/* * 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 * * 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 #include #include #include #include "intel_drv.h" #include #include "i915_drv.h" static void vlv_update_plane(struct drm_plane *dplane, struct drm_crtc *crtc, 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; intel_update_sprite_watermarks(dev, pipe, src_w, pixel_size, true, src_w != crtc_w || src_h != crtc_h); /* Sizes are 0 based */ src_w--; src_h--; crtc_w--; crtc_h--; 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), i915_gem_obj_ggtt_offset(obj) + sprsurf_offset); POSTING_READ(SPSURF(pipe, plane)); } static void vlv_disable_plane(struct drm_plane *dplane, struct drm_crtc *crtc) { 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_crtc *crtc, 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; intel_update_sprite_watermarks(dev, pipe, src_w, pixel_size, true, src_w != crtc_w || src_h != crtc_h); /* Sizes are 0 based */ src_w--; src_h--; crtc_w--; crtc_h--; /* * 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), i915_gem_obj_ggtt_offset(obj) + 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_crtc *crtc) { 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, 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_crtc *crtc, 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; intel_update_sprite_watermarks(dev, pipe, src_w, pixel_size, true, src_w != crtc_w || src_h != crtc_h); /* Sizes are 0 based */ src_w--; src_h--; crtc_w--; crtc_h--; 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), i915_gem_obj_ggtt_offset(obj) + dvssurf_offset); POSTING_READ(DVSSURF(pipe)); } static void ilk_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc) { 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, crtc, fb, obj, crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h); else intel_plane->disable_plane(plane, crtc); 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, plane->crtc); 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; }