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linuxdebug/drivers/gpu/drm/i915/display/intel_sprite.c

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null pointer error
2024-07-16 15:50:57 +02:00
/*
* 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 <linux/string_helpers.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_blend.h>
#include <drm/drm_color_mgmt.h>
#include <drm/drm_crtc.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_rect.h>
#include "i915_drv.h"
#include "i915_vgpu.h"
#include "i9xx_plane.h"
#include "intel_atomic_plane.h"
#include "intel_crtc.h"
#include "intel_de.h"
#include "intel_display_types.h"
#include "intel_fb.h"
#include "intel_frontbuffer.h"
#include "intel_sprite.h"
#include "intel_vrr.h"
int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
{
struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
struct drm_rect *src = &plane_state->uapi.src;
u32 src_x, src_y, src_w, src_h, hsub, vsub;
bool rotated = drm_rotation_90_or_270(plane_state->hw.rotation);
/*
* FIXME hsub/vsub vs. block size is a mess. Pre-tgl CCS
* abuses hsub/vsub so we can't use them here. But as they
* are limited to 32bpp RGB formats we don't actually need
* to check anything.
*/
if (fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS)
return 0;
/*
* 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;
drm_rect_init(src, src_x << 16, src_y << 16,
src_w << 16, src_h << 16);
if (fb->format->format == DRM_FORMAT_RGB565 && rotated) {
hsub = 2;
vsub = 2;
} else {
hsub = fb->format->hsub;
vsub = fb->format->vsub;
}
if (rotated)
hsub = vsub = max(hsub, vsub);
if (src_x % hsub || src_w % hsub) {
drm_dbg_kms(&i915->drm, "src x/w (%u, %u) must be a multiple of %u (rotated: %s)\n",
src_x, src_w, hsub, str_yes_no(rotated));
return -EINVAL;
}
if (src_y % vsub || src_h % vsub) {
drm_dbg_kms(&i915->drm, "src y/h (%u, %u) must be a multiple of %u (rotated: %s)\n",
src_y, src_h, vsub, str_yes_no(rotated));
return -EINVAL;
}
return 0;
}
static void i9xx_plane_linear_gamma(u16 gamma[8])
{
/* The points are not evenly spaced. */
static const u8 in[8] = { 0, 1, 2, 4, 8, 16, 24, 32 };
int i;
for (i = 0; i < 8; i++)
gamma[i] = (in[i] << 8) / 32;
}
static void
chv_sprite_update_csc(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
enum plane_id plane_id = plane->id;
/*
* |r| | c0 c1 c2 | |cr|
* |g| = | c3 c4 c5 | x |y |
* |b| | c6 c7 c8 | |cb|
*
* Coefficients are s3.12.
*
* Cb and Cr apparently come in as signed already, and
* we always get full range data in on account of CLRC0/1.
*/
static const s16 csc_matrix[][9] = {
/* BT.601 full range YCbCr -> full range RGB */
[DRM_COLOR_YCBCR_BT601] = {
5743, 4096, 0,
-2925, 4096, -1410,
0, 4096, 7258,
},
/* BT.709 full range YCbCr -> full range RGB */
[DRM_COLOR_YCBCR_BT709] = {
6450, 4096, 0,
-1917, 4096, -767,
0, 4096, 7601,
},
};
const s16 *csc = csc_matrix[plane_state->hw.color_encoding];
/* Seems RGB data bypasses the CSC always */
if (!fb->format->is_yuv)
return;
intel_de_write_fw(dev_priv, SPCSCYGOFF(plane_id),
SPCSC_OOFF(0) | SPCSC_IOFF(0));
intel_de_write_fw(dev_priv, SPCSCCBOFF(plane_id),
SPCSC_OOFF(0) | SPCSC_IOFF(0));
intel_de_write_fw(dev_priv, SPCSCCROFF(plane_id),
SPCSC_OOFF(0) | SPCSC_IOFF(0));
intel_de_write_fw(dev_priv, SPCSCC01(plane_id),
SPCSC_C1(csc[1]) | SPCSC_C0(csc[0]));
intel_de_write_fw(dev_priv, SPCSCC23(plane_id),
SPCSC_C1(csc[3]) | SPCSC_C0(csc[2]));
intel_de_write_fw(dev_priv, SPCSCC45(plane_id),
SPCSC_C1(csc[5]) | SPCSC_C0(csc[4]));
intel_de_write_fw(dev_priv, SPCSCC67(plane_id),
SPCSC_C1(csc[7]) | SPCSC_C0(csc[6]));
intel_de_write_fw(dev_priv, SPCSCC8(plane_id), SPCSC_C0(csc[8]));
intel_de_write_fw(dev_priv, SPCSCYGICLAMP(plane_id),
SPCSC_IMAX(1023) | SPCSC_IMIN(0));
intel_de_write_fw(dev_priv, SPCSCCBICLAMP(plane_id),
SPCSC_IMAX(512) | SPCSC_IMIN(-512));
intel_de_write_fw(dev_priv, SPCSCCRICLAMP(plane_id),
SPCSC_IMAX(512) | SPCSC_IMIN(-512));
intel_de_write_fw(dev_priv, SPCSCYGOCLAMP(plane_id),
SPCSC_OMAX(1023) | SPCSC_OMIN(0));
intel_de_write_fw(dev_priv, SPCSCCBOCLAMP(plane_id),
SPCSC_OMAX(1023) | SPCSC_OMIN(0));
intel_de_write_fw(dev_priv, SPCSCCROCLAMP(plane_id),
SPCSC_OMAX(1023) | SPCSC_OMIN(0));
}
#define SIN_0 0
#define COS_0 1
static void
vlv_sprite_update_clrc(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
int contrast, brightness, sh_scale, sh_sin, sh_cos;
if (fb->format->is_yuv &&
plane_state->hw.color_range == DRM_COLOR_YCBCR_LIMITED_RANGE) {
/*
* Expand limited range to full range:
* Contrast is applied first and is used to expand Y range.
