diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/gpu/drm/exynos | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'drivers/gpu/drm/exynos')
20 files changed, 184 insertions, 289 deletions
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index d814b3048..83f61c513 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -2,10 +2,6 @@ config DRM_EXYNOS tristate "DRM Support for Samsung SoC EXYNOS Series" depends on OF && DRM && (ARCH_S3C64XX || ARCH_EXYNOS || ARCH_MULTIPLATFORM) select DRM_KMS_HELPER - select DRM_KMS_FB_HELPER - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT select VIDEOMODE_HELPERS help Choose this option if you have a Samsung SoC EXYNOS chipset. @@ -15,7 +11,7 @@ if DRM_EXYNOS config DRM_EXYNOS_IOMMU bool - depends on EXYNOS_IOMMU && ARM_DMA_USE_IOMMU + depends on EXYNOS_IOMMU default y comment "CRTCs" diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c index 4c1fb3f8b..4f0850585 100644 --- a/drivers/gpu/drm/exynos/exynos_dp.c +++ b/drivers/gpu/drm/exynos/exynos_dp.c @@ -67,10 +67,10 @@ static int exynos_dp_poweroff(struct analogix_dp_plat_data *plat_data) return exynos_dp_crtc_clock_enable(plat_data, false); } -static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data) +static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data, + struct drm_connector *connector) { struct exynos_dp_device *dp = to_dp(plat_data); - struct drm_connector *connector = dp->connector; struct drm_display_mode *mode; int num_modes = 0; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 5e38e749a..ad6b73c7f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -93,17 +93,8 @@ static int exynos_dpi_get_modes(struct drm_connector *connector) return 0; } -static struct drm_encoder * -exynos_dpi_best_encoder(struct drm_connector *connector) -{ - struct exynos_dpi *ctx = connector_to_dpi(connector); - - return &ctx->encoder; -} - static const struct drm_connector_helper_funcs exynos_dpi_connector_helper_funcs = { .get_modes = exynos_dpi_get_modes, - .best_encoder = exynos_dpi_best_encoder, }; static int exynos_dpi_create_connector(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 2dd820e23..877d2efa2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -159,12 +159,7 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags) DRM_INFO("Exynos DRM: using %s device for DMA mapping operations\n", dev_name(private->dma_dev)); - /* - * create mapping to manage iommu table and set a pointer to iommu - * mapping structure to iommu_mapping of private data. - * also this iommu_mapping can be used to check if iommu is supported - * or not. - */ + /* create common IOMMU mapping for all devices attached to Exynos DRM */ ret = drm_create_iommu_mapping(dev); if (ret < 0) { DRM_ERROR("failed to create iommu mapping.\n"); @@ -267,6 +262,8 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, { struct exynos_drm_private *priv = dev->dev_private; struct exynos_atomic_commit *commit; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; int i, ret; commit = kzalloc(sizeof(*commit), GFP_KERNEL); @@ -288,10 +285,8 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, /* Wait until all affected CRTCs have completed previous commits and * mark them as pending. */ - for (i = 0; i < dev->mode_config.num_crtc; ++i) { - if (state->crtcs[i]) - commit->crtcs |= 1 << drm_crtc_index(state->crtcs[i]); - } + for_each_crtc_in_state(state, crtc, crtc_state, i) + commit->crtcs |= drm_crtc_mask(crtc); wait_event(priv->wait, !commit_is_pending(priv, commit->crtcs)); @@ -299,7 +294,7 