On Thu, Dec 10, 2020 at 02:17:51PM +1000, Dave Airlie wrote:
> From: Dave Airlie <[email protected]>
> 
> There may be more crtc code that can be pulled out, but this
> is a good start.
a> 
> RFC: maybe call the new file something different

Most of that seems to be the primary plane code.

What I would so is:
* i9xx_plane.c for all pre-skl plane code
* skl_universal_plane.c for the skl+ plane code
* non-platform specific plane code probably should go
  to intel_atomic_plane.c which could perhaps use
  a rename to just intel_plane.c

> 
> Signed-off-by: Dave Airlie <[email protected]>
> ---
>  drivers/gpu/drm/i915/Makefile                |   1 +
>  drivers/gpu/drm/i915/display/intel_crtc.c    | 951 +++++++++++++++++++
>  drivers/gpu/drm/i915/display/intel_display.c | 932 ------------------
>  drivers/gpu/drm/i915/display/intel_display.h |   7 +
>  4 files changed, 959 insertions(+), 932 deletions(-)
>  create mode 100644 drivers/gpu/drm/i915/display/intel_crtc.c
> 
> diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> index 98a35b939052..ffec257702af 100644
> --- a/drivers/gpu/drm/i915/Makefile
> +++ b/drivers/gpu/drm/i915/Makefile
> @@ -196,6 +196,7 @@ i915-y += \
>       display/intel_color.o \
>       display/intel_combo_phy.o \
>       display/intel_connector.o \
> +     display/intel_crtc.o \
>       display/intel_csr.o \
>       display/intel_cursor.o \
>       display/intel_display.o \
> diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c 
> b/drivers/gpu/drm/i915/display/intel_crtc.c
> new file mode 100644
> index 000000000000..75a79f18cee2
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/display/intel_crtc.c
> @@ -0,0 +1,951 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * Copyright © 2020 Intel Corporation
> + */
> +#include <linux/kernel.h>
> +#include <linux/slab.h>
> +
> +#include <drm/drm_atomic_helper.h>
> +#include <drm/drm_fourcc.h>
> +#include <drm/drm_plane.h>
> +#include <drm/drm_plane_helper.h>
> +
> +#include "intel_atomic.h"
> +#include "intel_atomic_plane.h"
> +#include "intel_color.h"
> +#include "intel_display_debugfs.h"
> +#include "intel_display_types.h"
> +#include "intel_pipe_crc.h"
> +#include "intel_sprite.h"
> +
> +/* Primary plane formats for gen <= 3 */
> +static const u32 i8xx_primary_formats[] = {
> +     DRM_FORMAT_C8,
> +     DRM_FORMAT_XRGB1555,
> +     DRM_FORMAT_RGB565,
> +     DRM_FORMAT_XRGB8888,
> +};
> +
> +/* Primary plane formats for ivb (no fp16 due to hw issue) */
> +static const u32 ivb_primary_formats[] = {
> +     DRM_FORMAT_C8,
> +     DRM_FORMAT_RGB565,
> +     DRM_FORMAT_XRGB8888,
> +     DRM_FORMAT_XBGR8888,
> +     DRM_FORMAT_XRGB2101010,
> +     DRM_FORMAT_XBGR2101010,
> +};
> +
> +/* Primary plane formats for gen >= 4, except ivb */
> +static const u32 i965_primary_formats[] = {
> +     DRM_FORMAT_C8,
> +     DRM_FORMAT_RGB565,
> +     DRM_FORMAT_XRGB8888,
> +     DRM_FORMAT_XBGR8888,
> +     DRM_FORMAT_XRGB2101010,
> +     DRM_FORMAT_XBGR2101010,
> +     DRM_FORMAT_XBGR16161616F,
> +};
> +
> +/* Primary plane formats for vlv/chv */
> +static const u32 vlv_primary_formats[] = {
> +     DRM_FORMAT_C8,
> +     DRM_FORMAT_RGB565,
> +     DRM_FORMAT_XRGB8888,
> +     DRM_FORMAT_XBGR8888,
> +     DRM_FORMAT_ARGB8888,
> +     DRM_FORMAT_ABGR8888,
> +     DRM_FORMAT_XRGB2101010,
> +     DRM_FORMAT_XBGR2101010,
> +     DRM_FORMAT_ARGB2101010,
> +     DRM_FORMAT_ABGR2101010,
> +     DRM_FORMAT_XBGR16161616F,
> +};
> +
> +static const u64 i9xx_format_modifiers[] = {
> +     I915_FORMAT_MOD_X_TILED,
> +     DRM_FORMAT_MOD_LINEAR,
> +     DRM_FORMAT_MOD_INVALID
> +};
> +
> +static bool i8xx_plane_format_mod_supported(struct drm_plane *_plane,
> +                                         u32 format, u64 modifier)
> +{
> +     switch (modifier) {
> +     case DRM_FORMAT_MOD_LINEAR:
> +     case I915_FORMAT_MOD_X_TILED:
> +             break;
> +     default:
> +             return false;
> +     }
> +
> +     switch (format) {
> +     case DRM_FORMAT_C8:
> +     case DRM_FORMAT_RGB565:
> +     case DRM_FORMAT_XRGB1555:
> +     case DRM_FORMAT_XRGB8888:
> +             return modifier == DRM_FORMAT_MOD_LINEAR ||
> +                     modifier == I915_FORMAT_MOD_X_TILED;
> +     default:
> +             return false;
> +     }
> +}
> +
> +static bool i965_plane_format_mod_supported(struct drm_plane *_plane,
> +                                         u32 format, u64 modifier)
> +{
> +     switch (modifier) {
> +     case DRM_FORMAT_MOD_LINEAR:
> +     case I915_FORMAT_MOD_X_TILED:
> +             break;
> +     default:
> +             return false;
> +     }
> +
> +     switch (format) {
> +     case DRM_FORMAT_C8:
> +     case DRM_FORMAT_RGB565:
> +     case DRM_FORMAT_XRGB8888:
> +     case DRM_FORMAT_XBGR8888:
> +     case DRM_FORMAT_ARGB8888:
> +     case DRM_FORMAT_ABGR8888:
> +     case DRM_FORMAT_XRGB2101010:
> +     case DRM_FORMAT_XBGR2101010:
> +     case DRM_FORMAT_ARGB2101010:
> +     case DRM_FORMAT_ABGR2101010:
> +     case DRM_FORMAT_XBGR16161616F:
> +             return modifier == DRM_FORMAT_MOD_LINEAR ||
> +                     modifier == I915_FORMAT_MOD_X_TILED;
> +     default:
> +             return false;
> +     }
> +}
> +
> +static bool i9xx_plane_has_fbc(struct drm_i915_private *dev_priv,
> +                            enum i9xx_plane_id i9xx_plane)
> +{
> +     if (!HAS_FBC(dev_priv))
> +             return false;
> +
> +     if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
> +             return i9xx_plane == PLANE_A; /* tied to pipe A */
> +     else if (IS_IVYBRIDGE(dev_priv))
> +             return i9xx_plane == PLANE_A || i9xx_plane == PLANE_B ||
> +                     i9xx_plane == PLANE_C;
> +     else if (INTEL_GEN(dev_priv) >= 4)
> +             return i9xx_plane == PLANE_A || i9xx_plane == PLANE_B;
> +     else
> +             return i9xx_plane == PLANE_A;
> +}
> +
> +static void assert_vblank_disabled(struct drm_crtc *crtc)
> +{
> +     if (I915_STATE_WARN_ON(drm_crtc_vblank_get(crtc) == 0))
> +             drm_crtc_vblank_put(crtc);
> +}
> +
> +u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
> +{
> +     struct drm_device *dev = crtc->base.dev;
> +     struct drm_vblank_crtc *vblank = 
> &dev->vblank[drm_crtc_index(&crtc->base)];
> +
> +     if (!vblank->max_vblank_count)
> +             return (u32)drm_crtc_accurate_vblank_count(&crtc->base);
> +
> +     return crtc->base.funcs->get_vblank_counter(&crtc->base);
> +}
> +
> +u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state)
> +{
> +     struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
> +     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> +     u32 mode_flags = crtc->mode_flags;
> +
> +     /*
> +      * From Gen 11, In case of dsi cmd mode, frame counter wouldnt
> +      * have updated at the beginning of TE, if we want to use
> +      * the hw counter, then we would find it updated in only
> +      * the next TE, hence switching to sw counter.