* Brightness is applied second and is used to remove the
* offset from Y. Saturation/hue is used to expand CbCr range.
*/
contrast = DIV_ROUND_CLOSEST(255 << 6, 235 - 16);
brightness = -DIV_ROUND_CLOSEST(16 * 255, 235 - 16);
sh_scale = DIV_ROUND_CLOSEST(128 << 7, 240 - 128);
sh_sin = SIN_0 * sh_scale;
sh_cos = COS_0 * sh_scale;
} else {
/* Pass-through everything. */
contrast = 1 << 6;
brightness = 0;
sh_scale = 1 << 7;
sh_sin = SIN_0 * sh_scale;
sh_cos = COS_0 * sh_scale;
}
/* FIXME these register are single buffered :( */
intel_de_write_fw(dev_priv, SPCLRC0(pipe, plane_id),
SP_CONTRAST(contrast) | SP_BRIGHTNESS(brightness));
intel_de_write_fw(dev_priv, SPCLRC1(pipe, plane_id),
SP_SH_SIN(sh_sin) | SP_SH_COS(sh_cos));
}
static void
vlv_plane_ratio(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
{
u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
const struct drm_framebuffer *fb = plane_state->hw.fb;
unsigned int cpp = fb->format->cpp[0];
/*
* VLV bspec only considers cases where all three planes are
* enabled, and cases where the primary and one sprite is enabled.
* Let's assume the case with just two sprites enabled also
* maps to the latter case.
*/
if (hweight8(active_planes) == 3) {
switch (cpp) {
case 8:
*num = 11;
*den = 8;
break;
case 4:
*num = 18;
*den = 16;
break;
default:
*num = 1;
*den = 1;
break;
}
} else if (hweight8(active_planes) == 2) {
switch (cpp) {
case 8:
*num = 10;
*den = 8;
break;
case 4:
*num = 17;
*den = 16;
break;
default:
*num = 1;
*den = 1;
break;
}
} else {
switch (cpp) {
case 8:
*num = 10;
*den = 8;
break;
default:
*num = 1;
*den = 1;
break;
}
}
}
int vlv_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;
vlv_plane_ratio(crtc_state, plane_state, &num, &den);
return DIV_ROUND_UP(pixel_rate * num, den);
}
static u32 vlv_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
{
u32 sprctl = 0;
if (crtc_state->gamma_enable)
sprctl |= SP_PIPE_GAMMA_ENABLE;
return sprctl;
}
static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->hw.fb;
unsigned int rotation = plane_state->hw.rotation;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 sprctl;
sprctl = SP_ENABLE;
switch (fb->format->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_C8:
sprctl |= SP_FORMAT_8BPP;
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_XRGB2101010:
sprctl |= SP_FORMAT_BGRX1010102;
break;
case DRM_FORMAT_ARGB2101010:
sprctl |= SP_FORMAT_BGRA1010102;
break;
case DRM_FORMAT_XBGR8888:
sprctl |= SP_FORMAT_RGBX8888;
break;
case DRM_FORMAT_ABGR8888:
sprctl |= SP_FORMAT_RGBA8888;
break;
default:
MISSING_CASE(fb->format->format);
return 0;
}
if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
sprctl |= SP_YUV_FORMAT_BT709;
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SP_TILED;
if (rotation & DRM_MODE_ROTATE_180)
sprctl |= SP_ROTATE_180;
if (rotation & DRM_MODE_REFLECT_X)
sprctl |= SP_MIRROR;
if (key->flags & I915_SET_COLORKEY_SOURCE)
sprctl |= SP_SOURCE_KEY;
return sprctl;
}
static void vlv_sprite_update_gamma(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
u16 gamma[8];
int i;
/* Seems RGB data bypasses the gamma always */
if (!fb->format->is_yuv)
return;
i9xx_plane_linear_gamma(gamma);
/* FIXME these register are single buffered :( */
/* The two end points are implicit (0.0 and 1.0) */
for (i = 1; i < 8 - 1; i++)
intel_de_write_fw(dev_priv, SPGAMC(pipe, plane_id, i - 1),
gamma[i] << 16 | gamma[i] << 8 | gamma[i]);
}
static void
vlv_sprite_update_noarm(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 pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
int crtc_x = plane_state->uapi.dst.x1;
int crtc_y = plane_state->uapi.dst.y1;
u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
intel_de_write_fw(dev_priv, SPSTRIDE(pipe, plane_id),
plane_state->view.color_plane[0].mapping_stride);
intel_de_write_fw(dev_priv, SPPOS(pipe, plane_id),
SP_POS_Y(crtc_y) | SP_POS_X(crtc_x));
intel_de_write_fw(dev_priv, SPSIZE(pipe, plane_id),
SP_HEIGHT(crtc_h - 1) | SP_WIDTH(crtc_w - 1));
}
static void
vlv_sprite_update_arm(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 pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 sprsurf_offset = plane_state->view.color_plane[0].offset;
u32 x = plane_state->view.color_plane[0].x;
u32 y = plane_state->view.color_plane[0].y;
