/* * 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 #include "intel_drv.h" #include #include "i915_drv.h" 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 usecs_to_scanlines(const struct drm_display_mode *mode, int usecs) { /* paranoia */ if (!mode->crtc_htotal) return 1; return DIV_ROUND_UP(usecs * mode->crtc_clock, 1000 * mode->crtc_htotal); } /** * intel_pipe_update_start() - start update of a set of display registers * @crtc: the crtc of which the registers are going to be updated * @start_vbl_count: vblank counter return pointer used for error checking * * Mark the start of an update to pipe registers that should be updated * atomically regarding vblank. If the next vblank will happens within * the next 100 us, this function waits until the vblank passes. * * After a successful call to this function, interrupts will be disabled * until a subsequent call to intel_pipe_update_end(). That is done to * avoid random delays. The value written to @start_vbl_count should be * supplied to intel_pipe_update_end() for error checking. * * Return: true if the call was successful */ bool intel_pipe_update_start(struct intel_crtc *crtc, uint32_t *start_vbl_count) { struct drm_device *dev = crtc->base.dev; const struct drm_display_mode *mode = &crtc->config->base.adjusted_mode; enum pipe pipe = crtc->pipe; long timeout = msecs_to_jiffies_timeout(1); int scanline, min, max, vblank_start; wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base); DEFINE_WAIT(wait); vblank_start = mode->crtc_vblank_start; if (mode->flags & DRM_MODE_FLAG_INTERLACE) vblank_start = DIV_ROUND_UP(vblank_start, 2); /* FIXME needs to be calibrated sensibly */ min = vblank_start - usecs_to_scanlines(mode, 100); max = vblank_start - 1; if (min <= 0 || max <= 0) return false; if (WARN_ON(drm_crtc_vblank_get(&crtc->base))) return false; local_irq_disable(); trace_i915_pipe_update_start(crtc, min, max); for (;;) { /* * prepare_to_wait() has a memory barrier, which guarantees * other CPUs can see the task state update by the time we * read the scanline. */ prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE); scanline = intel_get_crtc_scanline(crtc); if (scanline < min || scanline > max) break; if (timeout <= 0) { DRM_ERROR("Potential atomic update failure on pipe %c\n", pipe_name(crtc->pipe)); break; } local_irq_enable(); timeout = schedule_timeout(timeout); local_irq_disable(); } finish_wait(wq, &wait); drm_crtc_vblank_put(&crtc->base); *start_vbl_count = dev->driver->get_vblank_counter(dev, pipe); trace_i915_pipe_update_vblank_evaded(crtc, min, max, *start_vbl_count); return true; } /** * intel_pipe_update_end() - end update of a set of display registers * @crtc: the crtc of which the registers were updated * @start_vbl_count: start vblank counter (used for error checking) * * Mark the end of an update started with intel_pipe_update_start(). This * re-enables interrupts and verifies the update was actually completed * before a vblank using the value of @start_vbl_count. */ void intel_pipe_update_end(struct intel_crtc *crtc, u32 start_vbl_count) { struct drm_device *dev = crtc->base.dev; enum pipe pipe = crtc->pipe; u32 end_vbl_count = dev->driver->get_vblank_counter(dev, pipe); trace_i915_pipe_update_end(crtc, end_vbl_count); local_irq_enable(); if (start_vbl_count != end_vbl_count) DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u)\n", pipe_name(pipe), start_vbl_count, end_vbl_count); } static void intel_update_primary_plane(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; int reg = DSPCNTR(crtc->plane); if (crtc->primary_enabled) I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE); else I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE); } static void skl_update_plane(struct drm_plane *drm_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 x, uint32_t y, uint32_t src_w, uint32_t src_h) { struct drm_device *dev = drm_plane->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_plane *intel_plane = to_intel_plane(drm_plane); struct drm_i915_gem_object *obj = intel_fb_obj(fb); const int pipe = intel_plane->pipe; const int plane = intel_plane->plane + 1; u32 plane_ctl, stride_div, stride; int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); const