diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_crtc.c')
-rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 92 |
1 files changed, 28 insertions, 64 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 03dd7018dde8..7784a3ba7854 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -30,21 +30,21 @@ static u32 rcar_du_crtc_read(struct rcar_du_crtc *rcrtc, u32 reg) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; return rcar_du_read(rcdu, rcrtc->mmio_offset + reg); } static void rcar_du_crtc_write(struct rcar_du_crtc *rcrtc, u32 reg, u32 data) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, data); } static void rcar_du_crtc_clr(struct rcar_du_crtc *rcrtc, u32 reg, u32 clr) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, rcar_du_read(rcdu, rcrtc->mmio_offset + reg) & ~clr); @@ -52,7 +52,7 @@ static void rcar_du_crtc_clr(struct rcar_du_crtc *rcrtc, u32 reg, u32 clr) static void rcar_du_crtc_set(struct rcar_du_crtc *rcrtc, u32 reg, u32 set) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; rcar_du_write(rcdu, rcrtc->mmio_offset + reg, rcar_du_read(rcdu, rcrtc->mmio_offset + reg) | set); @@ -61,7 +61,7 @@ static void rcar_du_crtc_set(struct rcar_du_crtc *rcrtc, u32 reg, u32 set) static void rcar_du_crtc_clr_set(struct rcar_du_crtc *rcrtc, u32 reg, u32 clr, u32 set) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; u32 value = rcar_du_read(rcdu, rcrtc->mmio_offset + reg); rcar_du_write(rcdu, rcrtc->mmio_offset + reg, (value & ~clr) | set); @@ -69,14 +69,13 @@ static void rcar_du_crtc_clr_set(struct rcar_du_crtc *rcrtc, u32 reg, static int rcar_du_crtc_get(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; int ret; ret = clk_prepare_enable(rcrtc->clock); if (ret < 0) return ret; - ret = rcar_du_get(rcdu); + ret = rcar_du_group_get(rcrtc->group); if (ret < 0) clk_disable_unprepare(rcrtc->clock); @@ -85,17 +84,14 @@ static int rcar_du_crtc_get(struct rcar_du_crtc *rcrtc) static void rcar_du_crtc_put(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; - - rcar_du_put(rcdu); + rcar_du_group_put(rcrtc->group); clk_disable_unprepare(rcrtc->clock); } static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) { - struct drm_crtc *crtc = &rcrtc->crtc; - struct rcar_du_device *rcdu = crtc->dev->dev_private; - const struct drm_display_mode *mode = &crtc->mode; + const struct drm_display_mode *mode = &rcrtc->crtc.mode; + struct rcar_du_device *rcdu = rcrtc->group->dev; unsigned long clk; u32 value; u32 div; @@ -136,7 +132,7 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc) static void rcar_du_crtc_set_routing(struct rcar_du_crtc *rcrtc) { - struct rcar_du_device *rcdu = rcrtc->crtc.dev->dev_private; + struct rcar_du_device *rcdu = rcrtc->group->dev; u32 dorcr = rcar_du_read(rcdu, DORCR); dorcr &= ~(DORCR_PG2T | DORCR_DK2S | DORCR_PG2D_MASK); @@ -153,36 +149,6 @@ static void rcar_du_crtc_set_routing(struct rcar_du_crtc *rcrtc) rcar_du_write(rcdu, DORCR, dorcr); } -static void __rcar_du_start_stop(struct rcar_du_device *rcdu, bool start) -{ - rcar_du_write(rcdu, DSYSR, - (rcar_du_read(rcdu, DSYSR) & ~(DSYSR_DRES | DSYSR_DEN)) | - (start ? DSYSR_DEN : DSYSR_DRES)); -} - -static void rcar_du_start_stop(struct rcar_du_device *rcdu, bool start) -{ - /* Many of the configuration bits are only updated when the display - * reset (DRES) bit in DSYSR is set to 1, disabling *both* CRTCs. Some - * of those bits could be pre-configured, but others (especially the - * bits related to plane assignment to display timing controllers) need - * to be modified at runtime. - * - * Restart the display controller if a start is requested. Sorry for the - * flicker. It should be possible to move most of the "DRES-update" bits - * setup to driver initialization time and minimize the number of cases - * when the display controller will have to be restarted. - */ - if (start) { - if (rcdu->used_crtcs++ != 0) - __rcar_du_start_stop(rcdu, false); - __rcar_du_start_stop(rcdu, true); - } else { - if (--rcdu->used_crtcs == 0) - __rcar_du_start_stop(rcdu, false); - } -} - void rcar_du_crtc_route_output(struct drm_crtc *crtc, unsigned int output) { struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); @@ -195,8 +161,8 @@ void rcar_du_crtc_route_output(struct