forked from Minki/linux
4ff696eafa
This was a hold-over from the pre-atomic days and legacy userspace that only understood CRTCs. Fortunately we don't have any properties, so this doesn't change anything. But before we start growing some plane properties, we should fix this. Signed-off-by: Rob Clark <robdclark@gmail.com>
268 lines
7.2 KiB
C
268 lines
7.2 KiB
C
/*
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* Copyright (C) 2013 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MDP5_KMS_H__
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#define __MDP5_KMS_H__
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#include "msm_drv.h"
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#include "msm_kms.h"
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#include "mdp/mdp_kms.h"
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#include "mdp5_cfg.h" /* must be included before mdp5.xml.h */
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#include "mdp5.xml.h"
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#include "mdp5_ctl.h"
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#include "mdp5_smp.h"
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struct mdp5_kms {
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struct mdp_kms base;
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struct drm_device *dev;
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struct mdp5_cfg_handler *cfg;
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/* mapper-id used to request GEM buffer mapped for scanout: */
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int id;
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struct msm_mmu *mmu;
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struct mdp5_smp *smp;
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struct mdp5_ctl_manager *ctlm;
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/* io/register spaces: */
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void __iomem *mmio, *vbif;
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struct regulator *vdd;
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struct clk *axi_clk;
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struct clk *ahb_clk;
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struct clk *src_clk;
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struct clk *core_clk;
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struct clk *lut_clk;
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struct clk *vsync_clk;
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/*
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* lock to protect access to global resources: ie., following register:
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* - REG_MDP5_MDP_DISP_INTF_SEL
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*/
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spinlock_t resource_lock;
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struct mdp_irq error_handler;
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struct {
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volatile unsigned long enabled_mask;
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struct irq_domain *domain;
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} irqcontroller;
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};
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#define to_mdp5_kms(x) container_of(x, struct mdp5_kms, base)
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struct mdp5_plane_state {
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struct drm_plane_state base;
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/* "virtual" zpos.. we calculate actual mixer-stage at runtime
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* by sorting the attached planes by zpos and then assigning
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* mixer stage lowest to highest. Private planes get default
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* zpos of zero, and public planes a unique value that is
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* greater than zero. This way, things work out if a naive
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* userspace assigns planes to a crtc without setting zpos.
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*/
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int zpos;
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/* the actual mixer stage, calculated in crtc->atomic_check()
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* NOTE: this should move to mdp5_crtc_state, when that exists
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*/
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enum mdp_mixer_stage_id stage;
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/* some additional transactional status to help us know in the
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* apply path whether we need to update SMP allocation, and
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* whether current update is still pending:
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*/
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bool mode_changed : 1;
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bool pending : 1;
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};
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#define to_mdp5_plane_state(x) \
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container_of(x, struct mdp5_plane_state, base)
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enum mdp5_intf_mode {
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MDP5_INTF_MODE_NONE = 0,
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/* Modes used for DSI interface (INTF_DSI type): */
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MDP5_INTF_DSI_MODE_VIDEO,
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MDP5_INTF_DSI_MODE_COMMAND,
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/* Modes used for WB interface (INTF_WB type): */
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MDP5_INTF_WB_MODE_BLOCK,
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MDP5_INTF_WB_MODE_LINE,
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};
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struct mdp5_interface {
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int num; /* display interface number */
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enum mdp5_intf_type type;
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enum mdp5_intf_mode mode;
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};
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static inline void mdp5_write(struct mdp5_kms *mdp5_kms, u32 reg, u32 data)
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{
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msm_writel(data, mdp5_kms->mmio + reg);
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}
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static inline u32 mdp5_read(struct mdp5_kms *mdp5_kms, u32 reg)
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{
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return msm_readl(mdp5_kms->mmio + reg);
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}
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static inline const char *pipe2name(enum mdp5_pipe pipe)
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{
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static const char *names[] = {
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#define NAME(n) [SSPP_ ## n] = #n
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NAME(VIG0), NAME(VIG1), NAME(VIG2),
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NAME(RGB0), NAME(RGB1), NAME(RGB2),
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NAME(DMA0), NAME(DMA1),
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NAME(VIG3), NAME(RGB3),
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#undef NAME
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};
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return names[pipe];
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}
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static inline int pipe2nclients(enum mdp5_pipe pipe)
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{
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switch (pipe) {
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case SSPP_RGB0:
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case SSPP_RGB1:
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case SSPP_RGB2:
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case SSPP_RGB3:
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return 1;
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default:
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return 3;
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}
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}
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static inline uint32_t intf2err(int intf_num)
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{
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switch (intf_num) {
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case 0: return MDP5_IRQ_INTF0_UNDER_RUN;
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case 1: return MDP5_IRQ_INTF1_UNDER_RUN;
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case 2: return MDP5_IRQ_INTF2_UNDER_RUN;
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case 3: return MDP5_IRQ_INTF3_UNDER_RUN;
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default: return 0;
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}
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}
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#define GET_PING_PONG_ID(layer_mixer) ((layer_mixer == 5) ? 3 : layer_mixer)
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static inline uint32_t intf2vblank(int lm, struct mdp5_interface *intf)
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{
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/*
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* In case of DSI Command Mode, the Ping Pong's read pointer IRQ
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* acts as a Vblank signal. The Ping Pong buffer used is bound to
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* layer mixer.