u32 sprctl, linear_offset;
sprctl = plane_state->ctl | vlv_sprite_ctl_crtc(crtc_state);
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B)
chv_sprite_update_csc(plane_state);
if (key->flags) {
intel_de_write_fw(dev_priv, SPKEYMINVAL(pipe, plane_id),
key->min_value);
intel_de_write_fw(dev_priv, SPKEYMSK(pipe, plane_id),
key->channel_mask);
intel_de_write_fw(dev_priv, SPKEYMAXVAL(pipe, plane_id),
key->max_value);
}
intel_de_write_fw(dev_priv, SPCONSTALPHA(pipe, plane_id), 0);
intel_de_write_fw(dev_priv, SPLINOFF(pipe, plane_id), linear_offset);
intel_de_write_fw(dev_priv, SPTILEOFF(pipe, plane_id),
SP_OFFSET_Y(y) | SP_OFFSET_X(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, SPCNTR(pipe, plane_id), sprctl);
intel_de_write_fw(dev_priv, SPSURF(pipe, plane_id),
intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
vlv_sprite_update_clrc(plane_state);
vlv_sprite_update_gamma(plane_state);
}
static void
vlv_sprite_disable_arm(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
intel_de_write_fw(dev_priv, SPCNTR(pipe, plane_id), 0);
intel_de_write_fw(dev_priv, SPSURF(pipe, plane_id), 0);
}
static bool
vlv_sprite_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 plane_id plane_id = plane->id;
intel_wakeref_t wakeref;
bool ret;
power_domain = POWER_DOMAIN_PIPE(plane->pipe);
wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
if (!wakeref)
return false;
ret = intel_de_read(dev_priv, SPCNTR(plane->pipe, plane_id)) & SP_ENABLE;
*pipe = plane->pipe;
intel_display_power_put(dev_priv, power_domain, wakeref);
return ret;
}
static void ivb_plane_ratio(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
{
u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
const struct drm_framebuffer *fb = plane_state->hw.fb;
unsigned int cpp = fb->format->cpp[0];
if (hweight8(active_planes) == 2) {
switch (cpp) {
case 8:
*num = 10;
*den = 8;
break;
case 4:
*num = 17;
*den = 16;
break;
default:
*num = 1;
*den = 1;
break;
}
} else {
switch (cpp) {
case 8:
*num = 9;
*den = 8;
break;
default:
*num = 1;
*den = 1;
break;
}
}
}
static void ivb_plane_ratio_scaling(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];
switch (cpp) {
case 8:
*num = 12;
*den = 8;
break;
case 4:
*num = 19;
*den = 16;
break;
case 2:
*num = 33;
*den = 32;
break;
default:
*num = 1;
*den = 1;
break;
}
}
int ivb_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;
ivb_plane_ratio(crtc_state, plane_state, &num, &den);
return DIV_ROUND_UP(pixel_rate * num, den);
}
static int ivb_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
unsigned int src_w, dst_w, 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;
src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
dst_w = drm_rect_width(&plane_state->uapi.dst);
if (src_w != dst_w)
ivb_plane_ratio_scaling(crtc_state, plane_state, &num, &den);
else
ivb_plane_ratio(crtc_state, plane_state, &num, &den);
/* Horizontal downscaling limits the maximum pixel rate */
dst_w = min(src_w, dst_w);
return DIV_ROUND_UP_ULL(mul_u32_u32(pixel_rate, num * src_w),
den * dst_w);
}
static void hsw_plane_ratio(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
unsigned int *num, unsigned int *den)
{
u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
const struct drm_framebuffer *fb = plane_state->hw.fb;
unsigned int cpp = fb->format->cpp[0];
if (hweight8(active_planes) == 2) {
switch (cpp) {
case 8:
*num = 10;
*den = 8;
break;
default:
*num = 1;
*den = 1;
break;
}
} else {
switch (cpp) {
case 8:
*num = 9;
*den = 8;
break;
default:
*num = 1;
*den = 1;
break;
}
}
}
int hsw_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
unsigned int pixel_rate = crtc_state->pixel_rate;
unsigned int num, den;
hsw_plane_ratio(crtc_state, plane_state, &num, &den);
return DIV_ROUND_UP(pixel_rate * num, den);
}
static u32 ivb_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
{
u32 sprctl = 0;
if (crtc_state->gamma_enable)
sprctl |= SPRITE_PIPE_GAMMA_ENABLE;
if (crtc_state->csc_enable)
sprctl |= SPRITE_PIPE_CSC_ENABLE;
return sprctl;
}
static bool ivb_need_sprite_gamma(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;
return fb->format->cpp[0] == 8 &&
(IS_IVYBRIDGE(dev_priv) || IS_HASWELL(dev_priv));
}
static u32 ivb_sprite_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;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 sprctl;
