From 74ccc539bcebdb24afb74194223f92a96a7285ed Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Wed, 19 Oct 2011 17:23:07 +0900 Subject: drm/exynos: changed exynos_drm_display to exynos_drm_display_ops exynos_drm_display has function pointes so exynos_drm_display_ops is better to describe. Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_drv.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h') diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index c03683f2ae72..1575e5fef51e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -130,7 +130,7 @@ struct exynos_drm_overlay { * @check_timing: check if timing is valid or not. * @power_on: display device on or off. */ -struct exynos_drm_display { +struct exynos_drm_display_ops { enum exynos_drm_output_type type; bool (*is_connected)(struct device *dev); int (*get_edid)(struct device *dev, struct drm_connector *connector, @@ -178,7 +178,7 @@ struct exynos_drm_manager { int pipe; struct exynos_drm_manager_ops *ops; struct exynos_drm_overlay_ops *overlay_ops; - struct exynos_drm_display *display; + struct exynos_drm_display_ops *display_ops; }; /* -- cgit v1.2.3 From 2c871127e994a678b82104a4110eb7fcc87f05ad Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Sat, 12 Nov 2011 15:23:32 +0900 Subject: drm/exynos: changed buffer structure. the purpose of this patch is to consider IOMMU support in the future. EXYNOS4 SoC supports IOMMU also so the address for DMA could be physical address with IOMMU or device address with IOMMU. Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_buf.c | 60 ++++++++++++++++--------------- drivers/gpu/drm/exynos/exynos_drm_buf.h | 21 +++-------- drivers/gpu/drm/exynos/exynos_drm_crtc.c | 47 ++++++++---------------- drivers/gpu/drm/exynos/exynos_drm_crtc.h | 25 +++++++++++++ drivers/gpu/drm/exynos/exynos_drm_drv.h | 6 ++-- drivers/gpu/drm/exynos/exynos_drm_fb.c | 48 ++++++++++++------------- drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 15 ++++---- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 12 +++---- drivers/gpu/drm/exynos/exynos_drm_gem.c | 25 ++++++------- drivers/gpu/drm/exynos/exynos_drm_gem.h | 22 ++++++++++-- 10 files changed, 148 insertions(+), 133 deletions(-) (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h') diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.c b/drivers/gpu/drm/exynos/exynos_drm_buf.c index 303189c78cf1..2bb07bca511a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.c @@ -27,80 +27,84 @@ #include "drm.h" #include "exynos_drm_drv.h" +#include "exynos_drm_gem.h" #include "exynos_drm_buf.h" static int lowlevel_buffer_allocate(struct drm_device *dev, - struct exynos_drm_buf_entry *entry) + struct exynos_drm_gem_buf *buffer) { DRM_DEBUG_KMS("%s\n", __FILE__); - entry->vaddr = dma_alloc_writecombine(dev->dev, entry->size, - (dma_addr_t *)&entry->paddr, GFP_KERNEL); - if (!entry->paddr) { + buffer->kvaddr = dma_alloc_writecombine(dev->dev, buffer->size, + &buffer->dma_addr, GFP_KERNEL); + if (!buffer->kvaddr) { DRM_ERROR("failed to allocate buffer.\n"); return -ENOMEM; } - DRM_DEBUG_KMS("allocated : vaddr(0x%x), paddr(0x%x), size(0x%x)\n", - (unsigned int)entry->vaddr, entry->paddr, entry->size); + DRM_DEBUG_KMS("vaddr(0x%lx), dma_addr(0x%lx), size(0x%lx)\n", + (unsigned long)buffer->kvaddr, + (unsigned long)buffer->dma_addr, + buffer->size); return 0; } static void lowlevel_buffer_deallocate(struct drm_device *dev, - struct exynos_drm_buf_entry *entry) + struct exynos_drm_gem_buf *buffer) { DRM_DEBUG_KMS("%s.\n", __FILE__); - if (entry->paddr && entry->vaddr && entry->size) - dma_free_writecombine(dev->dev, entry->size, entry->vaddr, - entry->paddr); + if (buffer->dma_addr && buffer->size) + dma_free_writecombine(dev->dev, buffer->size, buffer->kvaddr, + (dma_addr_t)buffer->dma_addr); else - DRM_DEBUG_KMS("entry data is null.\n"); + DRM_DEBUG_KMS("buffer data are invalid.