| /* |
| * 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 <drm/drm_atomic.h> |
| #include <drm/drm_plane_helper.h> |
| #include "intel_drv.h" |
| #include <drm/i915_drm.h> |
| #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 *adjusted_mode, |
| int usecs) |
| { |
| /* paranoia */ |
| if (!adjusted_mode->crtc_htotal) |
| return 1; |
| |
| return DIV_ROUND_UP(usecs * adjusted_mode->crtc_clock, |
| 1000 * adjusted_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. |
| */ |
| void intel_pipe_update_start(struct intel_crtc *crtc) |
| { |
| struct drm_device *dev = crtc->base.dev; |
| const struct drm_display_mode *adjusted_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 = adjusted_mode->crtc_vblank_start; |
| if (adjusted_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(adjusted_mode, 100); |
| max = vblank_start - 1; |
| |
| local_irq_disable(); |
| |
| if (min <= 0 || max <= 0) |
| return; |
| |
| if (WARN_ON(drm_crtc_vblank_get(&crtc->base))) |
| return; |
| |
| crtc->debug.min_vbl = min; |
| crtc->debug.max_vbl = max; |
| trace_i915_pipe_update_start(crtc); |
| |
| 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); |
| |
| crtc->debug.scanline_start = scanline; |
| crtc->debug.start_vbl_time = ktime_get(); |
| crtc->debug.start_vbl_count = |
| dev->driver->get_vblank_counter(dev, pipe); |
| |
| trace_i915_pipe_update_vblank_evaded(crtc); |
| } |
| |
| /** |
| * 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) |
| { |
| struct drm_device *dev = crtc->base.dev; |
| enum pipe pipe = crtc->pipe; |
| int scanline_end = intel_get_crtc_scanline(crtc); |
| u32 end_vbl_count = dev->driver->get_vblank_counter(dev, pipe); |
| ktime_t end_vbl_time = ktime_get(); |
| |
| trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end); |
| |
| local_irq_enable(); |
| |
| if (crtc->debug.start_vbl_count && |
| crtc->debug.start_vbl_count != end_vbl_count) { |
| DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u) time %lld us, min %d, max %d, scanline start %d, end %d\n", |
| pipe_name(pipe), crtc->debug.start_vbl_count, |
| end_vbl_count, |
| ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time), |
| crtc->debug.min_vbl, crtc->debug.max_vbl, |
| crtc->debug.scanline_start, scanline_end); |
| } |
| } |
| |
| static void |
| skl_update_plane(struct drm_plane *drm_plane, |
| const struct intel_crtc_state *crtc_state, |
| const struct intel_plane_state *plane_state) |
| { |
| 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_framebuffer *fb = plane_state->base.fb; |
| 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; |
| const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; |
| u32 surf_addr; |
| u32 tile_height, plane_offset, plane_size; |
| unsigned int rotation = plane_state->base.rotation; |
| int x_offset, y_offset; |
| int crtc_x = plane_state->dst.x1; |
| int crtc_y = plane_state->dst.y1; |
| uint32_t crtc_w = drm_rect_width(&plane_state->dst); |
| uint32_t crtc_h = drm_rect_height(&plane_state->dst); |
| uint32_t x = plane_state->src.x1 >> 16; |
| uint32_t y = plane_state->src.y1 >> 16; |
| uint32_t src_w = drm_rect_width(&plane_state->src) >> 16; |
| uint32_t src_h = drm_rect_height(&plane_state->src) >> 16; |
| const struct intel_scaler *scaler = |
| &crtc_state->scaler_state.scalers[plane_state->scaler_id]; |
| |
| plane_ctl = PLANE_CTL_ENABLE | |
| PLANE_CTL_PIPE_GAMMA_ENABLE | |
| PLANE_CTL_PIPE_CSC_ENABLE; |
| |
| plane_ctl |= skl_plane_ctl_format(fb->pixel_format); |
| plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]); |
| |
| plane_ctl |= skl_plane_ctl_rotation(rotation); |
| |