struct drm_intel_sprite_colorkey *key = &intel_plane->ckey; unsigned long surf_addr; u32 tile_height, plane_offset, plane_size; unsigned int rotation; int x_offset, y_offset; plane_ctl = PLANE_CTL_ENABLE | PLANE_CTL_PIPE_CSC_ENABLE; switch (fb->pixel_format) { case DRM_FORMAT_RGB565: plane_ctl |= PLANE_CTL_FORMAT_RGB_565; break; case DRM_FORMAT_XBGR8888: plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX; break; case DRM_FORMAT_XRGB8888: plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888; break; /* * XXX: For ARBG/ABGR formats we default to expecting scanout buffers * to be already pre-multiplied. We need to add a knob (or a different * DRM_FORMAT) for user-space to configure that. */ case DRM_FORMAT_ABGR8888: plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX | PLANE_CTL_ALPHA_SW_PREMULTIPLY; break; case DRM_FORMAT_ARGB8888: plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; break; case DRM_FORMAT_YUYV: plane_ctl |= PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV; break; case DRM_FORMAT_YVYU: plane_ctl |= PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YVYU; break; case DRM_FORMAT_UYVY: plane_ctl |= PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY; break; case DRM_FORMAT_VYUY: plane_ctl |= PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY; break; default: BUG(); } switch (fb->modifier[0]) { case DRM_FORMAT_MOD_NONE: break; case I915_FORMAT_MOD_X_TILED: plane_ctl |= PLANE_CTL_TILED_X; break; case I915_FORMAT_MOD_Y_TILED: plane_ctl |= PLANE_CTL_TILED_Y; break; case I915_FORMAT_MOD_Yf_TILED: plane_ctl |= PLANE_CTL_TILED_YF; break; default: MISSING_CASE(fb->modifier[0]); } rotation = drm_plane->state->rotation; switch (rotation) { case BIT(DRM_ROTATE_90): plane_ctl |= PLANE_CTL_ROTATE_90; break; case BIT(DRM_ROTATE_180): plane_ctl |= PLANE_CTL_ROTATE_180; break; case BIT(DRM_ROTATE_270): plane_ctl |= PLANE_CTL_ROTATE_270; break; } intel_update_sprite_watermarks(drm_plane, crtc, src_w, src_h, pixel_size, true, src_w != crtc_w || src_h != crtc_h); stride_div = intel_fb_stride_alignment(dev, fb->modifier[0], fb->pixel_format); /* Sizes are 0 based */ src_w--; src_h--; crtc_w--; crtc_h--; if (key->flags) { I915_WRITE(PLANE_KEYVAL(pipe, plane), key->min_value); I915_WRITE(PLANE_KEYMAX(pipe, plane), key->max_value); I915_WRITE(PLANE_KEYMSK(pipe, plane), key->channel_mask); } if (key->flags & I915_SET_COLORKEY_DESTINATION) plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION; else if (key->flags & I915_SET_COLORKEY_SOURCE) plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE; surf_addr = intel_plane_obj_offset(intel_plane, obj); if (intel_rotation_90_or_270(rotation)) { /* stride: Surface height in tiles */ tile_height = intel_tile_height(dev, fb->bits_per_pixel, fb->modifier[0]); stride = DIV_ROUND_UP(fb->height, tile_height); plane_size = (src_w << 16) | src_h; x_offset = stride * tile_height - y - (src_h + 1); y_offset = x; } else { stride = fb->pitches[0] / stride_div; plane_size = (src_h << 16) | src_w; x_offset = x; y_offset = y; } plane_offset = y_offset << 16 | x_offset; I915_WRITE(PLANE_OFFSET(pipe, plane), plane_offset); I915_WRITE(PLANE_STRIDE(pipe, plane), stride); I915_WRITE(PLANE_POS(pipe, plane), (crtc_y << 16) | crtc_x); I915_WRITE(PLANE_SIZE(pipe, plane), plane_size); I915_WRITE(PLANE_CTL(pipe, plane), plane_ctl); I915_WRITE(PLANE_SURF(pipe, plane), surf_addr); POSTING_READ(PLANE_SURF(pipe, plane)); } static void skl_disable_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc) { struct drm_device *dev = drm_plane->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_plane *intel_plane = to_intel_plane(drm_plane); const int pipe = intel_plane->pipe; const int plane = intel_plane->plane + 1; I915_WRITE(PLANE_CTL(pipe, plane), 0); /* Activate double buffered register update */ I915_WRITE(PLANE_SURF(pipe, plane), 0); POSTING_READ(PLANE_SURF(pipe, plane)); intel_update_sprite_watermarks(drm_plane, crtc, 0, 0, 0, false, false); } static void chv_update_csc(struct intel_plane *intel_plane, uint32_t format) { struct drm_i915_private *dev_priv = intel_plane->base.dev->dev_private; int plane = intel_plane->plane; /* Seems RGB data bypasses the