of duplicated information and overhead. Here we change the crtc drivers to access the plane state directly simplifying the code by not relying on a exynos internal struct. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: pass struct exynos_drm_plane in update/enableGustavo Padovan
We already have the plane pointer in before calling .update_plane() or disable_plane() so pass it directly to those calls avoiding a new conversion from zpos to struct exynos_drm_plane. v2: don't remove check for suspended in FIMD (comment by Joonyoung) Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: rename win_commit/disable to atomic-like namesGustavo Padovan
Rename win_commit() helper to update_plane() and win_disable() to disable_plane(). Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove duplicated check for suspendGustavo Padovan
The same check is placed twice in fimd/decon_update_plane(), remove one of them. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: use KMS version of DRM vblanks functionsGustavo Padovan
Get rid of legacy DRM vblank function that are less clear to use. The new ones basically requires only the crtc as parameters. It also clean ups exynos_drm_crtc_finish_pageflip() parameters as a consequence. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: pass the correct pipe numberGustavo Padovan
Instead of giving -1 to as arg to drm_send_vblank_event() pass the correct pipe number to it. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: clear channels only when iommu is enabledJoonyoung Shim
This is simplest solution about reported problem[1]. It's no problem to clear channel only when iommu is enabled, if we consider that we cannot recognize iommu errors when iommu is disabled and it have been valid until now. But this cannot be nice solution. [1] https://lkml.org/lkml/2015/7/21/404 Reported-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove drm_iommu_attach_device_if_possibleJoonyoung Shim
Already drm_iommu_attach_device checks whether support iommu internally. It should clear channels always regardless iommu support. We didn't know because we can detect the problem when iommu is enabled, so we don't have to use drm_iommu_attach_device_if_possible and then we can remove drm_iommu_attach_device_if_possible and clear_channels function pointer. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: move order to register vidi kms driverJoonyoung Shim
The vidi is virtual kms driver and now it is registered earlier than actual hw kms drivers, so it will occupy crtc index 0. Some users assume the condition yet that actual hw kms driver has crtc index 0. It may or may not be matter but let's arrange register order. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos/mixer: replace MXR_INT_EN register cache with flagAndrzej Hajda
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>
2015-08-16drm/exynos/mixer: simplify poweron flagAndrzej Hajda
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: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove unnecessary checking to support iommuJoonyoung Shim
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: Joonyoung Shim <jy0922.shim@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: remove to use ifdef CONFIG_ARM_DMA_USE_IOMMUJoonyoung Shim
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: Joonyoung Shim <jy0922.shim@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos: gsc: Handles the combination of rotation and flipHyungwon Hwang
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: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos/hdmi: remove hdmi_v14_conf structAndrzej Hajda
The patch removes intermediate struct for HDMIv14 register configuration, instead registry values are calculated on the fly. 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>
2015-08-16drm/exynos/hdmi: remove hdmi_v13_conf structAndrzej Hajda
The patch removes intermediate struct for HDMIv13 register configuration, instead registry values are calculated on the fly. 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>
2015-08-16drm/exynos/hdmi: remove redundant configuration fieldsAndrzej Hajda
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: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos/hdmi: add driver data pointer to private contextAndrzej Hajda
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: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos/hdmi: remove private lock codeAndrzej Hajda
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: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos/hdmi: Simplify HPD gpio handlingAndrzej Hajda
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: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos/hdmi: remove old platform data codeAndrzej Hajda
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: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos/fimc: fix runtime pm supportMarek Szyprowski
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: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-16drm/exynos/mixer: always update INT_EN cacheAndrzej Hajda
INT_EN cache field was updated only by mixer_enable_vblank. The patch adds update also by mixer_disable_vblank function. 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>
2015-08-16drm/exynos/mixer: correct vsync configuration sequenceAndrzej Hajda
Specification advises to clear vsync indicator before configuring vsync. 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>
2015-08-16drm/exynos/mixer: fix interrupt clearingAndrzej Hajda
The driver used incorrect flags to clear interrupt status. The patch fixes it. 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>
2015-08-16drm/exynos/hdmi: fix edid memory leakAndrzej Hajda
edid returned by drm_get_edid should be freed. The patch fixes it. 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>
2015-08-16drm/exynos: gsc: fix wrong bitwise operation for swap detectionHyungwon Hwang
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: Hyungwon Hwang <human.hwang@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2015-08-15drm/msm/dsi: Introduce DSI configuration moduleHai Li
With more platforms supported, the DSI host configuration array keeps expanding. This change moves those to a separate dsi_cfg module. Signed-off-by: Hai Li <hali@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/dsi: Make each PHY type compilation independentHai Li
On a certain platform, only one type of DSI PHY is used. This change allows the user to only compile the PHY type which is being used. Signed-off-by: Hai Li <hali@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/dsi: Split PHY drivers to separate filesHai Li
This change moves each PHY type specific code into separate files. Signed-off-by: Hai Li <hali@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/dsi: Return void from msm_dsi_phy_disable()Hai Li
We are not checking the return value from msm_dsi_phy_disable(). Change the return type to void. Signed-off-by: Hai Li <hali@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/dsi: Specify bitmask to set source PLLHai Li
The bit position to configure source PLL will change on new types of PHYs. The caller should pass down this information. Signed-off-by: Hai Li <hali@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/mdp: Clear pending interrupt status before enable interruptjilai wang
Pending interrupt status needs to be cleared before enable the interrupt. Otherwise it's possible to get a pending interrupt instead of an incoming interrupt. Signed-off-by: Jilai Wang <jilaiw@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/mdp5: Add rotation (hflip/vflip) support to MDP5 planes (v2)jilai wang
MDP5 SSPPs can flip the input source horizontally or vertically. This change is to add this support to MDP5 planes. v1: Initial change v2: Use existing "rotation" property instead of creating msm specific properties. In order to be compatiable with legacy non-atomic set_property, switch to drm_atomic_helper_plane_set_property helper function. Signed-off-by: Jilai Wang <jilaiw@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm: add calls to prepare and unprepare panelSrinivas Kandagatla
Prepare the panel before it's enabled and un-prepare after disable, this will make sure that the regulators are switched on and off correctly. Tested it on APQ8064 based IFC6410 with panel. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/dsi: Modify dsi manager bridge ops to work with external bridgesArchit Taneja
The dsi bridge ops call drm_panel functions to set up the connected drm_panel. Add checks to make sure these aren't called when we're connected to an external bridge. Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/dsi: Allow dsi to connect to an external bridgeArchit Taneja
There are platforms where the DSI output can be connected to another encoder bridge chip (DSI to HDMI, DSI to LVDS etc). Add support for external bridge support to the dsi driver. We assume that the external bridge chip would be of the type drm_bridge. The dsi driver's internal drm_bridge (msm_dsi->bridge) is linked to the external bridge's drm_bridge struct. In the case we're connected to an external bridge, we don't need to create and manage a connector within our driver, it's the bridge driver's responsibility to create one. v2: - Move the external bridge attaching stuff to dsi manager to make things cleaner. - Force the bridge to connect to a video mode encoder for now (the dsi mode flags may have not been populated by modeset_init) Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
2015-08-15drm/msm/dsi: Create a helper to check if there is a connected deviceArchit Taneja
Create a helper msm_dsi_device_connected() which checks whether we have a device connected to the dsi host or not. This check gets messy when we have support external bridges too. Having an inline function makes it more legible. For now, the check only consists of msm_dsi->panel being non-NULL. Later, this will check if we have an external bridge or not. This helper isn't used in dsi_connector related code as that's specific to only when a drm_panel is connected. Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
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