> +      */
> +     if (mode_flags & (I915_MODE_FLAG_DSI_USE_TE0 | 
> I915_MODE_FLAG_DSI_USE_TE1))
> +             return 0;
> +
> +     /*
> +      * On i965gm the hardware frame counter reads
> +      * zero when the TV encoder is enabled :(
> +      */
> +     if (IS_I965GM(dev_priv) &&
> +         (crtc_state->output_types & BIT(INTEL_OUTPUT_TVOUT)))
> +             return 0;
> +
> +     if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
> +             return 0xffffffff; /* full 32 bit counter */
> +     else if (INTEL_GEN(dev_priv) >= 3)
> +             return 0xffffff; /* only 24 bits of frame count */
> +     else
> +             return 0; /* Gen2 doesn't have a hardware frame counter */
> +}
> +
> +void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state)
> +{
> +     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> +
> +     assert_vblank_disabled(&crtc->base);
> +     drm_crtc_set_max_vblank_count(&crtc->base,
> +                                   intel_crtc_max_vblank_count(crtc_state));
> +     drm_crtc_vblank_on(&crtc->base);
> +}
> +
> +void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state)
> +{
> +     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> +
> +     drm_crtc_vblank_off(&crtc->base);
> +     assert_vblank_disabled(&crtc->base);
> +}
> +
> +struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc)
> +{
> +     struct intel_crtc_state *crtc_state;
> +
> +     crtc_state = kmalloc(sizeof(*crtc_state), GFP_KERNEL);
> +
> +     if (crtc_state)
> +             intel_crtc_state_reset(crtc_state, crtc);
> +
> +     return crtc_state;
> +}
> +
> +void intel_crtc_state_reset(struct intel_crtc_state *crtc_state,
> +                         struct intel_crtc *crtc)
> +{
> +     memset(crtc_state, 0, sizeof(*crtc_state));
> +
> +     __drm_atomic_helper_crtc_state_reset(&crtc_state->uapi, &crtc->base);
> +
> +     crtc_state->cpu_transcoder = INVALID_TRANSCODER;
> +     crtc_state->master_transcoder = INVALID_TRANSCODER;
> +     crtc_state->hsw_workaround_pipe = INVALID_PIPE;
> +     crtc_state->output_format = INTEL_OUTPUT_FORMAT_INVALID;
> +     crtc_state->scaler_state.scaler_id = -1;
> +     crtc_state->mst_master_transcoder = INVALID_TRANSCODER;
> +}
> +
> +static bool i9xx_plane_has_windowing(struct intel_plane *plane)
> +{
> +     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> +     enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
> +
> +     if (IS_CHERRYVIEW(dev_priv))
> +             return i9xx_plane == PLANE_B;
> +     else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
> +             return false;
> +     else if (IS_GEN(dev_priv, 4))
> +             return i9xx_plane == PLANE_C;
> +     else
> +             return i9xx_plane == PLANE_B ||
> +                     i9xx_plane == PLANE_C;
> +}
> +
> +static u32 i9xx_plane_ctl(const struct intel_crtc_state *crtc_state,
> +                       const struct intel_plane_state *plane_state)
> +{
> +     struct drm_i915_private *dev_priv =
> +             to_i915(plane_state->uapi.plane->dev);
> +     const struct drm_framebuffer *fb = plane_state->hw.fb;
> +     unsigned int rotation = plane_state->hw.rotation;
> +     u32 dspcntr;
> +
> +     dspcntr = DISPLAY_PLANE_ENABLE;
> +
> +     if (IS_G4X(dev_priv) || IS_GEN(dev_priv, 5) ||
> +         IS_GEN(dev_priv, 6) || IS_IVYBRIDGE(dev_priv))
> +             dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
> +
> +     switch (fb->format->format) {
> +     case DRM_FORMAT_C8:
> +             dspcntr |= DISPPLANE_8BPP;
> +             break;
> +     case DRM_FORMAT_XRGB1555:
> +             dspcntr |= DISPPLANE_BGRX555;
> +             break;
> +     case DRM_FORMAT_ARGB1555:
> +             dspcntr |= DISPPLANE_BGRA555;
> +             break;
> +     case DRM_FORMAT_RGB565:
> +             dspcntr |= DISPPLANE_BGRX565;
> +             break;
> +     case DRM_FORMAT_XRGB8888:
> +             dspcntr |= DISPPLANE_BGRX888;
> +             break;
> +     case DRM_FORMAT_XBGR8888:
> +             dspcntr |= DISPPLANE_RGBX888;
> +             break;
> +     case DRM_FORMAT_ARGB8888:
> +             dspcntr |= DISPPLANE_BGRA888;
> +             break;
> +     case DRM_FORMAT_ABGR8888:
> +             dspcntr |= DISPPLANE_RGBA888;
> +             break;
> +     case DRM_FORMAT_XRGB2101010:
> +             dspcntr |= DISPPLANE_BGRX101010;
> +             break;
> +     case DRM_FORMAT_XBGR2101010:
> +             dspcntr |= DISPPLANE_RGBX101010;
> +             break;
> +     case DRM_FORMAT_ARGB2101010:
> +             dspcntr |= DISPPLANE_BGRA101010;
> +             break;
> +     case DRM_FORMAT_ABGR2101010:
> +             dspcntr |= DISPPLANE_RGBA101010;
> +             break;
> +     case DRM_FORMAT_XBGR16161616F:
> +             dspcntr |= DISPPLANE_RGBX161616;
> +             break;
> +     default:
> +             MISSING_CASE(fb->format->format);
> +             return 0;
> +     }
> +
> +     if (INTEL_GEN(dev_priv) >= 4 &&
> +         fb->modifier == I915_FORMAT_MOD_X_TILED)
> +             dspcntr |= DISPPLANE_TILED;
> +
> +     if (rotation & DRM_MODE_ROTATE_180)
> +             dspcntr |= DISPPLANE_ROTATE_180;
> +
> +     if (rotation & DRM_MODE_REFLECT_X)
> +             dspcntr |= DISPPLANE_MIRROR;
> +
> +     return dspcntr;
> +}
> +
> +static int
> +i9xx_plane_check(struct intel_crtc_state *crtc_state,
> +              struct intel_plane_state *plane_state)
> +{
> +     struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
> +     int ret;
> +
> +     ret = chv_plane_check_rotation(plane_state);
> +     if (ret)
> +             return ret;
> +
> +     ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
> +                                             DRM_PLANE_HELPER_NO_SCALING,
> +                                             DRM_PLANE_HELPER_NO_SCALING,
> +                                             
> i9xx_plane_has_windowing(plane));
> +     if (ret)
> +             return ret;
> +
> +     ret = i9xx_check_plane_surface(plane_state);
> +     if (ret)
> +             return ret;
> +
> +     if (!plane_state->uapi.visible)
> +             return 0;
> +
> +     ret = intel_plane_check_src_coordinates(plane_state);
> +     if (ret)
> +             return ret;
> +
> +     plane_state->ctl = i9xx_plane_ctl(crtc_state, plane_state);
> +
> +     return 0;
> +}
> +
> +static u32 i9xx_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
> +{
> +     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> +     struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> +     u32 dspcntr = 0;
> +
> +     if (crtc_state->gamma_enable)
> +             dspcntr |= DISPPLANE_GAMMA_ENABLE;
> +
> +     if (crtc_state->csc_enable)
> +             dspcntr |= DISPPLANE_PIPE_CSC_ENABLE;
> +
> +     if (INTEL_GEN(dev_priv) < 5)
> +             dspcntr |= DISPPLANE_SEL_PIPE(crtc->pipe);
> +
> +     return dspcntr;
> +}
> +
> +static void i9xx_plane_ratio(const struct intel_crtc_state *crtc_state,
> +                          const struct intel_plane_state *plane_state,
> +                          unsigned int *num, unsigned int *den)
> +{
> +     const struct drm_framebuffer *fb = plane_state->hw.fb;
> +     unsigned int cpp = fb->format->cpp[0];
> +
> +     /*
> +      * g4x bspec says 64bpp pixel rate can't exceed 80%
> +      * of cdclk when the sprite plane is enabled on the
> +      * same pipe. ilk/snb bspec says 64bpp pixel rate is
> +      * never allowed to exceed 80% of cdclk. Let's just go
> +      * with the ilk/snb limit always.
> +      */
> +     if (cpp == 8) {
> +             *num = 10;
> +             *den = 8;
> +     } else {
> +             *num = 1;
> +             *den = 1;
> +     }
> +}
> +
> +static int i9xx_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
> +                             const struct intel_plane_state *plane_state)
> +{
> +     unsigned int pixel_rate;
> +     unsigned int num, den;
> +
> +     /*
> +      * Note that crtc_state->pixel_rate accounts for both
> +      * horizontal and vertical panel fitter downscaling factors.
> +      * Pre-HSW bspec tells us to only consider the horizontal
> +      * downscaling factor here. We ignore that and just consider
> +      * both for simplicity.
> +      */
> +     pixel_rate = crtc_state->pixel_rate;
> +
> +     i9xx_plane_ratio(crtc_state, plane_state, &num, &den);
> +
> +     /* two pixels per clock with double wide pipe */
> +     if (crtc_state->double_wide)
> +             den *= 2;
> +
> +     return DIV_ROUND_UP(pixel_rate * num, den);
> +}
> +
> +static void i9xx_update_plane(struct intel_plane *plane,
> +                           const struct intel_crtc_state *crtc_state,
> +                           const struct intel_plane_state *plane_state)
> +{
> +     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> +     enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
> +     u32 linear_offset;
> +     int x = plane_state->color_plane[0].x;
> +     int y = plane_state->color_plane[0].y;
> +     int crtc_x = plane_state->uapi.dst.x1;
> +     int crtc_y = plane_state->uapi.dst.y1;
> +     int crtc_w = drm_rect_width(&plane_state->uapi.dst);
> +     int crtc_h = drm_rect_height(&plane_state->uapi.dst);
> +     unsigned long irqflags;
> +     u32 dspaddr_offset;
> +     u32 dspcntr;
> +
> +     dspcntr = plane_state->ctl | i9xx_plane_ctl_crtc(crtc_state);
> +
> +     linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
> +
> +     if (INTEL_GEN(dev_priv) >= 4)
> +             dspaddr_offset = plane_state->color_plane[0].offset;
> +     else
> +             dspaddr_offset = linear_offset;
> +
> +     spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
> +
> +     intel_de_write_fw(dev_priv, DSPSTRIDE(i9xx_plane),
> +                       plane_state->color_plane[0].stride);
> +
> +     if (INTEL_GEN(dev_priv) < 4) {
> +             /*
> +              * PLANE_A doesn't actually have a full window
> +              * generator but let's assume we still need to
> +              * program whatever is there.
> +              */
> +             intel_de_write_fw(dev_priv, DSPPOS(i9xx_plane),
> +                               (crtc_y << 16) | crtc_x);
> +             intel_de_write_fw(dev_priv, DSPSIZE(i9xx_plane),
> +                               ((crtc_h - 1) << 16) | (crtc_w - 1));
> +     } else if (IS_CHERRYVIEW(dev_priv) && i9xx_plane == PLANE_B) {
> +             intel_de_write_fw(dev_priv, PRIMPOS(i9xx_plane),
> +                               (crtc_y << 16) | crtc_x);
> +             intel_de_write_fw(dev_priv, PRIMSIZE(i9xx_plane),
> +                               ((crtc_h - 1) << 16) | (crtc_w - 1));
> +             intel_de_write_fw(dev_priv, PRIMCNSTALPHA(i9xx_plane), 0);
> +     }
> +
> +     if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
> +             intel_de_write_fw(dev_priv, DSPOFFSET(i9xx_plane),
> +                               (y << 16) | x);
> +     } else if (INTEL_GEN(dev_priv) >= 4) {
> +             intel_de_write_fw(dev_priv, DSPLINOFF(i9xx_plane),
> +                               linear_offset);
> +             intel_de_write_fw(dev_priv, DSPTILEOFF(i9xx_plane),
> +                               (y << 16) | x);
> +     }
> +
> +     /*
> +      * The control register self-arms if the plane was previously
> +      * disabled. Try to make the plane enable atomic by writing
> +      * the control register just before the surface register.
