static void
ivb_disable_plane(struct drm_plane *plane)
{
struct drm_device *dev = plane->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_plane *intel_plane = to_intel_plane(plane);
int pipe = intel_plane->pipe;
I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
/* Can't leave the scaler enabled... */
I915_WRITE(SPRSCALE(pipe), 0);
/* Activate double buffered register update */
I915_WRITE(SPRSURF(pipe), 0);
POSTING_READ(SPRSURF(pipe));
}
static void
ivb_disable_plane(struct drm_plane *plane)
{
struct drm_device *dev = plane->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_plane *intel_plane = to_intel_plane(plane);
int pipe = intel_plane->pipe;
I915_WRITE(SPRCTL(pipe), I915_READ(SPRCTL(pipe)) & ~SPRITE_ENABLE);
/* Can't leave the scaler enabled... */
if (intel_plane->can_scale)
I915_WRITE(SPRSCALE(pipe), 0);
/* Activate double buffered register update */
I915_MODIFY_DISPBASE(SPRSURF(pipe), 0);
POSTING_READ(SPRSURF(pipe));
dev_priv->sprite_scaling_enabled = false;
intel_update_watermarks(dev);
}
static void
ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t x, uint32_t y,
uint32_t src_w, uint32_t src_h)
{
struct drm_device *dev = plane->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_plane *intel_plane = to_intel_plane(plane);
int pipe = intel_plane->pipe;
u32 sprctl, sprscale = 0;
int pixel_size;
sprctl = I915_READ(SPRCTL(pipe));
/* Mask out pixel format bits in case we change it */
sprctl &= ~SPRITE_PIXFORMAT_MASK;
sprctl &= ~SPRITE_RGB_ORDER_RGBX;
sprctl &= ~SPRITE_YUV_BYTE_ORDER_MASK;
switch (fb->pixel_format) {
case DRM_FORMAT_XBGR8888:
sprctl |= SPRITE_FORMAT_RGBX888;
pixel_size = 4;
break;
case DRM_FORMAT_XRGB8888:
sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
pixel_size = 4;
break;
case DRM_FORMAT_YUYV:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
pixel_size = 2;
break;
case DRM_FORMAT_YVYU:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
pixel_size = 2;
break;
case DRM_FORMAT_UYVY:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
pixel_size = 2;
break;
case DRM_FORMAT_VYUY:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
pixel_size = 2;
break;
default:
DRM_DEBUG_DRIVER("bad pixel format, assuming RGBX888\n");
sprctl |= DVS_FORMAT_RGBX888;
pixel_size = 4;
break;
}
if (obj->tiling_mode != I915_TILING_NONE)
sprctl |= SPRITE_TILED;
/* must disable */
sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
sprctl |= SPRITE_ENABLE;
/* Sizes are 0 based */
src_w--;
src_h--;
crtc_w--;
crtc_h--;
intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size);
/*
* IVB workaround: must disable low power watermarks for at least
* one frame before enabling scaling. LP watermarks can be re-enabled
* when scaling is disabled.
*/
if (crtc_w != src_w || crtc_h != src_h) {
if (!dev_priv->sprite_scaling_enabled) {
dev_priv->sprite_scaling_enabled = true;
intel_update_watermarks(dev);
intel_wait_for_vblank(dev, pipe);
}
sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
} else {
if (dev_priv->sprite_scaling_enabled) {
dev_priv->sprite_scaling_enabled = false;
/* potentially re-enable LP watermarks */
intel_update_watermarks(dev);
}
}
I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
if (obj->tiling_mode != I915_TILING_NONE) {
I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
} else {
unsigned long offset;
offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
I915_WRITE(SPRLINOFF(pipe), offset);
}
I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
I915_WRITE(SPRSCALE(pipe), sprscale);
I915_WRITE(SPRCTL(pipe), sprctl);
I915_MODIFY_DISPBASE(SPRSURF(pipe), obj->gtt_offset);
POSTING_READ(SPRSURF(pipe));
}
static void
ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
struct drm_i915_gem_object *obj, int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t x, uint32_t y,
uint32_t src_w, uint32_t src_h)
{
struct drm_device *dev = plane->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_plane *intel_plane = to_intel_plane(plane);
int pipe = intel_plane->pipe;
u32 sprctl, sprscale = 0;
unsigned long sprsurf_offset, linear_offset;
int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
bool scaling_was_enabled = dev_priv->sprite_scaling_enabled;
sprctl = I915_READ(SPRCTL(pipe));
/* Mask out pixel format bits in case we change it */
sprctl &= ~SPRITE_PIXFORMAT_MASK;
sprctl &= ~SPRITE_RGB_ORDER_RGBX;
sprctl &= ~SPRITE_YUV_BYTE_ORDER_MASK;
sprctl &= ~SPRITE_TILED;
switch (fb->pixel_format) {
case DRM_FORMAT_XBGR8888:
sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
break;
case DRM_FORMAT_XRGB8888:
sprctl |= SPRITE_FORMAT_RGBX888;
break;
case DRM_FORMAT_YUYV:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
break;
default:
BUG();
}
if (obj->tiling_mode != I915_TILING_NONE)
sprctl |= SPRITE_TILED;
/* must disable */
sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
sprctl |= SPRITE_ENABLE;
if (IS_HASWELL(dev))
sprctl |= SPRITE_PIPE_CSC_ENABLE;
/* Sizes are 0 based */
src_w--;
src_h--;
crtc_w--;
crtc_h--;
intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size);
/*
* IVB workaround: must disable low power watermarks for at least
* one frame before enabling scaling. LP watermarks can be re-enabled
* when scaling is disabled.
*/
if (crtc_w != src_w || crtc_h != src_h) {
dev_priv->sprite_scaling_enabled |= 1 << pipe;
if (!scaling_was_enabled) {
intel_update_watermarks(dev);
intel_wait_for_vblank(dev, pipe);
}
sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
} else
dev_priv->sprite_scaling_enabled &= ~(1 << pipe);
I915_WRITE(SPRSTRIDE(pipe), fb->pitches[0]);
I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
linear_offset = y * fb->pitches[0] + x * pixel_size;
sprsurf_offset =
intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
pixel_size, fb->pitches[0]);
linear_offset -= sprsurf_offset;
/* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
* register */
if (IS_HASWELL(dev))
I915_WRITE(SPROFFSET(pipe), (y << 16) | x);
else if (obj->tiling_mode != I915_TILING_NONE)
I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
else
I915_WRITE(SPRLINOFF(pipe), linear_offset);
I915_WRITE(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
if (intel_plane->can_scale)
I915_WRITE(SPRSCALE(pipe), sprscale);
I915_WRITE(SPRCTL(pipe), sprctl);
I915_MODIFY_DISPBASE(SPRSURF(pipe), obj->gtt_offset + sprsurf_offset);
POSTING_READ(SPRSURF(pipe));
/* potentially re-enable LP watermarks */
if (scaling_was_enabled && !dev_priv->sprite_scaling_enabled)
intel_update_watermarks(dev);
}