sprctl = SPRITE_ENABLE;
if (IS_IVYBRIDGE(dev_priv))
sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
switch (fb->format->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_XBGR2101010:
sprctl |= SPRITE_FORMAT_RGBX101010 | SPRITE_RGB_ORDER_RGBX;
break;
case DRM_FORMAT_XRGB2101010:
sprctl |= SPRITE_FORMAT_RGBX101010;
break;
case DRM_FORMAT_XBGR16161616F:
sprctl |= SPRITE_FORMAT_RGBX161616 | SPRITE_RGB_ORDER_RGBX;
break;
case DRM_FORMAT_XRGB16161616F:
sprctl |= SPRITE_FORMAT_RGBX161616;
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:
MISSING_CASE(fb->format->format);
return 0;
}
if (!ivb_need_sprite_gamma(plane_state))
sprctl |= SPRITE_PLANE_GAMMA_DISABLE;
if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709;
if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
sprctl |= SPRITE_YUV_RANGE_CORRECTION_DISABLE;
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SPRITE_TILED;
if (rotation & DRM_MODE_ROTATE_180)
sprctl |= SPRITE_ROTATE_180;
if (key->flags & I915_SET_COLORKEY_DESTINATION)
sprctl |= SPRITE_DEST_KEY;
else if (key->flags & I915_SET_COLORKEY_SOURCE)
sprctl |= SPRITE_SOURCE_KEY;
return sprctl;
}
static void ivb_sprite_linear_gamma(const struct intel_plane_state *plane_state,
u16 gamma[18])
{
int scale, i;
/*
* WaFP16GammaEnabling:ivb,hsw
* "Workaround : When using the 64-bit format, the sprite output
* on each color channel has one quarter amplitude. It can be
* brought up to full amplitude by using sprite internal gamma
* correction, pipe gamma correction, or pipe color space
* conversion to multiply the sprite output by four."
*/
scale = 4;
for (i = 0; i < 16; i++)
gamma[i] = min((scale * i << 10) / 16, (1 << 10) - 1);
gamma[i] = min((scale * i << 10) / 16, 1 << 10);
i++;
gamma[i] = 3 << 10;
i++;
}
static void ivb_sprite_update_gamma(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
u16 gamma[18];
int i;
if (!ivb_need_sprite_gamma(plane_state))
return;
ivb_sprite_linear_gamma(plane_state, gamma);
/* FIXME these register are single buffered :( */
for (i = 0; i < 16; i++)
intel_de_write_fw(dev_priv, SPRGAMC(pipe, i),
gamma[i] << 20 | gamma[i] << 10 | gamma[i]);
intel_de_write_fw(dev_priv, SPRGAMC16(pipe, 0), gamma[i]);
intel_de_write_fw(dev_priv, SPRGAMC16(pipe, 1), gamma[i]);
intel_de_write_fw(dev_priv, SPRGAMC16(pipe, 2), gamma[i]);
i++;
intel_de_write_fw(dev_priv, SPRGAMC17(pipe, 0), gamma[i]);
intel_de_write_fw(dev_priv, SPRGAMC17(pipe, 1), gamma[i]);
intel_de_write_fw(dev_priv, SPRGAMC17(pipe, 2), gamma[i]);
i++;
}
static void
ivb_sprite_update_noarm(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 pipe pipe = plane->pipe;
int crtc_x = plane_state->uapi.dst.x1;
int crtc_y = plane_state->uapi.dst.y1;
u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
u32 sprscale = 0;
if (crtc_w != src_w || crtc_h != src_h)
sprscale = SPRITE_SCALE_ENABLE |
SPRITE_SRC_WIDTH(src_w - 1) |
SPRITE_SRC_HEIGHT(src_h - 1);
intel_de_write_fw(dev_priv, SPRSTRIDE(pipe),
plane_state->view.color_plane[0].mapping_stride);
intel_de_write_fw(dev_priv, SPRPOS(pipe),
SPRITE_POS_Y(crtc_y) | SPRITE_POS_X(crtc_x));
intel_de_write_fw(dev_priv, SPRSIZE(pipe),
SPRITE_HEIGHT(crtc_h - 1) | SPRITE_WIDTH(crtc_w - 1));
if (IS_IVYBRIDGE(dev_priv))
intel_de_write_fw(dev_priv, SPRSCALE(pipe), sprscale);
}
static void
ivb_sprite_update_arm(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 pipe pipe = plane->pipe;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 sprsurf_offset = plane_state->view.color_plane[0].offset;
u32 x = plane_state->view.color_plane[0].x;
u32 y = plane_state->view.color_plane[0].y;
u32 sprctl, linear_offset;
sprctl = plane_state->ctl | ivb_sprite_ctl_crtc(crtc_state);
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
if (key->flags) {
intel_de_write_fw(dev_priv, SPRKEYVAL(pipe), key->min_value);
intel_de_write_fw(dev_priv, SPRKEYMSK(pipe),
key->channel_mask);
intel_de_write_fw(dev_priv, SPRKEYMAX(pipe), key->max_value);
}
/* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
* register */
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
intel_de_write_fw(dev_priv, SPROFFSET(pipe),
SPRITE_OFFSET_Y(y) | SPRITE_OFFSET_X(x));
} else {
intel_de_write_fw(dev_priv, SPRLINOFF(pipe), linear_offset);
intel_de_write_fw(dev_priv, SPRTILEOFF(pipe),
SPRITE_OFFSET_Y(y) | SPRITE_OFFSET_X(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, SPRCTL(pipe), sprctl);
intel_de_write_fw(dev_priv, SPRSURF(pipe),
intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
ivb_sprite_update_gamma(plane_state);
}
static void
ivb_sprite_disable_arm(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
intel_de_write_fw(dev_priv, SPRCTL(pipe), 0);
/* Disable the scaler */
if (IS_IVYBRIDGE(dev_priv))
intel_de_write_fw(dev_priv, SPRSCALE(pipe), 0);
intel_de_write_fw(dev_priv, SPRSURF(pipe), 0);
}
static bool
ivb_sprite_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;
intel_wakeref_t wakeref;
bool ret;
power_domain = POWER_DOMAIN_PIPE(plane->pipe);
wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
if (!wakeref)
return false;
ret = intel_de_read(dev_priv, SPRCTL(plane->pipe)) & SPRITE_ENABLE;
*pipe = plane->pipe;
intel_display_power_put(dev_priv, power_domain, wakeref);
return ret;
}
static int g4x_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->hw.fb;
unsigned int hscale, pixel_rate;
unsigned int limit, decimate;
/*
* 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;
/* Horizontal downscaling limits the maximum pixel rate */
hscale = drm_rect_calc_hscale(&plane_state->uapi.src,
&plane_state->uapi.dst,
0, INT_MAX);
hscale = max(hscale, 0x10000u);
/* Decimation steps at 2x,4x,8x,16x */
decimate = ilog2(hscale >> 16);
hscale >>= decimate;
/* Starting limit is 90% of cdclk */
limit = 9;
/* -10% per decimation step */
limit -= decimate;
/* -10% for RGB */
if (!fb->format->is_yuv)
limit--;
/*
* We should also do -10% if sprite scaling is enabled
* on the other pipe, but we can't really check for that,
* so we ignore it.
*/
return DIV_ROUND_UP_ULL(mul_u32_u32(pixel_rate, 10 * hscale),
limit << 16);
}
static unsigned int
g4x_sprite_max_stride(struct intel_plane *plane,
u32 pixel_format, u64 modifier,
unsigned int rotation)
{
const struct drm_format_info *info = drm_format_info(pixel_format);
int cpp = info->cpp[0];
/* Limit to 4k pixels to guarantee TILEOFF.x doesn't get too big. */
if (modifier == I915_FORMAT_MOD_X_TILED)
return min(4096 * cpp, 16 * 1024);
else
return 16 * 1024;
}
static unsigned int
hsw_sprite_max_stride(struct intel_plane *plane,
u32 pixel_format, u64 modifier,
unsigned int rotation)
{
const struct drm_format_info *info = drm_format_info(pixel_format);
int cpp = info->cpp[0];
/* Limit to 8k pixels to guarantee OFFSET.x doesn't get too big. */
return min(8192 * cpp, 16 * 1024);
}
static u32 g4x_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
{
u32 dvscntr = 0;
if (crtc_state->gamma_enable)
dvscntr |= DVS_PIPE_GAMMA_ENABLE;
if (crtc_state->csc_enable)
dvscntr |= DVS_PIPE_CSC_ENABLE;
return dvscntr;
}
static u32 g4x_sprite_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;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 dvscntr;
dvscntr = DVS_ENABLE;
if (IS_SANDYBRIDGE(dev_priv))
dvscntr |= DVS_TRICKLE_FEED_DISABLE;
switch (fb->format->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_XBGR2101010:
dvscntr |= DVS_FORMAT_RGBX101010 | DVS_RGB_ORDER_XBGR;
break;
case DRM_FORMAT_XRGB2101010:
dvscntr |= DVS_FORMAT_RGBX101010;
break;
case DRM_FORMAT_XBGR16161616F:
dvscntr |= DVS_FORMAT_RGBX161616 | DVS_RGB_ORDER_XBGR;
break;
case DRM_FORMAT_XRGB16161616F:
dvscntr |= DVS_FORMAT_RGBX161616;
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:
MISSING_CASE(fb->format->format);
return 0;
}
if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
dvscntr |= DVS_YUV_FORMAT_BT709;
if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
dvscntr |= DVS_YUV_RANGE_CORRECTION_DISABLE;
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
dvscntr |= DVS_TILED;
if (rotation & DRM_MODE_ROTATE_180)
dvscntr |= DVS_ROTATE_180;
if (key->flags & I915_SET_COLORKEY_DESTINATION)
dvscntr |= DVS_DEST_KEY;
else if (key->flags & I915_SET_COLORKEY_SOURCE)
dvscntr |= DVS_SOURCE_KEY;
return dvscntr;
}
static void g4x_sprite_update_gamma(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
enum pipe pipe = plane->pipe;
u16 gamma[8];
int i;
/* Seems RGB data bypasses the gamma always */
if (!fb->format->is_yuv)
return;
i9xx_plane_linear_gamma(gamma);
/* FIXME these register are single buffered :( */
/* The two end points are implicit (0.0 and 1.0) */
