From c49c81e21ce1a646c1402597d12137c679ac7f71 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Wed, 8 Nov 2017 13:32:05 +0100 Subject: [PATCH] drm/tegra: dc: Reshuffle some code Reshuffle some code so that functions are defined closer to where they are used. Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/dc.c | 152 ++++++++++++++++++------------------- 1 file changed, 76 insertions(+), 76 deletions(-) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 0c77473d6510..271357482401 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -909,82 +909,6 @@ static int tegra_dc_add_planes(struct drm_device *drm, struct tegra_dc *dc) return 0; } -static u32 tegra_dc_get_vblank_counter(struct drm_crtc *crtc) -{ - struct tegra_dc *dc = to_tegra_dc(crtc); - - if (dc->syncpt) - return host1x_syncpt_read(dc->syncpt); - - /* fallback to software emulated VBLANK counter */ - return drm_crtc_vblank_count(&dc->base); -} - -static int tegra_dc_enable_vblank(struct drm_crtc *crtc) -{ - struct tegra_dc *dc = to_tegra_dc(crtc); - unsigned long value, flags; - - spin_lock_irqsave(&dc->lock, flags); - - value = tegra_dc_readl(dc, DC_CMD_INT_MASK); - value |= VBLANK_INT; - tegra_dc_writel(dc, value, DC_CMD_INT_MASK); - - spin_unlock_irqrestore(&dc->lock, flags); - - return 0; -} - -static void tegra_dc_disable_vblank(struct drm_crtc *crtc) -{ - struct tegra_dc *dc = to_tegra_dc(crtc); - unsigned long value, flags; - - spin_lock_irqsave(&dc->lock, flags); - - value = tegra_dc_readl(dc, DC_CMD_INT_MASK); - value &= ~VBLANK_INT; - tegra_dc_writel(dc, value, DC_CMD_INT_MASK); - - spin_unlock_irqrestore(&dc->lock, flags); -} - -static void tegra_dc_finish_page_flip(struct tegra_dc *dc) -{ - struct drm_device *drm = dc->base.dev; - struct drm_crtc *crtc = &dc->base; - unsigned long flags, base; - struct tegra_bo *bo; - - spin_lock_irqsave(&drm->event_lock, flags); - - if (!dc->event) { - spin_unlock_irqrestore(&drm->event_lock, flags); - return; - } - - bo = tegra_fb_get_plane(crtc->primary->fb, 0); - - spin_lock(&dc->lock); - - /* check if new start address has been latched */ - tegra_dc_writel(dc, WINDOW_A_SELECT, DC_CMD_DISPLAY_WINDOW_HEADER); - tegra_dc_writel(dc, READ_MUX, DC_CMD_STATE_ACCESS); - base = tegra_dc_readl(dc, DC_WINBUF_START_ADDR); - tegra_dc_writel(dc, 0, DC_CMD_STATE_ACCESS); - - spin_unlock(&dc->lock); - - if (base == bo->paddr + crtc->primary->fb->offsets[0]) { - drm_crtc_send_vblank_event(crtc, dc->event); - drm_crtc_vblank_put(crtc); - dc->event = NULL; - } - - spin_unlock_irqrestore(&drm->event_lock, flags); -} - static void tegra_dc_destroy(struct drm_crtc *crtc) { drm_crtc_cleanup(crtc); @@ -1035,6 +959,47 @@ static void tegra_crtc_atomic_destroy_state(struct drm_crtc *crtc, kfree(state); } +static u32 tegra_dc_get_vblank_counter(struct drm_crtc *crtc) +{ + struct tegra_dc *dc = to_tegra_dc(crtc); + + if (dc->syncpt) + return host1x_syncpt_read(dc->syncpt); + + /* fallback to software emulated VBLANK counter */ + return drm_crtc_vblank_count(&dc->base); +} + +static int tegra_dc_enable_vblank(struct drm_crtc *crtc) +{ + struct tegra_dc *dc = to_tegra_dc(crtc); + unsigned long value, flags; + + spin_lock_irqsave(&dc->lock, flags); + + value = tegra_dc_readl(dc, DC_CMD_INT_MASK); + value |= VBLANK_INT; + tegra_dc_writel(dc, value, DC_CMD_INT_MASK); + + spin_unlock_irqrestore(&dc->lock, flags); + + return 0; +} + +static void tegra_dc_disable_vblank(struct drm_crtc *crtc) +{ + struct tegra_dc *dc = to_tegra_dc(crtc); + unsigned long value, flags; + + spin_lock_irqsave(&dc->lock, flags); + + value = tegra_dc_readl(dc, DC_CMD_INT_MASK); + value &= ~VBLANK_INT; + tegra_dc_writel(dc, value, DC_CMD_INT_MASK); + + spin_unlock_irqrestore(&dc->lock, flags); +} + static const struct drm_crtc_funcs tegra_crtc_funcs = { .page_flip = drm_atomic_helper_page_flip, .set_config = drm_atomic_helper_set_config, @@ -1342,6 +1307,41 @@ static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = { .atomic_disable = tegra_crtc_atomic_disable, }; +static void tegra_dc_finish_page_flip(struct tegra_dc *dc) +{ + struct drm_device *drm = dc->base.dev; + struct drm_crtc *crtc = &dc->base; + unsigned long flags, base; + struct tegra_bo *bo; + + spin_lock_irqsave(&drm->event_lock, flags); + + if (!dc->event) { + spin_unlock_irqrestore(&drm->event_lock, flags); + return; + } + + bo = tegra_fb_get_plane(crtc->primary->fb, 0); + + spin_lock(&dc->lock); + + /* check if new start address has been latched */ + tegra_dc_writel(dc, WINDOW_A_SELECT, DC_CMD_DISPLAY_WINDOW_HEADER); + tegra_dc_writel(dc, READ_MUX, DC_CMD_STATE_ACCESS); + base = tegra_dc_readl(dc, DC_WINBUF_START_ADDR); + tegra_dc_writel(dc, 0, DC_CMD_STATE_ACCESS); + + spin_unlock(&dc->lock); + + if (base == bo->paddr + crtc->primary->fb->offsets[0]) { + drm_crtc_send_vblank_event(crtc, dc->event); + drm_crtc_vblank_put(crtc); + dc->event = NULL; + } + + spin_unlock_irqrestore(&drm->event_lock, flags); +} + static irqreturn_t tegra_dc_irq(int irq, void *data) { struct tegra_dc *dc = data; -- 2.30.2