| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1435313249-4549-3-git-send-email-mark.yao@rock-chips.com>
Date: Fri, 26 Jun 2015 18:07:26 +0800
From: Mark Yao <mark.yao@...k-chips.com>
To: dri-devel@...ts.freedesktop.org
Cc: David Airlie <airlied@...ux.ie>, Heiko Stuebner <heiko@...ech.de>,
Daniel Kurtz <djkurtz@...omium.org>,
Mark Yao <mark.yao@...k-chips.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Daniel Vetter <daniel@...ll.ch>,
Rob Clark <robdclark@...il.com>,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
tfiga@...omium.org, sandy.huang@...k-chips.com, dkm@...k-chips.com,
zwl@...k-chips.com, xw@...k-chips.com
Subject: [PATCH v2 2/5] drm/rockchip: vop: fix yuv plane support
vop support yuv with NV12, NV16 and NV24, only 2 plane yuv.
Signed-off-by: Mark Yao <mark.yao@...k-chips.com>
Changes in v2:
- Uv buffer not support odd offset, align it.
- Fix error display when move yuv image.
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 63 ++++++++++++++++++++++++---
1 file changed, 57 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 3c9f4f3..6ca08f8 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -373,6 +373,18 @@ static enum vop_data_format vop_convert_format(uint32_t format)
}
}
+static bool is_yuv_support(uint32_t format)
+{
+ switch (format) {
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV24:
+ return true;
+ default:
+ return false;
+ }
+}
+
static bool is_alpha_support(uint32_t format)
{
switch (format) {
@@ -577,16 +589,21 @@ static int vop_update_plane_event(struct drm_plane *plane,
struct vop *vop = to_vop(crtc);
struct drm_gem_object *obj;
struct rockchip_gem_object *rk_obj;
+ struct drm_gem_object *uv_obj;
+ struct rockchip_gem_object *rk_uv_obj;
unsigned long offset;
unsigned int actual_w;
unsigned int actual_h;
unsigned int dsp_stx;
unsigned int dsp_sty;
unsigned int y_vir_stride;
+ unsigned int uv_vir_stride;
dma_addr_t yrgb_mst;
+ dma_addr_t uv_mst;
enum vop_data_format format;
uint32_t val;
bool is_alpha;
+ bool is_yuv;
bool visible;
int ret;
struct drm_rect dest = {
@@ -608,6 +625,12 @@ static int vop_update_plane_event(struct drm_plane *plane,
};
bool can_position = plane->type != DRM_PLANE_TYPE_PRIMARY;
+ if (drm_format_num_planes(fb->pixel_format) > 2) {
+ DRM_ERROR("unsupport more than 2 plane format[%08x]\n",
+ fb->pixel_format);
+ return -EINVAL;
+ }
+
ret = drm_plane_helper_check_update(plane, crtc, fb,
&src, &dest, &clip,
DRM_PLANE_HELPER_NO_SCALING,
@@ -624,28 +647,52 @@ static int vop_update_plane_event(struct drm_plane *plane,
if (format < 0)
return format;
+ is_yuv = is_yuv_support(fb->pixel_format);
+
obj = rockchip_fb_get_gem_obj(fb, 0);
if (!obj) {
DRM_ERROR("fail to get rockchip gem object from framebuffer\n");
return -EINVAL;
}
+ if (is_yuv) {
+ src.x1 &= (~1) << 16;
+ src.y1 &= (~1) << 16;
+ }
+
rk_obj = to_rockchip_obj(obj);
actual_w = (src.x2 - src.x1) >> 16;
actual_h = (src.y2 - src.y1) >> 16;
- crtc_x = max(0, crtc_x);
- crtc_y = max(0, crtc_y);
- dsp_stx = crtc_x + crtc->mode.htotal - crtc->mode.hsync_start;
- dsp_sty = crtc_y + crtc->mode.vtotal - crtc->mode.vsync_start;
+ dsp_stx = dest.x1 + crtc->mode.htotal - crtc->mode.hsync_start;
+ dsp_sty = dest.y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
- offset = (src.x1 >> 16) * (fb->bits_per_pixel >> 3);
+ offset = (src.x1 >> 16) * drm_format_plane_cpp(fb->pixel_format, 0);
offset += (src.y1 >> 16) * fb->pitches[0];
- yrgb_mst = rk_obj->dma_addr + offset;
+ yrgb_mst = rk_obj->dma_addr + offset + fb->offsets[0];
y_vir_stride = fb->pitches[0] >> 2;
+ if (is_yuv) {
+ int hsub = drm_format_horz_chroma_subsampling(fb->pixel_format);
+ int vsub = drm_format_vert_chroma_subsampling(fb->pixel_format);
+ int bpp = drm_format_plane_cpp(fb->pixel_format, 1);
+
+ uv_obj = rockchip_fb_get_gem_obj(fb, 1);
+ if (!uv_obj) {
+ DRM_ERROR("fail to get uv object from framebuffer\n");
+ return -EINVAL;
+ }
+ rk_uv_obj = to_rockchip_obj(uv_obj);
+ uv_vir_stride = fb->pitches[1] >> 2;
+
+ offset = (src.x1 >> 16) * bpp / hsub;
+ offset += (src.y1 >> 16) * fb->pitches[1] / vsub;
+
+ uv_mst = rk_uv_obj->dma_addr + offset + fb->offsets[1];
+ }
+
/*
* If this plane update changes the plane's framebuffer, (or more
* precisely, if this update has a different framebuffer than the last
@@ -681,6 +728,10 @@ static int vop_update_plane_event(struct drm_plane *plane,
VOP_WIN_SET(vop, win, format, format);
VOP_WIN_SET(vop, win, yrgb_vir, y_vir_stride);
VOP_WIN_SET(vop, win, yrgb_mst, yrgb_mst);
+ if (is_yuv) {
+ VOP_WIN_SET(vop, win, uv_vir, uv_vir_stride);
+ VOP_WIN_SET(vop, win, uv_mst, uv_mst);
+ }
val = (actual_h - 1) << 16;
val |= (actual_w - 1) & 0xffff;
VOP_WIN_SET(vop, win, act_info, val);
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists