From 85a359f2538882ec2a02f2331ad56a2cae3bb014 Mon Sep 17 00:00:00 2001 From: Tomasz Figa Date: Mon, 11 May 2015 19:55:39 +0900 Subject: [PATCH 1/6] drm/rockchip: Add BGR formats to VOP VOP can support BGR formats in all windows thanks to red/blue swap option provided in WINx_CTRL0 registers. This patch enables support for ABGR8888, XBGR8888, BGR888 and BGR565 formats by using this feature. Signed-off-by: Tomasz Figa --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 33 +++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 4557f335a8a5..6254e985aff5 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -169,6 +169,7 @@ struct vop_win_phy { struct vop_reg enable; struct vop_reg format; + struct vop_reg rb_swap; struct vop_reg act_info; struct vop_reg dsp_info; struct vop_reg dsp_st; @@ -198,8 +199,12 @@ struct vop_data { static const uint32_t formats_01[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, DRM_FORMAT_NV12, DRM_FORMAT_NV16, DRM_FORMAT_NV24, @@ -208,8 +213,12 @@ static const uint32_t formats_01[] = { static const uint32_t formats_234[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, }; static const struct vop_win_phy win01_data = { @@ -217,6 +226,7 @@ static const struct vop_win_phy win01_data = { .nformats = ARRAY_SIZE(formats_01), .enable = VOP_REG(WIN0_CTRL0, 0x1, 0), .format = VOP_REG(WIN0_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(WIN0_CTRL0, 0x1, 12), .act_info = VOP_REG(WIN0_ACT_INFO, 0x1fff1fff, 0), .dsp_info = VOP_REG(WIN0_DSP_INFO, 0x0fff0fff, 0), .dsp_st = VOP_REG(WIN0_DSP_ST, 0x1fff1fff, 0), @@ -233,6 +243,7 @@ static const struct vop_win_phy win23_data = { .nformats = ARRAY_SIZE(formats_234), .enable = VOP_REG(WIN2_CTRL0, 0x1, 0), .format = VOP_REG(WIN2_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(WIN2_CTRL0, 0x1, 12), .dsp_info = VOP_REG(WIN2_DSP_INFO0, 0x0fff0fff, 0), .dsp_st = VOP_REG(WIN2_DSP_ST0, 0x1fff1fff, 0), .yrgb_mst = VOP_REG(WIN2_MST0, 0xffffffff, 0), @@ -246,6 +257,7 @@ static const struct vop_win_phy cursor_data = { .nformats = ARRAY_SIZE(formats_234), .enable = VOP_REG(HWC_CTRL0, 0x1, 0), .format = VOP_REG(HWC_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(HWC_CTRL0, 0x1, 12), .dsp_st = VOP_REG(HWC_DSP_ST, 0x1fff1fff, 0), .yrgb_mst = VOP_REG(HWC_MST, 0xffffffff, 0), }; @@ -351,15 +363,32 @@ static inline void vop_mask_write_relaxed(struct vop *vop, uint32_t offset, } } +static bool has_rb_swapped(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_BGR888: + case DRM_FORMAT_BGR565: + return true; + default: + return false; + } +} + static enum vop_data_format vop_convert_format(uint32_t format) { switch (format) { case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: return VOP_FMT_ARGB8888; case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: return VOP_FMT_RGB888; case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: return VOP_FMT_RGB565; case DRM_FORMAT_NV12: return VOP_FMT_YUV420SP; @@ -377,6 +406,7 @@ static bool is_alpha_support(uint32_t format) { switch (format) { case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ABGR8888: return true; default: return false; @@ -587,6 +617,7 @@ static int vop_update_plane_event(struct drm_plane *plane, enum vop_data_format format; uint32_t val; bool is_alpha; + bool rb_swap; bool visible; int ret; struct drm_rect dest = { @@ -620,6 +651,7 @@ static int vop_update_plane_event(struct drm_plane *plane, return 0; is_alpha = is_alpha_support(fb->pixel_format); + rb_swap = has_rb_swapped(fb->pixel_format); format = vop_convert_format(fb->pixel_format); if (format < 0) return format; @@ -688,6 +720,7 @@ static int vop_update_plane_event(struct drm_plane *plane, val = (dsp_sty - 1) << 16; val |= (dsp_stx - 1) & 0xffff; VOP_WIN_SET(vop, win, dsp_st, val); + VOP_WIN_SET(vop, win, rb_swap, rb_swap); if (is_alpha) { VOP_WIN_SET(vop, win, dst_alpha_ctl, From 765c35bbd267e93eabe15a94534688ddaa0b9dc7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Heiko=20St=C3=BCbner?