\n"); } -struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev, +struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev, unsigned int size) { - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; DRM_DEBUG_KMS("%s.\n", __FILE__); + DRM_DEBUG_KMS("desired size = 0x%x\n", size); - entry = kzalloc(sizeof(*entry), GFP_KERNEL); - if (!entry) { - DRM_ERROR("failed to allocate exynos_drm_buf_entry.\n"); + buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); + if (!buffer) { + DRM_ERROR("failed to allocate exynos_drm_gem_buf.\n"); return ERR_PTR(-ENOMEM); } - entry->size = size; + buffer->size = size; /* * allocate memory region with size and set the memory information - * to vaddr and paddr of a entry object. + * to vaddr and dma_addr of a buffer object. */ - if (lowlevel_buffer_allocate(dev, entry) < 0) { - kfree(entry); - entry = NULL; + if (lowlevel_buffer_allocate(dev, buffer) < 0) { + kfree(buffer); + buffer = NULL; return ERR_PTR(-ENOMEM); } - return entry; + return buffer; } void exynos_drm_buf_destroy(struct drm_device *dev, - struct exynos_drm_buf_entry *entry) + struct exynos_drm_gem_buf *buffer) { DRM_DEBUG_KMS("%s.\n", __FILE__); - if (!entry) { - DRM_DEBUG_KMS("entry is null.\n"); + if (!buffer) { + DRM_DEBUG_KMS("buffer is null.\n"); return; } - lowlevel_buffer_deallocate(dev, entry); + lowlevel_buffer_deallocate(dev, buffer); - kfree(entry); - entry = NULL; + kfree(buffer); + buffer = NULL; } MODULE_AUTHOR("Inki Dae "); diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.h b/drivers/gpu/drm/exynos/exynos_drm_buf.h index 045d59eab01a..6e91f9caa5db 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.h +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.h @@ -26,28 +26,15 @@ #ifndef _EXYNOS_DRM_BUF_H_ #define _EXYNOS_DRM_BUF_H_ -/* - * exynos drm buffer entry structure. - * - * @paddr: physical address of allocated memory. - * @vaddr: kernel virtual address of allocated memory. - * @size: size of allocated memory. - */ -struct exynos_drm_buf_entry { - dma_addr_t paddr; - void __iomem *vaddr; - unsigned int size; -}; - /* allocate physical memory. */ -struct exynos_drm_buf_entry *exynos_drm_buf_create(struct drm_device *dev, +struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev, unsigned int size); -/* get physical memory information of a drm framebuffer. */ -struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb); +/* get memory information of a drm framebuffer. */ +struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb); /* remove allocated physical memory. */ void exynos_drm_buf_destroy(struct drm_device *dev, - struct exynos_drm_buf_entry *entry); + struct exynos_drm_gem_buf *buffer); #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index b1d6526340bb..ee43cc220853 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -29,35 +29,16 @@ #include "drmP.h" #include "drm_crtc_helper.h" +#include "exynos_drm_crtc.h" #include "exynos_drm_drv.h" #include "exynos_drm_fb.h" #include "exynos_drm_encoder.h" +#include "exynos_drm_gem.h" #include "exynos_drm_buf.h" #define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc,\ drm_crtc) -/* - * Exynos specific crtc postion structure. - * - * @fb_x: offset x on a framebuffer to be displyed - * - the unit is screen coordinates. - * @fb_y: offset y on a framebuffer to be displayed - * - the unit is screen coordinates. - * @crtc_x: offset x on hardware screen. - * @crtc_y: offset y on hardware screen. - * @crtc_w: width of hardware screen. - * @crtc_h: height of hardware screen. - */ -struct exynos_drm_crtc_pos { - unsigned int fb_x; - unsigned int fb_y; - unsigned int crtc_x; - unsigned int crtc_y; - unsigned int crtc_w; - unsigned int crtc_h; -}; - /* * Exynos specific crtc structure. * @@ -89,27 +70,27 @@ static void exynos_drm_crtc_apply(struct drm_crtc *crtc) exynos_drm_encoder_crtc_commit); } -static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, - struct drm_framebuffer *fb, - struct drm_display_mode *mode, - struct exynos_drm_crtc_pos *pos) +int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, + struct drm_framebuffer *fb, + struct drm_display_mode *mode, + struct exynos_drm_crtc_pos *pos) { - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; unsigned int actual_w; unsigned int actual_h; - entry = exynos_drm_fb_get_buf(fb); - if (!entry) { - DRM_LOG_KMS("entry is null.