diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 1084 |
1 files changed, 0 insertions, 1084 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c deleted file mode 100644 index 1fa5612a4572..000000000000 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ /dev/null @@ -1,1084 +0,0 @@ -/* - * Copyright © 2011 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Authors: - * Jesse Barnes <jbarnes@virtuousgeek.org> - * - * New plane/sprite handling. - * - * The older chips had a separate interface for programming plane related - * registers; newer ones are much simpler and we can use the new DRM plane - * support. - */ -#include <drm/drmP.h> -#include <drm/drm_crtc.h> -#include <drm/drm_fourcc.h> -#include <drm/drm_rect.h> -#include "intel_drv.h" -#include <drm/i915_drm.h> -#include "i915_drv.h" - -static void -vlv_update_plane(struct drm_plane *dplane, 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 = dplane->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_plane *intel_plane = to_intel_plane(dplane); - int pipe = intel_plane->pipe; - int plane = intel_plane->plane; - u32 sprctl; - unsigned long sprsurf_offset, linear_offset; - int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); - - sprctl = I915_READ(SPCNTR(pipe, plane)); - - /* Mask out pixel format bits in case we change it */ - sprctl &= ~SP_PIXFORMAT_MASK; - sprctl &= ~SP_YUV_BYTE_ORDER_MASK; - sprctl &= ~SP_TILED; - - switch (fb->pixel_format) { - case DRM_FORMAT_YUYV: - sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV; - break; - case DRM_FORMAT_YVYU: - sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU; - break; - case DRM_FORMAT_UYVY: - sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY; - break; - case DRM_FORMAT_VYUY: - sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY; - break; - case DRM_FORMAT_RGB565: - sprctl |= SP_FORMAT_BGR565; - break; - case DRM_FORMAT_XRGB8888: - sprctl |= SP_FORMAT_BGRX8888; - break; - case DRM_FORMAT_ARGB8888: - sprctl |= SP_FORMAT_BGRA8888; - break; - case DRM_FORMAT_XBGR2101010: - sprctl |= SP_FORMAT_RGBX1010102; - break; - case DRM_FORMAT_ABGR2101010: - sprctl |= SP_FORMAT_RGBA1010102; - break; - case DRM_FORMAT_XBGR8888: - sprctl |= SP_FORMAT_RGBX8888; - break; - case DRM_FORMAT_ABGR8888: - sprctl |= SP_FORMAT_RGBA8888; - break; - default: - /* - * If we get here one of the upper layers failed to filter - * out the unsupported plane formats - */ - BUG(); - break; - } - - if (obj->tiling_mode != I915_TILING_NONE) - sprctl |= SP_TILED; - - sprctl |= SP_ENABLE; - - /* Sizes are 0 based */ - src_w--; - src_h--; - crtc_w--; - crtc_h--; - - intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true); - - I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]); - I915_WRITE(SPPOS(pipe, plane), (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; - - if (obj->tiling_mode != I915_TILING_NONE) - I915_WRITE(SPTILEOFF(pipe, plane), (y << 16) | x); - else - I915_WRITE(SPLINOFF(pipe, plane), linear_offset); - - I915_WRITE(SPSIZE(pipe, plane), (crtc_h << 16) | crtc_w); - I915_WRITE(SPCNTR(pipe, plane), sprctl); - I915_MODIFY_DISPBASE(SPSURF(pipe, plane), obj->gtt_offset + - sprsurf_offset); - POSTING_READ(SPSURF(pipe, plane)); -} - -static void -vlv_disable_plane(struct drm_plane *dplane) -{ - struct drm_device *dev = dplane->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_plane *intel_plane = to_intel_plane(dplane); - int pipe = intel_plane->pipe; - int plane = intel_plane->plane; - - I915_WRITE(SPCNTR(pipe, plane), I915_READ(SPCNTR(pipe, plane)) & - ~SP_ENABLE); - /* Activate double buffered register update */ - I915_MODIFY_DISPBASE(SPSURF(pipe, plane), 0); - POSTING_READ(SPSURF(pipe, plane)); -} - -static int -vlv_update_colorkey(struct drm_plane *dplane, - struct drm_intel_sprite_colorkey *key) -{ - struct drm_device *dev = dplane->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_plane *intel_plane = to_intel_plane(dplane); - int pipe = intel_plane->pipe; - int plane = intel_plane->plane; - u32 sprctl; - - if (key->flags & I915_SET_COLORKEY_DESTINATION) - return -EINVAL; - - I915_WRITE(SPKEYMINVAL(pipe, plane), key->min_value); - I915_WRITE(SPKEYMAXVAL(pipe, plane), key->max_value); - I915_WRITE(SPKEYMSK(pipe, plane), key->channel_mask); - - sprctl = I915_READ(SPCNTR(pipe, plane)); - sprctl &= ~SP_SOURCE_KEY; - if (key->flags & I915_SET_COLORKEY_SOURCE) - sprctl |= SP_SOURCE_KEY; - I915_WRITE(SPCNTR(pipe, plane), sprctl); - - POSTING_READ(SPKEYMSK(pipe, plane)); - - return 0; -} - -static void -vlv_get_colorkey(struct drm_plane *dplane, - struct drm_intel_sprite_colorkey *key) -{ - struct drm_device *dev = dplane->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_plane *intel_plane = to_intel_plane(dplane); - int pipe = intel_plane->pipe; - int plane = intel_plane->plane; - u32 sprctl; - - key->min_value = I915_READ(SPKEYMINVAL(pipe, plane)); - key->max_value = I915_READ(SPKEYMAXVAL(pipe, plane)); - key->channel_mask = I915_READ(SPKEYMSK(pipe, plane)); - - sprctl = I915_READ(SPCNTR(pipe, plane)); - if (sprctl & SP_SOURCE_KEY) - key->flags = I915_SET_COLORKEY_SOURCE; - else - key->flags = I915_SET_COLORKEY_NONE; -} - -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, true); - - /* - * 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); -} - -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; - bool scaling_was_enabled = dev_priv->sprite_scaling_enabled; - - 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 &= ~(1 << pipe); - - intel_update_sprite_watermarks(dev, pipe, 0, 0, false); - - /* potentially re-enable LP watermarks */ - if (scaling_was_enabled && !dev_priv->sprite_scaling_enabled) - intel_update_watermarks(dev); -} - -static int -ivb_update_colorkey(struct drm_plane *plane, - struct drm_intel_sprite_colorkey *key) -{ - struct drm_device *dev = plane->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_plane *intel_plane; - u32 sprctl; - int ret = 0; - - intel_plane = to_intel_plane(plane); - - I915_WRITE(SPRKEYVAL(intel_plane->pipe), key->min_value); - I915_WRITE(SPRKEYMAX(intel_plane->pipe), key->max_value); - I915_WRITE(SPRKEYMSK(intel_plane->pipe), key->channel_mask); - - sprctl = I915_READ(SPRCTL(intel_plane->pipe)); - sprctl &= ~(SPRITE_SOURCE_KEY | SPRITE_DEST_KEY); - if (key->flags & I915_SET_COLORKEY_DESTINATION) - sprctl |= SPRITE_DEST_KEY; - else if (key->flags & I915_SET_COLORKEY_SOURCE) - sprctl |= SPRITE_SOURCE_KEY; - I915_WRITE(SPRCTL(intel_plane->pipe), sprctl); - - POSTING_READ(SPRKEYMSK(intel_plane->pipe)); - - return ret; -} - -static void -ivb_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key) -{ - struct drm_device *dev = plane->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_plane *intel_plane; - u32 sprctl; - - intel_plane = to_intel_plane(plane); - - key->min_value = I915_READ(SPRKEYVAL(intel_plane->pipe)); - key->max_value = I915_READ(SPRKEYMAX(intel_plane->pipe)); - key->channel_mask = I915_READ(SPRKEYMSK(intel_plane->pipe)); - key->flags = 0; - - sprctl = I915_READ(SPRCTL(intel_plane->pipe)); - - if (sprctl & SPRITE_DEST_KEY) - key->flags = I915_SET_COLORKEY_DESTINATION; - else if (sprctl & SPRITE_SOURCE_KEY) - key->flags = I915_SET_COLORKEY_SOURCE; - else - key->flags = I915_SET_COLORKEY_NONE; -} - -static void -ilk_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; - unsigned long dvssurf_offset, linear_offset; - u32 dvscntr, dvsscale; - int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); - - dvscntr = I915_READ(DVSCNTR(pipe)); - - /* Mask out pixel format bits in case we change it */ - dvscntr &= ~DVS_PIXFORMAT_MASK; - dvscntr &= ~DVS_RGB_ORDER_XBGR; - dvscntr &= ~DVS_YUV_BYTE_ORDER_MASK; - dvscntr &= ~DVS_TILED; - - switch (fb->pixel_format) { - case DRM_FORMAT_XBGR8888: - dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR; - break; - case DRM_FORMAT_XRGB8888: - dvscntr |= DVS_FORMAT_RGBX888; - break; - case DRM_FORMAT_YUYV: - dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV; - break; - case DRM_FORMAT_YVYU: - dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU; - break; - case DRM_FORMAT_UYVY: - dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY; - break; - case DRM_FORMAT_VYUY: - dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY; - break; - default: - BUG(); - } - - if (obj->tiling_mode != I915_TILING_NONE) - dvscntr |= DVS_TILED; - - if (IS_GEN6(dev)) - dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */ - dvscntr |= DVS_ENABLE; - - /* Sizes are 0 based */ - src_w--; - src_h--; - crtc_w--; - crtc_h--; - - intel_update_sprite_watermarks(dev, pipe, crtc_w, pixel_size, true); - - dvsscale = 0; - if (IS_GEN5(dev) || crtc_w != src_w || crtc_h != src_h) - dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h; - - I915_WRITE(DVSSTRIDE(pipe), fb->pitches[0]); - I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x); - - linear_offset = y * fb->pitches[0] + x * pixel_size; - dvssurf_offset = - intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, - pixel_size, fb->pitches[0]); - linear_offset -= dvssurf_offset; - - if (obj->tiling_mode != I915_TILING_NONE) - I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x); - else - I915_WRITE(DVSLINOFF(pipe), linear_offset); - - I915_WRITE(DVSSIZE(pipe), (crtc_h << 16) | crtc_w); - I915_WRITE(DVSSCALE(pipe), dvsscale); - I915_WRITE(DVSCNTR(pipe), dvscntr); - I915_MODIFY_DISPBASE(DVSSURF(pipe), obj->gtt_offset + dvssurf_offset); - POSTING_READ(DVSSURF(pipe)); -} - -static void -ilk_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(DVSCNTR(pipe), I915_READ(DVSCNTR(pipe)) & ~DVS_ENABLE); - /* Disable the scaler */ - I915_WRITE(DVSSCALE(pipe), 0); - /* Flush double buffered register updates */ - I915_MODIFY_DISPBASE(DVSSURF(pipe), 0); - POSTING_READ(DVSSURF(pipe)); -} - -static void -intel_enable_primary(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int reg = DSPCNTR(intel_crtc->plane); - - if (!intel_crtc->primary_disabled) - return; - - intel_crtc->primary_disabled = false; - intel_update_fbc(dev); - - I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE); -} - -static void -intel_disable_primary(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int reg = DSPCNTR(intel_crtc->plane); - - if (intel_crtc->primary_disabled) - return; - - I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE); - - intel_crtc->primary_disabled = true; - intel_update_fbc(dev); -} - -static int -ilk_update_colorkey(struct