| stride_div = intel_fb_stride_alignment(dev_priv, 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, 0); |
| |
| if (intel_rotation_90_or_270(rotation)) { |
| int cpp = drm_format_plane_cpp(fb->pixel_format, 0); |
| |
| /* stride: Surface height in tiles */ |
| tile_height = intel_tile_height(dev_priv, fb->modifier[0], cpp); |
| 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_SIZE(pipe, plane), plane_size); |
| |
| /* program plane scaler */ |
| if (plane_state->scaler_id >= 0) { |
| uint32_t ps_ctrl = 0; |
| int scaler_id = plane_state->scaler_id; |
| |
| DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n", plane, |
| PS_PLANE_SEL(plane)); |
| ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(plane) | scaler->mode; |
| I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl); |
| I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0); |
| I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (crtc_x << 16) | crtc_y); |
| I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id), |
| ((crtc_w + 1) << 16)|(crtc_h + 1)); |
| |
| I915_WRITE(PLANE_POS(pipe, plane), 0); |
| } else { |
| I915_WRITE(PLANE_POS(pipe, plane), (crtc_y << 16) | crtc_x); |
| } |
| |
| 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 *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); |
| const int pipe = intel_plane->pipe; |
| const int plane = intel_plane->plane + 1; |
| |
| I915_WRITE(PLANE_CTL(pipe, plane), 0); |
| |
| I915_WRITE(PLANE_SURF(pipe, plane), 0); |
| POSTING_READ(PLANE_SURF(pipe, plane)); |
| } |
| |
| 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, |
| const struct intel_crtc_state *crtc_state, |
| const struct intel_plane_state *plane_state) |
| { |
| 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 drm_framebuffer *fb = plane_state->base.fb; |
| struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
| int pipe = intel_plane->pipe; |
| int plane = intel_plane->plane; |
| u32 sprctl; |
| u32 sprsurf_offset, linear_offset; |
| unsigned int rotation = dplane->state->rotation; |
| int cpp = drm_format_plane_cpp(fb->pixel_format, 0); |
| const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; |
| int crtc_x = plane_state->dst.x1; |
| int crtc_y = plane_state->dst.y1; |
| uint32_t crtc_w = drm_rect_width(&plane_state->dst); |
| uint32_t crtc_h = drm_rect_height(&plane_state->dst); |
| uint32_t x = plane_state->src.x1 >> 16; |
| uint32_t y = plane_state->src.y1 >> 16; |
| uint32_t src_w = drm_rect_width(&plane_state->src) >> 16; |
| uint32_t src_h = drm_rect_height(&plane_state->src) >> 16; |
| |
| 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; |
| |
| /* Sizes are 0 based */ |
| src_w--; |
| src_h--; |
| crtc_w--; |
| crtc_h--; |
| |
| linear_offset = y * fb->pitches[0] + x * cpp; |
| sprsurf_offset = intel_compute_tile_offset(&x, &y, fb, 0, |
| fb->pitches[0], rotation); |
| linear_offset -= sprsurf_offset; |
| |
| if (rotation == BIT(DRM_ROTATE_180)) { |
| sprctl |= SP_ROTATE_180; |
| |
| x += src_w; |
| y += src_h; |
| linear_offset += src_h * fb->pitches[0] + src_w * cpp; |
| } |
| |
| 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); |
| 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), 0); |
| |
| I915_WRITE(SPSURF(pipe, plane), 0); |
| POSTING_READ(SPSURF(pipe, plane)); |
| } |
| |
| static void |
| ivb_update_plane(struct drm_plane *plane, |
| const struct intel_crtc_state *crtc_state, |
| const struct intel_plane_state *plane_state) |
| { |
| 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 drm_framebuffer *fb = plane_state->base.fb; |
| struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
| enum pipe pipe = intel_plane->pipe; |
