The video sprites support video surface formats natively and can handle scaling well. So add support for them using the new DRM core overlay support functions.
Signed-off-by: Jesse Barnes jbarnes@virtuousgeek.org --- drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/i915_reg.h | 52 +++++++++ drivers/gpu/drm/i915/intel_display.c | 19 +++- drivers/gpu/drm/i915/intel_drv.h | 14 +++ drivers/gpu/drm/i915/intel_fb.c | 6 + drivers/gpu/drm/i915/intel_overlay2.c | 188 +++++++++++++++++++++++++++++++++ 6 files changed, 274 insertions(+), 6 deletions(-) create mode 100644 drivers/gpu/drm/i915/intel_overlay2.c
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 0ae6a7c..6193471 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -28,6 +28,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \ intel_dvo.o \ intel_ringbuffer.o \ intel_overlay.o \ + intel_overlay2.o \ intel_opregion.o \ dvo_ch7xxx.o \ dvo_ch7017.o \ diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 2f967af..c81c4e7 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2627,6 +2627,58 @@ #define _DSPBSURF 0x7119C #define _DSPBTILEOFF 0x711A4
+/* Sprite A control */ +#define _DVSACNTR 0x72180 +#define DVS_ENABLE (1<<31) +#define DVS_GAMMA_ENABLE (1<<30) +#define DVS_PIXFORMAT_MASK (3<<25) +#define DVS_FORMAT_YUV422 (0<<25) +#define DVS_FORMAT_RGBX101010 (1<<25) +#define DVS_FORMAT_RGBX888 (2<<25) +#define DVS_FORMAT_RGBX161616 (3<<25) +#define DVS_SOURCE_KEY (1<<22) +#define DVS_RGB_ORDER_RGBX (1<<20) +#define DVS_YUV_BYTE_ORDER_MASK (3<<16) +#define DVS_YUV_ORDER_YUYV (0<<16) +#define DVS_YUV_ORDER_UYVY (1<<16) +#define DVS_YUV_ORDER_YVYU (2<<16) +#define DVS_YUV_ORDER_VYUY (3<<16) +#define DVS_DEST_KEY (1<<2) +#define DVS_TRICKLE_FEED_DISABLE (1<<14) +#define DVS_TILED (1<<10) +#define _DVSASTRIDE 0x72188 +#define _DVSAPOS 0x7218c +#define _DVSASIZE 0x72190 +#define _DVSAKEYVAL 0x72194 +#define _DVSAKEYMSK 0x72198 +#define _DVSASURF 0x7219c +#define _DVSAKEYMAXVAL 0x721a0 +#define _DVSATILEOFF 0x721a4 +#define _DVSASURFLIVE 0x721ac +#define _DVSASCALE 0x72204 +#define _DVSAGAMC 0x72300 + +#define _DVSBCNTR 0x73180 +#define _DVSBSTRIDE 0x73188 +#define _DVSBPOS 0x7318c +#define _DVSBSIZE 0x73190 +#define _DVSBKEYVAL 0x73194 +#define _DVSBKEYMSK 0x73198 +#define _DVSBSURF 0x7319c +#define _DVSBKEYMAXVAL 0x731a0 +#define _DVSBTILEOFF 0x731a4 +#define _DVSBSURFLIVE 0x731ac +#define _DVSBSCALE 0x73204 +#define _DVSBGAMC 0x73300 + +#define DVSCNTR(pipe) _PIPE(pipe, _DVSACNTR, _DVSBCNTR) +#define DVSSTRIDE(pipe) _PIPE(pipe, _DVSASTRIDE, _DVSBSTRIDE) +#define DVSPOS(pipe) _PIPE(pipe, _DVSAPOS, _DVSBPOS) +#define DVSSURF(pipe) _PIPE(pipe, _DVSASURF, _DVSBSURF) +#define DVSSIZE(pipe) _PIPE(pipe, _DVSASIZE, _DVSBSIZE) +#define DVSSCALE(pipe) _PIPE(pipe, _DVSASCALE, _DVSBSCALE) +#define DVSTILEOFF(pipe) _PIPE(pipe, _DVSATILEOFF, _DVSBTILEOFF) + /* VBIOS regs */ #define VGACNTRL 0x71400 # define VGA_DISP_DISABLE (1 << 31) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 7901f16..72a570a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -900,8 +900,8 @@ static void assert_panel_unlocked(struct drm_i915_private *dev_priv, pipe_name(pipe)); }
-static void assert_pipe(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state) +void assert_pipe(struct drm_i915_private *dev_priv, + enum pipe pipe, bool state) { int reg; u32 val; @@ -914,8 +914,6 @@ static void assert_pipe(struct drm_i915_private *dev_priv, "pipe %c assertion failure (expected %s, current %s)\n", pipe_name(pipe), state_string(state), state_string(cur_state)); } -#define assert_pipe_enabled(d, p) assert_pipe(d, p, true) -#define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