> +      */
> +     intel_de_write_fw(dev_priv, DSPCNTR(i9xx_plane), dspcntr);
> +     if (INTEL_GEN(dev_priv) >= 4)
> +             intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane),
> +                               intel_plane_ggtt_offset(plane_state) + 
> dspaddr_offset);
> +     else
> +             intel_de_write_fw(dev_priv, DSPADDR(i9xx_plane),
> +                               intel_plane_ggtt_offset(plane_state) + 
> dspaddr_offset);
> +
> +     spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
> +}
> +
> +static void i9xx_disable_plane(struct intel_plane *plane,
> +                            const struct intel_crtc_state *crtc_state)
> +{
> +     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> +     enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
> +     unsigned long irqflags;
> +     u32 dspcntr;
> +
> +     /*
> +      * DSPCNTR pipe gamma enable on g4x+ and pipe csc
> +      * enable on ilk+ affect the pipe bottom color as
> +      * well, so we must configure them even if the plane
> +      * is disabled.
> +      *
> +      * On pre-g4x there is no way to gamma correct the
> +      * pipe bottom color but we'll keep on doing this
> +      * anyway so that the crtc state readout works correctly.
> +      */
> +     dspcntr = i9xx_plane_ctl_crtc(crtc_state);
> +
> +     spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
> +
> +     intel_de_write_fw(dev_priv, DSPCNTR(i9xx_plane), dspcntr);
> +     if (INTEL_GEN(dev_priv) >= 4)
> +             intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane), 0);
> +     else
> +             intel_de_write_fw(dev_priv, DSPADDR(i9xx_plane), 0);
> +
> +     spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
> +}
> +
> +static bool i9xx_plane_get_hw_state(struct intel_plane *plane,
> +                                 enum pipe *pipe)
> +{
> +     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> +     enum intel_display_power_domain power_domain;
> +     enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
> +     intel_wakeref_t wakeref;
> +     bool ret;
> +     u32 val;
> +
> +     /*
> +      * Not 100% correct for planes that can move between pipes,
> +      * but that's only the case for gen2-4 which don't have any
> +      * display power wells.
> +      */
> +     power_domain = POWER_DOMAIN_PIPE(plane->pipe);
> +     wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
> +     if (!wakeref)
> +             return false;
> +
> +     val = intel_de_read(dev_priv, DSPCNTR(i9xx_plane));
> +
> +     ret = val & DISPLAY_PLANE_ENABLE;
> +
> +     if (INTEL_GEN(dev_priv) >= 5)
> +             *pipe = plane->pipe;
> +     else
> +             *pipe = (val & DISPPLANE_SEL_PIPE_MASK) >>
> +                     DISPPLANE_SEL_PIPE_SHIFT;
> +
> +     intel_display_power_put(dev_priv, power_domain, wakeref);
> +
> +     return ret;
> +}
> +
> +unsigned int
> +i9xx_plane_max_stride(struct intel_plane *plane,
> +                   u32 pixel_format, u64 modifier,
> +                   unsigned int rotation)
> +{
> +     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> +
> +     if (!HAS_GMCH(dev_priv)) {
> +             return 32*1024;
> +     } else if (INTEL_GEN(dev_priv) >= 4) {
> +             if (modifier == I915_FORMAT_MOD_X_TILED)
> +                     return 16*1024;
> +             else
> +                     return 32*1024;
> +     } else if (INTEL_GEN(dev_priv) >= 3) {
> +             if (modifier == I915_FORMAT_MOD_X_TILED)
> +                     return 8*1024;
> +             else
> +                     return 16*1024;
> +     } else {
> +             if (plane->i9xx_plane == PLANE_C)
> +                     return 4*1024;
> +             else
> +                     return 8*1024;
> +     }
> +}
> +
> +static const struct drm_plane_funcs i965_plane_funcs = {
> +     .update_plane = drm_atomic_helper_update_plane,
> +     .disable_plane = drm_atomic_helper_disable_plane,
> +     .destroy = intel_plane_destroy,
> +     .atomic_duplicate_state = intel_plane_duplicate_state,
> +     .atomic_destroy_state = intel_plane_destroy_state,
> +     .format_mod_supported = i965_plane_format_mod_supported,
> +};
> +
> +static const struct drm_plane_funcs i8xx_plane_funcs = {
> +     .update_plane = drm_atomic_helper_update_plane,
> +     .disable_plane = drm_atomic_helper_disable_plane,
> +     .destroy = intel_plane_destroy,
> +     .atomic_duplicate_state = intel_plane_duplicate_state,
> +     .atomic_destroy_state = intel_plane_destroy_state,
> +     .format_mod_supported = i8xx_plane_format_mod_supported,
> +};
> +
> +static struct intel_plane *
> +intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
> +{
> +     struct intel_plane *plane;
> +     const struct drm_plane_funcs *plane_funcs;
> +     unsigned int supported_rotations;
> +     const u32 *formats;
> +     int num_formats;
> +     int ret, zpos;
> +
> +     if (INTEL_GEN(dev_priv) >= 9)
> +             return skl_universal_plane_create(dev_priv, pipe,
> +                                               PLANE_PRIMARY);
> +
> +     plane = intel_plane_alloc();
> +     if (IS_ERR(plane))
> +             return plane;
> +
> +     plane->pipe = pipe;
> +     /*
> +      * On gen2/3 only plane A can do FBC, but the panel fitter and LVDS
> +      * port is hooked to pipe B. Hence we want plane A feeding pipe B.
> +      */
> +     if (HAS_FBC(dev_priv) && INTEL_GEN(dev_priv) < 4 &&
> +         INTEL_NUM_PIPES(dev_priv) == 2)
> +             plane->i9xx_plane = (enum i9xx_plane_id) !pipe;
> +     else
> +             plane->i9xx_plane = (enum i9xx_plane_id) pipe;
> +     plane->id = PLANE_PRIMARY;
> +     plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane->id);
> +
> +     plane->has_fbc = i9xx_plane_has_fbc(dev_priv, plane->i9xx_plane);
> +     if (plane->has_fbc) {
> +             struct intel_fbc *fbc = &dev_priv->fbc;
> +
> +             fbc->possible_framebuffer_bits |= plane->frontbuffer_bit;
> +     }
> +
> +     if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
> +             formats = vlv_primary_formats;
> +             num_formats = ARRAY_SIZE(vlv_primary_formats);
> +     } else if (INTEL_GEN(dev_priv) >= 4) {
> +             /*
> +              * WaFP16GammaEnabling:ivb
> +              * "Workaround : When using the 64-bit format, the plane
> +              *  output on each color channel has one quarter amplitude.
> +              *  It can be brought up to full amplitude by using pipe
> +              *  gamma correction or pipe color space conversion to
> +              *  multiply the plane output by four."
> +              *
> +              * There is no dedicated plane gamma for the primary plane,
> +              * and using the pipe gamma/csc could conflict with other
> +              * planes, so we choose not to expose fp16 on IVB primary
> +              * planes. HSW primary planes no longer have this problem.
> +              */
> +             if (IS_IVYBRIDGE(dev_priv)) {
> +                     formats = ivb_primary_formats;
> +                     num_formats = ARRAY_SIZE(ivb_primary_formats);
> +             } else {
> +                     formats = i965_primary_formats;
> +                     num_formats = ARRAY_SIZE(i965_primary_formats);
> +             }
> +     } else {
> +             formats = i8xx_primary_formats;
> +             num_formats = ARRAY_SIZE(i8xx_primary_formats);
> +     }
> +
> +     if (INTEL_GEN(dev_priv) >= 4)
> +             plane_funcs = &i965_plane_funcs;
> +     else
> +             plane_funcs = &i8xx_plane_funcs;
> +
> +     if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
> +             plane->min_cdclk = vlv_plane_min_cdclk;
> +     else if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
> +             plane->min_cdclk = hsw_plane_min_cdclk;
> +     else if (IS_IVYBRIDGE(dev_priv))
> +             plane->min_cdclk = ivb_plane_min_cdclk;
> +     else
> +             plane->min_cdclk = i9xx_plane_min_cdclk;
> +
> +     plane->max_stride = i9xx_plane_max_stride;
> +     plane->update_plane = i9xx_update_plane;
> +     plane->disable_plane = i9xx_disable_plane;
> +     plane->get_hw_state = i9xx_plane_get_hw_state;
> +     plane->check_plane = i9xx_plane_check;
> +
> +     if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
> +             ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
> +                                            0, plane_funcs,
> +                                            formats, num_formats,
> +                                            i9xx_format_modifiers,
> +                                            DRM_PLANE_TYPE_PRIMARY,
> +                                            "primary %c", pipe_name(pipe));
> +     else
> +             ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
> +                                            0, plane_funcs,
> +                                            formats, num_formats,
> +                                            i9xx_format_modifiers,
> +                                            DRM_PLANE_TYPE_PRIMARY,
> +                                            "plane %c",
> +                                            plane_name(plane->i9xx_plane));
> +     if (ret)
> +             goto fail;
> +
> +     if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
> +             supported_rotations =
> +                     DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 |
> +                     DRM_MODE_REFLECT_X;
> +     } else if (INTEL_GEN(dev_priv) >= 4) {
> +             supported_rotations =
> +                     DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
> +     } else {
> +             supported_rotations = DRM_MODE_ROTATE_0;
> +     }
> +
> +     if (INTEL_GEN(dev_priv) >= 4)
> +             drm_plane_create_rotation_property(&plane->base,
> +                                                DRM_MODE_ROTATE_0,
> +                                                supported_rotations);
> +
> +     zpos = 0;
> +     drm_plane_create_zpos_immutable_property(&plane->base, zpos);
> +
> +     drm_plane_helper_add(&plane->base, &intel_plane_helper_funcs);
> +
> +     return plane;
> +
> +fail:
> +     intel_plane_free(plane);
> +
> +     return ERR_PTR(ret);
> +}
> +
> +static struct intel_crtc *intel_crtc_alloc(void)
> +{
> +     struct intel_crtc_state *crtc_state;
> +     struct intel_crtc *crtc;
> +
> +     crtc = kzalloc(sizeof(*crtc), GFP_KERNEL);
> +     if (!crtc)
> +             return ERR_PTR(-ENOMEM);
> +
> +     crtc_state = intel_crtc_state_alloc(crtc);
> +     if (!crtc_state) {
> +             kfree(crtc);
> +             return ERR_PTR(-ENOMEM);
> +     }
> +
> +     crtc->base.state = &crtc_state->uapi;
> +     crtc->config = crtc_state;
> +
> +     return crtc;
> +}
> +
> +static void intel_crtc_free(struct intel_crtc *crtc)
> +{
> +     intel_crtc_destroy_state(&crtc->base, crtc->base.state);
> +     kfree(crtc);
> +}
> +
> +static void intel_crtc_destroy(struct drm_crtc *crtc)
> +{
> +     struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> +
> +     drm_crtc_cleanup(crtc);
> +     kfree(intel_crtc);
> +}
> +
> +static int intel_crtc_late_register(struct drm_crtc *crtc)
> +{
> +     intel_crtc_debugfs_add(crtc);
> +     return 0;
> +}
> +
> +#define INTEL_CRTC_FUNCS \
> +     .gamma_set = drm_atomic_helper_legacy_gamma_set, \
> +     .set_config = drm_atomic_helper_set_config, \
> +     .destroy = intel_crtc_destroy, \
> +     .page_flip = drm_atomic_helper_page_flip, \
> +     .atomic_duplicate_state = intel_crtc_duplicate_state, \
> +     .atomic_destroy_state = intel_crtc_destroy_state, \
> +     .set_crc_source = intel_crtc_set_crc_source, \
> +     .verify_crc_source = intel_crtc_verify_crc_source, \
> +     .get_crc_sources = intel_crtc_get_crc_sources, \
> +     .late_register = intel_crtc_late_register
> +
> +static const struct drm_crtc_funcs bdw_crtc_funcs = {
> +     INTEL_CRTC_FUNCS,
> +
> +     .get_vblank_counter = g4x_get_vblank_counter,
> +     .enable_vblank = bdw_enable_vblank,
> +     .disable_vblank = bdw_disable_vblank,
> +     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> +};
> +
> +static const struct drm_crtc_funcs ilk_crtc_funcs = {
> +     INTEL_CRTC_FUNCS,
> +
> +     .get_vblank_counter = g4x_get_vblank_counter,
> +     .enable_vblank = ilk_enable_vblank,
> +     .disable_vblank = ilk_disable_vblank,
> +     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> +};
> +
> +static const struct drm_crtc_funcs g4x_crtc_funcs = {
> +     INTEL_CRTC_FUNCS,
> +
> +     .get_vblank_counter = g4x_get_vblank_counter,
> +     .enable_vblank = i965_enable_vblank,
> +     .disable_vblank = i965_disable_vblank,
> +     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> +};
> +
> +static const struct drm_crtc_funcs i965_crtc_funcs = {
> +     INTEL_CRTC_FUNCS,
> +
> +     .get_vblank_counter = i915_get_vblank_counter,
> +     .enable_vblank = i965_enable_vblank,
> +     .disable_vblank = i965_disable_vblank,
> +     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> +};
> +
> +static const struct drm_crtc_funcs i915gm_crtc_funcs = {
> +     INTEL_CRTC_FUNCS,
> +
> +     .get_vblank_counter = i915_get_vblank_counter,
> +     .enable_vblank = i915gm_enable_vblank,
> +     .disable_vblank = i915gm_disable_vblank,
> +     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> +};
> +
> +static const struct drm_crtc_funcs i915_crtc_funcs = {
> +     INTEL_CRTC_FUNCS,
> +
> +     .get_vblank_counter = i915_get_vblank_counter,
> +     .enable_vblank = i8xx_enable_vblank,
> +     .disable_vblank = i8xx_disable_vblank,
> +     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> +};
> +
> +static const struct drm_crtc_funcs i8xx_crtc_funcs = {
> +     INTEL_CRTC_FUNCS,
> +
> +     /* no hw vblank counter */
> +     .enable_vblank = i8xx_enable_vblank,
> +     .disable_vblank = i8xx_disable_vblank,
> +     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> +};
> +
> +int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
> +{
> +     struct intel_plane *primary, *cursor;
> +     const struct drm_crtc_funcs *funcs;
> +     struct intel_crtc *crtc;
> +     int sprite, ret;
> +
> +     crtc = intel_crtc_alloc();
> +     if (IS_ERR(crtc))
> +             return PTR_ERR(crtc);
> +
> +     crtc->pipe = pipe;
> +     crtc->num_scalers = RUNTIME_INFO(dev_priv)->num_scalers[pipe];
> +
> +     primary = intel_primary_plane_create(dev_priv, pipe);
> +     if (IS_ERR(primary)) {
> +             ret = PTR_ERR(primary);
> +             goto fail;
> +     }
> +     crtc->plane_ids_mask |= BIT(primary->id);
> +
> +     for_each_sprite(dev_priv, pipe, sprite) {
> +             struct intel_plane *plane;
> +
> +             plane = intel_sprite_plane_create(dev_priv, pipe, sprite);
> +             if (IS_ERR(plane)) {
> +                     ret = PTR_ERR(plane);
> +                     goto fail;
> +             }
> +             crtc->plane_ids_mask |= BIT(plane->id);
> +     }
> +
> +     cursor = intel_cursor_plane_create(dev_priv, pipe);
> +     if (IS_ERR(cursor)) {
> +             ret = PTR_ERR(cursor);
> +             goto fail;
> +     }
> +     crtc->plane_ids_mask |= BIT(cursor->id);
> +
> +     if (HAS_GMCH(dev_priv)) {
> +             if (IS_CHERRYVIEW(dev_priv) ||
> +                 IS_VALLEYVIEW(dev_priv) || IS_G4X(dev_priv))
> +                     funcs = &g4x_crtc_funcs;
> +             else if (IS_GEN(dev_priv, 4))
> +                     funcs = &i965_crtc_funcs;
> +             else if (IS_I945GM(dev_priv) || IS_I915GM(dev_priv))
> +                     funcs = &i915gm_crtc_funcs;
> +             else if (IS_GEN(dev_priv, 3))
> +                     funcs = &i915_crtc_funcs;
> +             else
> +                     funcs = &i8xx_crtc_funcs;
> +     } else {
> +             if (INTEL_GEN(dev_priv) >= 8)
> +                     funcs = &bdw_crtc_funcs;
> +             else
> +                     funcs = &ilk_crtc_funcs;
> +     }
> +
> +     ret = drm_crtc_init_with_planes(&dev_priv->drm, &crtc->base,
> +                                     &primary->base, &cursor->base,
> +                                     funcs, "pipe %c", pipe_name(pipe));
> +     if (ret)
> +             goto fail;
> +