| u32 sprctl, sprscale = 0; |
| u32 sprsurf_offset, linear_offset; |
| unsigned int rotation = plane_state->base.rotation; |
| int cpp = drm_format_plane_cpp(fb->pixel_format, 0); |
| const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; |
| int crtc_x = plane_state->dst.x1; |
| int crtc_y = plane_state->dst.y1; |
| uint32_t crtc_w = drm_rect_width(&plane_state->dst); |
| uint32_t crtc_h = drm_rect_height(&plane_state->dst); |
| uint32_t x = plane_state->src.x1 >> 16; |
| uint32_t y = plane_state->src.y1 >> 16; |
| uint32_t src_w = drm_rect_width(&plane_state->src) >> 16; |
| uint32_t src_h = drm_rect_height(&plane_state->src) >> 16; |
| |
| 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; |
| |
| /* 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 * cpp; |
| sprsurf_offset = intel_compute_tile_offset(&x, &y, fb, 0, |
| fb->pitches[0], rotation); |
| linear_offset -= sprsurf_offset; |
| |
| if (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 * cpp; |
| } |
| } |
| |
| 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); |
| POSTING_READ(SPRSURF(pipe)); |
| } |
| |
| 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; |
| |
| I915_WRITE(SPRCTL(pipe), 0); |
| /* Can't leave the scaler enabled... */ |
| if (intel_plane->can_scale) |
| I915_WRITE(SPRSCALE(pipe), 0); |
| |
| I915_WRITE(SPRSURF(pipe), 0); |
| POSTING_READ(SPRSURF(pipe)); |
| } |
| |
| static void |
| ilk_update_plane(struct drm_plane *plane, |
| const struct intel_crtc_state *crtc_state, |
| const struct intel_plane_state *plane_state) |
| { |
| 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 drm_framebuffer *fb = plane_state->base.fb; |
| struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
| int pipe = intel_plane->pipe; |
| u32 dvscntr, dvsscale; |
| u32 dvssurf_offset, linear_offset; |
| unsigned int rotation = plane_state->base.rotation; |
| int cpp = drm_format_plane_cpp(fb->pixel_format, 0); |
| const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; |
| int crtc_x = plane_state->dst.x1; |
| int crtc_y = plane_state->dst.y1; |
| uint32_t crtc_w = drm_rect_width(&plane_state->dst); |
| uint32_t crtc_h = drm_rect_height(&plane_state->dst); |
| uint32_t x = plane_state->src.x1 >> 16; |
| uint32_t y = plane_state->src.y1 >> 16; |
| uint32_t src_w = drm_rect_width(&plane_state->src) >> 16; |
| uint32_t src_h = drm_rect_height(&plane_state->src) >> 16; |
| |
| 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 */ |
| |
| /* 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 * cpp; |
| dvssurf_offset = intel_compute_tile_offset(&x, &y, fb, 0, |
| fb->pitches[0], rotation); |
| linear_offset -= dvssurf_offset; |
| |
| if (rotation == BIT(DRM_ROTATE_180)) { |
| dvscntr |= DVS_ROTATE_180; |
| |
| x += src_w; |
| y += src_h; |
| linear_offset += src_h * fb->pitches[0] + src_w * cpp; |
| } |
| |
| 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); |
| 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), 0); |
| /* Disable the scaler */ |
| I915_WRITE(DVSSCALE(pipe), 0); |
| |
| I915_WRITE(DVSSURF(pipe), 0); |
| POSTING_READ(DVSSURF(pipe)); |
| } |
| |
| static int |
| intel_check_sprite_plane(struct drm_plane *plane, |
| struct intel_crtc_state *crtc_state, |
| struct intel_plane_state *state) |
| { |
| struct drm_device *dev = plane->dev; |
| struct drm_crtc *crtc = state->base.crtc; |
| struct intel_crtc *intel_crtc = to_intel_crtc(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; |
| bool can_scale; |
| |
| if (!fb) { |
| state->visible = false; |
| return 0; |
| } |
| |
| /* 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; |