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, priv->pending |= commit->crtcs; spin_unlock(&priv->lock); - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); if (nonblock) schedule_work(&commit->work); @@ -407,7 +402,6 @@ static struct drm_driver exynos_drm_driver = { .preclose = exynos_drm_preclose, .lastclose = exynos_drm_lastclose, .postclose = exynos_drm_postclose, - .set_busid = drm_platform_set_busid, .get_vblank_counter = drm_vblank_no_hw_counter, .enable_vblank = exynos_drm_crtc_enable_vblank, .disable_vblank = exynos_drm_crtc_disable_vblank, diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index cc33ec929..7f1a49d5b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -64,7 +64,6 @@ struct exynos_drm_plane_state { struct exynos_drm_rect src; unsigned int h_ratio; unsigned int v_ratio; - unsigned int zpos; }; static inline struct exynos_drm_plane_state * @@ -221,11 +220,8 @@ struct exynos_drm_private { * this array is used to be aware of which crtc did it request vblank. */ struct drm_crtc *crtc[MAX_CRTC]; - struct drm_property *plane_zpos_property; struct device *dma_dev; - unsigned long da_start; - unsigned long da_space_size; void *mapping; unsigned int pipe; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 601ecf800..e07cb1fe4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1566,17 +1566,8 @@ static int exynos_dsi_get_modes(struct drm_connector *connector) return 0; } -static struct drm_encoder * -exynos_dsi_best_encoder(struct drm_connector *connector) -{ - struct exynos_dsi *dsi = connector_to_dsi(connector); - - return &dsi->encoder; -} - static const struct drm_connector_helper_funcs exynos_dsi_connector_helper_funcs = { .get_modes = exynos_dsi_get_modes, - .best_encoder = exynos_dsi_best_encoder, }; static int exynos_dsi_create_connector(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index e0166403b..40ce841eb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -55,11 +55,11 @@ static int check_fb_gem_memory_type(struct drm_device *drm_dev, flags = exynos_gem->flags; /* - * without iommu support, not support physically non-continuous memory - * for framebuffer. + * Physically non-contiguous memory type for framebuffer is not + * supported without IOMMU. */ if (IS_NONCONTIG_BUFFER(flags)) { - DRM_ERROR("cannot use this gem memory type for fb.\n"); + DRM_ERROR("Non-contiguous GEM memory is not supported.\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 67dcd6831..4cfb39d54 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -52,7 +52,7 @@ static int exynos_drm_fb_mmap(struct fb_info *info, ret = dma_mmap_attrs(to_dma_dev(helper->dev), vma, exynos_gem->cookie, exynos_gem->dma_addr, exynos_gem->size, - &exynos_gem->dma_attrs); + exynos_gem->dma_attrs); if (ret < 0) { DRM_ERROR("failed to mmap.\n"); return ret; @@ -269,8 +269,7 @@ static void exynos_drm_fbdev_destroy(struct drm_device *dev, struct exynos_drm_gem *exynos_gem = exynos_fbd->exynos_gem; struct drm_framebuffer *fb; - if (exynos_gem->kvaddr) - vunmap(exynos_gem->kvaddr); + vunmap(exynos_gem->kvaddr); /* release drm framebuffer and real buffer */ if (fb_helper->fb && fb_helper->fb->funcs) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 0525c5614..147ef0d29 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1753,32 +1753,6 @@ static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable) return 0; } -#ifdef CONFIG_PM_SLEEP -static int fimc_suspend(struct device *dev) -{ - struct fimc_context *ctx = get_fimc_context(dev); - - DRM_DEBUG_KMS("id[%d]\n", ctx->id); - - if (pm_runtime_suspended(dev)) - return 0; - - return fimc_clk_ctrl(ctx, false); -} - -static int fimc_resume(struct device *dev) -{ - struct fimc_context *ctx = get_fimc_context(dev); - - DRM_DEBUG_KMS("id[%d]\n", ctx->id); - - if (!pm_runtime_suspended(dev)) - return fimc_clk_ctrl(ctx, true); - - return 0; -} -#endif - static int fimc_runtime_suspend(struct device *dev) { struct fimc_context *ctx = get_fimc_context(dev); @@ -1799,7 +1773,8 @@ static int fimc_runtime_resume(struct device *dev) #endif static const struct dev_pm_ops fimc_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL) }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 8564c3da0..6eca8bb88 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -17,7 +17,6 @@ #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/dma-mapping.h> -#include <linux/dma-attrs.h> #include <linux/of.h> #include <drm/drmP.h> @@ -235,7 +234,7 @@ struct g2d_data { struct mutex cmdlist_mutex; dma_addr_t cmdlist_pool; void *cmdlist_pool_virt; - struct dma_attrs cmdlist_dma_attrs; + unsigned long cmdlist_dma_attrs; /* runqueue*/ struct g2d_runqueue_node *runqueue_node; @@ -256,13 +255,12 @@ static int g2d_init_cmdlist(struct g2d_data *g2d) int ret; struct g2d_buf_info *buf_info; - init_dma_attrs(&g2d->cmdlist_dma_attrs); - dma_set_attr(DMA_ATTR_WRITE_COMBINE, &g2d->cmdlist_dma_attrs); + g2d->cmdlist_dma_attrs = DMA_ATTR_WRITE_COMBINE; g2d->cmdlist_pool_virt = dma_alloc_attrs(to_dma_dev(subdrv->drm_dev), G2D_CMDLIST_POOL_SIZE, &g2d->cmdlist_pool, GFP_KERNEL, - &g2d->cmdlist_dma_attrs); + g2d->cmdlist_dma_attrs); if (!g2d->cmdlist_pool_virt) { dev_err(dev, "failed to allocate dma memory\n"); return -ENOMEM; @@ -295,7 +293,7 @@ static int g2d_init_cmdlist(struct g2d_data *g2d) err: dma_free_attrs(to_dma_dev(subdrv->drm_dev), G2D_CMDLIST_POOL_SIZE, g2d->cmdlist_pool_virt, - g2d->cmdlist_pool, &g2d->cmdlist_dma_attrs); + g2d->cmdlist_pool, g2d->cmdlist_dma_attrs); return ret; } @@ -309,7 +307,7 @@ static void g2d_fini_cmdlist(struct g2d_data *g2d) dma_free_attrs(to_dma_dev(subdrv->drm_dev), G2D_CMDLIST_POOL_SIZE, g2d->cmdlist_pool_virt, - g2d->cmdlist_pool, &g2d->cmdlist_dma_attrs); + g2d->cmdlist_pool, g2d->cmdlist_dma_attrs); } } @@ -1477,8 +1475,8 @@ static int g2d_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP -static int g2d_suspend(struct device *dev) +#ifdef CONFIG_PM +static int g2d_runtime_suspend(struct device *dev) { struct g2d_data *g2d = dev_get_drvdata(dev); @@ -1492,25 +1490,6 @@ static int g2d_suspend(struct device *dev) flush_work(&g2d->runqueue_work); - return 0; -} - -static int g2d_resume(struct device *dev) -{ - struct g2d_data *g2d = dev_get_drvdata(dev); - - g2d->suspended = false; - g2d_exec_runqueue(g2d); - - return 0; -} -#endif - -#ifdef CONFIG_PM -static int g2d_runtime_suspend(struct device *dev) -{ - struct g2d_data *g2d = dev_get_drvdata(dev); - clk_disable_unprepare(g2d->gate_clk); return 0; @@ -1525,12 +1504,16 @@ static int g2d_runtime_resume(struct device *dev) if (ret < 0) dev_warn(dev, "failed to enable clock.\n"); + g2d->suspended = false; + g2d_exec_runqueue(g2d); + return ret; } #endif static const struct dev_pm_ops g2d_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(g2d_suspend, g2d_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(g2d_runtime_suspend, g2d_runtime_resume, NULL) }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index cdf9f1af4..f2ae72ba7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -24,7 +24,7 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem) { struct drm_device *dev = exynos_gem->base.dev; - enum dma_attr attr; + unsigned long attr; unsigned int nr_pages; struct sg_table sgt; int ret = -ENOMEM; @@ -34,7 +34,7 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem) return 0; } - init_dma_attrs(&exynos_gem->dma_attrs); + exynos_gem->dma_attrs = 0; /* * if EXYNOS_BO_CONTIG, fully physically contiguous memory @@ -42,7 +42,7 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem) * as possible. */ if (!