diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 65 |
1 files changed, 24 insertions, 41 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index b6a737d196a..ecb6db22970 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -89,7 +89,7 @@ struct fimd_context { bool suspended; struct mutex lock; - struct fb_videomode *timing; + struct exynos_drm_panel_info *panel; }; static bool fimd_display_is_connected(struct device *dev) @@ -101,13 +101,13 @@ static bool fimd_display_is_connected(struct device *dev) return true; } -static void *fimd_get_timing(struct device *dev) +static void *fimd_get_panel(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); DRM_DEBUG_KMS("%s\n", __FILE__); - return ctx->timing; + return ctx->panel; } static int fimd_check_timing(struct device *dev, void *timing) @@ -131,7 +131,7 @@ static int fimd_display_power_on(struct device *dev, int mode) static struct exynos_drm_display_ops fimd_display_ops = { .type = EXYNOS_DISPLAY_TYPE_LCD, .is_connected = fimd_display_is_connected, - .get_timing = fimd_get_timing, + .get_panel = fimd_get_panel, .check_timing = fimd_check_timing, .power_on = fimd_display_power_on, }; @@ -193,7 +193,8 @@ static void fimd_apply(struct device *subdrv_dev) static void fimd_commit(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); - struct fb_videomode *timing = ctx->timing; + struct exynos_drm_panel_info *panel = ctx->panel; + struct fb_videomode *timing = &panel->timing; u32 val; if (ctx->suspended) @@ -604,7 +605,12 @@ static void fimd_finish_pageflip(struct drm_device *drm_dev, int crtc) } if (is_checked) { - drm_vblank_put(drm_dev, crtc); + /* + * call drm_vblank_put only in case that drm_vblank_get was + * called. + */ + if (atomic_read(&drm_dev->vblank_refcount[crtc]) > 0) + drm_vblank_put(drm_dev, crtc); /* * don't off vblank if vblank_disable_allowed is 1, @@ -781,7 +787,7 @@ static int __devinit fimd_probe(struct platform_device *pdev) struct fimd_context *ctx; struct exynos_drm_subdrv *subdrv; struct exynos_drm_fimd_pdata *pdata; - struct fb_videomode *timing; + struct exynos_drm_panel_info *panel; struct resource *res; int win; int ret = -EINVAL; @@ -794,9 +800,9 @@ static int __devinit fimd_probe(struct platform_device *pdev) return -EINVAL; } - timing = &pdata->timing; - if (!timing) { - dev_err(dev, "timing is null.\n"); + panel = &pdata->panel; + if (!panel) { + dev_err(dev, "panel is null.\n"); return -EINVAL; } @@ -811,8 +817,6 @@ static int __devinit fimd_probe(struct platform_device *pdev) goto err_clk_get; } - clk_enable(ctx->bus_clk); - ctx->lcd_clk = clk_get(dev, "sclk_fimd"); if (IS_ERR(ctx->lcd_clk)) { dev_err(dev, "failed to get lcd clock\n"); @@ -820,8 +824,6 @@ static int __devinit fimd_probe(struct platform_device *pdev) goto err_bus_clk; } - clk_enable(ctx->lcd_clk); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "failed to find registers\n"); @@ -858,16 +860,10 @@ static int __devinit fimd_probe(struct platform_device *pdev) goto err_req_irq; } - ctx->clkdiv = fimd_calc_clkdiv(ctx, timing); ctx->vidcon0 = pdata->vidcon0; ctx->vidcon1 = pdata->vidcon1; ctx->default_win = pdata->default_win; - ctx->timing = timing; - - timing->pixclock = clk_get_rate(ctx->lcd_clk) / ctx->clkdiv; - - DRM_DEBUG_KMS("pixel clock = %d, clkdiv = %d\n", - timing->pixclock, ctx->clkdiv); + ctx->panel = panel; subdrv = &ctx->subdrv; @@ -883,10 +879,15 @@ static int __devinit fimd_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ctx); - pm_runtime_set_active(dev); pm_runtime_enable(dev); pm_runtime_get_sync(dev); + ctx->clkdiv = fimd_calc_clkdiv(ctx, &panel->timing); + panel->timing.pixclock = clk_get_rate(ctx->lcd_clk) / ctx->clkdiv; + + DRM_DEBUG_KMS("pixel clock = %d, clkdiv = %d\n", + panel->timing.pixclock, ctx->clkdiv); + for (win = 0; win < WINDOWS_NR; win++) fimd_clear_win(ctx, win); @@ -1006,7 +1007,7 @@ static const struct dev_pm_ops fimd_pm_ops = { SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL) }; -static struct platform_driver fimd_driver = { +struct platform_driver fimd_driver = { .probe = fimd_probe, .remove = __devexit_p(fimd_remove), .driver = { @@ -1015,21 +1016,3 @@ static struct platform_driver fimd_driver = { .pm = &fimd_pm_ops, }, }; - -static int __init fimd_init(void) -{ - return platform_driver_register(&fimd_driver); -} - -static void __exit fimd_exit(void) -{ - platform_driver_unregister(&fimd_driver); -} - -module_init(fimd_init); -module_exit(fimd_exit); - -MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); -MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); -MODULE_DESCRIPTION("Samsung DRM FIMD Driver"); -MODULE_LICENSE("GPL"); |