> +     BUG_ON(pipe >= ARRAY_SIZE(dev_priv->pipe_to_crtc_mapping) ||
> +            dev_priv->pipe_to_crtc_mapping[pipe] != NULL);
> +     dev_priv->pipe_to_crtc_mapping[pipe] = crtc;
> +
> +     if (INTEL_GEN(dev_priv) < 9) {
> +             enum i9xx_plane_id i9xx_plane = primary->i9xx_plane;
> +
> +             BUG_ON(i9xx_plane >= 
> ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
> +                    dev_priv->plane_to_crtc_mapping[i9xx_plane] != NULL);
> +             dev_priv->plane_to_crtc_mapping[i9xx_plane] = crtc;
> +     }
> +
> +     if (INTEL_GEN(dev_priv) >= 10)
> +             drm_crtc_create_scaling_filter_property(&crtc->base,
> +                                             BIT(DRM_SCALING_FILTER_DEFAULT) 
> |
> +                                             
> BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR));
> +
> +     intel_color_init(crtc);
> +
> +     intel_crtc_crc_init(crtc);
> +
> +     drm_WARN_ON(&dev_priv->drm, drm_crtc_index(&crtc->base) != crtc->pipe);
> +
> +     return 0;
> +
> +fail:
> +     intel_crtc_free(crtc);
> +
> +     return ret;
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
> b/drivers/gpu/drm/i915/display/intel_display.c
> index 722a1cf61941..2507a72ee249 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -87,56 +87,6 @@
>  #include "intel_tc.h"
>  #include "intel_vga.h"
>  
> -/* Primary plane formats for gen <= 3 */
> -static const u32 i8xx_primary_formats[] = {
> -     DRM_FORMAT_C8,
> -     DRM_FORMAT_XRGB1555,
> -     DRM_FORMAT_RGB565,
> -     DRM_FORMAT_XRGB8888,
> -};
> -
> -/* Primary plane formats for ivb (no fp16 due to hw issue) */
> -static const u32 ivb_primary_formats[] = {
> -     DRM_FORMAT_C8,
> -     DRM_FORMAT_RGB565,
> -     DRM_FORMAT_XRGB8888,
> -     DRM_FORMAT_XBGR8888,
> -     DRM_FORMAT_XRGB2101010,
> -     DRM_FORMAT_XBGR2101010,
> -};
> -
> -/* Primary plane formats for gen >= 4, except ivb */
> -static const u32 i965_primary_formats[] = {
> -     DRM_FORMAT_C8,
> -     DRM_FORMAT_RGB565,
> -     DRM_FORMAT_XRGB8888,
> -     DRM_FORMAT_XBGR8888,
> -     DRM_FORMAT_XRGB2101010,
> -     DRM_FORMAT_XBGR2101010,
> -     DRM_FORMAT_XBGR16161616F,
> -};
> -
> -/* Primary plane formats for vlv/chv */
> -static const u32 vlv_primary_formats[] = {
> -     DRM_FORMAT_C8,
> -     DRM_FORMAT_RGB565,
> -     DRM_FORMAT_XRGB8888,
> -     DRM_FORMAT_XBGR8888,
> -     DRM_FORMAT_ARGB8888,
> -     DRM_FORMAT_ABGR8888,
> -     DRM_FORMAT_XRGB2101010,
> -     DRM_FORMAT_XBGR2101010,
> -     DRM_FORMAT_ARGB2101010,
> -     DRM_FORMAT_ABGR2101010,
> -     DRM_FORMAT_XBGR16161616F,
> -};
> -
> -static const u64 i9xx_format_modifiers[] = {
> -     I915_FORMAT_MOD_X_TILED,
> -     DRM_FORMAT_MOD_LINEAR,
> -     DRM_FORMAT_MOD_INVALID
> -};
> -
>  static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
>                               struct intel_crtc_state *pipe_config);
>  static void ilk_pch_clock_get(struct intel_crtc *crtc,
> @@ -162,7 +112,6 @@ static void skl_pfit_enable(const struct intel_crtc_state 
> *crtc_state);
>  static void ilk_pfit_enable(const struct intel_crtc_state *crtc_state);
>  static void intel_modeset_setup_hw_state(struct drm_device *dev,
>                                        struct drm_modeset_acquire_ctx *ctx);
> -static struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc 
> *crtc);
>  
>  struct intel_limit {
>       struct {
> @@ -1301,12 +1250,6 @@ static void assert_planes_disabled(struct intel_crtc 
> *crtc)
>               assert_plane_disabled(plane);
>  }
>  
> -static void assert_vblank_disabled(struct drm_crtc *crtc)
> -{
> -     if (I915_STATE_WARN_ON(drm_crtc_vblank_get(crtc) == 0))
> -             drm_crtc_vblank_put(crtc);
> -}
> -
>  void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
>                                   enum pipe pipe)
>  {
> @@ -1791,55 +1734,6 @@ enum pipe intel_crtc_pch_transcoder(struct intel_crtc 
> *crtc)
>               return crtc->pipe;
>  }
>  
> -static u32 intel_crtc_max_vblank_count(const struct intel_crtc_state 
> *crtc_state)
> -{
> -     struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
> -     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> -     u32 mode_flags = crtc->mode_flags;
> -
> -     /*
> -      * From Gen 11, In case of dsi cmd mode, frame counter wouldnt
> -      * have updated at the beginning of TE, if we want to use
> -      * the hw counter, then we would find it updated in only
> -      * the next TE, hence switching to sw counter.
> -      */
> -     if (mode_flags & (I915_MODE_FLAG_DSI_USE_TE0 | 
> I915_MODE_FLAG_DSI_USE_TE1))
> -             return 0;
> -
> -     /*
> -      * On i965gm the hardware frame counter reads
> -      * zero when the TV encoder is enabled :(
> -      */
> -     if (IS_I965GM(dev_priv) &&
> -         (crtc_state->output_types & BIT(INTEL_OUTPUT_TVOUT)))
> -             return 0;
> -
> -     if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
> -             return 0xffffffff; /* full 32 bit counter */
> -     else if (INTEL_GEN(dev_priv) >= 3)
> -             return 0xffffff; /* only 24 bits of frame count */
> -     else
> -             return 0; /* Gen2 doesn't have a hardware frame counter */
> -}
> -
> -void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state)
> -{
> -     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> -
> -     assert_vblank_disabled(&crtc->base);
> -     drm_crtc_set_max_vblank_count(&crtc->base,
> -                                   intel_crtc_max_vblank_count(crtc_state));
> -     drm_crtc_vblank_on(&crtc->base);
> -}
> -
> -void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state)
> -{
> -     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> -
> -     drm_crtc_vblank_off(&crtc->base);
> -     assert_vblank_disabled(&crtc->base);
> -}
> -
>  void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state)
>  {
>       struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc);
> @@ -4046,171 +3940,6 @@ int skl_check_plane_surface(struct intel_plane_state 
> *plane_state)
>       return 0;
>  }
>  
> -static void i9xx_plane_ratio(const struct intel_crtc_state *crtc_state,
> -                          const struct intel_plane_state *plane_state,
> -                          unsigned int *num, unsigned int *den)
> -{
> -     const struct drm_framebuffer *fb = plane_state->hw.fb;
> -     unsigned int cpp = fb->format->cpp[0];
> -
> -     /*
> -      * g4x bspec says 64bpp pixel rate can't exceed 80%
> -      * of cdclk when the sprite plane is enabled on the
> -      * same pipe. ilk/snb bspec says 64bpp pixel rate is
> -      * never allowed to exceed 80% of cdclk. Let's just go
> -      * with the ilk/snb limit always.
> -      */
> -     if (cpp == 8) {
> -             *num = 10;
> -             *den = 8;
> -     } else {
> -             *num = 1;
> -             *den = 1;
> -     }
> -}
> -
> -static int i9xx_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
> -                             const struct intel_plane_state *plane_state)
> -{
> -     unsigned int pixel_rate;
> -     unsigned int num, den;
> -
> -     /*
> -      * Note that crtc_state->pixel_rate accounts for both
> -      * horizontal and vertical panel fitter downscaling factors.
> -      * Pre-HSW bspec tells us to only consider the horizontal
> -      * downscaling factor here. We ignore that and just consider
> -      * both for simplicity.
> -      */
> -     pixel_rate = crtc_state->pixel_rate;
> -
> -     i9xx_plane_ratio(crtc_state, plane_state, &num, &den);
> -
> -     /* two pixels per clock with double wide pipe */
> -     if (crtc_state->double_wide)
> -             den *= 2;
> -
> -     return DIV_ROUND_UP(pixel_rate * num, den);
> -}
> -
> -unsigned int
> -i9xx_plane_max_stride(struct intel_plane *plane,
> -                   u32 pixel_format, u64 modifier,
> -                   unsigned int rotation)
> -{
> -     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> -
> -     if (!HAS_GMCH(dev_priv)) {
> -             return 32*1024;
> -     } else if (INTEL_GEN(dev_priv) >= 4) {
> -             if (modifier == I915_FORMAT_MOD_X_TILED)
> -                     return 16*1024;
> -             else
> -                     return 32*1024;
> -     } else if (INTEL_GEN(dev_priv) >= 3) {
> -             if (modifier == I915_FORMAT_MOD_X_TILED)
> -                     return 8*1024;
> -             else
> -                     return 16*1024;
> -     } else {
> -             if (plane->i9xx_plane == PLANE_C)
> -                     return 4*1024;
> -             else
> -                     return 8*1024;
> -     }
> -}
> -
> -static u32 i9xx_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
> -{
> -     struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> -     struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> -     u32 dspcntr = 0;
> -
> -     if (crtc_state->gamma_enable)
> -             dspcntr |= DISPPLANE_GAMMA_ENABLE;
> -
> -     if (crtc_state->csc_enable)
> -             dspcntr |= DISPPLANE_PIPE_CSC_ENABLE;
> -
> -     if (INTEL_GEN(dev_priv) < 5)
> -             dspcntr |= DISPPLANE_SEL_PIPE(crtc->pipe);
> -
> -     return dspcntr;
> -}
> -
> -static u32 i9xx_plane_ctl(const struct intel_crtc_state *crtc_state,
> -                       const struct intel_plane_state *plane_state)
> -{
> -     struct drm_i915_private *dev_priv =
