Signed-off-by: Francisco Jerez <[email protected]>
---
The same as the previous version but rebased over the latest kernel changes.
drivers/gpu/drm/nouveau/nouveau_hw.h | 10 ++++
drivers/gpu/drm/nouveau/nv04_crtc.c | 95 +++++++++++++++++++++++----------
2 files changed, 76 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.h
b/drivers/gpu/drm/nouveau/nouveau_hw.h
index 9d86461..129345e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hw.h
+++ b/drivers/gpu/drm/nouveau/nouveau_hw.h
@@ -379,6 +379,16 @@ NVLockVgaCrtcs(struct drm_device *dev, bool lock)
return waslocked;
}
+/* nv04 cursor max dimensions of 32x32 (A1R5G5B5) */
+#define NV04_CURSOR_SIZE 32
+/* limit nv10 cursors to 64x64 (ARGB8) (we could go to 64x255) */
+#define NV10_CURSOR_SIZE 64
+
+static inline int nv_cursor_width(struct drm_device *dev)
+{
+ return nv_arch(dev) >= NV_10 ? NV10_CURSOR_SIZE : NV04_CURSOR_SIZE;
+}
+
static inline void
nv_fix_nv40_hw_cursor(struct drm_device *dev, int head)
{
diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c
b/drivers/gpu/drm/nouveau/nv04_crtc.c
index 4e56c25..e4910ea 100644
--- a/drivers/gpu/drm/nouveau/nv04_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
@@ -839,6 +839,64 @@ nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int
y,
return 0;
}
+static void nv04_cursor_upload(struct drm_device *dev, uint32_t *src, uint16_t
*dst)
+{
+ int width = nv_cursor_width(dev);
+ uint32_t pixel;
+ int i, j;
+
+ for (i = 0; i < width; i++) {
+ for (j = 0; j < width; j++) {
+ pixel = src[i*64 + j];
+
+ dst[i*width + j] = (pixel & 0x80000000) >> 16
+ | (pixel & 0xf80000) >> 9
+ | (pixel & 0xf800) >> 6
+ | (pixel & 0xf8) >> 3;
+ }
+ }
+}
+
+static void nv11_cursor_upload(struct drm_device *dev, uint32_t *src, uint32_t
*dst)
+{
+ uint32_t pixel;
+ int alpha, i;
+
+ /* nv11+ supports premultiplied (PM), or non-premultiplied (NPM) alpha
+ * cursors (though NPM in combination with fp dithering may not work on
+ * nv11, from "nv" driver history)
+ * NPM mode needs NV_PCRTC_CURSOR_CONFIG_ALPHA_BLEND set and is what the
+ * blob uses, however we get given PM cursors so we use PM mode
+ */
+ for (i = 0; i < 64 * 64; i++) {
+ pixel = *src++;
+
+ /* hw gets unhappy if alpha <= rgb values. for a PM image "less
+ * than" shouldn't happen; fix "equal to" case by adding one to
+ * alpha channel (slightly inaccurate, but so is attempting to
+ * get back to NPM images, due to limits of integer precision)
+ */
+ alpha = pixel >> 24;
+ if (alpha > 0 && alpha < 255)
+ pixel = (pixel & 0x00ffffff) | ((alpha + 1) << 24);
+
+#ifdef __BIG_ENDIAN
+ {
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->chipset == 0x11) {
+ pixel = ((pixel & 0x000000ff) << 24) |
+ ((pixel & 0x0000ff00) << 8) |
+ ((pixel & 0x00ff0000) >> 8) |
+ ((pixel & 0xff000000) >> 24);
+ }
+ }
+#endif
+
+ *dst++ = pixel;
+ }
+}
+
static int
nv04_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
uint32_t buffer_handle, uint32_t width, uint32_t height)
@@ -848,7 +906,8 @@ nv04_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file
*file_priv,
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
struct nouveau_bo *cursor = NULL;
struct drm_gem_object *gem;
- int ret = 0, alpha, i;
+ void *src, *dst;
+ int ret = 0;
if (width != 64 || height != 64)
return -EINVAL;
@@ -867,35 +926,13 @@ nv04_crtc_cursor_set(struct drm_crtc *crtc, struct
drm_file *file_priv,
if (ret)
goto out;
- /* nv11+ supports premultiplied (PM), or non-premultiplied (NPM) alpha
- * cursors (though NPM in combination with fp dithering may not work on
- * nv11, from "nv" driver history)
- * NPM mode needs NV_PCRTC_CURSOR_CONFIG_ALPHA_BLEND set and is what the
- * blob uses, however we get given PM cursors so we use PM mode
- */
- for (i = 0; i < 64 * 64; i++) {
- uint32_t pixel = nouveau_bo_rd32(cursor, i);
+ src = cursor->kmap.virtual;
+ dst = nv_crtc->cursor.nvbo->kmap.virtual;
- /* hw gets unhappy if alpha <= rgb values. for a PM image "less
- * than" shouldn't happen; fix "equal to" case by adding one to
- * alpha channel (slightly inaccurate, but so is attempting to
- * get back to NPM images, due to limits of integer precision)
- */
- alpha = pixel >> 24;
- if (alpha > 0 && alpha < 255)
- pixel = (pixel & 0x00ffffff) | ((alpha + 1) << 24);
-
-#ifdef __BIG_ENDIAN
- if (dev_priv->chipset == 0x11) {
- pixel = ((pixel & 0x000000ff) << 24) |
- ((pixel & 0x0000ff00) << 8) |
- ((pixel & 0x00ff0000) >> 8) |
- ((pixel & 0xff000000) >> 24);
- }
-#endif
-
- nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, pixel);
- }
+ if (dev_priv->chipset >= 0x11)
+ nv11_cursor_upload(dev, src, dst);
+ else
+ nv04_cursor_upload(dev, src, dst);
nouveau_bo_unmap(cursor);
nv_crtc->cursor.offset = nv_crtc->cursor.nvbo->bo.offset;
--
1.6.3.3
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