| } |
| |
| /* setup can_scale, min_scale, max_scale */ |
| if (INTEL_INFO(dev)->gen >= 9) { |
| /* use scaler when colorkey is not required */ |
| if (state->ckey.flags == I915_SET_COLORKEY_NONE) { |
| can_scale = 1; |
| min_scale = 1; |
| max_scale = skl_max_scale(intel_crtc, crtc_state); |
| } else { |
| can_scale = 0; |
| min_scale = DRM_PLANE_HELPER_NO_SCALING; |
| max_scale = DRM_PLANE_HELPER_NO_SCALING; |
| } |
| } else { |
| can_scale = intel_plane->can_scale; |
| max_scale = intel_plane->max_downscale << 16; |
| min_scale = intel_plane->can_scale ? 1 : (1 << 16); |
| } |
| |
| /* |
| * 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. |
| */ |
| 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: ", src, true); |
| drm_rect_debug_print("dst: ", 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: ", src, true); |
| drm_rect_debug_print("dst: ", 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 (!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; |
| int cpp = drm_format_plane_cpp(fb->pixel_format, 0); |
| |
| WARN_ON(!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; |
| |
| width_bytes = ((src_x * cpp) & 63) + src_w * cpp; |
| |
| if (INTEL_INFO(dev)->gen < 9 && (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 << 16; |
| src->x2 = (src_x + src_w) << 16; |
| src->y1 = src_y << 16; |
| src->y2 = (src_y + src_h) << 16; |
| } |
| |
| dst->x1 = crtc_x; |
| dst->x2 = crtc_x + crtc_w; |
| dst->y1 = crtc_y; |
| dst->y2 = crtc_y + crtc_h; |
| |
| return 0; |
| } |
| |
| 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 drm_plane_state *plane_state; |
| struct drm_atomic_state *state; |
| struct drm_modeset_acquire_ctx ctx; |
| 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) || IS_CHERRYVIEW(dev)) && |
| set->flags & I915_SET_COLORKEY_DESTINATION) |
| return -EINVAL; |
| |
| plane = drm_plane_find(dev, set->plane_id); |
| if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY) |
| return -ENOENT; |
| |
| drm_modeset_acquire_init(&ctx, 0); |
| |
| state = drm_atomic_state_alloc(plane->dev); |
| if (!state) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| state->acquire_ctx = &ctx; |
| |
| while (1) { |
| plane_state = drm_atomic_get_plane_state(state, plane); |
| ret = PTR_ERR_OR_ZERO(plane_state); |
| if (!ret) { |
| to_intel_plane_state(plane_state)->ckey = *set; |
| ret = drm_atomic_commit(state); |
| } |
| |
| if (ret != -EDEADLK) |
| break; |
| |
| drm_atomic_state_clear(state); |
| drm_modeset_backoff(&ctx); |
| } |
| |
| if (ret) |
| drm_atomic_state_free(state); |
| |
| out: |
| drm_modeset_drop_locks(&ctx); |
| drm_modeset_acquire_fini(&ctx); |
| return ret; |
| } |
| |
| static const uint32_t ilk_plane_formats[] = { |
| DRM_FORMAT_XRGB8888, |
| DRM_FORMAT_YUYV, |
| DRM_FORMAT_YVYU, |
| DRM_FORMAT_UYVY, |
| DRM_FORMAT_VYUY, |
| }; |
| |
| static const uint32_t snb_plane_formats[] = { |
| DRM_FORMAT_XBGR8888, |
| DRM_FORMAT_XRGB8888, |
| DRM_FORMAT_YUYV, |
| DRM_FORMAT_YVYU, |
| DRM_FORMAT_UYVY, |
| DRM_FORMAT_VYUY, |
| }; |
| |
| static const 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) || IS_CHERRYVIEW(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: |
| intel_plane->can_scale = true; |
| intel_plane->update_plane = skl_update_plane; |
| intel_plane->disable_plane = skl_disable_plane; |
| state->scaler_id = -1; |
| |
| 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->frontbuffer_bit = INTEL_FRONTBUFFER_SPRITE(pipe, plane); |
| intel_plane->check_plane = intel_check_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, NULL); |
| 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; |
| } |