CSC always */ if (!format_is_yuv(format)) return; /* * BT.601 limited range YCbCr -> full range RGB * * |r| | 6537 4769 0| |cr | * |g| = |-3330 4769 -1605| x |y-64| * |b| | 0 4769 8263| |cb | * * Cb and Cr apparently come in as signed already, so no * need for any offset. For Y we need to remove the offset. */ I915_WRITE(SPCSCYGOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(-64)); I915_WRITE(SPCSCCBOFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0)); I915_WRITE(SPCSCCROFF(plane), SPCSC_OOFF(0) | SPCSC_IOFF(0)); I915_WRITE(SPCSCC01(plane), SPCSC_C1(4769) | SPCSC_C0(6537)); I915_WRITE(SPCSCC23(plane), SPCSC_C1(-3330) | SPCSC_C0(0)); I915_WRITE(SPCSCC45(plane), SPCSC_C1(-1605) | SPCSC_C0(4769)); I915_WRITE(SPCSCC67(plane), SPCSC_C1(4769) | SPCSC_C0(0)); I915_WRITE(SPCSCC8(plane), SPCSC_C0(8263)); I915_WRITE(SPCSCYGICLAMP(plane), SPCSC_IMAX(940) | SPCSC_IMIN(64)); I915_WRITE(SPCSCCBICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448)); I915_WRITE(SPCSCCRICLAMP(plane), SPCSC_IMAX(448) | SPCSC_IMIN(-448)); I915_WRITE(SPCSCYGOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0)); I915_WRITE(SPCSCCBOCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0)); I915_WRITE(SPCSCCROCLAMP(plane), SPCSC_OMAX(1023) | SPCSC_OMIN(0)); } static void vlv_update_plane(struct drm_plane *dplane, struct drm_crtc *crtc, struct drm_framebuffer *fb, 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); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct drm_i915_gem_object *obj = intel_fb_obj(fb); 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); const struct drm_intel_sprite_colorkey *key = &intel_plane->ckey; sprctl = SP_ENABLE; 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; } /* * Enable gamma to match primary/cursor plane behaviour. * FIXME should be user controllable via propertiesa. */ sprctl |= SP_GAMMA_ENABLE; if (obj->tiling_mode != I915_TILING_NONE) sprctl |= SP_TILED; intel_update_sprite_watermarks(dplane, crtc, src_w, src_h, pixel_size, true, src_w != crtc_w || src_h != crtc_h); /* Sizes are 0 based */ src_w--; src_h--; crtc_w--; crtc_h--; 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 (dplane->state->rotation == BIT(DRM_ROTATE_180)) { sprctl |= SP_ROTATE_180; x += src_w; y += src_h; linear_offset += src_h * fb->pitches[0] + src_w * pixel_size; } intel_update_primary_plane(intel_crtc); if (key->flags) { I915_WRITE(SPKEYMINVAL(pipe, plane), key->min_value); I915_WRITE(SPKEYMAXVAL(pipe, plane), key->max_value); I915_WRITE(SPKEYMSK(pipe, plane), key->channel_mask); } if (key->flags & I915_SET_COLORKEY_SOURCE) sprctl |= SP_SOURCE_KEY; if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) chv_update_csc(intel_plane, fb->pixel_format); I915_WRITE(SPSTRIDE(pipe, plane), fb->pitches[0]); I915_WRITE(SPPOS(pipe, plane), (crtc_y << 16) | crtc_x); 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(SPCONSTALPHA(pipe, plane), 0); I915_WRITE(SPSIZE(pipe, plane), (crtc_h << 16) | crtc_w); I915_WRITE(SPCNTR(pipe, plane), sprctl); I915_WRITE(SPSURF(pipe, plane), i915_gem_obj_ggtt_offset(obj) + sprsurf_offset); intel_flush_primary_plane(dev_priv, intel_crtc->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); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int pipe = intel_plane->pipe; int plane = intel_plane->plane; intel_update_primary_plane(intel_crtc); I915_WRITE(SPCNTR(pipe, plane), 0); /* Activate double buffered register update */ I915_WRITE(SPSURF(pipe, plane), 0); intel_flush_primary_plane(dev_priv, intel_crtc->plane); intel_update_sprite_watermarks(dplane, crtc, 0, 0, 0, false, false); } static void ivb_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 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); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct drm_i915_gem_object *obj = intel_fb_obj(fb); enum pipe 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); const struct drm_intel_sprite_colorkey *key = &intel_plane->ckey; sprctl = SPRITE_ENABLE; 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(); } /* * Enable gamma to match primary/cursor plane behaviour. * FIXME should be user controllable via propertiesa. */ sprctl |= SPRITE_GAMMA_ENABLE; if (obj->tiling_mode != I915_TILING_NONE) sprctl |= SPRITE_TILED; if (IS_HASWELL(dev) || IS_BROADWELL(dev)) sprctl &= ~SPRITE_TRICKLE_FEED_DISABLE; else sprctl |= SPRITE_TRICKLE_FEED_DISABLE; if (IS_HASWELL(dev) || IS_BROADWELL(dev)) sprctl |= SPRITE_PIPE_CSC_ENABLE; intel_update_sprite_watermarks(plane, crtc, src_w, src_h, pixel_size, true, src_w != crtc_w || src_h != crtc_h); /* Sizes are 0 based */ src_w--; src_h--; crtc_w--; crtc_h--; if (crtc_w != src_w || crtc_h != src_h) sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h; 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 (plane->state->rotation == BIT(DRM_ROTATE_180)) { sprctl |= SPRITE_ROTATE_180; /* HSW and BDW does this automagically in hardware */ if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { x += src_w; y += src_h; linear_offset += src_h * fb->pitches[0] + src_w * pixel_size; } } intel_update_primary_plane(intel_crtc); if (key->flags) { I915_WRITE(SPRKEYVAL(pipe), key->min_value); I915_WRITE(SPRKEYMAX(pipe), key->max_value); I915_WRITE(SPRKEYMSK(pipe), key->channel_mask); } 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(SPRSTRIDE(pipe), fb->pitches[0]); I915_WRITE(SPRPOS(pipe), (crtc_y << 16) | crtc_x); /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET * register */ if (IS_HASWELL(dev) || IS_BROADWELL(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_WRITE(SPRSURF(pipe), i915_gem_obj_ggtt_offset(obj) + sprsurf_offset); intel_flush_primary_plane(dev_priv, intel_crtc->plane); } 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); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int pipe = intel_plane->pipe; intel_update_primary_plane(intel_crtc); 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_WRITE(SPRSURF(pipe), 0); intel_flush_primary_plane(dev_priv, intel_crtc->plane); } static void ilk_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 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); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct drm_i915_gem_object *obj = intel_fb_obj(fb); 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); const struct drm_intel_sprite_colorkey *key = &intel_plane->ckey; dvscntr = DVS_ENABLE; 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(); } /* * Enable gamma to match primary/cursor plane behaviour. * FIXME should be user controllable via propertiesa. */ dvscntr |= DVS_GAMMA_ENABLE; if (obj->tiling_mode != I915_TILING_NONE) dvscntr |= DVS_TILED; if (IS_GEN6(dev)) dvscntr |= DVS_TRICKLE_FEED_DISABLE; /* must disable */ intel_update_sprite_watermarks(plane, crtc, src_w, src_h, 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 (crtc_w != src_w || crtc_h != src_h) dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h; 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 (plane->state->rotation == BIT(DRM_ROTATE_180)) { dvscntr |= DVS_ROTATE_180; x += src_w; y += src_h; linear_offset += src_h * fb->pitches[0] + src_w * pixel_size; } intel_update_primary_plane(intel_crtc); if (key->flags) { I915_WRITE(DVSKEYVAL(pipe), key->min_value); I915_WRITE(DVSKEYMAX(pipe), key->max_value); I915_WRITE(DVSKEYMSK(pipe), key->channel_mask); } 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(DVSSTRIDE(pipe), fb->pitches[0]); I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x); 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_WRITE(DVSSURF(pipe), i915_gem_obj_ggtt_offset(obj) + dvssurf_offset); intel_flush_primary_plane(dev_priv, intel_crtc->plane); } 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); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int pipe = intel_plane->pipe; intel_update_primary_plane(intel_crtc); I915_WRITE(DVSCNTR(pipe), 0); /* Disable the scaler */ I915_WRITE(DVSSCALE(pipe), 0); /* Flush double buffered register updates */ I915_WRITE(DVSSURF(pipe), 0); intel_flush_primary_plane(dev_priv, intel_crtc->plane); } /** * intel_post_enable_primary - Perform operations after enabling primary plane * @crtc: the CRTC whose primary plane was just enabled * * Performs potentially sleeping operations that must be done after the primary * plane is enabled, such as updating FBC and IPS. Note that this may be * called due to an explicit primary plane update, or due to an implicit * re-enable that is caused when a sprite plane is updated to no longer * completely hide the primary plane. */ void intel_post_enable_primary(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); /* * BDW signals flip done immediately if the plane * is disabled, even if the plane enable is already * armed to occur at the next vblank :( */ if (IS_BROADWELL(dev)) intel_wait_for_vblank(dev, intel_crtc->pipe); /* * FIXME IPS should be fine as long as one plane is * enabled, but in practice it seems to have problems * when going from primary only to sprite only and vice * versa. */ hsw_enable_ips(intel_crtc); mutex_lock(&dev->struct_mutex); intel_fbc_update(dev); mutex_unlock(&dev->struct_mutex); } /** * intel_pre_disable_primary - Perform operations before disabling primary plane * @crtc: the CRTC whose primary plane is to be disabled * * Performs potentially sleeping operations that must be done before the * primary plane is enabled, such as updating FBC and IPS. Note that this may * be called due to an explicit primary plane update, or due to an implicit * disable that is caused when a sprite plane completely hides the primary * plane. */ void intel_pre_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); mutex_lock(&dev->struct_mutex); if (dev_priv->fbc.crtc == intel_crtc) intel_fbc_disable(dev); mutex_unlock(&dev->struct_mutex); /* * FIXME IPS should be fine as long as one plane is * enabled, but in practice it seems to have problems * when going from primary only to sprite only and vice * versa. */ hsw_disable_ips(intel_crtc); } static bool colorkey_enabled(struct intel_plane *intel_plane) { return intel_plane->ckey.flags != I915_SET_COLORKEY_NONE; } static int intel_check_sprite_plane(struct drm_plane *plane, struct intel_plane_state *state) { struct intel_crtc *intel_crtc = to_intel_crtc(state->base.crtc); struct intel_plane *intel_plane = to_intel_plane(plane); struct drm_framebuffer *fb = state->base.fb; int crtc_x, crtc_y; unsigned int crtc_w, crtc_h; uint32_t src_x, src_y, src_w, src_h; struct drm_rect *src = &state->src; struct drm_rect *dst = &state->dst; const struct drm_rect *clip = &state->clip; int hscale, vscale; int max_scale, min_scale; int pixel_size; intel_crtc = intel_crtc ? intel_crtc : to_intel_crtc(plane->crtc); if (!fb) { state->visible = false; goto finish; } /* 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; } /* * 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); drm_rect_rotate(src, fb->width << 16, fb->height << 16, state->base.rotation); 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); state->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 (state->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)); drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, state->base.rotation); /* sanity check to make sure the src viewport wasn't enlarged */ WARN_ON(src->x1 < (int) state->base.src_x || src->y1 < (int) state->base.src_y || src->x2 > (int) state->base.src_x + state->base.src_w || src->y2 > (int) state->base.src_y + state->base.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) state->visible = false; } } /* Check size restrictions when scaling */ if (state->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) state->visible = false; if (src_w < 3 || src_h < 3) state->visible = false; pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); 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; } } if (state->visible) { src->x1 = src_x; src->x2 = src_x + src_w; src->y1 = src_y; src->y2 = src_y + src_h; } dst->x1 = crtc_x; dst->x2 = crtc_x + crtc_w; dst->y1 = crtc_y; dst->y2 = crtc_y + crtc_h; finish: /* * If the sprite is completely covering the primary plane, * we can disable the primary and save power. */ state->hides_primary = fb != NULL && drm_rect_equals(dst, clip) && !colorkey_enabled(intel_plane); WARN_ON(state->hides_primary && !state->visible && intel_crtc->active); if (intel_crtc->active) { if (intel_crtc->primary_enabled == state->hides_primary) intel_crtc->atomic.wait_for_flips = true; if (intel_crtc->primary_enabled && state->hides_primary) intel_crtc->atomic.pre_disable_primary = true; intel_crtc->atomic.fb_bits |= INTEL_FRONTBUFFER_SPRITE(intel_crtc->pipe); if (!intel_crtc->primary_enabled && !state->hides_primary) intel_crtc->atomic.post_enable_primary = true; if (intel_wm_need_update(plane, &state->base)) intel_crtc->atomic.update_wm = true; if (!state->visible) { /* * Avoid underruns when disabling the sprite. * FIXME remove once watermark updates are done properly. */ intel_crtc->atomic.wait_vblank = true; intel_crtc->atomic.update_sprite_watermarks |= (1 << drm_plane_index(plane)); } } return 0; } static void intel_commit_sprite_plane(struct drm_plane *plane, struct intel_plane_state *state) { struct drm_crtc *crtc = state->base.crtc; struct intel_crtc *intel_crtc; struct intel_plane *intel_plane = to_intel_plane(plane); struct drm_framebuffer *fb = state->base.fb; int crtc_x, crtc_y; unsigned int crtc_w, crtc_h; uint32_t src_x, src_y, src_w, src_h; crtc = crtc ? crtc : plane->crtc; intel_crtc = to_intel_crtc(crtc); plane->fb = fb; if (intel_crtc->active) { intel_crtc->primary_enabled = !state->hides_primary; if (state->visible) { crtc_x = state->dst.x1; crtc_y = state->dst.y1; crtc_w = drm_rect_width(&state->dst); crtc_h = drm_rect_height(&state->dst); src_x = state->src.x1; src_y = state->src.y1; src_w = drm_rect_width(&state->src); src_h = drm_rect_height(&state->src); intel_plane->update_plane(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h); } else { intel_plane->disable_plane(plane, crtc); } } } 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_plane *plane; struct intel_plane *intel_plane; int ret = 0; /* 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; if (IS_VALLEYVIEW(dev) && set->flags & I915_SET_COLORKEY_DESTINATION) return -EINVAL; drm_modeset_lock_all(dev); plane = drm_plane_find(dev, set->plane_id); if (!plane) { ret = -ENOENT; goto out_unlock; } intel_plane = to_intel_plane(plane); intel_plane->ckey = *set; /* * The only way this could fail would be due to * the current plane state being unsupportable already, * and we dont't consider that an error for the * colorkey ioctl. So just ignore any error. */ intel_plane_restore(plane); out_unlock: drm_modeset_unlock_all(dev); return ret; } int intel_plane_restore(struct drm_plane *plane) { if (!plane->crtc || !plane->state->fb) return 0; return drm_plane_helper_update(plane, plane->crtc, plane->state->fb, plane->state->crtc_x, plane->state->crtc_y, plane->state->crtc_w, plane->state->crtc_h, plane->state->src_x, plane->state->src_y, plane->state->src_w, plane->state->src_h); } 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, }; static uint32_t skl_plane_formats[] = { DRM_FORMAT_RGB565, DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888, 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; struct intel_plane_state *state; 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(*intel_plane), GFP_KERNEL); if (!intel_plane) return -ENOMEM; state = intel_create_plane_state(&intel_plane->base); if (!state) { kfree(intel_plane); return -ENOMEM; } intel_plane->base.state = &state->base; 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; 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: case 8: 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; 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; plane_formats = snb_plane_formats; num_plane_formats = ARRAY_SIZE(snb_plane_formats); } break; case 9: /* * FIXME: Skylake planes can be scaled (with some restrictions), * but this is for another time. */ intel_plane->can_scale = false; intel_plane->max_downscale = 1; intel_plane->update_plane = skl_update_plane; intel_plane->disable_plane = skl_disable_plane; plane_formats = skl_plane_formats; num_plane_formats = ARRAY_SIZE(skl_plane_formats); break; default: kfree(intel_plane); return -ENODEV; } intel_plane->pipe = pipe; intel_plane->plane = plane; intel_plane->check_plane = intel_check_sprite_plane; intel_plane->commit_plane = intel_commit_sprite_plane; possible_crtcs = (1 << pipe); ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs, &intel_plane_funcs, plane_formats, num_plane_formats, DRM_PLANE_TYPE_OVERLAY); if (ret) { kfree(intel_plane); goto out; } intel_create_rotation_property(dev, intel_plane); drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs); out: return ret; }