= Date: Tue, 2 Jun 2015 16:41:45 +0200 Subject: [PATCH 2/6] drm/rockchip: only call drm_fb_helper_hotplug_event if fb_helper present Add a check for the presence of fb_helper to rockchip_drm_output_poll_changed() to only call drm_fb_helper_hotplug_event if there is actually a fb_helper available. Without this check I see NULL pointer dereferences when the hdmi hotplug irq fires before the fb_helper got initialized. Signed-off-by: Heiko Stuebner --- drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 77d52893d40f..002645bb5bbf 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -162,7 +162,8 @@ static void rockchip_drm_output_poll_changed(struct drm_device *dev) struct rockchip_drm_private *private = dev->dev_private; struct drm_fb_helper *fb_helper = &private->fbdev_helper; - drm_fb_helper_hotplug_event(fb_helper); + if (fb_helper) + drm_fb_helper_hotplug_event(fb_helper); } static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { From 8915bf2028534832d02e0345cc5a8c0a2bae0924 Mon Sep 17 00:00:00 2001 From: Daniel Kurtz Date: Tue, 7 Jul 2015 17:03:36 +0800 Subject: [PATCH 3/6] drm/rockchip: use drm_gem_mmap helpers Rather than (incompletely [0]) re-implementing drm_gem_mmap() and drm_gem_mmap_obj() helpers, call them directly from the rockchip mmap routines. Once the core functions return successfully, the rockchip mmap routines can still use dma_mmap_attrs() to simply mmap the entire buffer. [0] Previously, we were performing the mmap() without first taking a reference on the underlying gem buffer. This could leak ptes if the gem object is destroyed while userspace is still holding the mapping. Signed-off-by: Daniel Kurtz Reviewed-by: Daniel Vetter Cc: stable@vger.kernel.org --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 67 +++++++++++---------- 1 file changed, 34 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index eb2282cc4a56..eba5f8a52fbd 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -54,55 +54,56 @@ static void rockchip_gem_free_buf(struct rockchip_gem_object *rk_obj) &rk_obj->dma_attrs); } +static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma) + +{ + int ret; + struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); + struct drm_device *drm = obj->dev; + + /* + * dma_alloc_attrs() allocated a struct page table for rk_obj, so clear + * VM_PFNMAP flag that was set by drm_gem_mmap_obj()/drm_gem_mmap(). + */ + vma->vm_flags &= ~VM_PFNMAP; + + ret = dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, + obj->size, &rk_obj->dma_attrs); + if (ret) + drm_gem_vm_close(vma); + + return ret; +} + int rockchip_gem_mmap_buf(struct drm_gem_object *obj, struct vm_area_struct *vma) { - struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); struct drm_device *drm = obj->dev; - unsigned long vm_size; + int ret; - vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; - vm_size = vma->vm_end - vma->vm_start; + mutex_lock(&drm->struct_mutex); + ret = drm_gem_mmap_obj(obj, obj->size, vma); + mutex_unlock(&drm->struct_mutex); + if (ret) + return ret; - if (vm_size > obj->size) - return -EINVAL; - - return dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, - obj->size, &rk_obj->dma_attrs); + return rockchip_drm_gem_object_mmap(obj, vma); } /* drm driver mmap file operations */ int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->minor->dev; struct drm_gem_object *obj; - struct drm_vma_offset_node *node; int ret; - if (drm_device_is_unplugged(dev)) - return -ENODEV; + ret = drm_gem_mmap(filp, vma); + if (ret) + return ret; - mutex_lock(&dev->struct_mutex); + obj = vma->vm_private_data; - node = drm_vma_offset_exact_lookup(dev->vma_offset_manager, - vma->vm_pgoff, - vma_pages(vma)); - if (!node) { - mutex_unlock(&dev->struct_mutex); - DRM_ERROR("failed to find vma node.