\n"); + buffer = exynos_drm_fb_get_buf(fb); + if (!buffer) { + DRM_LOG_KMS("buffer is null.\n"); return -EFAULT; } - overlay->paddr = entry->paddr; - overlay->vaddr = entry->vaddr; + overlay->dma_addr = buffer->dma_addr; + overlay->vaddr = buffer->kvaddr; - DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n", + DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n", (unsigned long)overlay->vaddr, - (unsigned long)overlay->paddr); + (unsigned long)overlay->dma_addr); actual_w = min((mode->hdisplay - pos->crtc_x), pos->crtc_w); actual_h = min((mode->vdisplay - pos->crtc_y), pos->crtc_h); diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h index c584042d6d2c..25f72a62cb88 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h @@ -35,4 +35,29 @@ int exynos_drm_crtc_create(struct drm_device *dev, unsigned int nr); int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int crtc); void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int crtc); +/* + * Exynos specific crtc postion structure. + * + * @fb_x: offset x on a framebuffer to be displyed + * - the unit is screen coordinates. + * @fb_y: offset y on a framebuffer to be displayed + * - the unit is screen coordinates. + * @crtc_x: offset x on hardware screen. + * @crtc_y: offset y on hardware screen. + * @crtc_w: width of hardware screen. + * @crtc_h: height of hardware screen. + */ +struct exynos_drm_crtc_pos { + unsigned int fb_x; + unsigned int fb_y; + unsigned int crtc_x; + unsigned int crtc_y; + unsigned int crtc_w; + unsigned int crtc_h; +}; + +int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay, + struct drm_framebuffer *fb, + struct drm_display_mode *mode, + struct exynos_drm_crtc_pos *pos); #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 1575e5fef51e..38a6f1df75c6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -79,8 +79,8 @@ struct exynos_drm_overlay_ops { * @scan_flag: interlace or progressive way. * (it could be DRM_MODE_FLAG_*) * @bpp: pixel size.(in bit) - * @paddr: bus(accessed by dma) physical memory address to this overlay - * and this is physically continuous. + * @dma_addr: bus(accessed by dma) address to the memory region allocated + * for a overlay. * @vaddr: virtual memory addresss to this overlay. * @default_win: a window to be enabled. * @color_key: color key on or off. @@ -108,7 +108,7 @@ struct exynos_drm_overlay { unsigned int scan_flag; unsigned int bpp; unsigned int pitch; - dma_addr_t paddr; + dma_addr_t dma_addr; void __iomem *vaddr; bool default_win; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 8d0f66224045..5bf4a1ac7f82 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -43,14 +43,14 @@ * * @fb: drm framebuffer obejct. * @exynos_gem_obj: exynos specific gem object containing a gem object. - * @entry: pointer to exynos drm buffer entry object. - * - containing only the information to physically continuous memory - * region allocated at default framebuffer creation. + * @buffer: pointer to exynos_drm_gem_buffer object. + * - contain the memory information to memory region allocated + * at default framebuffer creation. */ struct exynos_drm_fb { struct drm_framebuffer fb; struct exynos_drm_gem_obj *exynos_gem_obj; - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; }; static void exynos_drm_fb_destroy(struct drm_framebuffer *fb) @@ -65,8 +65,8 @@ static void exynos_drm_fb_destroy(struct drm_framebuffer *fb) * default framebuffer has no gem object so * a