static void assert_plane_enabled(struct drm_i915_private *dev_priv, enum plane plane) @@ -4319,7 +4317,8 @@ static void sandybridge_update_wm(struct drm_device *dev) &sandybridge_cursor_wm_info, latency, &plane_wm, &cursor_wm)) { I915_WRITE(WM0_PIPEA_ILK, - (plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm); + (plane_wm << WM0_PIPE_PLANE_SHIFT) | + (plane_wm << WM0_PIPE_SPRITE_SHIFT) | cursor_wm); DRM_DEBUG_KMS("FIFO watermarks For pipe A -" " plane %d, " "cursor: %d\n", plane_wm, cursor_wm); @@ -4331,7 +4330,8 @@ static void sandybridge_update_wm(struct drm_device *dev) &sandybridge_cursor_wm_info, latency, &plane_wm, &cursor_wm)) { I915_WRITE(WM0_PIPEB_ILK, - (plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm); + (plane_wm << WM0_PIPE_PLANE_SHIFT) | + (plane_wm << WM0_PIPE_SPRITE_SHIFT) | cursor_wm); DRM_DEBUG_KMS("FIFO watermarks For pipe B -" " plane %d, cursor: %d\n", plane_wm, cursor_wm); @@ -4371,6 +4371,11 @@ static void sandybridge_update_wm(struct drm_device *dev) (plane_wm << WM1_LP_SR_SHIFT) | cursor_wm);
+#if 0 + I915_WRITE(WM1S_LP_ILK, + WM1S_LP_EN | +#endif + /* WM2 */ if (!ironlake_compute_srwm(dev, 2, enabled, SNB_READ_WM2_LATENCY() * 500, @@ -8013,6 +8018,8 @@ void intel_modeset_init(struct drm_device *dev)
for (i = 0; i < dev_priv->num_pipe; i++) { intel_crtc_init(dev, i); + if (HAS_PCH_SPLIT(dev)) + intel_plane_init(dev, i); }
/* Just disable it once at startup */ diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index d73e622..232d797 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -173,10 +173,18 @@ struct intel_crtc { unsigned int bpp; };
+struct intel_plane { + struct drm_plane base; + enum pipe pipe; + struct drm_i915_gem_object *obj; + u32 lut_r[1024], lut_g[1024], lut_b[1024]; +}; + #define to_intel_crtc(x) container_of(x, struct intel_crtc, base) #define to_intel_connector(x) container_of(x, struct intel_connector, base) #define to_intel_encoder(x) container_of(x, struct intel_encoder, base) #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base) +#define to_intel_plane(x) container_of(x, struct intel_plane, base)
#define DIP_TYPE_AVI 0x82 #define DIP_VERSION_AVI 0x2 @@ -255,6 +263,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, extern bool intel_dpd_is_edp(struct drm_device *dev); extern void intel_edp_link_config (struct intel_encoder *, int *, int *); extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder); +extern void intel_plane_init(struct drm_device *dev, enum pipe pipe);
/* intel_panel.c */ extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, @@ -346,5 +355,10 @@ extern int intel_overlay_attrs(struct drm_device *dev, void *data, extern void intel_fb_output_poll_changed(struct drm_device *dev); extern void intel_fb_restore_mode(struct drm_device *dev);
+extern void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, + bool state); +#define assert_pipe_enabled(d, p) assert_pipe(d, p, true) +#define assert_pipe_disabled(d, p) assert_pipe(d, p, false) + extern void intel_init_clock_gating(struct drm_device *dev); #endif /* __INTEL_DRV_H__ */ diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 11baa99..513a40c 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -270,8 +270,14 @@ void intel_fb_restore_mode(struct drm_device *dev) { int ret; drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_mode_config *config = &dev->mode_config; + struct drm_plane *plane;