drm_crtc *crtc, unsigned int output) void rcar_du_crtc_update_planes(struct drm_crtc *crtc) { - struct rcar_du_device *rcdu = crtc->dev->dev_private; struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); + struct rcar_du_device *rcdu = rcrtc->group->dev; struct rcar_du_plane *planes[RCAR_DU_NUM_HW_PLANES]; unsigned int num_planes = 0; unsigned int prio = 0; @@ -204,8 +170,8 @@ void rcar_du_crtc_update_planes(struct drm_crtc *crtc) u32 dptsr = 0; u32 dspr = 0; - for (i = 0; i < ARRAY_SIZE(rcdu->planes.planes); ++i) { - struct rcar_du_plane *plane = &rcdu->planes.planes[i]; + for (i = 0; i < ARRAY_SIZE(rcrtc->group->planes.planes); ++i) { + struct rcar_du_plane *plane = &rcrtc->group->planes.planes[i]; unsigned int j; if (plane->crtc != &rcrtc->crtc || !plane->enabled) @@ -254,10 +220,8 @@ void rcar_du_crtc_update_planes(struct drm_crtc *crtc) */ if (value != dptsr) { rcar_du_write(rcdu, DPTSR, dptsr); - if (rcdu->used_crtcs) { - __rcar_du_start_stop(rcdu, false); - __rcar_du_start_stop(rcdu, true); - } + if (rcrtc->group->used_crtcs) + rcar_du_group_restart(rcrtc->group); } } @@ -267,7 +231,6 @@ void rcar_du_crtc_update_planes(struct drm_crtc *crtc) static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) { struct drm_crtc *crtc = &rcrtc->crtc; - struct rcar_du_device *rcdu = crtc->dev->dev_private; unsigned int i; if (rcrtc->started) @@ -284,14 +247,14 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) rcar_du_crtc_set_display_timing(rcrtc); rcar_du_crtc_set_routing(rcrtc); - mutex_lock(&rcdu->planes.lock); + mutex_lock(&rcrtc->group->planes.lock); rcrtc->plane->enabled = true; rcar_du_crtc_update_planes(crtc); - mutex_unlock(&rcdu->planes.lock); + mutex_unlock(&rcrtc->group->planes.lock); /* Setup planes. */ - for (i = 0; i < ARRAY_SIZE(rcdu->planes.planes); ++i) { - struct rcar_du_plane *plane = &rcdu->planes.planes[i]; + for (i = 0; i < ARRAY_SIZE(rcrtc->group->planes.planes); ++i) { + struct rcar_du_plane *plane = &rcrtc->group->planes.planes[i]; if (plane->crtc != crtc || !plane->enabled) continue; @@ -305,7 +268,7 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) */ rcar_du_crtc_clr_set(rcrtc, DSYSR, DSYSR_TVM_MASK, DSYSR_TVM_MASTER); - rcar_du_start_stop(rcdu, true); + rcar_du_group_start_stop(rcrtc->group, true); rcrtc->started = true; } @@ -313,22 +276,21 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc) static void rcar_du_crtc_stop(struct rcar_du_crtc *rcrtc) { struct drm_crtc *crtc = &rcrtc->crtc; - struct rcar_du_device *rcdu = crtc->dev->dev_private; if (!rcrtc->started) return; - mutex_lock(&rcdu->planes.lock); + mutex_lock(&rcrtc->group->planes.lock); rcrtc->plane->enabled = false; rcar_du_crtc_update_planes(crtc); - mutex_unlock(&rcdu->planes.lock); + mutex_unlock(&rcrtc->group->planes.lock); /* Select switch sync mode. This stops display operation and configures * the HSYNC and VSYNC signals as inputs. */ rcar_du_crtc_clr_set(rcrtc, DSYSR, DSYSR_TVM_MASK, DSYSR_TVM_SWITCH); - rcar_du_start_stop(rcdu, false); + rcar_du_group_start_stop(rcrtc->group, false); rcrtc->started = false; } @@ -406,8 +368,8 @@ static int rcar_du_crtc_mode_set(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { - struct rcar_du_device *rcdu = crtc->dev->dev_private; struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); + struct rcar_du_device *rcdu = rcrtc->group->dev; const struct rcar_du_format_info *format; int ret; @@ -583,8 +545,9 @@ static const struct drm_crtc_funcs crtc_funcs = { .page_flip = rcar_du_crtc_page_flip, }; -int rcar_du_crtc_create(struct rcar_du_device *rcdu, unsigned int index) +int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index) { + struct rcar_du_device *rcdu = rgrp->dev; struct platform_device *pdev = to_platform_device(rcdu->dev); struct rcar_du_crtc *rcrtc = &rcdu->crtcs[index]; struct drm_crtc *crtc = &rcrtc->crtc; @@ -608,10 +571,11 @@ int rcar_du_crtc_create(struct rcar_du_device *rcdu, unsigned int index) return PTR_ERR(rcrtc->clock); } + rcrtc->group = rgrp; rcrtc->mmio_offset = index ? DISP2_REG_OFFSET : 0; rcrtc->index = index; rcrtc->dpms = DRM_MODE_DPMS_OFF; - rcrtc->plane = &rcdu->planes.planes[index]; + rcrtc->plane = &rgrp->planes.planes[index]; rcrtc->plane->crtc = crtc; |