drm_plane *plane, - struct drm_intel_sprite_colorkey *key) -{ - struct drm_device *dev = plane->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_plane *intel_plane; - u32 dvscntr; - int ret = 0; - - intel_plane = to_intel_plane(plane); - - I915_WRITE(DVSKEYVAL(intel_plane->pipe), key->min_value); - I915_WRITE(DVSKEYMAX(intel_plane->pipe), key->max_value); - I915_WRITE(DVSKEYMSK(intel_plane->pipe), key->channel_mask); - - dvscntr = I915_READ(DVSCNTR(intel_plane->pipe)); - dvscntr &= ~(DVS_SOURCE_KEY | DVS_DEST_KEY); - if (key->flags & I915_SET_COLORKEY_DESTINATION) - dvscntr |= DVS_DEST_KEY; - else if (key->flags & I915_SET_COLORKEY_SOURCE) - dvscntr |= DVS_SOURCE_KEY; - I915_WRITE(DVSCNTR(intel_plane->pipe), dvscntr); - - POSTING_READ(DVSKEYMSK(intel_plane->pipe)); - - return ret; -} - -static void -ilk_get_colorkey(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key) -{ - struct drm_device *dev = plane->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_plane *intel_plane; - u32 dvscntr; - - intel_plane = to_intel_plane(plane); - - key->min_value = I915_READ(DVSKEYVAL(intel_plane->pipe)); - key->max_value = I915_READ(DVSKEYMAX(intel_plane->pipe)); - key->channel_mask = I915_READ(DVSKEYMSK(intel_plane->pipe)); - key->flags = 0; - - dvscntr = I915_READ(DVSCNTR(intel_plane->pipe)); - - if (dvscntr & DVS_DEST_KEY) - key->flags = I915_SET_COLORKEY_DESTINATION; - else if (dvscntr & DVS_SOURCE_KEY) - key->flags = I915_SET_COLORKEY_SOURCE; - else - key->flags = I915_SET_COLORKEY_NONE; -} - -static bool -format_is_yuv(uint32_t format) -{ - switch (format) { - case DRM_FORMAT_YUYV: - case DRM_FORMAT_UYVY: - case DRM_FORMAT_VYUY: - case DRM_FORMAT_YVYU: - return true; - default: - return false; - } -} - -static int -intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, - struct drm_framebuffer *fb, int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_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_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_plane *intel_plane = to_intel_plane(plane); - struct intel_framebuffer *intel_fb; - struct drm_i915_gem_object *obj, *old_obj; - int pipe = intel_plane->pipe; - enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, - pipe); - int ret = 0; - bool disable_primary = false; - bool visible; - int hscale, vscale; - int max_scale, min_scale; - int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); - struct drm_rect src = { - /* sample coordinates in 16.16 fixed point */ - .x1 = src_x, - .x2 = src_x + src_w, - .y1 = src_y, - .y2 = src_y + src_h, - }; - struct drm_rect dst = { - /* integer pixels */ - .x1 = crtc_x, - .x2 = crtc_x + crtc_w, - .y1 = crtc_y, - .y2 = crtc_y + crtc_h, - }; - const struct drm_rect clip = { - .x2 = crtc->mode.hdisplay, - .y2 = crtc->mode.vdisplay, - }; - - intel_fb = to_intel_framebuffer(fb); - obj = intel_fb->obj; - - old_obj = intel_plane->obj; - - intel_plane->crtc_x = crtc_x; - intel_plane->crtc_y = crtc_y; - intel_plane->crtc_w = crtc_w; - intel_plane->crtc_h = crtc_h; - intel_plane->src_x = src_x; - intel_plane->src_y = src_y; - intel_plane->src_w = src_w; - intel_plane->src_h = src_h; - - /* Pipe must be running... */ - if (!