(exynos_gem->flags & EXYNOS_BO_NONCONTIG)) - dma_set_attr(DMA_ATTR_FORCE_CONTIGUOUS, &exynos_gem->dma_attrs); + exynos_gem->dma_attrs |= DMA_ATTR_FORCE_CONTIGUOUS; /* * if EXYNOS_BO_WC or EXYNOS_BO_NONCACHABLE, writecombine mapping @@ -54,8 +54,8 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem) else attr = DMA_ATTR_NON_CONSISTENT; - dma_set_attr(attr, &exynos_gem->dma_attrs); - dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &exynos_gem->dma_attrs); + exynos_gem->dma_attrs |= attr; + exynos_gem->dma_attrs |= DMA_ATTR_NO_KERNEL_MAPPING; nr_pages = exynos_gem->size >> PAGE_SHIFT; @@ -67,7 +67,7 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem) exynos_gem->cookie = dma_alloc_attrs(to_dma_dev(dev), exynos_gem->size, &exynos_gem->dma_addr, GFP_KERNEL, - &exynos_gem->dma_attrs); + exynos_gem->dma_attrs); if (!exynos_gem->cookie) { DRM_ERROR("failed to allocate buffer.\n"); goto err_free; @@ -75,7 +75,7 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem) ret = dma_get_sgtable_attrs(to_dma_dev(dev), &sgt, exynos_gem->cookie, exynos_gem->dma_addr, exynos_gem->size, - &exynos_gem->dma_attrs); + exynos_gem->dma_attrs); if (ret < 0) { DRM_ERROR("failed to get sgtable.\n"); goto err_dma_free; @@ -99,7 +99,7 @@ err_sgt_free: sg_free_table(&sgt); err_dma_free: dma_free_attrs(to_dma_dev(dev), exynos_gem->size, exynos_gem->cookie, - exynos_gem->dma_addr, &exynos_gem->dma_attrs); + exynos_gem->dma_addr, exynos_gem->dma_attrs); err_free: drm_free_large(exynos_gem->pages); @@ -120,7 +120,7 @@ static void exynos_drm_free_buf(struct exynos_drm_gem *exynos_gem) dma_free_attrs(to_dma_dev(dev), exynos_gem->size, exynos_gem->cookie, (dma_addr_t)exynos_gem->dma_addr, - &exynos_gem->dma_attrs); + exynos_gem->dma_attrs); drm_free_large(exynos_gem->pages); } @@ -346,7 +346,7 @@ static int exynos_drm_gem_mmap_buffer(struct exynos_drm_gem *exynos_gem, ret = dma_mmap_attrs(to_dma_dev(drm_dev), vma, exynos_gem->cookie, exynos_gem->dma_addr, exynos_gem->size, - &exynos_gem->dma_attrs); + exynos_gem->dma_attrs); if (ret < 0) { DRM_ERROR("failed to mmap.\n"); return ret; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 781007422..df7c543d6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -50,7 +50,7 @@ struct exynos_drm_gem { void *cookie; void __iomem *kvaddr; dma_addr_t dma_addr; - struct dma_attrs dma_attrs; + unsigned long dma_attrs; struct page **pages; struct sg_table *sgt; }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 5d20da8f9..52a9d2694 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1760,34 +1760,7 @@ static int gsc_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP -static int gsc_suspend(struct device *dev) -{ - struct gsc_context *ctx = get_gsc_context(dev); - - DRM_DEBUG_KMS("id[%d]\n", ctx->id); - - if (pm_runtime_suspended(dev)) - return 0; - - return gsc_clk_ctrl(ctx, false); -} - -static int gsc_resume(struct device *dev) -{ - struct gsc_context *ctx = get_gsc_context(dev); - - DRM_DEBUG_KMS("id[%d]\n", ctx->id); - - if (!pm_runtime_suspended(dev)) - return gsc_clk_ctrl(ctx, true); - - return 