\n"); - return -EINVAL; - } else if (!drm_vma_node_is_allowed(node, filp)) { - mutex_unlock(&dev->struct_mutex); - return -EACCES; - } - - obj = container_of(node, struct drm_gem_object, vma_node); - ret = rockchip_gem_mmap_buf(obj, vma); - - mutex_unlock(&dev->struct_mutex); - - return ret; + return rockchip_drm_gem_object_mmap(obj, vma); } struct rockchip_gem_object * From 43b6c9bda1bdf2db556e39e614f9f54da5de4eac Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Fri, 10 Jul 2015 19:37:33 +0900 Subject: [PATCH 4/6] drm/rockchip: Drop owner assignment from platform_driver platform_driver does not need to set an owner because platform_driver_register() will set it. Signed-off-by: Krzysztof Kozlowski --- drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 3962176ee713..116fb9fe433e 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -554,7 +554,6 @@ static struct platform_driver rockchip_drm_platform_driver = { .probe = rockchip_drm_platform_probe, .remove = rockchip_drm_platform_remove, .driver = { - .owner = THIS_MODULE, .name = "rockchip-drm", .of_match_table = rockchip_drm_dt_ids, .pm = &rockchip_drm_pm_ops, From d3cae7df5b44d5b4dd7bcaf3a73382c8c10de83b Mon Sep 17 00:00:00 2001 From: yao mark Date: Fri, 26 Jun 2015 18:07:28 +0800 Subject: [PATCH 5/6] drm/rockchip: vop: switch cursor plane to window 3 Window 1 support scale and yuv format, it's waste use it for a cursor, use window 3 is enough. Signed-off-by: Mark Yao Reviewed-by: Tomasz Figa --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 6254e985aff5..65fde4b42662 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -293,13 +293,14 @@ static const struct vop_reg_data vop_init_reg_table[] = { /* * Note: rk3288 has a dedicated 'cursor' window, however, that window requires * special support to get alpha blending working. For now, just use overlay - * window 1 for the drm cursor. + * window 3 for the drm cursor. + * */ static const struct vop_win_data rk3288_vop_win_data[] = { { .base = 0x00, .phy = &win01_data, .type = DRM_PLANE_TYPE_PRIMARY }, - { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_CURSOR }, + { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_OVERLAY }, { .base = 0x00, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, - { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_CURSOR }, { .base = 0x00, .phy = &cursor_data, .type = DRM_PLANE_TYPE_OVERLAY }, }; From 0915da7dd75f0f5f38dc9b82415417e7a2b40385 Mon Sep 17 00:00:00 2001 From: yao mark Date: Thu, 2 Jul 2015 15:07:31 +0800 Subject: [PATCH 6/6] drm/rockchip: vop: remove hardware cursor window hardware cursor windows only have some fixed size, and not support width virtual, when move hardware cursor windows outside of left, the display would be wrong, so this window can't for cursor now. And Tag hardware cursor window as a overlay is wrong, will make userspace wrong behaviour. So just remove the hardware cursor window Signed-off-by: Mark Yao --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 65fde4b42662..bd537fbbff80 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -252,16 +252,6 @@ static const struct vop_win_phy win23_data = { .dst_alpha_ctl = VOP_REG(WIN2_DST_ALPHA_CTRL, 0xff, 0), }; -static const struct vop_win_phy cursor_data = { - .data_formats = formats_234, - .nformats = ARRAY_SIZE(formats_234), - .enable = VOP_REG(HWC_CTRL0, 0x1, 0), - .format = VOP_REG(HWC_CTRL0, 0x7, 1), - .rb_swap = VOP_REG(HWC_CTRL0, 0x1, 12), - .dsp_st = VOP_REG(HWC_DSP_ST, 0x1fff1fff, 0), - .yrgb_mst = VOP_REG(HWC_MST, 0xffffffff, 0), -}; - static const struct vop_ctrl ctrl_data = { .standby = VOP_REG(SYS_CTRL, 0x1, 22), .gate_en = VOP_REG(SYS_CTRL, 0x1, 23), @@ -301,7 +291,6 @@ static const struct vop_win_data rk3288_vop_win_data[] = { { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_OVERLAY }, { .base = 0x00, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_CURSOR }, - { .base = 0x00, .phy = &cursor_data, .type = DRM_PLANE_TYPE_OVERLAY }, }; static const struct vop_data rk3288_vop = {