> -             to_i915(plane_state->uapi.plane->dev);
> -     const struct drm_framebuffer *fb = plane_state->hw.fb;
> -     unsigned int rotation = plane_state->hw.rotation;
> -     u32 dspcntr;
> -
> -     dspcntr = DISPLAY_PLANE_ENABLE;
> -
> -     if (IS_G4X(dev_priv) || IS_GEN(dev_priv, 5) ||
> -         IS_GEN(dev_priv, 6) || IS_IVYBRIDGE(dev_priv))
> -             dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
> -
> -     switch (fb->format->format) {
> -     case DRM_FORMAT_C8:
> -             dspcntr |= DISPPLANE_8BPP;
> -             break;
> -     case DRM_FORMAT_XRGB1555:
> -             dspcntr |= DISPPLANE_BGRX555;
> -             break;
> -     case DRM_FORMAT_ARGB1555:
> -             dspcntr |= DISPPLANE_BGRA555;
> -             break;
> -     case DRM_FORMAT_RGB565:
> -             dspcntr |= DISPPLANE_BGRX565;
> -             break;
> -     case DRM_FORMAT_XRGB8888:
> -             dspcntr |= DISPPLANE_BGRX888;
> -             break;
> -     case DRM_FORMAT_XBGR8888:
> -             dspcntr |= DISPPLANE_RGBX888;
> -             break;
> -     case DRM_FORMAT_ARGB8888:
> -             dspcntr |= DISPPLANE_BGRA888;
> -             break;
> -     case DRM_FORMAT_ABGR8888:
> -             dspcntr |= DISPPLANE_RGBA888;
> -             break;
> -     case DRM_FORMAT_XRGB2101010:
> -             dspcntr |= DISPPLANE_BGRX101010;
> -             break;
> -     case DRM_FORMAT_XBGR2101010:
> -             dspcntr |= DISPPLANE_RGBX101010;
> -             break;
> -     case DRM_FORMAT_ARGB2101010:
> -             dspcntr |= DISPPLANE_BGRA101010;
> -             break;
> -     case DRM_FORMAT_ABGR2101010:
> -             dspcntr |= DISPPLANE_RGBA101010;
> -             break;
> -     case DRM_FORMAT_XBGR16161616F:
> -             dspcntr |= DISPPLANE_RGBX161616;
> -             break;
> -     default:
> -             MISSING_CASE(fb->format->format);
> -             return 0;
> -     }
> -
> -     if (INTEL_GEN(dev_priv) >= 4 &&
> -         fb->modifier == I915_FORMAT_MOD_X_TILED)
> -             dspcntr |= DISPPLANE_TILED;
> -
> -     if (rotation & DRM_MODE_ROTATE_180)
> -             dspcntr |= DISPPLANE_ROTATE_180;
> -
> -     if (rotation & DRM_MODE_REFLECT_X)
> -             dspcntr |= DISPPLANE_MIRROR;
> -
> -     return dspcntr;
> -}
> -
>  int i9xx_check_plane_surface(struct intel_plane_state *plane_state)
>  {
>       struct drm_i915_private *dev_priv =
> @@ -4271,197 +4000,6 @@ int i9xx_check_plane_surface(struct intel_plane_state 
> *plane_state)
>       return 0;
>  }
>  
> -static bool i9xx_plane_has_windowing(struct intel_plane *plane)
> -{
> -     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> -     enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
> -
> -     if (IS_CHERRYVIEW(dev_priv))
> -             return i9xx_plane == PLANE_B;
> -     else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
> -             return false;
> -     else if (IS_GEN(dev_priv, 4))
> -             return i9xx_plane == PLANE_C;
> -     else
> -             return i9xx_plane == PLANE_B ||
> -                     i9xx_plane == PLANE_C;
> -}
> -
> -static int
> -i9xx_plane_check(struct intel_crtc_state *crtc_state,
> -              struct intel_plane_state *plane_state)
> -{
> -     struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
> -     int ret;
> -
> -     ret = chv_plane_check_rotation(plane_state);
> -     if (ret)
> -             return ret;
> -
> -     ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
> -                                             DRM_PLANE_HELPER_NO_SCALING,
> -                                             DRM_PLANE_HELPER_NO_SCALING,
> -                                             
> i9xx_plane_has_windowing(plane));
> -     if (ret)
> -             return ret;
> -
> -     ret = i9xx_check_plane_surface(plane_state);
> -     if (ret)
> -             return ret;
> -
> -     if (!plane_state->uapi.visible)
> -             return 0;
> -
> -     ret = intel_plane_check_src_coordinates(plane_state);
> -     if (ret)
> -             return ret;
> -
> -     plane_state->ctl = i9xx_plane_ctl(crtc_state, plane_state);
> -
> -     return 0;
> -}
> -
> -static void i9xx_update_plane(struct intel_plane *plane,
> -                           const struct intel_crtc_state *crtc_state,
> -                           const struct intel_plane_state *plane_state)
> -{
> -     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> -     enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
> -     u32 linear_offset;
> -     int x = plane_state->color_plane[0].x;
> -     int y = plane_state->color_plane[0].y;
> -     int crtc_x = plane_state->uapi.dst.x1;
> -     int crtc_y = plane_state->uapi.dst.y1;
> -     int crtc_w = drm_rect_width(&plane_state->uapi.dst);
> -     int crtc_h = drm_rect_height(&plane_state->uapi.dst);
> -     unsigned long irqflags;
> -     u32 dspaddr_offset;
> -     u32 dspcntr;
> -
> -     dspcntr = plane_state->ctl | i9xx_plane_ctl_crtc(crtc_state);
> -
> -     linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
> -
> -     if (INTEL_GEN(dev_priv) >= 4)
> -             dspaddr_offset = plane_state->color_plane[0].offset;
> -     else
> -             dspaddr_offset = linear_offset;
> -
> -     spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
> -
> -     intel_de_write_fw(dev_priv, DSPSTRIDE(i9xx_plane),
> -                       plane_state->color_plane[0].stride);
> -
> -     if (INTEL_GEN(dev_priv) < 4) {
> -             /*
> -              * PLANE_A doesn't actually have a full window
> -              * generator but let's assume we still need to
> -              * program whatever is there.
> -              */
> -             intel_de_write_fw(dev_priv, DSPPOS(i9xx_plane),
> -                               (crtc_y << 16) | crtc_x);
> -             intel_de_write_fw(dev_priv, DSPSIZE(i9xx_plane),
> -                               ((crtc_h - 1) << 16) | (crtc_w - 1));
> -     } else if (IS_CHERRYVIEW(dev_priv) && i9xx_plane == PLANE_B) {
> -             intel_de_write_fw(dev_priv, PRIMPOS(i9xx_plane),
> -                               (crtc_y << 16) | crtc_x);
> -             intel_de_write_fw(dev_priv, PRIMSIZE(i9xx_plane),
> -                               ((crtc_h - 1) << 16) | (crtc_w - 1));
> -             intel_de_write_fw(dev_priv, PRIMCNSTALPHA(i9xx_plane), 0);
> -     }
> -
> -     if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
> -             intel_de_write_fw(dev_priv, DSPOFFSET(i9xx_plane),
> -                               (y << 16) | x);
> -     } else if (INTEL_GEN(dev_priv) >= 4) {
> -             intel_de_write_fw(dev_priv, DSPLINOFF(i9xx_plane),
> -                               linear_offset);
> -             intel_de_write_fw(dev_priv, DSPTILEOFF(i9xx_plane),
> -                               (y << 16) | x);
> -     }
> -
> -     /*
> -      * The control register self-arms if the plane was previously
> -      * disabled. Try to make the plane enable atomic by writing
> -      * the control register just before the surface register.
> -      */
> -     intel_de_write_fw(dev_priv, DSPCNTR(i9xx_plane), dspcntr);
> -     if (INTEL_GEN(dev_priv) >= 4)
> -             intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane),
> -                               intel_plane_ggtt_offset(plane_state) + 
> dspaddr_offset);
> -     else
> -             intel_de_write_fw(dev_priv, DSPADDR(i9xx_plane),
> -                               intel_plane_ggtt_offset(plane_state) + 
> dspaddr_offset);
> -
> -     spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
> -}
> -
> -static void i9xx_disable_plane(struct intel_plane *plane,
> -                            const struct intel_crtc_state *crtc_state)
> -{
> -     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> -     enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
> -     unsigned long irqflags;
> -     u32 dspcntr;
> -
> -     /*
> -      * DSPCNTR pipe gamma enable on g4x+ and pipe csc
> -      * enable on ilk+ affect the pipe bottom color as
> -      * well, so we must configure them even if the plane
> -      * is disabled.
> -      *
> -      * On pre-g4x there is no way to gamma correct the
> -      * pipe bottom color but we'll keep on doing this
> -      * anyway so that the crtc state readout works correctly.
> -      */
> -     dspcntr = i9xx_plane_ctl_crtc(crtc_state);
> -
> -     spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
> -
> -     intel_de_write_fw(dev_priv, DSPCNTR(i9xx_plane), dspcntr);
> -     if (INTEL_GEN(dev_priv) >= 4)
> -             intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane), 0);
> -     else
> -             intel_de_write_fw(dev_priv, DSPADDR(i9xx_plane), 0);
> -
> -     spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
> -}
> -
> -static bool i9xx_plane_get_hw_state(struct intel_plane *plane,
> -                                 enum pipe *pipe)
> -{
> -     struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
> -     enum intel_display_power_domain power_domain;
> -     enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
> -     intel_wakeref_t wakeref;
> -     bool ret;
> -     u32 val;
> -
> -     /*
> -      * Not 100% correct for planes that can move between pipes,
> -      * but that's only the case for gen2-4 which don't have any
> -      * display power wells.