0; -} -#endif - -#ifdef CONFIG_PM -static int gsc_runtime_suspend(struct device *dev) +static int __maybe_unused gsc_runtime_suspend(struct device *dev) { struct gsc_context *ctx = get_gsc_context(dev); @@ -1796,7 +1769,7 @@ static int gsc_runtime_suspend(struct device *dev) return gsc_clk_ctrl(ctx, false); } -static int gsc_runtime_resume(struct device *dev) +static int __maybe_unused gsc_runtime_resume(struct device *dev) { struct gsc_context *ctx = get_gsc_context(dev); @@ -1804,10 +1777,10 @@ static int gsc_runtime_resume(struct device *dev) return gsc_clk_ctrl(ctx, true); } -#endif static const struct dev_pm_ops gsc_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(gsc_suspend, gsc_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(gsc_runtime_suspend, gsc_runtime_resume, NULL) }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/drivers/gpu/drm/exynos/exynos_drm_iommu.c index 7ca09ee19..0f3737024 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.c @@ -14,13 +14,27 @@ #include <linux/dma-mapping.h> #include <linux/iommu.h> -#include <linux/kref.h> - -#include <asm/dma-iommu.h> #include "exynos_drm_drv.h" #include "exynos_drm_iommu.h" +static inline int configure_dma_max_seg_size(struct device *dev) +{ + if (!dev->dma_parms) + dev->dma_parms = kzalloc(sizeof(*dev->dma_parms), GFP_KERNEL); + if (!dev->dma_parms) + return -ENOMEM; + + dma_set_max_seg_size(dev, DMA_BIT_MASK(32)); + return 0; +} + +static inline void clear_dma_max_seg_size(struct device *dev) +{ + kfree(dev->dma_parms); + dev->dma_parms = NULL; +} + /* * drm_create_iommu_mapping - create a mapping structure * @@ -28,38 +42,22 @@ */ int drm_create_iommu_mapping(struct drm_device *drm_dev) { - struct dma_iommu_mapping *mapping = NULL; struct exynos_drm_private *priv = drm_dev->dev_private; - if (!priv->da_start) - priv->da_start = EXYNOS_DEV_ADDR_START; - if (!priv->da_space_size) - priv->da_space_size = EXYNOS_DEV_ADDR_SIZE; - - mapping = arm_iommu_create_mapping(&platform_bus_type, priv->da_start, - priv->da_space_size); - - if (IS_ERR(mapping)) - return PTR_ERR(mapping); - - priv->mapping = mapping; - - return 0; + return __exynos_iommu_create_mapping(priv, EXYNOS_DEV_ADDR_START, + EXYNOS_DEV_ADDR_SIZE); } /* * drm_release_iommu_mapping - release iommu mapping structure * * @drm_dev: DRM device - * - * if mapping->kref becomes 0 then all things related to iommu mapping - * will be released */ void drm_release_iommu_mapping(struct drm_device *drm_dev) { struct exynos_drm_private *priv = drm_dev->dev_private; - arm_iommu_release_mapping(priv->mapping); + __exynos_iommu_release_mapping(priv); } /* @@ -77,25 +75,19 @@ int drm_iommu_attach_device(struct drm_device *drm_dev, struct exynos_drm_private *priv = drm_dev->dev_private; int ret; - if (!priv->mapping) - return 0; - - subdrv_dev->dma_parms = devm_kzalloc(subdrv_dev, - sizeof(*subdrv_dev->dma_parms), - GFP_KERNEL); - if (!subdrv_dev->dma_parms) - return -ENOMEM; - - dma_set_max_seg_size(subdrv_dev, 0xffffffffu); - - if (subdrv_dev->archdata.mapping) - arm_iommu_detach_device(subdrv_dev); + if (get_dma_ops(priv->dma_dev) != get_dma_ops(subdrv_dev)) { + DRM_ERROR("Device %s lacks support for IOMMU\n", + dev_name(subdrv_dev)); + return -EINVAL; + } - ret = arm_iommu_attach_device(subdrv_dev, priv->mapping); - if (ret < 0) { - DRM_DEBUG_KMS("failed iommu attach.