buffer of the default framebuffer should be released at here. */ - if (!exynos_fb->exynos_gem_obj && exynos_fb->entry) - exynos_drm_buf_destroy(fb->dev, exynos_fb->entry); + if (!exynos_fb->exynos_gem_obj && exynos_fb->buffer) + exynos_drm_buf_destroy(fb->dev, exynos_fb->buffer); kfree(exynos_fb); exynos_fb = NULL; @@ -145,23 +145,23 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev, */ if (!mode_cmd->handle) { if (!file_priv) { - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; /* * in case that file_priv is NULL, it allocates * only buffer and this buffer would be used * for default framebuffer. */ - entry = exynos_drm_buf_create(dev, size); - if (IS_ERR(entry)) { - ret = PTR_ERR(entry); + buffer = exynos_drm_buf_create(dev, size); + if (IS_ERR(buffer)) { + ret = PTR_ERR(buffer); goto err_buffer; } - exynos_fb->entry = entry; + exynos_fb->buffer = buffer; - DRM_LOG_KMS("default fb: paddr = 0x%lx, size = 0x%x\n", - (unsigned long)entry->paddr, size); + DRM_LOG_KMS("default: dma_addr = 0x%lx, size = 0x%x\n", + (unsigned long)buffer->dma_addr, size); goto out; } else { @@ -191,10 +191,10 @@ exynos_drm_fb_init(struct drm_file *file_priv, struct drm_device *dev, * so that default framebuffer has no its own gem object, * only its own buffer object. */ - exynos_fb->entry = exynos_gem_obj->entry; + exynos_fb->buffer = exynos_gem_obj->buffer; - DRM_LOG_KMS("paddr = 0x%lx, size = 0x%x, gem object = 0x%x\n", - (unsigned long)exynos_fb->entry->paddr, size, + DRM_LOG_KMS("dma_addr = 0x%lx, size = 0x%x, gem object = 0x%x\n", + (unsigned long)exynos_fb->buffer->dma_addr, size, (unsigned int)&exynos_gem_obj->base); out: @@ -222,22 +222,22 @@ struct drm_framebuffer *exynos_drm_fb_create(struct drm_device *dev, return exynos_drm_fb_init(file_priv, dev, mode_cmd); } -struct exynos_drm_buf_entry *exynos_drm_fb_get_buf(struct drm_framebuffer *fb) +struct exynos_drm_gem_buf *exynos_drm_fb_get_buf(struct drm_framebuffer *fb) { struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb); - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; DRM_DEBUG_KMS("%s\n", __FILE__); - entry = exynos_fb->entry; - if (!entry) + buffer = exynos_fb->buffer; + if (!buffer) return NULL; - DRM_DEBUG_KMS("vaddr = 0x%lx, paddr = 0x%lx\n", - (unsigned long)entry->vaddr, - (unsigned long)entry->paddr); + DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n", + (unsigned long)buffer->kvaddr, + (unsigned long)buffer->dma_addr); - return entry; + return buffer; } static void exynos_drm_output_poll_changed(struct drm_device *dev) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 0effd77d569b..836f41008187 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -33,6 +33,7 @@ #include "exynos_drm_drv.h" #include "exynos_drm_fb.h" +#include "exynos_drm_gem.h" #include "exynos_drm_buf.h" #define MAX_CONNECTOR 4 @@ -90,7 +91,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, struct fb_info *fbi = helper->fbdev; struct drm_device *dev = helper->dev; struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper); - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3); unsigned long offset; @@ -101,18 +102,18 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth); drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height); - entry = exynos_drm_fb_get_buf(fb); - if (!entry) { - DRM_LOG_KMS("entry is null.\n"); + buffer = exynos_drm_fb_get_buf(fb); + if (!buffer) { + DRM_LOG_KMS("buffer is null.