> -      */
> -     power_domain = POWER_DOMAIN_PIPE(plane->pipe);
> -     wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
> -     if (!wakeref)
> -             return false;
> -
> -     val = intel_de_read(dev_priv, DSPCNTR(i9xx_plane));
> -
> -     ret = val & DISPLAY_PLANE_ENABLE;
> -
> -     if (INTEL_GEN(dev_priv) >= 5)
> -             *pipe = plane->pipe;
> -     else
> -             *pipe = (val & DISPPLANE_SEL_PIPE_MASK) >>
> -                     DISPPLANE_SEL_PIPE_SHIFT;
> -
> -     intel_display_power_put(dev_priv, power_domain, wakeref);
> -
> -     return ret;
> -}
> -
>  static void skl_detach_scaler(struct intel_crtc *intel_crtc, int id)
>  {
>       struct drm_device *dev = intel_crtc->base.dev;
> @@ -11908,33 +11446,6 @@ static void ilk_pch_clock_get(struct intel_crtc 
> *crtc,
>                                        &pipe_config->fdi_m_n);
>  }
>  
> -static void intel_crtc_state_reset(struct intel_crtc_state *crtc_state,
> -                                struct intel_crtc *crtc)
> -{
> -     memset(crtc_state, 0, sizeof(*crtc_state));
> -
> -     __drm_atomic_helper_crtc_state_reset(&crtc_state->uapi, &crtc->base);
> -
> -     crtc_state->cpu_transcoder = INVALID_TRANSCODER;
> -     crtc_state->master_transcoder = INVALID_TRANSCODER;
> -     crtc_state->hsw_workaround_pipe = INVALID_PIPE;
> -     crtc_state->output_format = INTEL_OUTPUT_FORMAT_INVALID;
> -     crtc_state->scaler_state.scaler_id = -1;
> -     crtc_state->mst_master_transcoder = INVALID_TRANSCODER;
> -}
> -
> -static struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc 
> *crtc)
> -{
> -     struct intel_crtc_state *crtc_state;
> -
> -     crtc_state = kmalloc(sizeof(*crtc_state), GFP_KERNEL);
> -
> -     if (crtc_state)
> -             intel_crtc_state_reset(crtc_state, crtc);
> -
> -     return crtc_state;
> -}
> -
>  /* Returns the currently programmed mode of the given encoder. */
>  struct drm_display_mode *
>  intel_encoder_current_mode(struct intel_encoder *encoder)
> @@ -11975,14 +11486,6 @@ intel_encoder_current_mode(struct intel_encoder 
> *encoder)
>       return mode;
>  }
>  
> -static void intel_crtc_destroy(struct drm_crtc *crtc)
> -{
> -     struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> -
> -     drm_crtc_cleanup(crtc);
> -     kfree(intel_crtc);
> -}
> -
>  /**
>   * intel_wm_need_update - Check whether watermarks need updating
>   * @cur: current plane state
> @@ -15186,17 +14689,6 @@ static int intel_atomic_prepare_commit(struct 
> intel_atomic_state *state)
>       return 0;
>  }
>  
> -u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
> -{
> -     struct drm_device *dev = crtc->base.dev;
> -     struct drm_vblank_crtc *vblank = 
> &dev->vblank[drm_crtc_index(&crtc->base)];
> -
> -     if (!vblank->max_vblank_count)
> -             return (u32)drm_crtc_accurate_vblank_count(&crtc->base);
> -
> -     return crtc->base.funcs->get_vblank_counter(&crtc->base);
> -}
> -
>  void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
>                                 struct intel_crtc_state *crtc_state)
>  {
> @@ -16249,336 +15741,6 @@ void intel_plane_destroy(struct drm_plane *plane)
>       kfree(to_intel_plane(plane));
>  }
>  
> -static bool i8xx_plane_format_mod_supported(struct drm_plane *_plane,
> -                                         u32 format, u64 modifier)
> -{
> -     switch (modifier) {
> -     case DRM_FORMAT_MOD_LINEAR:
> -     case I915_FORMAT_MOD_X_TILED:
> -             break;
> -     default:
> -             return false;
> -     }
> -
> -     switch (format) {
> -     case DRM_FORMAT_C8:
> -     case DRM_FORMAT_RGB565:
> -     case DRM_FORMAT_XRGB1555:
> -     case DRM_FORMAT_XRGB8888:
> -             return modifier == DRM_FORMAT_MOD_LINEAR ||
> -                     modifier == I915_FORMAT_MOD_X_TILED;
> -     default:
> -             return false;
> -     }
> -}
> -
> -static bool i965_plane_format_mod_supported(struct drm_plane *_plane,
> -                                         u32 format, u64 modifier)
> -{
> -     switch (modifier) {
> -     case DRM_FORMAT_MOD_LINEAR:
> -     case I915_FORMAT_MOD_X_TILED:
> -             break;
> -     default:
> -             return false;
> -     }
> -
> -     switch (format) {
> -     case DRM_FORMAT_C8:
> -     case DRM_FORMAT_RGB565:
> -     case DRM_FORMAT_XRGB8888:
> -     case DRM_FORMAT_XBGR8888:
> -     case DRM_FORMAT_ARGB8888:
> -     case DRM_FORMAT_ABGR8888:
> -     case DRM_FORMAT_XRGB2101010:
> -     case DRM_FORMAT_XBGR2101010:
> -     case DRM_FORMAT_ARGB2101010:
> -     case DRM_FORMAT_ABGR2101010:
> -     case DRM_FORMAT_XBGR16161616F:
> -             return modifier == DRM_FORMAT_MOD_LINEAR ||
> -                     modifier == I915_FORMAT_MOD_X_TILED;
> -     default:
> -             return false;
> -     }
> -}
> -
> -static const struct drm_plane_funcs i965_plane_funcs = {
> -     .update_plane = drm_atomic_helper_update_plane,
> -     .disable_plane = drm_atomic_helper_disable_plane,
> -     .destroy = intel_plane_destroy,
> -     .atomic_duplicate_state = intel_plane_duplicate_state,
> -     .atomic_destroy_state = intel_plane_destroy_state,
> -     .format_mod_supported = i965_plane_format_mod_supported,
> -};
> -
> -static const struct drm_plane_funcs i8xx_plane_funcs = {
> -     .update_plane = drm_atomic_helper_update_plane,
> -     .disable_plane = drm_atomic_helper_disable_plane,
> -     .destroy = intel_plane_destroy,
> -     .atomic_duplicate_state = intel_plane_duplicate_state,
> -     .atomic_destroy_state = intel_plane_destroy_state,
> -     .format_mod_supported = i8xx_plane_format_mod_supported,
> -};
> -
> -static bool i9xx_plane_has_fbc(struct drm_i915_private *dev_priv,
> -                            enum i9xx_plane_id i9xx_plane)
> -{
> -     if (!HAS_FBC(dev_priv))
> -             return false;
> -
> -     if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
> -             return i9xx_plane == PLANE_A; /* tied to pipe A */
> -     else if (IS_IVYBRIDGE(dev_priv))
> -             return i9xx_plane == PLANE_A || i9xx_plane == PLANE_B ||
> -                     i9xx_plane == PLANE_C;
> -     else if (INTEL_GEN(dev_priv) >= 4)
> -             return i9xx_plane == PLANE_A || i9xx_plane == PLANE_B;
> -     else
> -             return i9xx_plane == PLANE_A;
> -}
> -
> -static struct intel_plane *
> -intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
> -{
> -     struct intel_plane *plane;
> -     const struct drm_plane_funcs *plane_funcs;
> -     unsigned int supported_rotations;
> -     const u32 *formats;
> -     int num_formats;
> -     int ret, zpos;
> -
> -     if (INTEL_GEN(dev_priv) >= 9)
> -             return skl_universal_plane_create(dev_priv, pipe,
> -                                               PLANE_PRIMARY);
> -
> -     plane = intel_plane_alloc();
> -     if (IS_ERR(plane))
> -             return plane;
> -
> -     plane->pipe = pipe;
> -     /*
> -      * On gen2/3 only plane A can do FBC, but the panel fitter and LVDS
> -      * port is hooked to pipe B. Hence we want plane A feeding pipe B.
> -      */
> -     if (HAS_FBC(dev_priv) && INTEL_GEN(dev_priv) < 4 &&
> -         INTEL_NUM_PIPES(dev_priv) == 2)
> -             plane->i9xx_plane = (enum i9xx_plane_id) !pipe;
> -     else
> -             plane->i9xx_plane = (enum i9xx_plane_id) pipe;
> -     plane->id = PLANE_PRIMARY;
> -     plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane->id);
> -
> -     plane->has_fbc = i9xx_plane_has_fbc(dev_priv, plane->i9xx_plane);
> -     if (plane->has_fbc) {
> -             struct intel_fbc *fbc = &dev_priv->fbc;
> -
> -             fbc->possible_framebuffer_bits |= plane->frontbuffer_bit;
> -     }
> -
> -     if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
> -             formats = vlv_primary_formats;
> -             num_formats = ARRAY_SIZE(vlv_primary_formats);
> -     } else if (INTEL_GEN(dev_priv) >= 4) {
> -             /*
> -              * WaFP16GammaEnabling:ivb
> -              * "Workaround : When using the 64-bit format, the plane
> -              *  output on each color channel has one quarter amplitude.
> -              *  It can be brought up to full amplitude by using pipe
> -              *  gamma correction or pipe color space conversion to
> -              *  multiply the plane output by four."
> -              *
> -              * There is no dedicated plane gamma for the primary plane,
> -              * and using the pipe gamma/csc could conflict with other
> -              * planes, so we choose not to expose fp16 on IVB primary
> -              * planes. HSW primary planes no longer have this problem.