for (i = 1; i < 8 - 1; i++)
intel_de_write_fw(dev_priv, DVSGAMC_G4X(pipe, i - 1),
gamma[i] << 16 | gamma[i] << 8 | gamma[i]);
}
static void ilk_sprite_linear_gamma(u16 gamma[17])
{
int i;
for (i = 0; i < 17; i++)
gamma[i] = (i << 10) / 16;
}
static void ilk_sprite_update_gamma(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
enum pipe pipe = plane->pipe;
u16 gamma[17];
int i;
/* Seems RGB data bypasses the gamma always */
if (!fb->format->is_yuv)
return;
ilk_sprite_linear_gamma(gamma);
/* FIXME these register are single buffered :( */
for (i = 0; i < 16; i++)
intel_de_write_fw(dev_priv, DVSGAMC_ILK(pipe, i),
gamma[i] << 20 | gamma[i] << 10 | gamma[i]);
intel_de_write_fw(dev_priv, DVSGAMCMAX_ILK(pipe, 0), gamma[i]);
intel_de_write_fw(dev_priv, DVSGAMCMAX_ILK(pipe, 1), gamma[i]);
intel_de_write_fw(dev_priv, DVSGAMCMAX_ILK(pipe, 2), gamma[i]);
i++;
}
static void
g4x_sprite_update_noarm(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 pipe pipe = plane->pipe;
int crtc_x = plane_state->uapi.dst.x1;
int crtc_y = plane_state->uapi.dst.y1;
u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
u32 dvsscale = 0;
if (crtc_w != src_w || crtc_h != src_h)
dvsscale = DVS_SCALE_ENABLE |
DVS_SRC_WIDTH(src_w - 1) |
DVS_SRC_HEIGHT(src_h - 1);
intel_de_write_fw(dev_priv, DVSSTRIDE(pipe),
plane_state->view.color_plane[0].mapping_stride);
intel_de_write_fw(dev_priv, DVSPOS(pipe),
DVS_POS_Y(crtc_y) | DVS_POS_X(crtc_x));
intel_de_write_fw(dev_priv, DVSSIZE(pipe),
DVS_HEIGHT(crtc_h - 1) | DVS_WIDTH(crtc_w - 1));
intel_de_write_fw(dev_priv, DVSSCALE(pipe), dvsscale);
}
static void
g4x_sprite_update_arm(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 pipe pipe = plane->pipe;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 dvssurf_offset = plane_state->view.color_plane[0].offset;
u32 x = plane_state->view.color_plane[0].x;
u32 y = plane_state->view.color_plane[0].y;
u32 dvscntr, linear_offset;
dvscntr = plane_state->ctl | g4x_sprite_ctl_crtc(crtc_state);
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
if (key->flags) {
intel_de_write_fw(dev_priv, DVSKEYVAL(pipe), key->min_value);
intel_de_write_fw(dev_priv, DVSKEYMSK(pipe),
key->channel_mask);
intel_de_write_fw(dev_priv, DVSKEYMAX(pipe), key->max_value);
}
intel_de_write_fw(dev_priv, DVSLINOFF(pipe), linear_offset);
intel_de_write_fw(dev_priv, DVSTILEOFF(pipe), (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, DVSCNTR(pipe), dvscntr);
intel_de_write_fw(dev_priv, DVSSURF(pipe),
intel_plane_ggtt_offset(plane_state) + dvssurf_offset);
if (IS_G4X(dev_priv))
g4x_sprite_update_gamma(plane_state);
else
ilk_sprite_update_gamma(plane_state);
}
static void
g4x_sprite_disable_arm(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
intel_de_write_fw(dev_priv, DVSCNTR(pipe), 0);
/* Disable the scaler */
intel_de_write_fw(dev_priv, DVSSCALE(pipe), 0);
intel_de_write_fw(dev_priv, DVSSURF(pipe), 0);
}
static bool
g4x_sprite_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;
intel_wakeref_t wakeref;
bool ret;
power_domain = POWER_DOMAIN_PIPE(plane->pipe);
wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
if (!wakeref)
return false;
ret = intel_de_read(dev_priv, DVSCNTR(plane->pipe)) & DVS_ENABLE;
*pipe = plane->pipe;
intel_display_power_put(dev_priv, power_domain, wakeref);
return ret;
}
static bool g4x_fb_scalable(const struct drm_framebuffer *fb)
{
if (!fb)
return false;
switch (fb->format->format) {
case DRM_FORMAT_C8:
case DRM_FORMAT_XRGB16161616F:
case DRM_FORMAT_ARGB16161616F:
case DRM_FORMAT_XBGR16161616F:
case DRM_FORMAT_ABGR16161616F:
return false;
default:
return true;
}
}
static int
g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state,
struct intel_plane_state *plane_state)
{
struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
const struct drm_framebuffer *fb = plane_state->hw.fb;
const struct drm_rect *src = &plane_state->uapi.src;
const struct drm_rect *dst = &plane_state->uapi.dst;
int src_x, src_w, src_h, crtc_w, crtc_h;
const struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
unsigned int stride = plane_state->view.color_plane[0].mapping_stride;
unsigned int cpp = fb->format->cpp[0];
unsigned int width_bytes;
int min_width, min_height;
crtc_w = drm_rect_width(dst);
crtc_h = drm_rect_height(dst);
src_x = src->x1 >> 16;