(I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_ENABLE)) { - DRM_DEBUG_KMS("Pipe disabled\n"); - return -EINVAL; - } - - /* Don't modify another pipe's plane */ - if (intel_plane->pipe != intel_crtc->pipe) { - DRM_DEBUG_KMS("Wrong plane <-> crtc mapping\n"); - return -EINVAL; - } - - /* FIXME check all gen limits */ - if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) { - DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n"); - return -EINVAL; - } - - /* Sprite planes can be linear or x-tiled surfaces */ - switch (obj->tiling_mode) { - case I915_TILING_NONE: - case I915_TILING_X: - break; - default: - DRM_DEBUG_KMS("Unsupported tiling mode\n"); - return -EINVAL; - } - - /* - * FIXME the following code does a bunch of fuzzy adjustments to the - * coordinates and sizes. We probably need some way to decide whether - * more strict checking should be done instead. - */ - max_scale = intel_plane->max_downscale << 16; - min_scale = intel_plane->can_scale ? 1 : (1 << 16); - - hscale = drm_rect_calc_hscale_relaxed(&src, &dst, min_scale, max_scale); - BUG_ON(hscale < 0); - - vscale = drm_rect_calc_vscale_relaxed(&src, &dst, min_scale, max_scale); - BUG_ON(vscale < 0); - - visible = drm_rect_clip_scaled(&src, &dst, &clip, hscale, vscale); - - crtc_x = dst.x1; - crtc_y = dst.y1; - crtc_w = drm_rect_width(&dst); - crtc_h = drm_rect_height(&dst); - - if (visible) { - /* check again in case clipping clamped the results */ - hscale = drm_rect_calc_hscale(&src, &dst, min_scale, max_scale); - if (hscale < 0) { - DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n"); - drm_rect_debug_print(&src, true); - drm_rect_debug_print(&dst, false); - - return hscale; - } - - vscale = drm_rect_calc_vscale(&src, &dst, min_scale, max_scale); - if (vscale < 0) { - DRM_DEBUG_KMS("Vertical scaling factor out of limits\n"); - drm_rect_debug_print(&src, true); - drm_rect_debug_print(&dst, false); - - return vscale; - } - - /* Make the source viewport size an exact multiple of the scaling factors. */ - drm_rect_adjust_size(&src, - drm_rect_width(&dst) * hscale - drm_rect_width(&src), - drm_rect_height(&dst) * vscale - drm_rect_height(&src)); - - /* sanity check to make sure the src viewport wasn't enlarged */ - WARN_ON(src.x1 < (int) src_x || - src.y1 < (int) src_y || - src.x2 > (int) (src_x + src_w) || - src.y2 > (int) (src_y + src_h)); - - /* - * Hardware doesn't handle subpixel coordinates. - * Adjust to (macro)pixel boundary, but be careful not to - * increase the source viewport size, because that could - * push the downscaling factor out of bounds. - */ - src_x = src.x1 >> 16; - src_w = drm_rect_width(&src) >> 16; - src_y = src.y1 >> 16; - src_h = drm_rect_height(&src) >> 16; - - if (format_is_yuv(fb->pixel_format)) { - src_x &= ~1; - src_w &= ~1; - - /* - * Must keep src and dst the - * same if we can't scale. - */ - if (!intel_plane->can_scale) - crtc_w &= ~1; - - if (crtc_w == 0) - visible = false; - } - } - - /* Check size restrictions when scaling */ - if (visible && (src_w != crtc_w || src_h != crtc_h)) { - unsigned int width_bytes; - - WARN_ON(!intel_plane->can_scale); - - /* FIXME interlacing min height is 6 */ - - if (crtc_w < 3 || crtc_h < 3) - visible = false; - - if (src_w < 3 || src_h < 3) - visible = false; - - width_bytes = ((src_x * pixel_size) & 63) + src_w * pixel_size; - - if (src_w > 2048 || src_h > 2048 || - width_bytes > 4096 || fb->pitches[0] > 4096) { - DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n"); - return -EINVAL; - } - } - - dst.x1 = crtc_x; - dst.x2 = crtc_x + crtc_w; - dst.y1 = crtc_y; - dst.y2 = crtc_y + crtc_h; - - /* - * If the sprite is completely covering the primary plane, - * we can disable the primary and save power. - */ - disable_primary = drm_rect_equals(&dst, &clip); - WARN_ON(disable_primary && !visible); - - mutex_lock(&dev->struct_mutex); - - /* Note that this will apply the VT-d workaround for scanouts, - * which is more restrictive than required for sprites. (The - * primary plane requires 256KiB alignment with 64 PTE padding, - * the sprite planes only require 128KiB alignment and 32 PTE padding. - */ - ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); - if (ret) - goto out_unlock; - - intel_plane->obj = obj; - - /* - * Be sure to re-enable the primary before the sprite is no longer - * covering it fully. - */ - if (!disable_primary) - intel_enable_primary(crtc); - - if (visible) - intel_plane->update_plane(plane, fb, obj, - crtc_x, crtc_y, crtc_w, crtc_h, - src_x, src_y, src_w, src_h); - else - intel_plane->disable_plane(plane); - - if (disable_primary) - intel_disable_primary(crtc); - - /* Unpin old obj after new one is active to avoid ugliness */ - if (old_obj) { - /* - * It's fairly common to simply update the position of - * an existing object. In that case, we don't need to - * wait for vblank to avoid ugliness, we only need to - * do the pin & ref bookkeeping. - */ - if (old_obj != obj) { - mutex_unlock(&dev->struct_mutex); - intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe); - mutex_lock(&dev->struct_mutex); - } - intel_unpin_fb_obj(old_obj); - } - -out_unlock: - mutex_unlock(&dev->struct_mutex); - return ret; -} - -static int -intel_disable_plane(struct drm_plane *plane) -{ - struct drm_device *dev = plane->dev; - struct intel_plane *intel_plane = to_intel_plane(plane); - int ret = 0; - - if (plane->crtc) - intel_enable_primary(plane->crtc); - intel_plane->disable_plane(plane); - - if (!intel_plane->obj) - goto out; - - intel_wait_for_vblank(dev, intel_plane->pipe); - - mutex_lock(&dev->struct_mutex); - intel_unpin_fb_obj(intel_plane->obj); - intel_plane->obj = NULL; - mutex_unlock(&dev->struct_mutex); -out: - - return ret; -} - -static void intel_destroy_plane(struct drm_plane *plane) -{ - struct intel_plane *intel_plane = to_intel_plane(plane); - intel_disable_plane(plane); - drm_plane_cleanup(plane); - kfree(intel_plane); -} - -int intel_sprite_set_colorkey(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_intel_sprite_colorkey *set = data; - struct drm_mode_object *obj; - struct drm_plane *plane; - struct intel_plane *intel_plane; - int ret = 0; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -ENODEV; - - /* Make sure we don't try to enable both src & dest simultaneously */ - if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) - return -EINVAL; - - drm_modeset_lock_all(dev); - - obj = drm_mode_object_find(dev, set->plane_id, DRM_MODE_OBJECT_PLANE); - if (!obj) { - ret = -EINVAL; - goto out_unlock; - } - - plane = obj_to_plane(obj); - intel_plane = to_intel_plane(plane); - ret = intel_plane->update_colorkey(plane, set); - -out_unlock: - drm_modeset_unlock_all(dev); - return ret; -} - -int intel_sprite_get_colorkey(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_intel_sprite_colorkey *get = data; - struct drm_mode_object *obj; - struct drm_plane *plane; - struct intel_plane *intel_plane; - int ret = 0; - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - return -ENODEV; - - drm_modeset_lock_all(dev); - - obj = drm_mode_object_find(dev, get->plane_id, DRM_MODE_OBJECT_PLANE); - if (!obj) { - ret = -EINVAL; - goto out_unlock; - } - - plane = obj_to_plane(obj); - intel_plane = to_intel_plane(plane); - intel_plane->get_colorkey(plane, get); - -out_unlock: - drm_modeset_unlock_all(dev); - return ret; -} - -void intel_plane_restore(struct drm_plane *plane) -{ - struct intel_plane *intel_plane = to_intel_plane(plane); - - if (!plane->crtc || !plane->fb) - return; - - intel_update_plane(plane, plane->crtc, plane->fb, - intel_plane->crtc_x, intel_plane->crtc_y, - intel_plane->crtc_w, intel_plane->crtc_h, - intel_plane->src_x, intel_plane->src_y, - intel_plane->src_w, intel_plane->src_h); -} - -void intel_plane_disable(struct drm_plane *plane) -{ - if (!plane->crtc || !plane->fb) - return; - - intel_disable_plane(plane); -} - -static const struct drm_plane_funcs intel_plane_funcs = { - .update_plane = intel_update_plane, - .disable_plane = intel_disable_plane, - .destroy = intel_destroy_plane, -}; - -static uint32_t ilk_plane_formats[] = { - DRM_FORMAT_XRGB8888, - DRM_FORMAT_YUYV, - DRM_FORMAT_YVYU, - DRM_FORMAT_UYVY, - DRM_FORMAT_VYUY, -}; - -static uint32_t snb_plane_formats[] = { - DRM_FORMAT_XBGR8888, - DRM_FORMAT_XRGB8888, - DRM_FORMAT_YUYV, - DRM_FORMAT_YVYU, - DRM_FORMAT_UYVY, - DRM_FORMAT_VYUY, -}; - -static uint32_t vlv_plane_formats[] = { - DRM_FORMAT_RGB565, - DRM_FORMAT_ABGR8888, - DRM_FORMAT_ARGB8888, - DRM_FORMAT_XBGR8888, - DRM_FORMAT_XRGB8888, - DRM_FORMAT_XBGR2101010, - DRM_FORMAT_ABGR2101010, - DRM_FORMAT_YUYV, - DRM_FORMAT_YVYU, - DRM_FORMAT_UYVY, - DRM_FORMAT_VYUY, -}; - -int -intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane) -{ - struct intel_plane *intel_plane; - unsigned long possible_crtcs; - const uint32_t *plane_formats; - int num_plane_formats; - int ret; - - if (INTEL_INFO(dev)->gen < 5) - return -ENODEV; - - intel_plane = kzalloc(sizeof(struct intel_plane), GFP_KERNEL); - if (!intel_plane) - return -ENOMEM; - - switch (INTEL_INFO(dev)->gen) { - case 5: - case 6: - intel_plane->can_scale = true; - intel_plane->max_downscale = 16; - intel_plane->update_plane = ilk_update_plane; - intel_plane->disable_plane = ilk_disable_plane; - intel_plane->update_colorkey = ilk_update_colorkey; - intel_plane->get_colorkey = ilk_get_colorkey; - - if (IS_GEN6(dev)) { - plane_formats = snb_plane_formats; - num_plane_formats = ARRAY_SIZE(snb_plane_formats); - } else { - plane_formats = ilk_plane_formats; - num_plane_formats = ARRAY_SIZE(ilk_plane_formats); - } - break; - - case 7: - if (IS_IVYBRIDGE(dev)) { - intel_plane->can_scale = true; - intel_plane->max_downscale = 2; - } else { - intel_plane->can_scale = false; - intel_plane->max_downscale = 1; - } - - if (IS_VALLEYVIEW(dev)) { - intel_plane->update_plane = vlv_update_plane; - intel_plane->disable_plane = vlv_disable_plane; - intel_plane->update_colorkey = vlv_update_colorkey; - intel_plane->get_colorkey = vlv_get_colorkey; - - plane_formats = vlv_plane_formats; - num_plane_formats = ARRAY_SIZE(vlv_plane_formats); - } else { - intel_plane->update_plane = ivb_update_plane; - intel_plane->disable_plane = ivb_disable_plane; - intel_plane->update_colorkey = ivb_update_colorkey; - intel_plane->get_colorkey = ivb_get_colorkey; - - plane_formats = snb_plane_formats; - num_plane_formats = ARRAY_SIZE(snb_plane_formats); - } - break; - - default: - kfree(intel_plane); - return -ENODEV; - } - - intel_plane->pipe = pipe; - intel_plane->plane = plane; - possible_crtcs = (1 << pipe); - ret = drm_plane_init(dev, &intel_plane->base, possible_crtcs, - &intel_plane_funcs, - plane_formats, num_plane_formats, - false); - if (ret) - kfree(intel_plane); - - return ret; -} |