\n"); return -EFAULT; } offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3); offset += fbi->var.yoffset * fb->pitch; - dev->mode_config.fb_base = entry->paddr; - fbi->screen_base = entry->vaddr + offset; - fbi->fix.smem_start = entry->paddr + offset; + dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr; + fbi->screen_base = buffer->kvaddr + offset; + fbi->fix.smem_start = (unsigned long)(buffer->dma_addr + offset); fbi->screen_size = size; fbi->fix.smem_len = size; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index f2d883f2999e..f5c8b072e497 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -64,7 +64,7 @@ struct fimd_win_data { unsigned int fb_width; unsigned int fb_height; unsigned int bpp; - dma_addr_t paddr; + dma_addr_t dma_addr; void __iomem *vaddr; unsigned int buf_offsize; unsigned int line_size; /* bytes */ @@ -251,7 +251,7 @@ static void fimd_win_mode_set(struct device *dev, win_data->ovl_height = overlay->crtc_height; win_data->fb_width = overlay->fb_width; win_data->fb_height = overlay->fb_height; - win_data->paddr = overlay->paddr + offset; + win_data->dma_addr = overlay->dma_addr + offset; win_data->vaddr = overlay->vaddr + offset; win_data->bpp = overlay->bpp; win_data->buf_offsize = (overlay->fb_width - overlay->crtc_width) * @@ -263,7 +263,7 @@ static void fimd_win_mode_set(struct device *dev, DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n", win_data->ovl_width, win_data->ovl_height); DRM_DEBUG_KMS("paddr = 0x%lx, vaddr = 0x%lx\n", - (unsigned long)win_data->paddr, + (unsigned long)win_data->dma_addr, (unsigned long)win_data->vaddr); DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n", overlay->fb_width, overlay->crtc_width); @@ -376,16 +376,16 @@ static void fimd_win_commit(struct device *dev) writel(val, ctx->regs + SHADOWCON); /* buffer start address */ - val = win_data->paddr; + val = (unsigned long)win_data->dma_addr; writel(val, ctx->regs + VIDWx_BUF_START(win, 0)); /* buffer end address */ size = win_data->fb_width * win_data->ovl_height * (win_data->bpp >> 3); - val = win_data->paddr + size; + val = (unsigned long)(win_data->dma_addr + size); writel(val, ctx->regs + VIDWx_BUF_END(win, 0)); DRM_DEBUG_KMS("start addr = 0x%lx, end addr = 0x%lx, size = 0x%lx\n", - (unsigned long)win_data->paddr, val, size); + (unsigned long)win_data->dma_addr, val, size); DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n", win_data->ovl_width, win_data->ovl_height); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index bd6ede83b684..b1b94b1e4400 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -127,15 +127,15 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, { struct exynos_drm_gem_obj *exynos_gem_obj = NULL; - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; int ret; size = roundup(size, PAGE_SIZE); DRM_DEBUG_KMS("%s: size = 0x%lx\n", __FILE__, size); - entry = exynos_drm_buf_create(dev, size); - if (!entry) + buffer = exynos_drm_buf_create(dev, size); + if (!buffer) return ERR_PTR(-ENOMEM); exynos_gem_obj = exynos_drm_gem_init(dev, file_priv, handle, size); @@ -144,12 +144,12 @@ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, goto err_gem_init; } - exynos_gem_obj->entry = entry; + exynos_gem_obj->buffer = buffer; return exynos_gem_obj; err_gem_init: - exynos_drm_buf_destroy(dev, exynos_gem_obj->entry); + exynos_drm_buf_destroy(dev, exynos_gem_obj->buffer); return ERR_PTR(ret); } @@ -194,7 +194,7 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp, { struct drm_gem_object *obj = filp->private_data; struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; unsigned long pfn, vm_size; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -206,20 +206,20 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp, vm_size = vma->vm_end - vma->vm_start; /* - * a entry contains information to physically continuous memory + * a buffer contains information to physically continuous memory * allocated by user request or at framebuffer creation. */ - entry = exynos_gem_obj->entry; + buffer = exynos_gem_obj->buffer; /* check if user-requested size is valid. */ - if (vm_size > entry->size) + if (vm_size > buffer->size) return -EINVAL; /* * get page frame number to physical memory to be mapped * to user space. */ - pfn = exynos_gem_obj->entry->paddr >> PAGE_SHIFT; + pfn = ((unsigned long)exynos_gem_obj->buffer->dma_addr) >> PAGE_SHIFT; DRM_DEBUG_KMS("pfn = 0x%lx\n", pfn); @@ -300,7 +300,7 @@ void exynos_drm_gem_free_object(struct drm_gem_object *gem_obj) exynos_gem_obj = to_exynos_gem_obj(gem_obj); - exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->entry); + exynos_drm_buf_destroy(gem_obj->dev, exynos_gem_obj->buffer); kfree(exynos_gem_obj); } @@ -379,7 +379,8 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) mutex_lock(&dev->struct_mutex); - pfn = (exynos_gem_obj->entry->paddr >> PAGE_SHIFT) + page_offset; + pfn = (((unsigned long)exynos_gem_obj->buffer->dma_addr) >> + PAGE_SHIFT) + page_offset; ret = vm_insert_mixed(vma, (unsigned long)vmf->virtual_address, pfn); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 213838d9606e..ef8797334e6d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -29,14 +29,30 @@ #define to_exynos_gem_obj(x) container_of(x,\ struct exynos_drm_gem_obj, base) +/* + * exynos drm gem buffer structure. + * + * @kvaddr: kernel virtual address to allocated memory region. + * @dma_addr: bus address(accessed by dma) to allocated memory region. + * - this address could be physical address without IOMMU and + * device address with IOMMU. + * @size: size of allocated memory region. + */ +struct exynos_drm_gem_buf { + void __iomem *kvaddr; + dma_addr_t dma_addr; + unsigned long size; +}; + /* * exynos drm buffer structure. * * @base: a gem object. * - a new handle to this gem object would be created * by drm_gem_handle_create(). - * @entry: pointer to exynos drm buffer entry object. - * - containing the information to physically + * @buffer: a pointer to exynos_drm_gem_buffer object. + * - contain the information to memory region allocated + * by user request or at framebuffer creation. * continuous memory region allocated by user request * or at framebuffer creation. * @@ -45,7 +61,7 @@ */ struct exynos_drm_gem_obj { struct drm_gem_object base; - struct exynos_drm_buf_entry *entry; + struct exynos_drm_gem_buf *buffer; }; /* create a new buffer and get a new gem handle. */ -- cgit v1.2.3 From 4f9eb94f7be3d357e811ec74a53027bd27f1748f Mon Sep 17 00:00:00 2001 From: Inki Dae Date: Sat, 12 Nov 2011 16:57:42 +0900 Subject: drm/exynos: include linux/module.h Signed-off-by: Inki Dae Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_drm_drv.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h') diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 38a6f1df75c6..2d74f8550e20 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -29,6 +29,7 @@ #ifndef _EXYNOS_DRM_DRV_H_ #define _EXYNOS_DRM_DRV_H_ +#include #include "drm.h" #define MAX_CRTC 2 -- cgit v1.2.3 From 396464dfbba8f734c57346489b871e7ed64dcdd1 Mon Sep 17 00:00:00 2001 From: Joonyoung Shim Date: Mon, 14 Nov 2011 15:20:49 +0900 Subject: drm/exynos: Add disable of manager Signed-off-by: Joonyoung Shim Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_drv.h | 2 + drivers/gpu/drm/exynos/exynos_drm_encoder.c | 18 +++++++++ drivers/gpu/drm/exynos/exynos_drm_fimd.c | 61 +++++++++++++++++------------ 3 files changed, 55 insertions(+), 26 deletions(-) (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h') diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 2d74f8550e20..5e02e6ecc2e0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -147,12 +147,14 @@ struct exynos_drm_display_ops { * @mode_set: convert drm_display_mode to hw specific display mode and * would be called by encoder->mode_set(). * @commit: set current hw specific display mode to hw. + * @disable: disable hardware specific display mode. * @enable_vblank: specific driver callback for enabling vblank interrupt. * @disable_vblank: specific driver callback for disabling vblank interrupt. */ struct exynos_drm_manager_ops { void (*mode_set)(struct device *subdrv_dev, void *mode); void (*commit)(struct device *subdrv_dev); + void (*disable)(struct device *subdrv_dev); int (*enable_vblank)(struct device *subdrv_dev); void (*disable_vblank)(struct device *subdrv_dev); }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index 866f419f485b..153061415baf 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -53,9 +53,27 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) struct drm_device *dev = encoder->dev; struct drm_connector *connector; struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder); + struct exynos_drm_manager_ops *manager_ops = manager->ops; DRM_DEBUG_KMS("%s, encoder dpms: %d\n", __FILE__, mode); + switch (mode) { + case DRM_MODE_DPMS_ON: + if (manager_ops && manager_ops->commit) + manager_ops->commit(manager->dev); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + /* TODO */ + if (manager_ops && manager_ops->disable) + manager_ops->disable(manager->dev); + break; + default: + DRM_ERROR("unspecified mode %d\n", mode); + break; + } + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { if (connector->encoder == encoder) { struct exynos_drm_display_ops *display_ops = diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 272c3b53c062..db3b3d9e731d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -177,6 +177,40 @@ static void fimd_commit(struct device *dev) writel(val, ctx->regs + VIDCON0); } +static void fimd_disable(struct device *dev) +{ + struct fimd_context *ctx = get_fimd_context(dev); + struct exynos_drm_subdrv *subdrv = &ctx->subdrv; + struct drm_device *drm_dev = subdrv->drm_dev; + struct exynos_drm_manager *manager = &subdrv->manager; + u32 val; + + DRM_DEBUG_KMS("%s\n", __FILE__); + + /* fimd dma off */ + val = readl(ctx->regs + VIDCON0); + val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F); + writel(val, ctx->regs + VIDCON0); + + /* + * if vblank is enabled status with dma off then + * it disables vsync interrupt. + */ + if (drm_dev->vblank_enabled[manager->pipe] && + atomic_read(&drm_dev->vblank_refcount[manager->pipe])) { + drm_vblank_put(drm_dev, manager->pipe); + + /* + * if vblank_disable_allowed is 0 then disable + * vsync interrupt right now else the vsync interrupt + * would be disabled by drm timer once a current process + * gives up ownershop of vblank event. + */ + if (!drm_dev->vblank_disable_allowed) + drm_vblank_off(drm_dev, manager->pipe); + } +} + static int fimd_enable_vblank(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); @@ -220,6 +254,7 @@ static void fimd_disable_vblank(struct device *dev) static struct exynos_drm_manager_ops fimd_manager_ops = { .commit = fimd_commit, + .disable = fimd_disable, .enable_vblank = fimd_enable_vblank, .disable_vblank = fimd_disable_vblank, }; @@ -447,9 +482,6 @@ static void fimd_win_commit(struct device *dev) static void fimd_win_disable(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); - struct exynos_drm_subdrv *subdrv = &ctx->subdrv; - struct drm_device *drm_dev = subdrv->drm_dev; - struct exynos_drm_manager *manager = &subdrv->manager; int win = ctx->default_win; u32 val; @@ -473,29 +505,6 @@ static void fimd_win_disable(struct device *dev) val &= ~SHADOWCON_CHx_ENABLE(win); val &= ~SHADOWCON_WINx_PROTECT(win); writel(val, ctx->regs + SHADOWCON); - - /* fimd dma off. */ - val = readl(ctx->regs + VIDCON0); - val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F); - writel(val, ctx->regs + VIDCON0); - - /* - * if vblank is enabled status with dma off then - * it disables vsync interrupt. - */ - if (drm_dev->vblank_enabled[manager->pipe] && - atomic_read(&drm_dev->vblank_refcount[manager->pipe])) { - drm_vblank_put(drm_dev, manager->pipe); - - /* - * if vblank_disable_allowed is 0 then disable vsync interrupt - * right now else the vsync interrupt would be disabled by drm - * timer once a current process gives up ownershop of - * vblank event. - */ - if (!drm_dev->vblank_disable_allowed) - drm_vblank_off(drm_dev, manager->pipe); - } } static struct exynos_drm_overlay_ops fimd_overlay_ops = { -- cgit v1.2.3