src_w = drm_rect_width(src) >> 16;
src_h = drm_rect_height(src) >> 16;
if (src_w == crtc_w && src_h == crtc_h)
return 0;
min_width = 3;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
if (src_h & 1) {
drm_dbg_kms(&i915->drm, "Source height must be even with interlaced modes\n");
return -EINVAL;
}
min_height = 6;
} else {
min_height = 3;
}
width_bytes = ((src_x * cpp) & 63) + src_w * cpp;
if (src_w < min_width || src_h < min_height ||
src_w > 2048 || src_h > 2048) {
drm_dbg_kms(&i915->drm, "Source dimensions (%dx%d) exceed hardware limits (%dx%d - %dx%d)\n",
src_w, src_h, min_width, min_height, 2048, 2048);
return -EINVAL;
}
if (width_bytes > 4096) {
drm_dbg_kms(&i915->drm, "Fetch width (%d) exceeds hardware max with scaling (%u)\n",
width_bytes, 4096);
return -EINVAL;
}
if (stride > 4096) {
drm_dbg_kms(&i915->drm, "Stride (%u) exceeds hardware max with scaling (%u)\n",
stride, 4096);
return -EINVAL;
}
return 0;
}
static int
g4x_sprite_check(struct intel_crtc_state *crtc_state,
struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
int min_scale = DRM_PLANE_NO_SCALING;
int max_scale = DRM_PLANE_NO_SCALING;
int ret;
if (g4x_fb_scalable(plane_state->hw.fb)) {
if (DISPLAY_VER(dev_priv) < 7) {
min_scale = 1;
max_scale = 16 << 16;
} else if (IS_IVYBRIDGE(dev_priv)) {
min_scale = 1;
max_scale = 2 << 16;
}
}
ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
min_scale, max_scale, true);
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;
ret = g4x_sprite_check_scaling(crtc_state, plane_state);
if (ret)
return ret;
if (DISPLAY_VER(dev_priv) >= 7)
plane_state->ctl = ivb_sprite_ctl(crtc_state, plane_state);
else
plane_state->ctl = g4x_sprite_ctl(crtc_state, plane_state);
return 0;
}
int chv_plane_check_rotation(const struct intel_plane_state *plane_state)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
unsigned int rotation = plane_state->hw.rotation;
/* CHV ignores the mirror bit when the rotate bit is set :( */
if (IS_CHERRYVIEW(dev_priv) &&
rotation & DRM_MODE_ROTATE_180 &&
rotation & DRM_MODE_REFLECT_X) {
drm_dbg_kms(&dev_priv->drm,
"Cannot rotate and reflect at the same time\n");
return -EINVAL;
}
return 0;
}
static int
vlv_sprite_check(struct intel_crtc_state *crtc_state,
struct intel_plane_state *plane_state)
{
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_NO_SCALING,
DRM_PLANE_NO_SCALING,
true);
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 = vlv_sprite_ctl(crtc_state, plane_state);
return 0;
}
static bool has_dst_key_in_primary_plane(struct drm_i915_private *dev_priv)
{
return DISPLAY_VER(dev_priv) >= 9;
}
static void intel_plane_set_ckey(struct intel_plane_state *plane_state,
const struct drm_intel_sprite_colorkey *set)
{
struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
*key = *set;
/*
* We want src key enabled on the
* sprite and not on the primary.
*/
if (plane->id == PLANE_PRIMARY &&
set->flags & I915_SET_COLORKEY_SOURCE)
key->flags = 0;
/*
* On SKL+ we want dst key enabled on
* the primary and not on the sprite.
*/
if (DISPLAY_VER(dev_priv) >= 9 && plane->id != PLANE_PRIMARY &&
set->flags & I915_SET_COLORKEY_DESTINATION)
key->flags = 0;
}
int intel_sprite_set_colorkey_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_i915_private *dev_priv = to_i915(dev);
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;
/* ignore the pointless "none" flag */
set->flags &= ~I915_SET_COLORKEY_NONE;
if (set->flags & ~(I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
return -EINVAL;
/* 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_priv) || IS_CHERRYVIEW(dev_priv)) &&
set->flags & I915_SET_COLORKEY_DESTINATION)
return -EINVAL;
plane = drm_plane_find(dev, file_priv, set->plane_id);
if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY)
return -ENOENT;
/*
* SKL+ only plane 2 can do destination keying against plane 1.
* Also multiple planes can't do destination keying on the same
* pipe simultaneously.
*/
if (DISPLAY_VER(dev_priv) >= 9 &&
to_intel_plane(plane)->id >= PLANE_SPRITE1 &&
set->flags & I915_SET_COLORKEY_DESTINATION)
return -EINVAL;
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)
intel_plane_set_ckey(to_intel_plane_state(plane_state), set);
/*
* On some platforms we have to configure
* the dst colorkey on the primary plane.