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*/
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if ((intf->type == INTF_DSI) &&
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(intf->mode == MDP5_INTF_DSI_MODE_COMMAND))
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return MDP5_IRQ_PING_PONG_0_RD_PTR << GET_PING_PONG_ID(lm);
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if (intf->type == INTF_WB)
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return MDP5_IRQ_WB_2_DONE;
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switch (intf->num) {
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case 0: return MDP5_IRQ_INTF0_VSYNC;
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case 1: return MDP5_IRQ_INTF1_VSYNC;
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case 2: return MDP5_IRQ_INTF2_VSYNC;
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case 3: return MDP5_IRQ_INTF3_VSYNC;
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default: return 0;
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}
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}
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static inline uint32_t lm2ppdone(int lm)
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{
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return MDP5_IRQ_PING_PONG_0_DONE << GET_PING_PONG_ID(lm);
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}
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int mdp5_disable(struct mdp5_kms *mdp5_kms);
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int mdp5_enable(struct mdp5_kms *mdp5_kms);
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void mdp5_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask);
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void mdp5_irq_preinstall(struct msm_kms *kms);
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int mdp5_irq_postinstall(struct msm_kms *kms);
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void mdp5_irq_uninstall(struct msm_kms *kms);
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irqreturn_t mdp5_irq(struct msm_kms *kms);
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int mdp5_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc);
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void mdp5_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc);
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int mdp5_irq_domain_init(struct mdp5_kms *mdp5_kms);
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void mdp5_irq_domain_fini(struct mdp5_kms *mdp5_kms);
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static inline bool pipe_supports_yuv(enum mdp5_pipe pipe)
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{
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switch (pipe) {
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case SSPP_VIG0:
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case SSPP_VIG1:
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case SSPP_VIG2:
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case SSPP_VIG3:
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return true;
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default:
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return false;
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}
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}
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static inline
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uint32_t mdp5_get_formats(enum mdp5_pipe pipe, uint32_t *pixel_formats,
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uint32_t max_formats)
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{
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return mdp_get_formats(pixel_formats, max_formats,
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!pipe_supports_yuv(pipe));
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}
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uint32_t mdp5_plane_get_flush(struct drm_plane *plane);
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void mdp5_plane_complete_flip(struct drm_plane *plane);
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void mdp5_plane_complete_commit(struct drm_plane *plane,
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struct drm_plane_state *state);
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enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane);
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struct drm_plane *mdp5_plane_init(struct drm_device *dev,
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enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset);
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uint32_t mdp5_crtc_vblank(struct drm_crtc *crtc);
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int mdp5_crtc_get_lm(struct drm_crtc *crtc);
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struct mdp5_ctl *mdp5_crtc_get_ctl(struct drm_crtc *crtc);
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void mdp5_crtc_cancel_pending_flip(struct drm_crtc *crtc, struct drm_file *file);
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void mdp5_crtc_set_intf(struct drm_crtc *crtc, struct mdp5_interface *intf);
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void mdp5_crtc_wait_for_commit_done(struct drm_crtc *crtc);
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struct drm_crtc *mdp5_crtc_init(struct drm_device *dev,
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struct drm_plane *plane, int id);
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struct drm_encoder *mdp5_encoder_init(struct drm_device *dev,
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struct mdp5_interface *intf);
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int mdp5_encoder_set_split_display(struct drm_encoder *encoder,
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struct drm_encoder *slave_encoder);
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#ifdef CONFIG_DRM_MSM_DSI
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struct drm_encoder *mdp5_cmd_encoder_init(struct drm_device *dev,
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struct mdp5_interface *intf);
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int mdp5_cmd_encoder_set_split_display(struct drm_encoder *encoder,
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struct drm_encoder *slave_encoder);
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#else
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static inline struct drm_encoder *mdp5_cmd_encoder_init(
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struct drm_device *dev, struct mdp5_interface *intf)
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{
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return ERR_PTR(-EINVAL);
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}
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static inline int mdp5_cmd_encoder_set_split_display(
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struct drm_encoder *encoder, struct drm_encoder *slave_encoder)
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{
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return -EINVAL;
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}
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#endif
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#endif /* __MDP5_KMS_H__ */
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