\n"); + ret = configure_dma_max_seg_size(subdrv_dev); + if (ret) return ret; - } + + ret = __exynos_iommu_attach(priv, subdrv_dev); + if (ret) + clear_dma_max_seg_size(subdrv_dev); return 0; } @@ -113,10 +105,7 @@ void drm_iommu_detach_device(struct drm_device *drm_dev, struct device *subdrv_dev) { struct exynos_drm_private *priv = drm_dev->dev_private; - struct dma_iommu_mapping *mapping = priv->mapping; - - if (!mapping || !mapping->domain) - return; - arm_iommu_detach_device(subdrv_dev); + __exynos_iommu_detach(priv, subdrv_dev); + clear_dma_max_seg_size(subdrv_dev); } diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.h b/drivers/gpu/drm/exynos/exynos_drm_iommu.h index 5ffebe02e..c8de4913f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.h +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.h @@ -17,6 +17,97 @@ #ifdef CONFIG_DRM_EXYNOS_IOMMU +#if defined(CONFIG_ARM_DMA_USE_IOMMU) +#include <asm/dma-iommu.h> + +static inline int __exynos_iommu_create_mapping(struct exynos_drm_private *priv, + unsigned long start, unsigned long size) +{ + priv->mapping = arm_iommu_create_mapping(&platform_bus_type, start, + size); + return IS_ERR(priv->mapping); +} + +static inline void +__exynos_iommu_release_mapping(struct exynos_drm_private *priv) +{ + arm_iommu_release_mapping(priv->mapping); +} + +static inline int __exynos_iommu_attach(struct exynos_drm_private *priv, + struct device *dev) +{ + if (dev->archdata.mapping) + arm_iommu_detach_device(dev); + + return arm_iommu_attach_device(dev, priv->mapping); +} + +static inline void __exynos_iommu_detach(struct exynos_drm_private *priv, + struct device *dev) +{ + arm_iommu_detach_device(dev); +} + +#elif defined(CONFIG_IOMMU_DMA) +#include <linux/dma-iommu.h> + +static inline int __exynos_iommu_create_mapping(struct exynos_drm_private *priv, + unsigned long start, unsigned long size) +{ + struct iommu_domain *domain; + int ret; + + domain = iommu_domain_alloc(priv->dma_dev->bus); + if (!domain) + return -ENOMEM; + + ret = iommu_get_dma_cookie(domain); + if (ret) + goto free_domain; + + ret = iommu_dma_init_domain(domain, start, size); + if (ret) + goto put_cookie; + + priv->mapping = domain; + return 0; + +put_cookie: + iommu_put_dma_cookie(domain); +free_domain: + iommu_domain_free(domain); + return ret; +} + +static inline void __exynos_iommu_release_mapping(struct exynos_drm_private *priv) +{ + struct iommu_domain *domain = priv->mapping; + + iommu_put_dma_cookie(domain); + iommu_domain_free(domain); + priv->mapping = NULL; +} + +static inline int __exynos_iommu_attach(struct exynos_drm_private *priv, + struct device *dev) +{ + struct iommu_domain *domain = priv->mapping; + + return iommu_attach_device(domain, dev); +} + +static inline void __exynos_iommu_detach(struct exynos_drm_private *priv, + struct device *dev) +{ + struct iommu_domain *domain = priv->mapping; + + iommu_detach_device(domain, dev); +} +#else +#error Unsupported architecture and IOMMU/DMA-mapping glue code +#endif + int drm_create_iommu_mapping(struct drm_device *drm_dev); void drm_release_iommu_mapping(struct drm_device *drm_dev); diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 77f12c00a..7f32419b2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -139,9 +139,9 @@ static void exynos_drm_plane_reset(struct drm_plane *plane) exynos_state = kzalloc(sizeof(*exynos_state), GFP_KERNEL); if (exynos_state) { - exynos_state->zpos = exynos_plane->config->zpos; plane->state = &exynos_state->base; plane->state->plane = plane; + plane->state->zpos = exynos_plane->config->zpos; } } @@ -157,7 +157,6 @@ exynos_drm_plane_duplicate_state(struct drm_plane *plane) return NULL; __drm_atomic_helper_plane_duplicate_state(plane, ©->base); - copy->zpos = exynos_state->zpos; return ©->base; } @@ -170,43 +169,6 @@ static void exynos_drm_plane_destroy_state(struct drm_plane *plane, kfree(old_exynos_state); } -static int exynos_drm_plane_atomic_set_property(struct drm_plane *plane, - struct drm_plane_state *state, - struct drm_property *property, - uint64_t val) -{ - struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); - struct exynos_drm_plane_state *exynos_state = - to_exynos_plane_state(state); - struct exynos_drm_private *dev_priv = plane->dev->dev_private; - const struct exynos_drm_plane_config *config = exynos_plane->config; - - if (property == dev_priv->plane_zpos_property && - (config->capabilities & EXYNOS_DRM_PLANE_CAP_ZPOS)) - exynos_state->zpos = val; - else - return -EINVAL; - - return 0; -} - -static int exynos_drm_plane_atomic_get_property(struct drm_plane *plane, - const struct drm_plane_state *state, - struct drm_property *property, - uint64_t *val) -{ - const struct exynos_drm_plane_state *exynos_state = - container_of(state, const struct exynos_drm_plane_state, base); - struct exynos_drm_private *dev_priv = plane->dev->dev_private; - - if (property == dev_priv->plane_zpos_property) - *val = exynos_state->zpos; - else - return -EINVAL; - - return 0; -} - static struct drm_plane_funcs exynos_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -215,8 +177,6 @@ static struct drm_plane_funcs exynos_plane_funcs = { .reset = exynos_drm_plane_reset, .atomic_duplicate_state = exynos_drm_plane_duplicate_state, .atomic_destroy_state = exynos_drm_plane_destroy_state, - .atomic_set_property = exynos_drm_plane_atomic_set_property, - .atomic_get_property = exynos_drm_plane_atomic_get_property, }; static int @@ -304,23 +264,13 @@ static const struct drm_plane_helper_funcs plane_helper_funcs = { }; static void exynos_plane_attach_zpos_property(struct drm_plane *plane, - unsigned int zpos) + bool immutable) { - struct drm_device *dev = plane->dev; - struct exynos_drm_private *dev_priv = dev->dev_private; - struct drm_property *prop; - - prop = dev_priv->plane_zpos_property; - if (!prop) { - prop = drm_property_create_range(dev, 0, "zpos", - 0, MAX_PLANE - 1); - if (!prop) - return; - - dev_priv->plane_zpos_property = prop; - } - - drm_object_attach_property(&plane->base, prop, zpos); + /* FIXME */ + if (immutable) + drm_plane_create_zpos_immutable_property(plane, 0); + else + drm_plane_create_zpos_property(plane, 0, 0, MAX_PLANE - 1); } int exynos_plane_init(struct drm_device *dev, @@ -346,7 +296,8 @@ int exynos_plane_init(struct drm_device *dev, exynos_plane->index = index; exynos_plane->config = config; - exynos_plane_attach_zpos_property(&exynos_plane->base, config->zpos); + exynos_plane_attach_zpos_property(&exynos_plane->base, + !(config->capabilities & EXYNOS_DRM_PLANE_CAP_ZPOS)); return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index 404367a43..6591e4060 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -794,29 +794,6 @@ static int rotator_clk_crtl(struct rot_context *rot, bool enable) return 0; } - -#ifdef CONFIG_PM_SLEEP -static int rotator_suspend(struct device *dev) -{ - struct rot_context *rot = dev_get_drvdata(dev); - - if (pm_runtime_suspended(dev)) - return 0; - - return rotator_clk_crtl(rot, false); -} - -static int rotator_resume(struct device *dev) -{ - struct rot_context *rot = dev_get_drvdata(dev); - - if (!pm_runtime_suspended(dev)) - return rotator_clk_crtl(rot, true); - - return 0; -} -#endif - static int rotator_runtime_suspend(struct device *dev) { struct rot_context *rot = dev_get_drvdata(dev); @@ -833,7 +810,8 @@ static int rotator_runtime_resume(struct device *dev) #endif static const struct dev_pm_ops rotator_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(rotator_suspend, rotator_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(rotator_runtime_suspend, rotator_runtime_resume, NULL) }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 608b0afa3..e8f6c92b2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -378,16 +378,8 @@ static int vidi_get_modes(struct drm_connector *connector) return drm_add_edid_modes(connector, edid); } -static struct drm_encoder *vidi_best_encoder(struct drm_connector *connector) -{ - struct vidi_context *ctx = ctx_from_connector(connector); - - return &ctx->encoder; -} - static const struct drm_connector_helper_funcs vidi_connector_helper_funcs = { .get_modes = vidi_get_modes, - .best_encoder = vidi_best_encoder, }; static int vidi_create_connector(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 58de5a430..2275efe41 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -937,17 +937,9 @@ static int hdmi_mode_valid(struct drm_connector *connector, return MODE_OK; } -static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector) -{ - struct hdmi_context *hdata = connector_to_hdmi(connector); - - return &hdata->encoder; -} - static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = { .get_modes = hdmi_get_modes, .mode_valid = hdmi_mode_valid, - .best_encoder = hdmi_best_encoder, }; static int hdmi_create_connector(struct drm_encoder *encoder) @@ -1828,6 +1820,7 @@ static int hdmi_probe(struct platform_device *pdev) DRM_ERROR("Failed to find ddc node in device tree\n"); return -ENODEV; } + of_node_put(dev->of_node); out_get_ddc_adpt: hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node); @@ -1846,6 +1839,7 @@ out_get_ddc_adpt: ret = -ENODEV; goto err_ddc; } + of_node_put(dev->of_node); out_get_phy_port: if (hdata->drv_data->is_apb_phy) { diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 74a4269cc..e1d47f943 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -477,6 +477,7 @@ static void vp_video_buffer(struct mixer_context *ctx, struct drm_display_mode *mode = &state->base.crtc->state->adjusted_mode; struct mixer_resources *res = &ctx->mixer_res; struct drm_framebuffer *fb = state->base.fb; + unsigned int priority = state->base.normalized_zpos + 1; unsigned long flags; dma_addr_t luma_addr[2], chroma_addr[2]; bool tiled_mode = false; @@ -561,7 +562,7 @@ static void vp_video_buffer(struct mixer_context *ctx, mixer_cfg_scan(ctx, mode->vdisplay); mixer_cfg_rgb_fmt(ctx, mode->vdisplay); - mixer_cfg_layer(ctx, plane->index, state->zpos + 1, true); + mixer_cfg_layer(ctx, plane->index, priority, true); mixer_cfg_vp_blend(ctx); mixer_run(ctx); @@ -586,6 +587,7 @@ static void mixer_graph_buffer(struct mixer_context *ctx, struct drm_display_mode *mode = &state->base.crtc->state->adjusted_mode; struct mixer_resources *res = &ctx->mixer_res; struct drm_framebuffer *fb = state->base.fb; + unsigned int priority = state->base.normalized_zpos + 1; unsigned long flags; unsigned int win = plane->index; unsigned int x_ratio = 0, y_ratio = 0; @@ -677,7 +679,7 @@ static void mixer_graph_buffer(struct mixer_context *ctx, mixer_cfg_scan(ctx, mode->vdisplay); mixer_cfg_rgb_fmt(ctx, mode->vdisplay); - mixer_cfg_layer(ctx, win, state->zpos + 1, true); + mixer_cfg_layer(ctx, win, priority, true); mixer_cfg_gfx_blend(ctx, win, is_alpha_format(fb->pixel_format)); /* layer update mandatory for mixer 16.0.33.0 */ |