diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 5d09e33fef87..085b066a9993 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -104,6 +104,14 @@ static struct fimd_driver_data s3c64xx_fimd_driver_data = { .has_limited_fmt = 1, }; +static struct fimd_driver_data exynos3_fimd_driver_data = { + .timing_base = 0x20000, + .lcdblk_offset = 0x210, + .lcdblk_bypass_shift = 1, + .has_shadowcon = 1, + .has_vidoutcon = 1, +}; + static struct fimd_driver_data exynos4_fimd_driver_data = { .timing_base = 0x0, .lcdblk_offset = 0x210, @@ -168,6 +176,8 @@ struct fimd_context { static const struct of_device_id fimd_driver_dt_match[] = { { .compatible = "samsung,s3c6400-fimd", .data = &s3c64xx_fimd_driver_data }, + { .compatible = "samsung,exynos3250-fimd", + .data = &exynos3_fimd_driver_data }, { .compatible = "samsung,exynos4210-fimd", .data = &exynos4_fimd_driver_data }, { .compatible = "samsung,exynos5250-fimd", @@ -204,7 +214,6 @@ static void fimd_wait_for_vblank(struct exynos_drm_manager *mgr) DRM_DEBUG_KMS("vblank wait timed out.\n"); } - static void fimd_clear_channel(struct exynos_drm_manager *mgr) { struct fimd_context *ctx = mgr->ctx; @@ -214,17 +223,31 @@ static void fimd_clear_channel(struct exynos_drm_manager *mgr) /* Check if any channel is enabled. */ for (win = 0; win < WINDOWS_NR; win++) { - u32 val = readl(ctx->regs + SHADOWCON); - if (val & SHADOWCON_CHx_ENABLE(win)) { - val &= ~SHADOWCON_CHx_ENABLE(win); - writel(val, ctx->regs + SHADOWCON); + u32 val = readl(ctx->regs + WINCON(win)); + + if (val & WINCONx_ENWIN) { + /* wincon */ + val &= ~WINCONx_ENWIN; + writel(val, ctx->regs + WINCON(win)); + + /* unprotect windows */ + if (ctx->driver_data->has_shadowcon) { + val = readl(ctx->regs + SHADOWCON); + val &= ~SHADOWCON_CHx_ENABLE(win); + writel(val, ctx->regs + SHADOWCON); + } ch_enabled = 1; } } /* Wait for vsync, as disable channel takes effect at next vsync */ - if (ch_enabled) + if (ch_enabled) { + unsigned int state = ctx->suspended; + + ctx->suspended = 0; fimd_wait_for_vblank(mgr); + ctx->suspended = state; + } } static int fimd_mgr_initialize(struct exynos_drm_manager *mgr, @@ -237,23 +260,6 @@ static int fimd_mgr_initialize(struct exynos_drm_manager *mgr, mgr->drm_dev = ctx->drm_dev = drm_dev; mgr->pipe = ctx->pipe = priv->pipe++; - /* - * enable drm irq mode. - * - with irq_enabled = true, we can use the vblank feature. - * - * P.S. note that we wouldn't use drm irq handler but - * just specific driver own one instead because - * drm framework supports only one irq handler. - */ - drm_dev->irq_enabled = true; - - /* - * with vblank_disable_allowed = true, vblank interrupt will be disabled - * by drm timer once a current process gives up ownership of - * vblank event.(after drm_vblank_put function is called) - */ - drm_dev->vblank_disable_allowed = true; - /* attach this sub driver to iommu mapping if supported. */ if (is_drm_iommu_supported(ctx->drm_dev)) { /* @@ -1051,7 +1057,6 @@ static void fimd_unbind(struct device *dev, struct device *master, { struct exynos_drm_manager *mgr = dev_get_drvdata(dev); struct fimd_context *ctx = fimd_manager.ctx; - struct drm_crtc *crtc = mgr->crtc; fimd_dpms(mgr, DRM_MODE_DPMS_OFF); @@ -1059,8 +1064,6 @@ static void fimd_unbind(struct device *dev, struct device *master, exynos_dpi_remove(dev); fimd_mgr_remove(mgr); - - crtc->funcs->destroy(crtc); } static const struct component_ops fimd_component_ops = { |