ret = drm_fb_helper_restore_fbdev_mode(&dev_priv->fbdev->helper); if (ret) DRM_DEBUG("failed to restore crtc mode\n"); + + /* Be sure to shut off any planes that may be active */ + list_for_each_entry(plane, &config->plane_list, head) + plane->funcs->disable_plane(plane); } diff --git a/drivers/gpu/drm/i915/intel_overlay2.c b/drivers/gpu/drm/i915/intel_overlay2.c new file mode 100644 index 0000000..19fd76f --- /dev/null +++ b/drivers/gpu/drm/i915/intel_overlay2.c @@ -0,0 +1,188 @@ +/* + * 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 "drmP.h" +#include "drm_crtc.h" +#include "intel_drv.h" +#include "i915_drm.h" +#include "i915_drv.h" + +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_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; + unsigned long start, offset; + u32 dvscntr; + u32 reg = DVSCNTR(pipe); + int ret = 0; + int x = src_x >> 16, y = src_y >> 16; + + assert_pipe_enabled(dev_priv, pipe); + + intel_fb = to_intel_framebuffer(fb); + obj = intel_fb->obj; + + old_obj = intel_plane->obj; + + mutex_lock(&dev->struct_mutex); + ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); + if (ret) + goto out_unlock; + + intel_plane->obj = obj; + + dvscntr = I915_READ(reg); + + /* Mask out pixel format bits in case we change it */ + dvscntr &= ~DVS_PIXFORMAT_MASK; + dvscntr &= ~DVS_RGB_ORDER_RGBX; + dvscntr &= ~DVS_YUV_BYTE_ORDER_MASK; + + switch (fb->pixel_format) { + case V4L2_PIX_FMT_BGR32: + dvscntr |= DVS_FORMAT_RGBX888; + break; + case V4L2_PIX_FMT_RGB32: + dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_RGBX; + break; + case V4L2_PIX_FMT_YUYV: + dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV; + break; + case V4L2_PIX_FMT_YVYU: + dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU; + break; + case V4L2_PIX_FMT_UYVY: + dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY; + break; + case V4L2_PIX_FMT_VYUY: + dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY; + break; + default: + ret = -EINVAL; + DRM_DEBUG_KMS("bad pixel format\n"); + goto out_unlock; + } + + if (obj->tiling_mode != I915_TILING_X) { + DRM_DEBUG_KMS("plane surfaces must be X tiled\n"); + ret = -EINVAL; + goto out_unlock; + } + + dvscntr |= DVS_TILED; + + /* must disable */ + dvscntr |= DVS_TRICKLE_FEED_DISABLE; + dvscntr |= DVS_DEST_KEY; + dvscntr |= DVS_ENABLE; + + start = obj->gtt_offset; + offset = y * fb->pitch + x * (fb->bits_per_pixel / 8); + + I915_WRITE(DVSSTRIDE(pipe), fb->pitch); + I915_WRITE(DVSPOS(pipe), (crtc_y << 16) | crtc_x); + I915_WRITE(DVSTILEOFF(pipe), (y << 16) | x); + I915_WRITE(DVSSIZE(pipe), (fb->height << 16) | fb->width); + I915_WRITE(DVSSCALE(pipe), 0); + I915_WRITE(reg, dvscntr); + I915_WRITE(DVSSURF(pipe), start); + POSTING_READ(DVSSURF(pipe)); + + /* Unpin old obj after new one is active to avoid ugliness */ + if (old_obj) { + intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe); + i915_gem_object_unpin(old_obj); + } + +out_unlock: + mutex_unlock(&dev->struct_mutex); + + return ret; +} + +static void +intel_disable_plane(struct drm_plane *plane) +{ + struct drm_device *dev = plane->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_plane *intel_plane = to_intel_plane(plane); + int pipe = intel_plane->pipe; + + I915_WRITE(DVSCNTR(pipe), I915_READ(DVSCNTR(pipe)) & ~DVS_ENABLE); + I915_WRITE(DVSSURF(pipe), 0); + POSTING_READ(DVSSURF(pipe)); +} + +static const struct drm_plane_funcs intel_plane_funcs = { + .update_plane = intel_update_plane, + .disable_plane = intel_disable_plane, +}; + +static uint32_t snb_plane_formats[] = { + V4L2_PIX_FMT_BGR32, + V4L2_PIX_FMT_RGB32, + V4L2_PIX_FMT_YUYV, + V4L2_PIX_FMT_YVYU, + V4L2_PIX_FMT_UYVY, + V4L2_PIX_FMT_VYUY, +}; + +void +intel_plane_init(struct drm_device *dev, enum pipe pipe) +{ + struct intel_plane *intel_plane; + unsigned long possible_crtcs; + + if (!IS_GEN6(dev)) { + DRM_ERROR("new plane code only for SNB\n"); + return; + } + + intel_plane = kzalloc(sizeof(struct intel_plane), GFP_KERNEL); + if (!intel_plane) + return; + + intel_plane->pipe = pipe; + possible_crtcs = (1 << pipe); + drm_plane_init(dev, &intel_plane->base, possible_crtcs, + &intel_plane_funcs, snb_plane_formats, + ARRAY_SIZE(snb_plane_formats)); +} +