*/
if (!ret && has_dst_key_in_primary_plane(dev_priv)) {
struct intel_crtc *crtc =
intel_crtc_for_pipe(dev_priv,
to_intel_plane(plane)->pipe);
plane_state = drm_atomic_get_plane_state(state,
crtc->base.primary);
ret = PTR_ERR_OR_ZERO(plane_state);
if (!ret)
intel_plane_set_ckey(to_intel_plane_state(plane_state), set);
}
if (!ret)
ret = drm_atomic_commit(state);
if (ret != -EDEADLK)
break;
drm_atomic_state_clear(state);
drm_modeset_backoff(&ctx);
}
drm_atomic_state_put(state);
out:
drm_modeset_drop_locks(&ctx);
drm_modeset_acquire_fini(&ctx);
return ret;
}
static const u32 g4x_sprite_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const u32 snb_sprite_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_XRGB2101010,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_XRGB16161616F,
DRM_FORMAT_XBGR16161616F,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const u32 vlv_sprite_formats[] = {
DRM_FORMAT_C8,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_ABGR2101010,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const u32 chv_pipe_b_sprite_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_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static bool g4x_sprite_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
return false;
switch (format) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED)
return true;
fallthrough;
default:
return false;
}
}
static bool snb_sprite_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
return false;
switch (format) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_XRGB16161616F:
case DRM_FORMAT_XBGR16161616F:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED)
return true;
fallthrough;
default:
return false;
}
}
static bool vlv_sprite_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
return false;
switch (format) {
case DRM_FORMAT_C8:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED)
return true;
fallthrough;
default:
return false;
}
}
static const struct drm_plane_funcs g4x_sprite_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 = g4x_sprite_format_mod_supported,
};
static const struct drm_plane_funcs snb_sprite_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 = snb_sprite_format_mod_supported,
};
static const struct drm_plane_funcs vlv_sprite_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 = vlv_sprite_format_mod_supported,
};
struct intel_plane *
intel_sprite_plane_create(struct drm_i915_private *dev_priv,
enum pipe pipe, int sprite)
{
struct intel_plane *plane;
const struct drm_plane_funcs *plane_funcs;
unsigned int supported_rotations;
const u64 *modifiers;
const u32 *formats;
int num_formats;
int ret, zpos;
plane = intel_plane_alloc();
if (IS_ERR(plane))
return plane;
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
plane->update_noarm = vlv_sprite_update_noarm;
plane->update_arm = vlv_sprite_update_arm;
plane->disable_arm = vlv_sprite_disable_arm;
plane->get_hw_state = vlv_sprite_get_hw_state;
plane->check_plane = vlv_sprite_check;
plane->max_stride = i965_plane_max_stride;
plane->min_cdclk = vlv_plane_min_cdclk;
if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
formats = chv_pipe_b_sprite_formats;
num_formats = ARRAY_SIZE(chv_pipe_b_sprite_formats);
} else {
formats = vlv_sprite_formats;
num_formats = ARRAY_SIZE(vlv_sprite_formats);
}
plane_funcs = &vlv_sprite_funcs;
} else if (DISPLAY_VER(dev_priv) >= 7) {
plane->update_noarm = ivb_sprite_update_noarm;
plane->update_arm = ivb_sprite_update_arm;
plane->disable_arm = ivb_sprite_disable_arm;
plane->get_hw_state = ivb_sprite_get_hw_state;
plane->check_plane = g4x_sprite_check;
if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) {
plane->max_stride = hsw_sprite_max_stride;
plane->min_cdclk = hsw_plane_min_cdclk;
} else {
plane->max_stride = g4x_sprite_max_stride;
plane->min_cdclk = ivb_sprite_min_cdclk;
}
formats = snb_sprite_formats;
num_formats = ARRAY_SIZE(snb_sprite_formats);
plane_funcs = &snb_sprite_funcs;
} else {
plane->update_noarm = g4x_sprite_update_noarm;
plane->update_arm = g4x_sprite_update_arm;
plane->disable_arm = g4x_sprite_disable_arm;
plane->get_hw_state = g4x_sprite_get_hw_state;
plane->check_plane = g4x_sprite_check;
plane->max_stride = g4x_sprite_max_stride;
plane->min_cdclk = g4x_sprite_min_cdclk;
if (IS_SANDYBRIDGE(dev_priv)) {
formats = snb_sprite_formats;
num_formats = ARRAY_SIZE(snb_sprite_formats);
plane_funcs = &snb_sprite_funcs;
} else {
formats = g4x_sprite_formats;
num_formats = ARRAY_SIZE(g4x_sprite_formats);
plane_funcs = &g4x_sprite_funcs;
}
}
if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
supported_rotations =
DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 |
DRM_MODE_REFLECT_X;
} else {
supported_rotations =
DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
}
plane->pipe = pipe;
plane->id = PLANE_SPRITE0 + sprite;
plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane->id);
modifiers = intel_fb_plane_get_modifiers(dev_priv, INTEL_PLANE_CAP_TILING_X);
ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
0, plane_funcs,
formats, num_formats, modifiers,
DRM_PLANE_TYPE_OVERLAY,
"sprite %c", sprite_name(pipe, sprite));
kfree(modifiers);
if (ret)
goto fail;
drm_plane_create_rotation_property(&plane->base,
DRM_MODE_ROTATE_0,
supported_rotations);
drm_plane_create_color_properties(&plane->base,
BIT(DRM_COLOR_YCBCR_BT601) |
BIT(DRM_COLOR_YCBCR_BT709),
BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
BIT(DRM_COLOR_YCBCR_FULL_RANGE),
DRM_COLOR_YCBCR_BT709,
DRM_COLOR_YCBCR_LIMITED_RANGE);
zpos = sprite + 1;
drm_plane_create_zpos_immutable_property(&plane->base, zpos);
intel_plane_helper_add(plane);
return plane;
fail:
intel_plane_free(plane);
return ERR_PTR(ret);
}