> -              */
> -             if (IS_IVYBRIDGE(dev_priv)) {
> -                     formats = ivb_primary_formats;
> -                     num_formats = ARRAY_SIZE(ivb_primary_formats);
> -             } else {
> -                     formats = i965_primary_formats;
> -                     num_formats = ARRAY_SIZE(i965_primary_formats);
> -             }
> -     } else {
> -             formats = i8xx_primary_formats;
> -             num_formats = ARRAY_SIZE(i8xx_primary_formats);
> -     }
> -
> -     if (INTEL_GEN(dev_priv) >= 4)
> -             plane_funcs = &i965_plane_funcs;
> -     else
> -             plane_funcs = &i8xx_plane_funcs;
> -
> -     if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
> -             plane->min_cdclk = vlv_plane_min_cdclk;
> -     else if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
> -             plane->min_cdclk = hsw_plane_min_cdclk;
> -     else if (IS_IVYBRIDGE(dev_priv))
> -             plane->min_cdclk = ivb_plane_min_cdclk;
> -     else
> -             plane->min_cdclk = i9xx_plane_min_cdclk;
> -
> -     plane->max_stride = i9xx_plane_max_stride;
> -     plane->update_plane = i9xx_update_plane;
> -     plane->disable_plane = i9xx_disable_plane;
> -     plane->get_hw_state = i9xx_plane_get_hw_state;
> -     plane->check_plane = i9xx_plane_check;
> -
> -     if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
> -             ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
> -                                            0, plane_funcs,
> -                                            formats, num_formats,
> -                                            i9xx_format_modifiers,
> -                                            DRM_PLANE_TYPE_PRIMARY,
> -                                            "primary %c", pipe_name(pipe));
> -     else
> -             ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
> -                                            0, plane_funcs,
> -                                            formats, num_formats,
> -                                            i9xx_format_modifiers,
> -                                            DRM_PLANE_TYPE_PRIMARY,
> -                                            "plane %c",
> -                                            plane_name(plane->i9xx_plane));
> -     if (ret)
> -             goto fail;
> -
> -     if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
> -             supported_rotations =
> -                     DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 |
> -                     DRM_MODE_REFLECT_X;
> -     } else if (INTEL_GEN(dev_priv) >= 4) {
> -             supported_rotations =
> -                     DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
> -     } else {
> -             supported_rotations = DRM_MODE_ROTATE_0;
> -     }
> -
> -     if (INTEL_GEN(dev_priv) >= 4)
> -             drm_plane_create_rotation_property(&plane->base,
> -                                                DRM_MODE_ROTATE_0,
> -                                                supported_rotations);
> -
> -     zpos = 0;
> -     drm_plane_create_zpos_immutable_property(&plane->base, zpos);
> -
> -     drm_plane_helper_add(&plane->base, &intel_plane_helper_funcs);
> -
> -     return plane;
> -
> -fail:
> -     intel_plane_free(plane);
> -
> -     return ERR_PTR(ret);
> -}
> -
> -static int intel_crtc_late_register(struct drm_crtc *crtc)
> -{
> -     intel_crtc_debugfs_add(crtc);
> -     return 0;
> -}
> -
> -#define INTEL_CRTC_FUNCS \
> -     .gamma_set = drm_atomic_helper_legacy_gamma_set, \
> -     .set_config = drm_atomic_helper_set_config, \
> -     .destroy = intel_crtc_destroy, \
> -     .page_flip = drm_atomic_helper_page_flip, \
> -     .atomic_duplicate_state = intel_crtc_duplicate_state, \
> -     .atomic_destroy_state = intel_crtc_destroy_state, \
> -     .set_crc_source = intel_crtc_set_crc_source, \
> -     .verify_crc_source = intel_crtc_verify_crc_source, \
> -     .get_crc_sources = intel_crtc_get_crc_sources, \
> -     .late_register = intel_crtc_late_register
> -
> -static const struct drm_crtc_funcs bdw_crtc_funcs = {
> -     INTEL_CRTC_FUNCS,
> -
> -     .get_vblank_counter = g4x_get_vblank_counter,
> -     .enable_vblank = bdw_enable_vblank,
> -     .disable_vblank = bdw_disable_vblank,
> -     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> -};
> -
> -static const struct drm_crtc_funcs ilk_crtc_funcs = {
> -     INTEL_CRTC_FUNCS,
> -
> -     .get_vblank_counter = g4x_get_vblank_counter,
> -     .enable_vblank = ilk_enable_vblank,
> -     .disable_vblank = ilk_disable_vblank,
> -     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> -};
> -
> -static const struct drm_crtc_funcs g4x_crtc_funcs = {
> -     INTEL_CRTC_FUNCS,
> -
> -     .get_vblank_counter = g4x_get_vblank_counter,
> -     .enable_vblank = i965_enable_vblank,
> -     .disable_vblank = i965_disable_vblank,
> -     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> -};
> -
> -static const struct drm_crtc_funcs i965_crtc_funcs = {
> -     INTEL_CRTC_FUNCS,
> -
> -     .get_vblank_counter = i915_get_vblank_counter,
> -     .enable_vblank = i965_enable_vblank,
> -     .disable_vblank = i965_disable_vblank,
> -     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> -};
> -
> -static const struct drm_crtc_funcs i915gm_crtc_funcs = {
> -     INTEL_CRTC_FUNCS,
> -
> -     .get_vblank_counter = i915_get_vblank_counter,
> -     .enable_vblank = i915gm_enable_vblank,
> -     .disable_vblank = i915gm_disable_vblank,
> -     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> -};
> -
> -static const struct drm_crtc_funcs i915_crtc_funcs = {
> -     INTEL_CRTC_FUNCS,
> -
> -     .get_vblank_counter = i915_get_vblank_counter,
> -     .enable_vblank = i8xx_enable_vblank,
> -     .disable_vblank = i8xx_disable_vblank,
> -     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> -};
> -
> -static const struct drm_crtc_funcs i8xx_crtc_funcs = {
> -     INTEL_CRTC_FUNCS,
> -
> -     /* no hw vblank counter */
> -     .enable_vblank = i8xx_enable_vblank,
> -     .disable_vblank = i8xx_disable_vblank,
> -     .get_vblank_timestamp = intel_crtc_get_vblank_timestamp,
> -};
> -
> -static struct intel_crtc *intel_crtc_alloc(void)
> -{
> -     struct intel_crtc_state *crtc_state;
> -     struct intel_crtc *crtc;
> -
> -     crtc = kzalloc(sizeof(*crtc), GFP_KERNEL);
> -     if (!crtc)
> -             return ERR_PTR(-ENOMEM);
> -
> -     crtc_state = intel_crtc_state_alloc(crtc);
> -     if (!crtc_state) {
> -             kfree(crtc);
> -             return ERR_PTR(-ENOMEM);
> -     }
> -
> -     crtc->base.state = &crtc_state->uapi;
> -     crtc->config = crtc_state;
> -
> -     return crtc;
> -}
> -
> -static void intel_crtc_free(struct intel_crtc *crtc)
> -{
> -     intel_crtc_destroy_state(&crtc->base, crtc->base.state);
> -     kfree(crtc);
> -}
> -
>  static void intel_plane_possible_crtcs_init(struct drm_i915_private 
> *dev_priv)
>  {
>       struct intel_plane *plane;
> @@ -16591,100 +15753,6 @@ static void intel_plane_possible_crtcs_init(struct 
> drm_i915_private *dev_priv)
>       }
>  }
>  
> -static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
> -{
> -     struct intel_plane *primary, *cursor;
> -     const struct drm_crtc_funcs *funcs;
> -     struct intel_crtc *crtc;
> -     int sprite, ret;
> -
> -     crtc = intel_crtc_alloc();
> -     if (IS_ERR(crtc))
> -             return PTR_ERR(crtc);
> -
> -     crtc->pipe = pipe;
> -     crtc->num_scalers = RUNTIME_INFO(dev_priv)->num_scalers[pipe];
> -
> -     primary = intel_primary_plane_create(dev_priv, pipe);
> -     if (IS_ERR(primary)) {
> -             ret = PTR_ERR(primary);
> -             goto fail;
> -     }
> -     crtc->plane_ids_mask |= BIT(primary->id);
> -
> -     for_each_sprite(dev_priv, pipe, sprite) {
> -             struct intel_plane *plane;
> -
> -             plane = intel_sprite_plane_create(dev_priv, pipe, sprite);
> -             if (IS_ERR(plane)) {
> -                     ret = PTR_ERR(plane);
> -                     goto fail;
> -             }
> -             crtc->plane_ids_mask |= BIT(plane->id);
> -     }
> -
> -     cursor = intel_cursor_plane_create(dev_priv, pipe);
> -     if (IS_ERR(cursor)) {
> -             ret = PTR_ERR(cursor);
> -             goto fail;
> -     }
> -     crtc->plane_ids_mask |= BIT(cursor->id);
> -
> -     if (HAS_GMCH(dev_priv)) {
> -             if (IS_CHERRYVIEW(dev_priv) ||
> -                 IS_VALLEYVIEW(dev_priv) || IS_G4X(dev_priv))
> -                     funcs = &g4x_crtc_funcs;
> -             else if (IS_GEN(dev_priv, 4))
> -                     funcs = &i965_crtc_funcs;
> -             else if (IS_I945GM(dev_priv) || IS_I915GM(dev_priv))
> -                     funcs = &i915gm_crtc_funcs;
> -             else if (IS_GEN(dev_priv, 3))
> -                     funcs = &i915_crtc_funcs;
> -             else
> -                     funcs = &i8xx_crtc_funcs;
> -     } else {
> -             if (INTEL_GEN(dev_priv) >= 8)
> -                     funcs = &bdw_crtc_funcs;
> -             else
> -                     funcs = &ilk_crtc_funcs;
> -     }
> -
> -     ret = drm_crtc_init_with_planes(&dev_priv->drm, &crtc->base,
> -                                     &primary->base, &cursor->base,
> -                                     funcs, "pipe %c", pipe_name(pipe));
> -     if (ret)
> -             goto fail;
> -
> -     BUG_ON(pipe >= ARRAY_SIZE(dev_priv->pipe_to_crtc_mapping) ||
> -            dev_priv->pipe_to_crtc_mapping[pipe] != NULL);
> -     dev_priv->pipe_to_crtc_mapping[pipe] = crtc;
> -
> -     if (INTEL_GEN(dev_priv) < 9) {
> -             enum i9xx_plane_id i9xx_plane = primary->i9xx_plane;
> -
> -             BUG_ON(i9xx_plane >= 
> ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
> -                    dev_priv->plane_to_crtc_mapping[i9xx_plane] != NULL);
> -             dev_priv->plane_to_crtc_mapping[i9xx_plane] = crtc;
> -     }
> -
> -     if (INTEL_GEN(dev_priv) >= 10)
> -             drm_crtc_create_scaling_filter_property(&crtc->base,
> -                                             BIT(DRM_SCALING_FILTER_DEFAULT) 
> |
> -                                             
> BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR));
> -
> -     intel_color_init(crtc);
> -
> -     intel_crtc_crc_init(crtc);
> -
> -     drm_WARN_ON(&dev_priv->drm, drm_crtc_index(&crtc->base) != crtc->pipe);
> -
> -     return 0;
> -
> -fail:
> -     intel_crtc_free(crtc);
> -
> -     return ret;
> -}
>  
>  int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
>                                     struct drm_file *file)
> diff --git a/drivers/gpu/drm/i915/display/intel_display.h 
> b/drivers/gpu/drm/i915/display/intel_display.h
> index f0a5bf69656f..0eba91d18e96 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.h
> +++ b/drivers/gpu/drm/i915/display/intel_display.h
> @@ -659,6 +659,13 @@ struct intel_plane *
>  intel_cursor_plane_create(struct drm_i915_private *dev_priv,
>                         enum pipe pipe);
>  
> +/* crtc */
> +u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state);
> +int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe);
> +struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc);
> +void intel_crtc_state_reset(struct intel_crtc_state *crtc_state,
> +                         struct intel_crtc *crtc);
> +
>  /* modesetting */
>  void intel_modeset_init_hw(struct drm_i915_private *i915);
>  int intel_modeset_init_noirq(struct drm_i915_private *i915);
> -- 
> 2.27.0
> 
> _______________________________________________
> Intel-gfx mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel
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